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Can you list the keyword arguments a function receives?
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(['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 defaults:
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What is the purpose of mock objects?
...s terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
11 Answer...
Does the JVM prevent tail call optimizations?
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This post: Recursion or Iteration? might help.
In short, tail call optimization is hard to do in the JVM because of the security model and the need to always have a stack trace available. These requirements could in theory be supported, but it would probably require a new bytecode (see J...
How to scroll the window using JQuery $.scrollTo() function
...ml, body') just like Tim has pointed here. Just $('body') will not work in all browsers.
– i--
Mar 28 '13 at 21:28
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What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
...ike that very much.
Bazaar is reasonably fast (very fast for trees with shallow history, but presently scales poorly with history length), and is easy-to-learn to those familiar with the command-line interfaces of traditional SCMs (CVS, SVN, etc). Win32 is considered a first-class target by its dev...
Setting the Vim background colors
... Thanks, it works. I tried that option before, but it seems that not all colors work, for instance brown and yellow options don't affect my default console background at all.
– Maksim Vi.
Jul 13 '09 at 2:52
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SQL Group By with an Order By
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In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias:
SELECT COUNT(id) AS theCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
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UITableView, Separator color where to set?
...ve added a UITableView in IB and set the "delegate" and "datasource" and all is working well. What I wanted to do next was change the separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
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contenteditable, set caret at the end of the text (cross-browser)
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The following function will do it in all major browsers:
function placeCaretAtEnd(el) {
el.focus();
if (typeof window.getSelection != "undefined"
&& typeof document.createRange != "undefined") {
var range = document.c...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...nt) that some of the other frameworks/jars used in my project require. But all of them require different major versions like:
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