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How do I create a Python function with optional arguments?
...,e,f but its a "way" of overloading.
def myfunc(a,b, *args, **kwargs):
for ar in args:
print ar
myfunc(a,b,c,d,e,f)
And it will print values of c,d,e,f
Similarly you could use the kwargs argument and then you could name your parameters.
def myfunc(a,b, *args, **kwargs):
c = kwa...
How to create major and minor gridlines with different linestyles in Python
...
Sometimes you also need to call plt.minorticks_on() for the minor grid to actually appear. See stackoverflow.com/a/19940830/209246
– eqzx
Feb 6 '17 at 22:34
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Hidden features of C
...ion pointers to implement, e.g., fast indirect-threaded code interpreters (FORTH) or byte-code dispatchers, or to simulate OO-like virtual methods.
Then there are hidden gems in the standard library, such as qsort(),bsearch(), strpbrk(), strcspn() [the latter two being useful for implementing a str...
count number of lines in terminal output
... It should be noted that this trick of piping to wc will work for any output, not just grep output. For example, it can be combined with a git diff.
– Jason L.
Aug 15 '18 at 18:44
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How to `go test` all tests in my project?
...nd all of its subdirectories:
$ go test ./...
This should run all tests for given specific directories:
$ go test ./tests/... ./unit-tests/... ./my-packages/...
This should run all tests with import path prefixed with foo/:
$ go test foo/...
This should run all tests import path prefixed wi...
jQuery: Get height of hidden element in jQuery
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You could do something like this, a bit hacky though, forget position if it's already absolute:
var previousCss = $("#myDiv").attr("style");
$("#myDiv").css({
position: 'absolute', // Optional if #myDiv is already absolute
visibility: 'hidden',
display: 'bloc...
Should methods that throw RuntimeException indicate it in method signature?
For example, many methods in frameworks/JDK might throw
7 Answers
7
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Haskell: Converting Int to String
...ennyTM A LOT of people will find that link useful! A link alone is +1, but for showing how to use it... That's +10 Thanks :)
– CoR
Jun 8 '12 at 22:23
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
...r we already had in objective-c. A value can be nil, and you have to check for it, but you can also just access the value directly as if it wasn't an optional (with the important difference that if you don't check for nil you'll get a runtime error)
// Cannot be nil
var x: Int = 1
// The type here...
What format string do I use for milliseconds in date strings on iPhone?
I'm required to parse strings in a format that includes milliseconds. What format string do I use to get the right date value?
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