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how can you easily check if access is denied for a file in .NET?

...ened after the required attempts</returns> public FileStream TryOpen(string filePath, FileMode fileMode, FileAccess fileAccess,FileShare fileShare,int maximumAttempts,int attemptWaitMS) { FileStream fs = null; int attempts = 0; // Loop allow multiple attempts while (true) ...
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How does having a dynamic variable affect performance?

...method we call were trying to do something intensive, like combining a few strings together or searching a collection for a value, those operations would likely far outweigh the difference between a direct call and a dynamic call. Performance is just one of many good reasons not to use dynamic unnec...
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What is the difference between Python and IPython?

... IPython is basically the "recommended" Python shell, which provides extra features. There is no language called IPython. share | improve this answer | follow ...
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What is the size of column of int(11) in mysql in bytes?

...ied as zerofill. Otherwise, it will just be displayed as number 1, without extra digits. @Gaurav - don't mix how mysql displays data and how it stores it, those are two different things. What you see is not what it really might be. – Michael J.V. Apr 12 '11 at ...
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MySQL “NOT IN” query

... it is possible that the code responsible for EXISTS makes some kind of an extra check which takes extra time. […] MySQL can optimize all three methods to do a sort of NESTED LOOPS ANTI JOIN. […] However, these three methods generate three different plans which are executed by three di...
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Using Rails 3.1, where do you put your “page specific” JavaScript code?

...I really like this solution. The only problem I have with it is that those extra manifests are not compressed/uglified. They are properly compiled though. Is there a solution or am I missing something? – clst Dec 8 '11 at 16:31 ...
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Drop shadow for PNG image in CSS

...rnet Explorer 9-. One step further is to inline the SVG, eliminating the extra request: .shadowed { -webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5)); filter: url("data:image/svg+xml;utf8,<svg height='0' xmlns='http://www.w3.org/2000/svg'><filter id='drop-shadow'>&lt...
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No == operator found while comparing structs in C++

... @Xeo: memcmp fails with non-POD members (like std::string) and padded structures. – fredoverflow Apr 21 '11 at 8:07 16 ...
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CSS - How to Style a Selected Radio Buttons Label?

... If you really want to put the checkboxes inside the label, try adding an extra span tag, eg. HTML <div class="radio-toolbar"> <label><input type="radio" value="all" checked><span>All</span></label> <label><input type="radio" value="false"><spa...
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PHP Warning: PHP Startup: Unable to load dynamic library

...the php.ini file: extension_dir = "\xampp\php\ext" browscap = "\xampp\php\extras\browscap.ini" to extension_dir = "e:\xampp\php\ext" browscap = "e:\xampp\php\extras\browscap.ini" share | impro...