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What is the benefit of using $() instead of backticks in shell scripts?
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The major one is the ability to nest them, commands within commands, without losing your sanity trying to figure out if some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls ...
What are the differences between django-tastypie and djangorestframework? [closed]
...I've got an obvious bias ;) but my hopefully-fairly-objective opinion on this is something like:
TastyPie
As Torsten noted, you're not going to go far wrong with something written by the same peeps as the awesome django-haystack. From what I've seen on their mailing list Daniel Lindsey et al are...
JavaFX and OpenJDK
...vaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with JavaFX. According to this question, the alternative OpenJFX will only be fully integrated into OpenJDK in version 9. So my question is twofold:
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Using StringWriter for XML Serialization
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<TL;DR> The problem is rather simple, actually: you are not matching the declared encoding (in the XML declaration) with the datatype of the input parameter. If you manually added <?xml version="1.0" encoding="utf-8"?><test/> to the ...
Is a GUID unique 100% of the time?
Is a GUID unique 100% of the time?
22 Answers
22
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List of Big-O for PHP functions
...er these two possible implementations of a function that finds if a number is prime using a cached array of primes.
4 Answe...
return statement vs exit() in main()
... reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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C# - What does the Assert() method do? Is it still useful?
...lean condition as a parameter, and shows the error dialog if the condition is false. The program proceeds without any interruption if the condition is true.
If you compile in Release, all Debug.Assert's are automatically left out.
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Are PHP include paths relative to the file or the calling code?
...e in relation to the location of B.PHP, or to the location of A.PHP? That is, does it matter which file the include is called from, or only what the current working directory is- and what determines the current working directory?
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Objective-C: Where to remove observer for NSNotification?
...neric answer would be "as soon as you no longer need the notifications". This is obviously not a satisfying answer.
I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unr...