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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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Using PHP with Socket.io
...he client side and communicate with a PHP based application on the server? Does PHP even support such a 'long-lived connection' way of writing code?
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Rails detect if request was AJAX
...to only respond with processing if it was called from an AJAX request. How do I check?
5 Answers
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How to find the Git commit that introduced a string in any branch?
...certain string which was introduced in any commit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...wered Mar 22 '12 at 9:16
Tobias DomhanTobias Domhan
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Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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Passing a single item as IEnumerable
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Your helper method is the cleanest way to do it, IMO. If you pass in a list or an array, then an unscrupulous piece of code could cast it and change the contents, leading to odd behaviour in some situations. You could use a read-only collection, but that's likely to ...
Optional Methods in Java Interface
...interface:
What the Java language can check. This pretty much just boils down to: is there some implementation for each of the methods?
Actually fulfilling the contract. That is, does the implementation do what the documentation in the interface says it should?
Well written interfaces will includ...
How do I get the directory that a program is running from?
...sing C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Property getters and setters
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Setters and Getters apply to computed properties; such properties do not have storage in the instance - the value from the getter is meant to be computed from other instance properties. In your case, there is no x to be assigned.
Explicitly: "How can I do this without explicit backing iva...