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Environment variables for java installation

...r-unique-entries does not contain any other references to another Java installation folder. Note for Windows users on 64-bit systems: Progra~1 = 'Program Files' Progra~2 = 'Program Files(x86)' Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
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How do I unload (reload) a Python module?

.... When targeting 3 or later, either reference the appropriate module when calling reload or import it. I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself. To quo...
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How do I force a UITextView to scroll to the top every time I change the text?

... This works for me, iOS 8 non-editable textview with attributed string. In viewWillAppear - does not work – Tina Zh Jan 25 '16 at 16:49 ...
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os.walk without digging into directories below

... Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner – mathtic...
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Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
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Merge two Git repositories without breaking file history

...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking. How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...
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filename and line number of python script

... Whether you use currentframe().f_back depends on whether you are using a function or not. Calling inspect directly: from inspect import currentframe, getframeinfo cf = currentframe() filename = getframeinfo(cf).filename print "This is line 5, python say...
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How to handle anchor hash linking in AngularJS

...croll(). Here's the (crappy) documentation. And here's the source. Basically you just inject it and call it in your controller, and it will scroll you to any element with the id found in $location.hash() app.controller('TestCtrl', function($scope, $location, $anchorScroll) { $scope.scrollTo =...