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MySQL: Transactions vs Locking Tables
...heir transactions (take out the $20 you're paying, and the $30 they're screwing you over with), and now both code paths have two different balances: $80 and $70. Depending on which ones finishes last, you'll end up with either of those two balances in your account, instead of the $50 you should have...
Should Jquery code go in header or footer?
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Oh well, can't win them all! I'm of the belief that I understand its implications. :)
– EMP
Jan 21 '10 at 3:45
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How does RewriteBase work in .htaccess
...on htaccess.. does a ReWriteBase set it for all rules in the htaccess following what its declaration? is there a way to unset it, can it be reset?
– Damon
Apr 25 '13 at 15:32
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What's the difference between Perl's backticks, system, and exec?
...se this tasks.
There is IPC::Open2 and IPC::Open3 and IPC::Run, as well as
Win32::Process::Create if you are on windows.
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What is the difference between NULL, '\0' and 0?
...implicitly checks "is not 0", so we reverse that to mean "is 0".
The following are INVALID ways to check for a null pointer:
int mynull = 0;
<some code>
if (pointer == mynull)
To the compiler this is not a check for a null pointer, but an equality check on two variables. This might work if...
What's the use of Jade or Handlebars when writing AngularJs apps
...like writing plain HTML? Is that the main benefit to Jade, are there other wins? Does Jade ever mess up the HTML in any way, so you have to tweak it to obtain a certain output? I see a danger of having added another layer of indirection without an actual need. But then again, that's why I am asking....
logger configuration to log to file and print to stdout
... stdout. How do I do this? In order to log my strings to a file I use following code:
8 Answers
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...ction to favour the "likely" side of a jump instruction. This can be a big win, if the prediction is correct it means that the jump instruction is basically free and will take zero cycles. On the other hand if the prediction is wrong, then it means the processor pipeline needs to be flushed and it c...
Why doesn't Objective-C support private methods?
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Private methods could not bypass the message dispatch. Consider the following scenario:
A class AllPublic has a public instance method doSomething
Another class HasPrivate has a private instance method also called doSomething
You create an array containing any number of instances of both AllPubl...
NuGet auto package restore does not work with MSBuild
...aviour:
Download the latest NuGet executable from https://dist.nuget.org/win-x86-commandline/latest/nuget.exe and place it somewhere in your PATH. (You can do this as a pre-build step.)
Run nuget restore which will auto-download all the missing packages.
Run msbuild to build your solution.
Aside...