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What is the difference between Python's list methods append and extend?
...gives you: [1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3]
x.extend([4, 5])
print (x)
gives you: [1, 2, 3, 4, 5]
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What exception classes are in the standard C++ library
...ull pointer
std::bad_weak_ptr <memory> constructing a shared_ptr from a bad weak_ptr
std::logic_error <stdexcept> errors detectable before the program executes
std::domain_error <stdexcept> parameter outside the valid range
std::future_error <future> v...
How to Create Deterministic Guids
...gles the mind that they don't update the RFC in-place with the corrections from the errata. Even a link at the end of the document would be vastly more helpful than relying on the reader to remember to search for errata (hopefully before writing an implementation based on the RFC...).
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What is the best IDE to develop Android apps in? [closed]
...e endorse Idea. It is safe to say that Android Studio, and thus Idea, will from now on be the definitive IDE for Android development! :D
ORIGINAL ANSWER
IntelliJ now has support for Android. See Enabling Android Support from the JetBrains help page and the Google Code project page for the plugin...
JavaScript: filter() for Objects
...t is a negative filter, where a positive return value means it is excluded from the result. If you look at the jsFiddle example, he's filtering out existing properties that are undefined.
– user113716
Aug 22 '11 at 13:09
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Why does PHP 5.2+ disallow abstract static class methods?
...ling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
... Also happened for me using getImageData() on a canvas when loaded from file://.
– Timmmm
Jan 23 '11 at 16:39
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How do I execute a program from Python? os.system fails due to spaces in path
I have a Python script that needs to execute an external program, but for some reason fails.
10 Answers
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What is Ember RunLoop and how does it work?
...pagated, and so on. Obviously, the more changes that need to be propagated from a single event, the longer the RunLoop will take to finish. Here's a (pretty unfair) example of how the RunLoop can get bogged down with propagating changes compared to another framework (Backbone) that doesn't have a ru...
C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
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