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How can I get file extensions with JavaScript?
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@wallacer: What happens if filename actually doesn't have an extension? Wouldn't this simply return the base filename, which would be kinda bad?
– Nicol Bolas
Oct 26 '11 at 20:33
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How can I find the number of arguments of a Python function?
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str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments ...
Abstract Class vs Interface in C++ [duplicate]
...s, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a COM component in C++ and use it in Visual Basic, or build a COM component in C and use it in C++, or build a COM component with Visual C++ version X and use...
Should I use `this` or `$scope`?
...ller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app without an explicit reason. Frankly, mixing them will work, but it will just add to the confu...
Node.js Best Practice Exception Handling
...s depending on our code architecture:
For synchronous code, if an error happens, return the error:
// Define divider as a syncrhonous function
var divideSync = function(x,y) {
// if error condition?
if ( y === 0 ) {
// "throw" the error safely by returning it
return new Er...
What is the difference between angular-route and angular-ui-router?
I'm planning to use AngularJS in my big applications. So I'm in the process to find out the right modules to use.
15 Answ...
Thread vs ThreadPool
...l functions under the hood
Creating a new thread yourself would be more appropriate if the job were going to be relatively long running (probably around a second or two, but it depends on the specific situation)
@Krzysztof - Thread Pool threads are background threads that will stop when the main...
How can I pass a parameter to a setTimeout() callback?
... 1.2—it is explicitly part of the HTML5 draft spec (whatwg.org/specs/web-apps/current-work/multipage/…). However, using a string instead of a function object is generally considered poor style because it is essentially a form of delayed eval().
– Miles
Jul...
How to add default value for html ? [closed]
... to aid the user with data entry when the control has no value" [and it disappears as soon as user clicks into the textarea]. It will never act as "the default value" for the control. If you want that, you must put the desired text inside the Here is the actual default value, as per other answers he...
Vagrant error : Failed to mount folders in Linux guest
...itions_4.3.11-93070.iso
sudo cp VBoxGuestAdditions_4.3.11-93070.iso /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso
UPDATE (16may2014)
Since the iso is no longer available, you can use the 4.3.12 one (http://dlc.sun.com.edgesuite.net/virtualbox/4.3.12/VBoxGuestAdditions_...