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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
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According to this updated test jsperf.com/short-scope/5 passing 'window' is actually slower, when it come to get a window constant through jQuery, and particularly bad for Safari. So while 'undefined' has a use case, I am not quite convinced that 'window' is part...
Does setWidth(int pixels) use dip or px?
...Resources();
int px = Math.round(TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, 14,r.getDisplayMetrics()));
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anchor jumping by using javascript
...te of the target element and set the scroll position to it. But this is so complicated.
Here is a lazier way to do that:
function jump(h){
var url = location.href; //Save down the URL without hash.
location.href = "#"+h; //Go to the target element.
history...
Accessing dict_keys element by index in Python3
... @BrandonBradley: thanks for the link. Only the solution from one of the comments for that blog works for me in Python3: sorted(dict.keys()). In Python2, dict.keys() will return a list of key values.
– Good Will
May 8 '18 at 22:20
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Why isn't textarea an input[type=“textarea”]?
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69
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Freely convert between List and IEnumerable
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What's the difference between lists enclosed by square brackets and parentheses in Python?
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How to check if a value exists in a dictionary (python)
...4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38303399085998535, 0.3725...
What does it mean when git says a file “needs update”?
...a file that's dirty (currently modified in your working tree). You need to commit your outstanding changes, or stash them, pull/rebase/merge/whatever you're doing to update, and unstash
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How to determine if a number is a prime with regex?
...er than or equal to 2 that match the n-length string... meaning you have a composite n. So again, return the negation of the successful match: n is NOT prime.
If no match can be found, then you can't come up with a your product of two natural numbers greater than or equal to 2... and you have both ...
