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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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Warn user before leaving web page with unsaved changes

... Short, wrong answer: You can do this by handling the beforeunload event and returning a non-null string: window.addEventListener("beforeunload", function (e) { var confirmationMessage = 'It looks like you have been editing something. ' ...
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How to allow http content within an iframe on a https site

... still have insecure links to content. You'll have to find them with regex and also replace. Images are hard to solve, but Ï found workaround here: http://foundationphp.com/tutorials/image_proxy.php share | ...
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What is the difference between '@' and '=' in directive scope in AngularJS?

I've read the AngularJS documentation on the topic carefully, and then fiddled around with a directive. Here's the fiddle . ...
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What is “with (nolock)” in SQL Server?

...alent of using READ UNCOMMITED as a transaction isolation level. So, you stand the risk of reading an uncommitted row that is subsequently rolled back, i.e. data that never made it into the database. So, while it can prevent reads being deadlocked by other operations, it comes with a risk. In a bank...
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How do HttpOnly cookies work with AJAX requests?

...sites. You need some method for identifying the user behind each request, and cookies are almost always the means to that end. In your example, I cannot write to your document.cookie, but I can still steal your cookie and post it to my domain using the XMLHttpRequest object. XmlHttpRequest wo...
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Java: Multiple class declarations in one file

...ed type (which I would otherwise agree with): if the main class is generic and the type parameter is the second class, the second class can't be nested. And if the two classes are tightly coupled (like PublicClass and PrivateImpl in the question), I think it's a good idea to put PrivateImpl as a top...
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Input widths on Bootstrap 3

...ng the top answer to keep people from adding answers without really understanding the question. In reality there is no way to do it with the build in functionality without using grid or adding extra css. Grids do not work well if you are dealing with help-block elements that need to go beyond a sh...
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Defining private module functions in python

... more forcefully... but, in the end, it still depends on social convention and consensus: Python's introspection is forceful enough that you can't handcuff every other programmer in the world to respect your wishes. ((Btw, though it's a closely held secret, much the same holds for C++: with most co...
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What's the _ underscore representative of in Swift References?

... is used to modify external parameter name behavior for methods. In Local and External Parameter Names for Methods section of the documentation, it says: Swift gives the first parameter name in a method a local parameter name by default, and gives the second and subsequent parameter names both ...