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Get current AUTO_INCREMENT value for any table
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It's not the best idea to add one to it and expect, it will be the ID of next row. In the mean time another transaction could insert a new row and you would use the wrong ID right?
– agim
Apr 4 '13 a...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...px 15px rgba(0, 0, 0, .1); display: flex; flex-direction: column; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/imag...
How do you debug PHP scripts? [closed]
...ill( $data ) { die( var_dump ( $data ) ); } It saves typing 10 characters, best function i have ever written tbh:)
– AlexMorley-Finch
Apr 5 '12 at 0:05
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Is there any way to prevent input type=“number” getting negative values?
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Really best solution once you use pattern and noformvalidate with angular , since the model is not updated if not within the range. My case : <input ng-model="row.myValue" type="{{row.code == 1 ? 'text' : 'number'}}" min="0" ng-p...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...sers seem to follow that principle with regard to JSON: joelonsoftware.com/items/2008/03/17.html
– Justin Ethier
Nov 7 '12 at 15:12
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Why use a READ UNCOMMITTED isolation level?
... could handle that by starting a transaction fetching the data like select item from things with (UPDLOCK) . Put a quick timeout in there so that if it can't acquire the lock fast it tells the user it's being edited. That will keep you safe not just from users but developers. Only trouble here is y...
What is the difference between MOV and LEA?
...ective Address
MOV means Load Value
In short, LEA loads a pointer to the item you're addressing whereas MOV loads the actual value at that address.
The purpose of LEA is to allow one to perform a non-trivial address calculation and store the result [for later usage]
LEA ax, [BP+SI+5] ; Compute a...
SQL Server: Is it possible to insert into two tables at the same time?
...tables which add significance over head in high load database systems. The best solution is the one given by "Sergei Zinovyev" which is an addition to the high ranking answer above. Note, the high ranking answer is incorrect without the clause "SET XACT_ABORT ON;".
– Ahmed
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What's the best online payment processing solution? [closed]
Should be available to non-U.S. companies, easy to setup, reliable, cheap, customizable, etc. What are your experiences?
13...
Is there any reason to use a synchronous XMLHttpRequest?
...ly the application has to be re-written to manage locks (eg. disable other items during validation processes). Code complexity increases tremendously. Failing to do so may lead to logic failure and ultimately data corruption.
Basically the question is: what is more important, non-blocked UI experie...