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What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
... pages for simplicity). Unicode strings (unicode) can represent characters from any alphabet including some fictional ones like Klingon.
So why have two kinds of strings, would it not be better to just have Unicode since that would cover all the cases? Well it is better to have only Unicode but Pyt...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
...eplace(u"Â ", u"") But in Python 3, just use quotes. In Python 2, you can from __future__ import unicode_literals to obtain the Python 3 behavior, but be aware this affects the entire current module.
s.replace(u"Â ", u"") will also fail if s is not a unicode string.
string.replace returns a new st...
Is there an exponent operator in C#?
...here is a blog post on MSDN about why an exponent operator does NOT exists from the C# team.
It would be possible to add a power
operator to the language, but
performing this operation is a fairly
rare thing to do in most programs, and
it doesn't seem justified to add an
operator when calling Math....
How to check if there's nothing to be committed in the current branch?
...cho Repo is clean
fi
I use this as a simple one-liner sometimes:
# pull from origin if our repo is clean
git status --porcelain | grep . || git pull origin master
Add -qs to your grep command to make it silent.
share
...
How to check if a service is running on Android?
...
I use the following from inside an activity:
private boolean isMyServiceRunning(Class<?> serviceClass) {
ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
for (RunningServiceInfo service : man...
Pass mouse events through absolutely-positioned element
...you need is mousedown, you may be able to make do with the document.elementFromPoint method, by:
removing the top layer on mousedown,
passing the x and y coordinates from the event to the document.elementFromPoint method to get the element underneath, and then
restoring the top layer.
...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
...eychain, you can just click here, or use Synaptic to do the job or apt-get from the command line.
Command line
Another way to install the file is to open the terminal (Application->Accessories->Terminal) and type:
sudo apt-get install keychain
Edit File
You then should add the following ...
Is MD5 still good enough to uniquely identify files?
...
Yes. MD5 has been completely broken from a security perspective, but the probability of an accidental collision is still vanishingly small. Just be sure that the files aren't being created by someone you don't trust and who might have malicious intent.
...
Delete directories recursively in Java
... throw exc;
}
}
});
}
I use this as a fallback from platform-specific methods (in this untested code):
public static void removeDirectory(Path directory) throws IOException
{
// does nothing if non-existent
if (Files.exists(directory))
{
try
{...
Why do you need to invoke an anonymous function on the same line?
...o you may ask, what's the difference between declaration and expression?
From ECMA Script specification:
FunctionDeclaration :
function Identifier ( FormalParameterListopt ){ FunctionBody
}
FunctionExpression :
function Identifieropt ( FormalParameterListopt ){ FunctionBody
...