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Can you list the keyword arguments a function receives?
...argspec(func)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
If you want to know if its callable with a particular set of args, you need the args without a default already specified. These can be got by:
def getRequiredArgs(func):
args, varargs, varkw, defaults = inspect.getargspec(func)
if ...
jQuery document.createElement equivalent?
... more scientific than my primitive benchmarks, plus it can be crowdsourced now!
http://jsben.ch/#/ARUtz
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Method call if not null in C#
...void SafeInvoke(this Action action) {
if(action != null) action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate {Console.WriteLine("hi");}
act.SafeInvoke(); // writes "hi"
In the case of events, this has the advantage of also removing the race-con...
When to use ' (or quote) in Lisp?
...et (+ 3 2), + is then invoked on 3 and 2 yielding 5. Our original form is now (* 5 3) yielding 15.
Explain quote Already!
Alright. As seen above, all arguments to a function are evaluated, so if you would like to pass the symbol a and not its value, you don't want to evaluate it. Lisp symbols ca...
How to add local .jar file dependency to build.gradle file?
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@Gubatron it's documented now: gradle.org/docs/current/userguide/…
– David Moles
Jan 12 '15 at 22:23
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How do I unbind “hover” in jQuery?
...ing you to expressly remove each of the literal event names. Using $.off() now allows you to drop both mouse events using the same shorthand.
Edit 2016:
Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was de...
Maven in Eclipse: step by step installation [closed]
...2e/releases"
or
http://download.eclipse.org/technology/m2e/milestones/1.0
Now click OK
After that installation would be started.
Way 2: Another way to install Maven plug-in for Eclipse by "Eclipse Marketplace":
Open Eclipse
Go to Help -> Eclipse Marketplace
Search by Maven
Click "Install" b...
T-SQL - function with default parameters
...dvantage of default concept here... I need to go and change all the places now.
– LCJ
Sep 12 '14 at 20:26
8
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Can I incorporate both SignalR and a RESTful API?
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@davids.s: I know, that I'm a little late, but thanks for the link. I've added an excerpt for further readers.
– Dennis
Aug 21 '15 at 7:18
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pass **kwargs argument to another function with **kwargs
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now I get it. I thought keywords and dict were the same thing.
– user945967
Mar 26 '12 at 6:41
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