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The Quirks And Oddities Of Auto Shipping

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The Quirks And Oddities Of Auto Shipping

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Submitted by: T Kearns

Before transporting your car over a long distance, whether by land or sea, there are some peculiarities of the business that you should be aware of. For instance, times quoted for pick up and delivery of the vehicles is an estimate not an exact day and time. The same circumstances that cause you to be late for an appointment apply to auto shipping as well. Things like weather and traffic conditions, mechanical upsets, and weigh stations, among others can delay shipment.

But for the most part, the delays are caused by the customers not the company. The punctuality of the shipment also depends on the preparedness and punctuality of the customers. A late customer, or one with last minute alterations in the terms already agreed upon can stop the carrier from delivery altogether or cause undue risk.

Make sure that you are exactly on time in a pre-arranged pick-up spot which is easily accessible to the carrier, allowing complete routine inspection in good daylight before loading, and allowing maneuverability for the truck. If you are late you?ll delay your own delivery as well as other clients? and you may not be refunded in case the service will become impossible.

[youtube]http://www.youtube.com/watch?v=0ttX1ZPRlOE[/youtube]

Before your car gets loaded on the carrier, you will want a copy of the inspection report describing its present condition and all damages no how matter how insignificant. When the car is ready for pick up at its destination, you can use this report to validate that it arrived in the same condition as it was in when it was loaded. An insurance claim, if necessary, will go much smoother if you take this step.

It is also important to be on time at the delivery site. Immediately upon delivery, check the vehicle against the inspection report. Don?t be afraid to be exceedingly thorough in your inspection. Any discrepancies should be noted on the report and signed off on by the carrier driver.

For car shipping you have the option of a closed or open trailer method. Open trailers are just that, open and exposed to road dirt, inclement weather, possible theft of removable accessories and damage from flying debris. They are also quite a bit less expensive than closed containers. Selection depends on the type of vehicle you are transporting and the size of your wallet.

Good companies will honestly (good companies gain in any case) advise you for or against the procedure you might at first favor, but will, upon insistence, perform any service you like. If you insist (privately, out of however justified economic considerations) on open shipping, they will comply, and will offer the adequate insurance, but across very large distances a car is more than likely to become discolored or superficially battered.

Door-to-door shipping needs clarification. Door-to-door implies pick up and delivery at your front door ? not so. Auto carrier trucks can be 75 feet long or more and need a lot of space to maneuver into position. The access to your house is very unlikely to allow the space such a truck requires, being restricted by trees,. tight turns, or short driveways. The truck will go to the nearest unrestricted parking space to load your car that you have driven to the predetermined spot. These pick-up and drop-off sites will be as close to your door as possible considering local laws and safety requirements.

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  • 5 Feb, 2022
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US Senate committee investigates credit card practices

Wednesday, December 5, 2007

On Tuesday, the United States Senate Committee on Homeland Security and Governmental Affairs‘s Permanent Subcommittee on Investigations held a hearing titled “Credit Card Practices: Unfair Interest Rate Increases.” The hearing examined the circumstances under which credit card issuers may increase the interest rates of cardholders who are in compliance with the terms of their credit cards. It was a follow-up to a March 2007 hearing.

Subcommittee Chairman Carl Levin said in his opening statement: “Today’s focus is on credit card issuers who hike the interest rates of cardholders who play by the rules — meaning those folks who pay on time, pay at least the minimum amount due, and wake up one day to find their interest rate has gone through the roof — again, not because they paid late or exceeded the credit limit, but because their credit card issuer decided they should be ‘repriced’.”

Present to testify on behalf of credit card issuers were Roger C. Hochschild of Discover Financial Services, Bruce L. Hammonds of Bank of America Corporation, and Ryan Schneider of Capital One Financial Corporation.

Much of the 90 minute hearing focused on specific cases where interest rates were raised, allegedly because credit scores of the debtor dropped, and not because they were delinquent or otherwise behind on payments. According to Levin, this practice made it so that almost all payments went towards finance charges with almost none toward repaying the principal. This, he felt, is an unfair practice, as the credit card companies were negligent in informing their customers of the rate hikes and the reason for such hikes.

Families find themselves ensnared in a seemingly inescapable web of credit card debt.

The collective credit card debt of Americans totals an estimated US$900 billion. Issuers have come under pressure to disclose their policies in regards to setting fees and interest rates. The US Truth in Lending Act requires that terms of a loan be set forth up front. Fluctuating interest rates on credit cards would, on the surface, appear to violate this act.

Roger C. Hochschild disagreed, arguing that “every card transaction is a new extension of credit … This makes it difficult — and risky — to underwrite, and price, the loan based solely on the borrower’s credit-worthiness at the time of application [for the card].”

Ryan Schneider, agreed: “The ability to modify the terms of a credit card agreement to accommodate changes over time to the economy or the credit-worthiness of consumers must be preserved.”

“Attempts to interfere with the market here … will inevitably result in less credit being offered,” warned Bruce Hammonds. “Risk-based pricing has democratized access to credit,” he added.

All three credit card executives also mentioned an ongoing Federal Reserve System review of credit card rules that already proposes a 45-day notification ahead of any rate changes.

Committee members criticized the industry for varying practices. Included in the criticism was the practice of mailing checks to card-holders, failing to notify applicants that obtaining additional cards could lower their credit score and raise their rates, and “ambushing” card-holders with raised rates.

Ranking minority member of the subcommittee, Norm Coleman said, “families find themselves ensnared in a seemingly inescapable web of credit card debt. They particularly report being saddled with interest rates that skyrocketed on them seemingly out of the blue.”

Retrieved from “https://en.wikinews.org/w/index.php?title=US_Senate_committee_investigates_credit_card_practices&oldid=4531935”
  • 3 Feb, 2022
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Ontario Votes 2007: Interview with Green candidate Peter Ormond, Hamilton Centre

Tuesday, September 18, 2007

Peter Ormond is running for the Green Party of Ontario in the Ontario provincial election, in the Hamilton Centre riding. Wikinews’ Nick Moreau interviewed him regarding his values, his experience, and his campaign.

Ormond did not answer three questions: “Which of your competitors do you expect to pose the biggest challenge to your candidacy? Why? What makes you the most desirable of all candidates running in the riding?”, “Are the property taxes in your riding at a fair level for the amount of services received in the municipality?”, and “Of the decisions made by Ontario’s 38th Legislative Assembly, which was the most beneficial to your this electoral district? To the province as a whole? Which was least beneficial, or even harmful, to your this riding? To the province as a whole?”

Stay tuned for further interviews; every candidate from every party is eligible, and will be contacted. Expect interviews from Liberals, Progressive Conservatives, New Democratic Party members, Ontario Greens, as well as members from the Family Coalition, Freedom, Communist, Libertarian, and Confederation of Regions parties, as well as independents.

Retrieved from “https://en.wikinews.org/w/index.php?title=Ontario_Votes_2007:_Interview_with_Green_candidate_Peter_Ormond,_Hamilton_Centre&oldid=1976688”
  • 2 Feb, 2022
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MLB: Yankees’ Phil Hughes earns first win

May 2, 2007

20-year-old pitching phenom Phil Hughes cruised through hitters in just his second start for the New York Yankees, but the end result created even more frustration for the organization and fans everywhere.

Hughes retired 19 Texas Rangers without allowing a hit on Tuesday at the Rangers Ballpark in Arlington. Established big league stars such as Kenny Lofton, Mark Teixeira and Michael Young could not solve the youngster’s blazing fastball or sharply biting curve. Hughes was on the verge of history. Even as his pitch count rose, the Yankees allowed him to keep firing. “He was fine,” manager Joe Torre said of the 2004 first round draft pick. “We were going to allow him to go 100 pitches last time, so I didn’t think that would be a problem.”

Just when the Yankees thought they found an answer to their early struggles, the organization was treated to an agonizing sight. After Teixeira fouled off an 0-2 pitch with one out in the sixth inning, Hughes grabbed his leg, having suffered a hamstring injury. His no-hit bid ended there (Texas would break up the no-hitter in the eighth inning off reliever Mike Myers), though he did earn his first big league win in a 10-1 Yankee romp over Texas. He walked off the mound under his own power, but will reportedly miss 4-6 weeks.

Hughes voiced his frustration afterwards: “It’s tough. It puts a damper on the whole thing.” He added, “I’m at a point now where our rotation really needs it,” referring to his presence on the New York pitching staff. Several Yankees have already voiced their excitement for the righthander’s chances in the big leagues. For his part, Yankees star Jason Giambi compared him to Roger Clemens during Spring Training: “He looks like a young Rocket.”

The Yankees are currently just 10-14, thanks in large part to injuries that have befallen pitchers Chien-Ming Wang, Mike Mussina, Carl Pavano and Jeff Karstens. In a related story from today, the Yankees fired strength and conditioning coach Marty Miller. Reportedly, this was out of general manager Brian Cashman’s concern for the alarming number of hamstring injuries so far this season.

Retrieved from “https://en.wikinews.org/w/index.php?title=MLB:_Yankees%27_Phil_Hughes_earns_first_win&oldid=544561”
  • 31 Jan, 2022
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1 Z0 062 Pdf Training Guides}

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Submitted by: Henry Kay

Question: 1

Examine the parameters for your database instance:

NAMETYPE VALUE

————————– ——————————- —————————

undo_management string AUTO

undo_retentioninteger 12 00

undo_tablespace string UNDOTBS1

You execute the following command:

SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;

Which statement is true in this scenario?

A. Undo data is written to flashback logs after 1200 seconds.

B. Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the undo tablespace.

C. You can perform a Flashback Database operation only within the duration of 1200 seconds.

D. An attempt is made to keep inactive undo for 1200 seconds but transactions may overwrite the undo before that time has elapsed.

Answer: A

Question: 2

A user establishes a connection to a database instance by using an Oracle Net connection. You want to ensure the following:

1. The user account must be locked after five unsuccessful login attempts.

2. Data read per session must be limited for the user.

3. The user cannot have more than three simultaneous sessions.

4. The user must have a maximum of 10 minutes session idle time before being logged off automatically.

How would you accomplish this?

A. by granting a secure application role to the use

B. by implementing Database Resource Manage

C. by using Oracle Label Security options

D. by assigning a profile to the use

Answer: D

Question: 3

As a user of the ORCL database, you establish a database link to the remote HQ database such that all users in the ORCL database may access tables only from the SCOTT schema in the HQ database. SCOTTs password is TIGER. The service mane HQ is used to connect to the remote HQ database.

Which command would you execute to create the database link?

A. CREATE DATABASE LINK HQ USING ‘HQ’;

B. CREATE DATABASE LINK HQ CONNECT TO CURRENT_USER USING HQ;

C. CREATE PUBLIC DATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING ‘HQ’;

D. CREATE DATABASE LINK HQ CONNECT TO scott IDENTIFIED BY tiger USING ‘HQ’;

Answer: B

Question: 4

What happens if a maintenance window closes before a job that collects optimizer statistics completes?

A. The job is terminated and the gathered statistics are not saved.

B. The job is terminated but the gathered statistics are not published.

C. The job continues to run until all statistics are gathered.

D. The job is terminated and statistics for the remaining objects are collected the next time the maintenance window opens.

[youtube]http://www.youtube.com/watch?v=BwWZPqBsyMY[/youtube]

Answer: D

Question: 5

You plan to create a database by using the Database Configuration Assistant (DBCA), with the following specifications:

Applications will connect to the database via a middle tier.

The number of concurrent user connections will be high.

The database will have mixed workload, with the execution of complex BI queries scheduled at night.

Which DBCA option must you choose to create the database?

A. a General Purpose database template with default memory allocation

B. a Data Warehouse database template, with the dedicated server mode option and AMM enabled

C. a General Purpose database template, with the shared server mode option and Automatic Memory Management (AMM) enabled

D. a default database configuration

Answer: C

Question: 6

Which two statements are true about the logical storage structure of an Oracle database?

A. An extent contains data blocks that are always physically contiguous on disk.

B. An extent can span multiple segments.

C. Each data block always corresponds to one operating system block.

D. It is possible to have tablespaces of different block sizes.

E. A data block is the smallest unit of I/O in data files.

Answer: B,D

Question: 7

Which two statements correctly describe the relationship between data files and logical database structures?

A. A segment cannot span data files.

B. A data file can belong to only one tablespace.

C. An extent cannot span data files.

D. The size of an Oracle data block in a data file should be the same as the size of an OS block.

Answer: B,C

Question: 8

Which statement is true about the Log Writer process?

A. It writes when it receives a signal from the checkpoint process (CKPT).

B. It writes concurrently to all members of multiplexed redo log groups.

C. It writes after the Database Writer process writes dirty buffers to disk.

D. It writes when a user commits a transaction.

Answer: D

Question: 9

The ORCL database is configured to support shared server mode. You want to ensure that a user connecting remotely to the database instance has a one-to-one ratio between client and server processes.

Which connection method guarantees that this requirement is met?

A. connecting by using an external naming method

B. connecting by using the easy connect method

C. creating a service in the database by using the dbms_service.create_service procedure and using this service for creating a local naming service

D. connecting by using the local naming method with the server = dedicated parameter set in the tnsnames.ora file for the net service

E. connecting by using a directory naming method

Answer: C,E

Question: 10

Which two tasks can be performed on an external table?

A. partitioning the table

B. creating an invisible index

C. updating the table by using an update statement

D. creating a public synonym

E. creating a view

Answer: D,E

Explanation:

http://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm#ADMIN01507

Question: 11

Which three statements are true about a job chain?

A. It can contain a nested chain of jobs.

B. It can be used to implement dependency-based scheduling.

C. It cannot invoke the same program or nested chain in multiple steps in the chain.

D. It cannot have more than one dependency.

E. It can be executed using event-based or time-based schedules.

Answer: A,B,E

Question: 12

The HR user receives the following error while inserting data into the sales table:

On investigation, you find that the users tablespace uses Automatic Segment Space Management (ASSM). It is the default tablespace for the HR user with an unlimited quota on it.

Which two methods would you use to resolve this error?

A. Altering the data file associated with the USERS tablespace to ex automatically

B. Adding a data file to the USERS tablespace

C. Changing segment space management for the USERS tablespace to manual

D. Creating a new tablespace with autoextend enabled and changing the default tablespace of the HR user to the new tablespace

E. Enabling resumable space allocation by setting the RESUMABLE_TIMEOUT parameter to a nonzero value

Answer: A,D

Question: 13

Which three factors influence the optimizer’s choice of an execution plan?

A. the optimizer_mode initialization paramete

B. operating system (OS) statistics

C. cardinality estimates

D. object statistics in the data dictionary

E. fixed baselines

Answer: A,B,D

Question: 14

Examine the resources consumed by a database instance whose current Resource Manager plan is displayed.

SQL> SELECT name, active_sessions, queue_length,

Consumed_cpu_time, cpu_waits, cpu_wait_time

FROM v$rsrc_consumer_group;

NAMEACTIVE_SESSIONS QUEUE_LENGTH CONSUMED_CPU_WAITS

CPU_WAIT_TIME

———————————– ——————– ——————– ——————— —————-

OLTP__ORDER__ENTRY1029690 467

6709

OTHES__GROUPS 0 059823664089

60425

SYS_GROUP 1 02420704 914

19540

DS.S_QUERIES4245946603004

55700

Which two statements are true?

A. An attempt to start a new session by a user belonging to DSS_QUERIES fails with an error.

B. An attempt to start a new session by a user belonging to OTHE_GROUPS fails with an error.

C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management.

D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to I/O waits and latch or enqueue contention.

E. A user belonging to the DSS__QUERIES resource consumer group can create a new session but the session will be queued.

Answer: C,E

Question: 15

Which action takes place when a file checkpoint occurs?

A. The checkpoint position is advanced in the checkpoint queue.

B. All buffers for a checkpointed file that were modified before a specific SCN are written to disk by DBWn and the SCN is stored in the control file.

C. The Database Writer process (DBWn) writes all dirty buffers in the buffer cache to data files.

D. The Log Writer process (LGWR) writes all redo entries in the log buffer to online redo log files.

Answer: C

Question: 16

Examine the structure of the sales table, which is stored in a locally managed tablespace with Automatic Segment Space Management (ASSM) enabled.

You want to perform online segment shrink to reclaim fragmented free space below the high water mark.

What should you ensure before the start of the operation?

A. Row movement is enabled.

B. Referential integrity constraints for the table are disabled.

C. No queries are running on this table.

D. Extra disk space equivalent to the size of the segment is available in the tablespace.

E. No pending transaction exists on the table.

Answer: D

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  • 30 Jan, 2022
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British computer scientist’s new “nullity” idea provokes reaction from mathematicians

Monday, December 11, 2006

On December 7, BBC News reported a story about Dr James Anderson, a teacher in the Computer Science department at the University of Reading in the United Kingdom. In the report it was stated that Anderson had “solved a very important problem” that was 1200 years old, the problem of division by zero. According to the BBC, Anderson had created a new number, that he had named “nullity”, that lay outside of the real number line. Anderson terms this number a “transreal number”, and denotes it with the Greek letter ? {\displaystyle \Phi } . He had taught this number to pupils at Highdown School, in Emmer Green, Reading.

The BBC report provoked many reactions from mathematicians and others.

In reaction to the story, Mark C. Chu-Carroll, a computer scientist and researcher, posted a web log entry describing Anderson as an “idiot math teacher”, and describing the BBC’s story as “absolutely infuriating” and a story that “does an excellent job of demonstrating what total innumerate idiots reporters are”. Chu-Carroll stated that there was, in fact, no actual problem to be solved in the first place. “There is no number that meaningfully expresses the concept of what it means to divide by zero.”, he wrote, stating that all that Anderson had done was “assign a name to the concept of ‘not a number'”, something which was “not new” in that the IEEE floating-point standard, which describes how computers represent floating-point numbers, had included a concept of “not a number”, termed “NaN“, since 1985. Chu-Carroll further continued:

“Basically, he’s defined a non-solution to a non-problem. And by teaching it to his students, he’s doing them a great disservice. They’re going to leave his class believing that he’s a great genius who’s solved a supposed fundamental problem of math, and believing in this silly nullity thing as a valid mathematical concept.
“It’s not like there isn’t already enough stuff in basic math for kids to learn; there’s no excuse for taking advantage of a passive audience to shove this nonsense down their throats as an exercise in self-aggrandizement.
“To make matters worse, this idiot is a computer science professor! No one who’s studied CS should be able to get away with believing that re-inventing the concept of NaN is something noteworthy or profound; and no one who’s studied CS should think that defining meaningless values can somehow magically make invalid computations produce meaningful results. I’m ashamed for my field.”

There have been a wide range of other reactions from other people to the BBC news story. Comments range from the humorous and the ironic, such as the B1FF-style observation that “DIVIDION[sic] BY ZERO IS IMPOSSIBLE BECAUSE MY CALCULATOR SAYS SO AND IT IS THE TRUTH” and the Chuck Norris Fact that “Only Chuck Norris can divide by zero.” (to which another reader replied “Chuck Norris just looks at zero, and it divides itself.”); through vigourous defences of Dr Anderson, with several people quoting the lyrics to Ira Gershwin‘s song “They All Laughed (At Christopher Columbus)”; to detailed mathematical discussions of Anderson’s proposed axioms of transfinite numbers.

Several readers have commented that they consider this to have damaged the reputation of the Computer Science department, and even the reputation of the University of Reading as a whole. “By publishing his childish nonsense the BBC actively harms the reputation of Reading University.” wrote one reader. “Looking forward to seeing Reading University maths application plummit.” wrote another. “Ignore all research papers from the University of Reading.” wrote a third. “I’m not sure why you refer to Reading as a ‘university’. This is a place the BBC reports as closing down its physics department because it’s too hard. Lecturers at Reading should stick to folk dancing and knitting, leaving academic subjects to grown ups.” wrote a fourth. Steve Kramarsky lamented that Dr Anderson is not from the “University of ‘Rithmetic“.

Several readers criticised the journalists at the BBC who ran the story for not apparently contacting any mathematicians about Dr Anderson’s idea. “Journalists are meant to check facts, not just accept whatever they are told by a self-interested third party and publish it without question.” wrote one reader on the BBC’s web site. However, on Slashdot another reader countered “The report is from Berkshire local news. Berkshire! Do you really expect a local news team to have a maths specialist? Finding a newsworthy story in Berkshire probably isn’t that easy, so local journalists have to cover any piece of fluff that comes up. Your attitude to the journalist should be sympathy, not scorn.”

Ben Goldacre, author of the Bad Science column in The Guardian, wrote on his web log that “what is odd is a reporter, editor, producer, newsroom, team, cameraman, soundman, TV channel, web editor, web copy writer, and so on, all thinking it’s a good idea to cover a brilliant new scientific breakthrough whilst clearly knowing nothing about the context. Maths isn’t that hard, you could even make a call to a mathematician about it.”, continuing that “it’s all very well for the BBC to think they’re being balanced and clever getting Dr Anderson back in to answer queries about his theory on Tuesday, but that rather skips the issue, and shines the spotlight quite unfairly on him (he looks like a very alright bloke to me).”.

From reading comments on his own web log as well as elsewhere, Goldacre concluded that he thought that “a lot of people might feel it’s reporter Ben Moore, and the rest of his doubtless extensive team, the people who drove the story, who we’d want to see answering the questions from the mathematicians.”.

Andrej Bauer, a professional mathematician from Slovenia writing on the Bad Science web log, stated that “whoever reported on this failed to call a university professor to check whether it was really new. Any university professor would have told this reporter that there are many ways of dealing with division by zero, and that Mr. Anderson’s was just one of known ones.”

Ollie Williams, one of the BBC Radio Berkshire reporters who wrote the BBC story, initially stated that “It seems odd to me that his theory would get as far as television if it’s so easily blown out of the water by visitors to our site, so there must be something more to it.” and directly responded to criticisms of BBC journalism on several points on his web log.

He pointed out that people should remember that his target audience was local people in Berkshire with no mathematical knowledge, and that he was “not writing for a global audience of mathematicians”. “Some people have had a go at Dr Anderson for using simplified terminology too,” he continued, “but he knows we’re playing to a mainstream audience, and at the time we filmed him, he was showing his theory to a class of schoolchildren. Those circumstances were never going to breed an in-depth half-hour scientific discussion, and none of our regular readers would want that.”.

On the matter of fact checking, he replied that “if you only want us to report scientific news once it’s appeared, peer-reviewed, in a recognised journal, it’s going to be very dry, and it probably won’t be news.”, adding that “It’s not for the BBC to become a journal of mathematics — that’s the job of journals of mathematics. It’s for the BBC to provide lively science reporting that engages and involves people. And if you look at the original page, you’ll find a list as long as your arm of engaged and involved people.”.

Williams pointed out that “We did not present Dr Anderson’s theory as gospel, although with hindsight it could have been made clearer that this is very much a theory and by no means universally accepted. But we certainly weren’t shouting a mathematical revolution from the rooftops. Dr Anderson has, in one or two places, been chastised for coming to the media with his theory instead of his peers — a sure sign of a quack, boffin and/or crank according to one blogger. Actually, one of our reporters happened to meet him during a demonstration against the closure of the university’s physics department a couple of weeks ago, got chatting, and discovered Dr Anderson reckoned he was onto something. He certainly didn’t break the door down looking for media coverage.”.

Some commentators, at the BBC web page and at Slashdot, have attempted serious mathematical descriptions of what Anderson has done, and subjected it to analysis. One description was that Anderson has taken the field of real numbers and given it complete closure so that all six of the common arithmetic operators were surjective functions, resulting in “an object which is barely a commutative ring (with operators with tons of funky corner cases)” and no actual gain “in terms of new theorems or strong relation statements from the extra axioms he has to tack on”.

Jamie Sawyer, a mathematics undergraduate at the University of Warwick writing in the Warwick Maths Society discussion forum, describes what Anderson has done as deciding that R ? { ? ? , + ? } {\displaystyle \mathbb {R} \cup \lbrace -\infty ,+\infty \rbrace } , the so-called extended real number line, is “not good enough […] because of the wonderful issue of what 0 0 {\displaystyle {\frac {0}{0}}} is equal to” and therefore creating a number system R ? { ? ? , ? , + ? } {\displaystyle \mathbb {R} \cup \lbrace -\infty ,\Phi ,+\infty \rbrace } .

Andrej Bauer stated that Anderson’s axioms of transreal arithmetic “are far from being original. First, you can adjoin + ? {\displaystyle +\infty } and ? ? {\displaystyle -\infty } to obtain something called the extended real line. Then you can adjoin a bottom element to represent an undefined value. This is all standard and quite old. In fact, it is well known in domain theory, which deals with how to represent things we compute with, that adjoining just bottom to the reals is not a good idea. It is better to adjoin many so-called partial elements, which denote approximations to reals. Bottom is then just the trivial approximation which means something like ‘any real’ or ‘undefined real’.”

Commentators have pointed out that in the field of mathematical analysis, 0 0 {\displaystyle {\frac {0}{0}}} (which Anderson has defined axiomatically to be ? {\displaystyle \Phi } ) is the limit of several functions, each of which tends to a different value at its limit:

  • lim x ? 0 x 0 {\displaystyle \lim _{x\to 0}{\frac {x}{0}}} has two different limits, depending from whether x {\displaystyle x} approaches zero from a positive or from a negative direction.
  • lim x ? 0 0 x {\displaystyle \lim _{x\to 0}{\frac {0}{x}}} also has two different limits. (This is the argument that commentators gave. In fact, 0 x {\displaystyle {\frac {0}{x}}} has the value 0 {\displaystyle 0} for all x ? 0 {\displaystyle x\neq 0} , and thus only one limit. It is simply discontinuous for x = 0 {\displaystyle x=0} . However, that limit is different to the two limits for lim x ? 0 x 0 {\displaystyle \lim _{x\to 0}{\frac {x}{0}}} , supporting the commentators’ main point that the values of the various limits are all different.)
  • Whilst sin ? 0 = 0 {\displaystyle \sin 0=0} , the limit lim x ? 0 sin ? x x {\displaystyle \lim _{x\to 0}{\frac {\sin x}{x}}} can be shown to be 1, by expanding the sine function as an infinite Taylor series, dividing the series by x {\displaystyle x} , and then taking the limit of the result, which is 1.
  • Whilst 1 ? cos ? 0 = 0 {\displaystyle 1-\cos 0=0} , the limit lim x ? 0 1 ? cos ? x x {\displaystyle \lim _{x\to 0}{\frac {1-\cos x}{x}}} can be shown to be 0, by expanding the cosine function as an infinite Taylor series, dividing the series subtracted from 1 by x {\displaystyle x} , and then taking the limit of the result, which is 0.

Commentators have also noted l’Hôpital’s rule.

It has been pointed out that Anderson’s set of transreal numbers is not, unlike the set of real numbers, a mathematical field. Simon Tatham, author of PuTTY, stated that Anderson’s system “doesn’t even think about the field axioms: addition is no longer invertible, multiplication isn’t invertible on nullity or infinity (or zero, but that’s expected!). So if you’re working in the transreals or transrationals, you can’t do simple algebraic transformations such as cancelling x {\displaystyle x} and ? x {\displaystyle -x} when both occur in the same expression, because that transformation becomes invalid if x {\displaystyle x} is nullity or infinity. So even the simplest exercises of ordinary algebra spew off a constant stream of ‘unless x is nullity’ special cases which you have to deal with separately — in much the same way that the occasional division spews off an ‘unless x is zero’ special case, only much more often.”

Tatham stated that “It’s telling that this monstrosity has been dreamed up by a computer scientist: persistent error indicators and universal absorbing states can often be good computer science, but he’s stepped way outside his field of competence if he thinks that that also makes them good maths.”, continuing that Anderson has “also totally missed the point when he tries to compute things like 0 0 {\displaystyle 0^{0}} using his arithmetic. The reason why things like that are generally considered to be ill-defined is not because of a lack of facile ‘proofs’ showing them to have one value or another; it’s because of a surfeit of such ‘proofs’ all of which disagree! Adding another one does not (as he appears to believe) solve any problem at all.” (In other words: 0 0 {\displaystyle 0^{0}} is what is known in mathematical analysis as an indeterminate form.)

To many observers, it appears that Anderson has done nothing more than re-invent the idea of “NaN“, a special value that computers have been using in floating-point calculations to represent undefined results for over two decades. In the various international standards for computing, including the IEEE floating-point standard and IBM’s standard for decimal arithmetic, a division of any non-zero number by zero results in one of two special infinity values, “+Inf” or “-Inf”, the sign of the infinity determined by the signs of the two operands (Negative zero exists in floating-point representations.); and a division of zero by zero results in NaN.

Anderson himself denies that he has re-invented NaN, and in fact claims that there are problems with NaN that are not shared by nullity. According to Anderson, “mathematical arithmetic is sociologically invalid” and IEEE floating-point arithmetic, with NaN, is also faulty. In one of his papers on a “perspex machine” dealing with “The Axioms of Transreal Arithmetic” (Jamie Sawyer writes that he has “worries about something which appears to be named after a plastic” — “Perspex” being a trade name for polymethyl methacrylate in the U.K..) Anderson writes:

We cannot accept an arithmetic in which a number is not equal to itself (NaN != NaN), or in which there are three kinds of numbers: plain numbers, silent numbers, and signalling numbers; because, on writing such a number down, in daily discourse, we can not always distinguish which kind of number it is and, even if we adopt some notational convention to make the distinction clear, we cannot know how the signalling numbers are to be used in the absence of having the whole program and computer that computed them available. So whilst IEEE floating-point arithmetic is an improvement on real arithmetic, in so far as it is total, not partial, both arithmetics are invalid models of arithmetic.

In fact, the standard convention for distinguishing the two types of NaNs when writing them down can be seen in ISO/IEC 10967, another international standard for how computers deal with numbers, which uses “qNaN” for non-signalling (“quiet”) NaNs and “sNaN” for signalling NaNs. Anderson continues:

[NaN’s] semantics are not defined, except by a long list of special cases in the IEEE standard.

“In other words,” writes Scott Lamb, a BSc. in Computer Science from the University of Idaho, “they are defined, but he doesn’t like the definition.”.

The main difference between nullity and NaN, according to both Anderson and commentators, is that nullity compares equal to nullity, whereas NaN does not compare equal to NaN. Commentators have pointed out that in very short order this difference leads to contradictory results. They stated that it requires only a few lines of proof, for example, to demonstrate that in Anderson’s system of “transreal arithmetic” both 1 = 2 {\displaystyle 1=2} and 1 ? 2 {\displaystyle 1\neq 2} , after which, in one commentator’s words, one can “prove anything that you like”. In aiming to provide a complete system of arithmetic, by adding extra axioms defining the results of the division of zero by zero and of the consequent operations on that result, half as many again as the number of axioms of real-number arithmetic, Anderson has produced a self-contradictory system of arithmetic, in accordance with Gödel’s incompleteness theorems.

One reader-submitted comment appended to the BBC news article read “Step 1. Create solution 2. Create problem 3. PROFIT!”, an allusion to the business plan employed by the underpants gnomes of the comedy television series South Park. In fact, Anderson does plan to profit from nullity, having registered on the 27th of July, 2006 a private limited company named Transreal Computing Ltd, whose mission statement is “to develop hardware and software to bring you fast and safe computation that does not fail on division by zero” and to “promote education and training in transreal computing”. The company is currently “in the research and development phase prior to trading in hardware and software”.

In a presentation given to potential investors in his company at the ANGLE plc showcase on the 28th of November, 2006, held at the University of Reading, Anderson stated his aims for the company as being:

  • To build a transreal computer.
  • To derive Maxwell’s equations and classical gravitation in transreal numbers so that they have no naked singularities (infinities affecting a neighbourhood of space).
  • To collaborate with anyone who wants to unify Quantum Electro-Dynamics with gravitation.

To investors, Anderson makes the following promises:

  • “I will help you develop a curriculum for transreal arithmetic if you want me to.”
  • “I will help you unify QED and gravitation if you want me to.”
  • “I will build a transreal supercomputer.”

He asks potential investors:

  • “How much would you pay to know that the engine in your ship, car, aeroplane, or heart pacemaker won’t just stop dead?”
  • “How much would you pay to know that your Government’s computer controlled military hardware won’t just stop or misfire?”

The current models of computer arithmetic are, in fact, already designed to allow programmers to write programs that will continue in the event of a division by zero. The IEEE’s Frequently Asked Questions document for the floating-point standard gives this reply to the question “Why doesn’t division by zero (or overflow, or underflow) stop the program or trigger an error?”:

“The [IEEE] 754 model encourages robust programs. It is intended not only for numerical analysts but also for spreadsheet users, database systems, or even coffee pots. The propagation rules for NaNs and infinities allow inconsequential exceptions to vanish. Similarly, gradual underflow maintains error properties over a precision’s range.
“When exceptional situations need attention, they can be examined immediately via traps or at a convenient time via status flags. Traps can be used to stop a program, but unrecoverable situations are extremely rare. Simply stopping a program is not an option for embedded systems or network agents. More often, traps log diagnostic information or substitute valid results.”

Simon Tatham stated that there is a basic problem with Anderson’s ideas, and thus with the idea of building a transreal supercomputer: “It’s a category error. The Anderson transrationals and transreals are theoretical algebraic structures, capable of representing arbitrarily big and arbitrarily precise numbers. So the question of their error-propagation semantics is totally meaningless: you don’t use them for down-and-dirty error-prone real computation, you use them for proving theorems. If you want to use this sort of thing in a computer, you have to think up some concrete representation of Anderson transfoos in bits and bytes, which will (if only by the limits of available memory) be unable to encompass the entire range of the structure. And the point at which you make this transition from theoretical abstract algebra to concrete bits and bytes is precisely where you should also be putting in error handling, because it’s where errors start to become possible. We define our theoretical algebraic structures to obey lots of axioms (like the field axioms, and total ordering) which make it possible to reason about them efficiently in the proving of theorems. We define our practical number representations in a computer to make it easy to detect errors. The Anderson transfoos are a consequence of fundamentally confusing the one with the other, and that by itself ought to be sufficient reason to hurl them aside with great force.”

Geomerics, a start-up company specializing in simulation software for physics and lighting and funded by ANGLE plc, had been asked to look into Anderson’s work by an unnamed client. Rich Wareham, a Senior Research and Development Engineer at Geomerics and a MEng. from the University of Cambridge, stated that Anderson’s system “might be a more interesting set of axioms for dealing with arithmetic exceptions but it isn’t the first attempt at just defining away the problem. Indeed it doesn’t fundamentally change anything. The reason computer programs crash when they divide by zero is not that the hardware can produce no result, merely that the programmer has not dealt with NaNs as they propagate through. Not dealing with nullities will similarly lead to program crashes.”

“Do the Anderson transrational semantics give any advantage over the IEEE ones?”, Wareham asked, answering “Well one assumes they have been thought out to be useful in themselves rather than to just propagate errors but I’m not sure that seeing a nullity pop out of your code would lead you to do anything other than what would happen if a NaN or Inf popped out, namely signal an error.”.

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  • 29 Jan, 2022
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US adds 173,000 jobs in August; unemployment rate drops to seven year low

Monday, September 7, 2015

The US economy added 173,000 jobs in August, the Bureau of Labor Statistics reported on Friday. The unemployment rate fell from 5.3 to 5.1 percent, the lowest since April 2008.

Although August job gains were lower than most economists forecast, job growth numbers for June and July were revised upwards by a combined 44,000. Average job gains over the past three months stand at 221,000, compared to March-May’s 189,000 monthly average. Over the past twelve months, job growth has averaged 247,000 per month.

Average hourly earnings rose 0.3 percent, or 8 cents, marking the largest increase in earnings in seven months. Hourly earnings had risen by 6 cents in July. Wages have risen by 2.2 percent over the past year.

Job growth in August was primarily concentrated in the health care and social assistance, financial activities, and professional and business services sectors. Those three areas of the economy added a combined 108,000 jobs. Food service and drinking places employment increased by 26,000 over the month, and other economic sectors saw employment hold steady. Manufacturing, on the other hand, saw employment decline by 17,000 in August. A stronger dollar and worldwide economic weakness make US exports less desirable, leading to a flattening in manufacturing employment so far this year after steadily rising in the early years of the US economic recovery.

The solid overall job gains led analysts to slightly raise expectations for a decision by the Federal Reserve to raise interest rates this month. Investors raised the likelihood of a September rate increase from 26 percent before the jobs report to 30 percent, and stocks dropped by over one percent on Friday. “The payrolls data is certainly good enough to allow for a Fed rate hike in September,” said Deutsche Bank’s head of currency strategy, Alan Ruskin. “The big question is still whether financial market volatility will scupper the plans.”

“This is the first time the market has looked at a Fed meeting and really has no idea what the Fed is going to do,” said Mark Kepner, a New Jersey equity trader with Themis Trading. “Right now you’re looking at the overall uncertainty and that’s what’s hanging on the market. I don’t think this number in and of itself changes how somebody’s going to vote.”

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  • 27 Jan, 2022
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Wikinews interviews Joe Schriner, Independent U.S. presidential candidate

Saturday, April 17, 2010

Journalist, counselor, painter, and US 2012 Presidential candidate Joe Schriner of Cleveland, Ohio took some time to discuss his campaign with Wikinews in an interview.

Schriner previously ran for president in 2000, 2004, and 2008, but failed to gain much traction in the races. He announced his candidacy for the 2012 race immediately following the 2008 election. Schriner refers to himself as the “Average Joe” candidate, and advocates a pro-life and pro-environmentalist platform. He has been the subject of numerous newspaper articles, and has published public policy papers exploring solutions to American issues.

Wikinews reporter William Saturn? talks with Schriner and discusses his campaign.

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  • 27 Jan, 2022
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Remedial Massage Treatment

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You usually get tired at the office and your body actually starts to ache. This is when you really miss a remedial massage. These massages prove to be therapeutic for the body.The remedial massage therapist gives a healing remedy on the body which could either be deep or shallow and strong or gentle.

It’s commonly used once the muscle becomes immobile or tensed and knotted and impaired somehow and harmed.The remedial massage therapists treat the whole body holistically. It treats explanation for discomfort as much as feasible and incredibly normally to its real cause. Thus with this massage it treats not simply the disorder and also the symptoms.

In remedial massage, a lubricating medium is utilized that is used straight away to the skin when the massage is conducted. The lubricating medium mostly uses oil. It thus ensures that the penetration of the muscles that is resulting in the mobilisation and disorder of the joints occurs thoroughly. In this case the passive stretching moves will often be used.There are many great things about remedial massage. Many of the key benefits include:

* It stimulates the blood flow in your body which assists to take out toxins from the body muscles.

* It eases the pain and discomfort in your body by calming the nervous system.

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* Helps to improve joint mobility by toning and relaxing the muscles

* It assists to to improve the healthiness of cells, ease any stiffness and tension inside the mind or body. The therapeutic relaxation likewise helps to mend the tissues.

This massage also heals different skeletal and muscular dysfunctions like dancing and sports injuries, muscular atrophy, whiplash, muscular cramps, frozen shoulder, arthritis, spondylitis and fibrotis. There are many corporate houses that are while using massage therapy for their employees.Today, it really is widely thought that massage at workplace plays an important role in stress management of the employees. The pros declare that a A quarter-hour work massage on a weekly basis not helps to reduce job stress and also increases work productivity and alertness.

The conditions which respond positively to the massage on the list of workforce are:

* Physical tension and stress which is caused because of emotional and psychological stress

* Pain and joint restriction that is caused due to muscle tightness

* Ligament, tendon and muscle problems which cause mid back pain

* Dysfunctions caused by incorrect postures

There are many benefits of place of work massage therapy which is provided to the employees on the floor. These are:

* It can help to enhance the health of the workforce both mentally and physically

* Earns a positive attitude to the place of work and improves the workforce morale

* It cuts down on the frequency of employees abstaining from work and also the work cover claims which is caused as a consequence of both mental and physical stress.

These sessions generally take 1 hour a minimum of with regards to the treatment area.

Remedial massage

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courses include different specialised techniques which help in locating and repairing the damage. It also helps to support your bodys own repair mechanism.

Article Source:

ArticleRich.com

  • 27 Jan, 2022
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Apple releases iPhone SDK, announces upcoming update

Thursday, March 6, 2008

During a media event held at its Cupertino headquarters, Apple released the long awaited iPhones Software Development Kit (SDK) and the associated iTunes “App Store” and iPhone Developer Program. The SDK will allow third party software developers to create applications for the iPhone and then distribute them on the iTunes Apps Stores. Any members of the iPhone Developer Program can add applications to the store for free; the program costs $99 (USD) to join. Developers will be able to set the price of the applications or release them for free. All applications will have to be approved by Apple before being allowed on the store. Some of the disallowed categories are”porn”, excessive bandwidth users and anything malicious or illegal. VoIP applications would be allowed over Wi-Fi only. Enterprises can setup private pages on the store to distribute internal applications.

At the event several third party developers that had been given early access to the SDK demonstrated their applications. Among the applications demonstrated were EA‘s Spore, AOL‘s AIM instant messenger and a client for epocrates, a drug reference service.

The company also announced the iPhone 2.0 update that was released as a closed beta for developers and is scheduled for public release in June. In the new version Apple has been focusing on enterprise features in an attempt to compete with rivals like RIM‘s BlackBerry and Microsoft’s Windows Mobile. The update adds support for ActiveSync, which Apple has licensed from rival Microsoft, WPA2 and virtual private network support. The update will also be available to iPod Touch users for what Steve Jobs described as “a nominal charge”, as Apple have done in the past with the previous iPod Touch and MacBook Wi-Fi updates.

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  • 27 Jan, 2022
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