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How to get index using LINQ? [duplicate]
... edited Dec 30 '16 at 7:15
Andrew Savinykh
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answered Mar 18 '10 at 16:35
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Easily measure elapsed time
... To run this you have to add the #include <chrono> directive and I would change the reporting time as: std::cout << "Time difference (sec) = " << (std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count()) /1000000.0 <<std::endl; (and do not f...
Regex for numbers only
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Use the beginning and end anchors.
Regex regex = new Regex(@"^\d$");
Use "^\d+$" if you need to match more than one digit.
Note that "\d" will match [0-9] and other digit characters like the Eastern Arabic numerals ٠١٢٣٤٥٦٧٨٩. ...
MySQL check if a table exists without throwing an exception
...or mysql_* functions, they are officially deprecated, no longer maintained and will be removed in the future. You should update your code with PDO or MySQLi to ensure the functionality of your project in the future.
– TRiG
Jun 10 '16 at 10:39
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How to play a notification sound on websites?
...ern browsers)
<embed> (Fallback)
Codes used
MP3 for Chrome, Safari and Internet Explorer.
OGG for Firefox and Opera.
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How do you dismiss the keyboard when editing a UITextField
...eld sends its action when the user hits the Return ("Done", whatever) key, and also sends its delegate -textFieldShouldReturn:.
– Noah Witherspoon
Nov 8 '08 at 5:13
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How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
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This is a surprisingly overlooked answer, and although the original question wasn't totally clear, this directly makes JSON the default response for a web browser (which sends Accept: text/html). Good job.
– gregmac
Jan 15 '13 a...
How to get current user, and how to use User class in MVC5?
...dentity.GetUserId();
Worth mentioning that User.Identity.IsAuthenticated and User.Identity.Name will work without adding the above mentioned using statement. But GetUserId() won't be present without it.
If you're in a class other than a Controller, use
HttpContext.Current.User.Identity.GetUserI...
How to exclude a directory in find . command
I'm trying to run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
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Using PowerShell to write a file in UTF-8 without the BOM
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Using .NET's UTF8Encoding class and passing $False to the constructor seems to work:
$MyRawString = Get-Content -Raw $MyPath
$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines($MyPath, $MyRawString, $Utf8NoBomEn...