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How can I check if a program exists from a Bash script?
...o use.
If your script uses bash though, POSIX rules don't really matter anymore and both type and hash become perfectly safe to use. type now has a -P to search just the PATH and hash has the side-effect that the command's location will be hashed (for faster lookup next time you use it), which is us...
What are the differences between Deferred, Promise and Future in JavaScript?
...a standardized promise, you can pass the promise around, thus allowing for more clear grouping.
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jQuery: Get selected element tag name
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Cannot generate iOS App archive in xcode
...e. If you're building a static library the headers must be Public, so it's more correct if #3 is to change Public Headers Folder Path to something more sensible like include/$(TARGET_NAME). @CopperCash notes this in an answer below.
– bcattle
Apr 18 '14 at 6:14...
How to create default value for function argument in Clojure
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This answer more effectively captures the "proper" way to do it than the accepted answer, though both will work fine. (of course, a great power of Lisp languages is that there are usually many different ways to do the same fundamental th...
What's the fastest way to loop through an array in JavaScript?
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How to get the children of the $(this) selector?
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How do I set a variable to the output of a command in Bash?
... Curly braces can be used when the variable is immediately followed by more characters which could be interpreted as part of the variable name. e.g. ${OUTPUT}foo. They are also required when performing inline string operations on the variable, such as ${OUTPUT/foo/bar}
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Sorting object property by values
...dard, as you've yourself mentioned, this erroneous assumption is broken by more browsers than just Chrome today, so it's better not to encourage users to try it.
– Oleg V. Volkov
Aug 15 '12 at 15:42
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Difference between Python's Generators and Iterators
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iterator is a more general concept: any object whose class has a __next__ method (next in Python 2) and an __iter__ method that does return self.
Every generator is an iterator, but not vice versa. A generator is built by calling a functi...