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How can I get the source code of a Python function?
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If the function is from a source file available on the filesystem, then inspect.getsource(foo) might be of help:
If foo is defined as:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2
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Convert Float to Int in Swift
I want to convert a Float to an Int in Swift. Basic casting like this does not work because these types are not primitives, unlike float s and int s in Objective-C
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Does Python support short-circuiting?
...or in operator and, or:
Let's first define a useful function to determine if something is executed or not. A simple function that accepts an argument, prints a message and returns the input, unchanged.
>>> def fun(i):
... print "executed"
... return i
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One can observe the P...
When to use ko.utils.unwrapObservable?
...apObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, they have the following syntax:
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How To Get IPython Notebook To Run Python 3?
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and then use
ipython3 notebook
to open the notebook in the browser. If you have any notebooks saved with python 2 then it will automatically convert them to Python 3 once you open the notebook.
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Check if event exists on element [duplicate]
Is there a way to check if an event exists in jQuery? I’m working on a plugin that uses custom namespaced events, and would like to be able to check if the event is binded to an element or not.
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Concatenate a vector of strings/character
If I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() :
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How can I check the system version of Android?
...ON.
CODENAME: The current development codename, or the string "REL" if this is a release build.
INCREMENTAL: The internal value used by the underlying source control to represent this build.
RELEASE: The user-visible version string.
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How to find the statistical mode?
...erate & find the mode of a 10M-integer vector in about half a second.
If your data set might have multiple modes, the above solution takes the same approach as which.max, and returns the first-appearing value of the set of modes. To return all modes, use this variant (from @digEmAll in the com...
How do I find out if the GPS of an Android device is enabled
...ger = (LocationManager) getSystemService( Context.LOCATION_SERVICE );
if ( !manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
buildAlertMessageNoGps();
}
private void buildAlertMessageNoGps() {
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
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