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What's the difference between equal?, eql?, ===, and ==?
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I'm going to heavily quote the Object documentation here, because I think it has some great explanations. I encourage you to read it, and also the documentation for these methods as they're overridden in other classes, like String.
Side note: if you want to try these out for yourself on different o...
How to determine the memory footprint (size) of a variable?
...didn't work properly.
Other Profiler Options
php-memory-profiler
https://github.com/arnaud-lb/php-memory-profiler. This is what I've done on my Ubuntu server to enable it:
sudo apt-get install libjudy-dev libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-avail...
R script line numbers at error?
... a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
6 Answers
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What's the difference between the atomic and nonatomic attributes?
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The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang).
Assuming that you are @synthesizing the method implementations, atomic vs. no...
Is there any good dynamic SQL builder library in Java? [closed]
... good SQL builder library for Java like Squiggle (not maintained anymore it seems). Preferably, a project in active development.
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Proper way to exit iPhone application?
I am programming an iPhone app, and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application?
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JavaScript open in a new window, not tab
I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab.
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Is it possible to set async:false to $.getJSON call
Is it possible to set async: false when calling $.getJSON() so that the call blocks rather than being asynchronous?
7 A...
Type or namespace name does not exist [closed]
I have a WCF Data Service project built with Visual Studio 2010, which was working fine. All of a sudden, it didn't compile anymore. It was giving me messages like:
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Decimal number regular expression, where digit after decimal is optional
...eed a regular expression that validates a number, but doesn't require a digit after the decimal.
ie.
15 Answers
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