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If list index exists, do X
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Yep. Upon reviewing the code, my set-up was completely superfluous; len(n) accomplished everything I needed. Thanks for a point in the right direction.
– user1569317
Aug 3 '12 at 18:37
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How to configure slf4j-simple
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thanks I set "org.slf4j.simpleLogger.defaultLogLevel" to "error" in System.properties, however slf4j still log INFO level messages. Any idea? BTW, where should I put simplelogger.properties?
– Gelin Luo
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How to get started with developing Internet Explorer extensions?
...tryKey = writeable_registry.CreateSubKey(RegData);
registryKey.SetValue("Data", TextToHighlight);
writeable_registry.Close();
}
private static void LoadOptions()
{
// In IE 7,8,9,(desktop)10 tabs run in Protected Mode
// which ...
Bash script error [: !=: unary operator expected
...r is not important. Be forewarned, as presented, the variable arg_match is set, thus it is merely a flag. It allows for multiple occurrences of the '-v' arg. One could ignore all other occurrences of '-v' easy enough.
#!/bin/sh
usage ()
{
echo "usage: $0 [-v]"
exit 1
}
unset arg_match
fo...
How can I set the PHP version in PHPStorm?
Is it possible to set the PHP version value, say 4.0+ and have PHPStorm highlight functions that wouldn't work with the oldest version? For example, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every sma...
Android: Rotate image in imageview by an angle
...& pivotY are already defined)
Matrix matrix = new Matrix();
imageView.setScaleType(ImageView.ScaleType.MATRIX); //required
matrix.postRotate((float) angle, pivotX, pivotY);
imageView.setImageMatrix(matrix);
This method does not require creating a new bitmap each time.
NOTE: To rotate ...
How to get disk capacity and free space of remote computer
... out the Usage section for examples. The following usage example queries a set of remote computers (input from the PowerShell pipeline) and displays the output in a table format with numeric values in human-readable form:
PS> $cred = Get-Credential -Credential 'example\administrator'
PS> 'db0...
How to upgrade all Python packages with pip?
...port call
packages = [dist.project_name for dist in pkg_resources.working_set]
call("pip install --upgrade " + ' '.join(packages), shell=True)
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npm throws error without sudo
...nux, you can create a user dedicated directory for your global package and setup npm and node to know how to find globally installed packages.
Check out this great article for step by step instructions on installing npm modules globally without sudo.
See also: npm's documentation on Fixing npm permi...
What is a “cache-friendly” code?
... cost. The idea is that most of the executing code will be hitting a small set of variables often, and the rest (a much larger set of variables) infrequently. If the processor can't find the data in L1 cache, then it looks in L2 cache. If not there, then L3 cache, and if not there, main memory. Each...