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Move the mouse pointer to a specific position?

...t's managed by what's called Mouse Lock, and hitting escape will break it. From my brief read-up, I think the idea is that it locks the mouse to one location, and reports motion events similar to click-and-drag events. Here's the release documentation:FireFox: https://developer.mozilla.org/en-US/do...
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Distinct not working with LINQ to Objects

...ey were hit during the foreach loop. This is because the var temp = books.SelectMany(book => book.Authors).Distinct(); returns an IEnumerable, meaning that the request is not executed right away, it is only executed when the data is used. If you would like an example of this firing right away, ...
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MySQL, better to insert NULL or empty string?

...or an empty string using a bound variable but not for a NULL. This query: SELECT * FROM mytable WHERE mytext = ? will never match a NULL in mytext, whatever value you pass from the client. To match NULLs, you'll have to use other query: SELECT * FROM mytable WHERE mytext IS NULL ...
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string.Join on a List or other type

...le<T>) If you can't upgrade, you can achieve the same effect using Select and ToArray. return string.Join(",", a.Select(x => x.ToString()).ToArray()); share | improve this answer ...
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How can you integrate a custom file browser/uploader with CKEditor?

...your callback function. Let's say you put it into $callback. When someone selects a file, run this JavaScript to inform CKEditor which file was selected: window.opener.CKEDITOR.tools.callFunction(<?php echo $callback; ?>,url) Where "url" is the URL of the file they picked. An optional thir...
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“ClickOnce does not support the request execution level 'requireAdministrator.'”

...shing wizard, or 'Publish Now', the click-once checkbox gets automatically selected... share | improve this answer | follow | ...
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How to disable the highlight control state of a UIButton?

I've got a UIButton that, when selected, shouldn't change state when being touched. The default behaviour is for it to be in UIControlStateHighlighted while being touched, and this is making me angry. ...
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Escaping ampersand character in SQL string

... straight from oracle sql fundamentals book SET DEFINE OFF select 'Coda & Sid' from dual; SET DEFINE ON how would one escape it without setting define. share | improve this ans...
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What is a method group in C#?

... Also, if you are using LINQ, you can apparently do something like myList.Select(methodGroup). So, for example, I have: private string DoSomethingToMyString(string input) { // blah } Instead of explicitly stating the variable to be used like this: public List<string> GetStringStuff()...
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What is a good regular expression to match a URL? [duplicate]

... These are the droids you're looking for. This is taken from validator.js which is the library you should really use to do this. But if you want to roll your own, who am I to stop you? If you want pure regex then you can just take out the length check. I think it's a good idea ...