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Upgrade python packages from requirements.txt using pip command
...ch to unpinned versions in your requirements file.
Example:
lxml>=2.2.0
This would upgrade lxml to any version newer than 2.2.0
lxml>=2.2.0,<2.3.0
This would upgrade lxml to the most recent version between 2.2.0 and 2.3.0.
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How to get a microtime in Node.js?
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102
new Date().getTime()? This gives you a timestamp in milliseconds, which is the most accurate th...
Allowed characters in Linux environment variable names
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206
From The Open Group:
These strings have the form
name=value; names shall not contain
th...
Fastest way to serialize and deserialize .NET objects
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answered Nov 10 '10 at 10:46
Marc Gravell♦Marc Gravell
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Invalid argument supplied for foreach()
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530
Personally I find this to be the most clean - not sure if it's the most efficient, mind!
if (is...
JavaScript equivalent of jQuery's extend method
... if(arguments[i].hasOwnProperty(key))
arguments[0][key] = arguments[i][key];
return arguments[0];
}
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How do I get a TextBox to only accept numeric input in WPF?
...ers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.IsMatch(text);
}
If you want to prevent pasting of incorrect data hook up the DataObject.Pasting event Data...
Get a random item from a JavaScript array [duplicate]
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edited Mar 26 at 14:06
answered May 6 '11 at 17:50
Ke...
How To Save Canvas As An Image With canvas.toDataURL()?
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Turn off deprecated errors in PHP 5.3
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203
You can do it in code by calling the following functions.
error_reporting(E_ERROR | E_WARNING ...