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What happens to C# Dictionary lookup if the key does not exist?

...{ // Key wasn't in dictionary; "value" is now 0 } (Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.) Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary<,> will throw an excep...
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How to pass variable number of arguments to a PHP function

...unction that takes a variable number of arguments (using func_num_args() and func_get_args() ), but the number of arguments I want to pass the function depends on the length of an array. Is there a way to call a PHP function with a variable number of arguments? ...
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Getting the max value of an enum

... If you're going to use LINQ, why not use Max(), which is much clearer, and doesn't rely on "seems to"? – Marc Gravell♦ Oct 15 '08 at 5:51 3 ...
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Why does JavaScript only work after opening developer tools in IE once?

...anks! I'd say it's a bug since you should have the same conditions to test and debug your website with the console open and close. – Chnoch Mar 6 '15 at 11:35 ...
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How do I get the logfile from an Android device?

... edited Oct 27 '15 at 10:46 Andrzej Budzanowski 96599 silver badges1717 bronze badges answered May 22 '10 at 13:18 ...
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Is it good practice to use the xor operator for boolean checks? [closed]

... "a is not equal to b". (What @RobertGrant said). Most humans would understand the first one easier if they know what xor is (which is pretty useful to know if you're in the field of computing...) – Harold R. Eason Nov 22 '13 at 20:53 ...
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Is there a vr (vertical rule) in html?

...e) in html, but I don't believe there is a vr (vertical rule). Am I wrong and if not, why isn't there a vertical rule? 28 ...
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows

... openssl:Error: '-config' is an invalid command. how do you guys set it? – benez Dec 17 '15 at 14:01 1 ...
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Bootstrap 3: pull-right for col-lg only

... You could put "element 2" in a smaller column (ie: col-2) and then use push on larger screens only: <div class="row"> <div class="col-lg-6 col-xs-6">elements 1</div> <div class="col-lg-6 col-xs-6"> <div class="row"> <div class="...
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Using relative URL in CSS file, what location is it relative to?

... since the CSS file could be added to pages in different directories, so standardising it to the CSS file means that the URLs will work wherever the stylesheets are linked. share | improve this answ...