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How to automatically select all text on focus in WPF TextBox?

If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released. ...
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Why are two different concepts both called “heap”?

...e the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation? ...
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Tracking the script execution time in PHP

... On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like: // Script start $rustart = getrusage(); // Code ... // Script end function rutime($ru, $rus, $index) { return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["...
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How to use pull to refresh in Swift?

I am building an RSS reader using swift and need to implement pull to reload functionality. 17 Answers ...
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What is the most efficient way of finding all the factors of a number in Python?

... The reduce(list.__add__, ...) is taking the little lists of [fac1, fac2] and joining them together in one long list. The [i, n/i] for i in range(1, int(sqrt(n)) + 1) if n % i == 0 returns a pair of factors if the remainder when you divide n by the smaller one is zero (it doesn't need to check the...
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Passing variables in remote ssh command

I want to be able to run a command from my machine using ssh and pass through the environment variable $BUILD_NUMBER 7 Ans...
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Gradle finds wrong JAVA_HOME even though it's correctly set

...E=/usr/lib/jvm/default-java Commenting this line out solves the problem, and Gradle finds the correct path to the Java binary. If you just download the binary from their website it does not have this problem, It's an issue with the Ubuntu repo version. There also seem to be some other issues wi...
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How can I select the first day of a month in SQL?

... Here is an explanation on why and how this works. – RubberDuck Oct 15 '14 at 19:24 35 ...
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Switch statement for string matching in JavaScript

...you don't want to compare in your match, you don't need a substring match, and could do: switch (base_url_string) { case "xxx.local": // Blah break; case "xxx.dev.yyy.com": // Blah break; } ...but again, that only works if that's the complete string you're ...
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty

... I had the same error and it turned out to be a circular dependency between a module or class loaded by the settings and the settings module itself. In my case it was a middleware class which was named in the settings which itself tried to load th...