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Easiest way to convert a List to a Set in Java
... there are pitfalls here depending on which implementations of Set and Map one is using; HashSet is assumed here.
– Madbreaks
Jul 3 '18 at 17:25
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LINQ order by null column where order is ascending and nulls should be last
...eration on the collection re-ordering it each time.
This should order the ones with a value first, "then" the order of the value.
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Trying to fix line-endings with git filter-branch, but having no luck
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The easiest way to fix this is to make one commit that fixes all the line endings. Assuming that you don't have any modified files, then you can do this as follows.
# From the root of your repository remove everything from the index
git rm --cached -r .
# Change...
What is the Python equivalent of Matlab's tic and toc functions?
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Apart from timeit which ThiefMaster mentioned, a simple way to do it is just (after importing time):
t = time.time()
# do stuff
elapsed = time.time() - t
I have a helper class I like to use:
class Timer(object):
def __init__(self, name=None):
self.na...
What reason is there to use null instead of undefined in JavaScript?
...s in the conventions of how you use them in your system. As some have mentioned, some people use null for meaning "no object" where you might sometimes get an object while undefined means that no object was expected (or that there was an error). My problem with that is its completely arbitrary, and ...
format date with moment.js
...that? I mean if I have the later format and want to change it to the first one.
– Arslan Tariq
Oct 9 '17 at 11:27
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Is there an “exists” function for jQuery?
...okup (cheap!) with two function calls, which are much more expensive—and one of those function calls recreates a jQuery object that you already have, which is just silly.
– C Snover
May 30 '10 at 4:14
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Add leading zeroes to number in Java? [duplicate]
... many locales that do NOT use Arabic numerals 0-9 (oddly enough, Arabic is one of those locales). I had a bug where my code was crashing on Android when the phone was set in Arabic because I was formatting a date string using String.format("%04d-%02d-%02d", year, month, day), thinking that would pro...
How to pass optional arguments to a method in C++?
...ave multiple optional parameters I should either implement all of them or none at all? I cannot choose to use 1 optional parameter but not the rest?
– Gerard
Apr 24 '14 at 10:19
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device
...cation which you want to install is already installed. just remove the old one and try again.
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