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Best way to convert an ArrayList to a string
...ny fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
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Is there any overhead to declaring a variable within a loop? (C++)
...this basic thing. Once he laughed at me declaring a variable inside a loop and I was wondering what's wrong until he cited performance as the reason not to do so and I was like "WTF!?".
– Mehrdad Afshari
Jun 11 '09 at 19:35
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Run certain code every n seconds [duplicate]
...at case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.start() right before the print "Hello, World!".
– Alex Martelli
Aug 3 '10 at 5:46
6
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Replacing spaces with underscores in JavaScript?
...ou have an aversion to REs
Edit: John Resig said:
If you're searching and replacing
through a string with a static search
and a static replace it's faster to
perform the action with
.split("match").join("replace") -
which seems counter-intuitive but it
manages to work that way in mo...
What's the cleanest way of applying map() to a dictionary in Swift?
...values. It also includes a filter(_:) overload which returns a Dictionary, and init(uniqueKeysWithValues:) and init(_:uniquingKeysWith:) initializers to create a Dictionary from an arbitrary sequence of tuples. That means that, if you want to change both the keys and values, you can say something li...
Extract subset of key-value pairs from Python dictionary object?
...bigdict.get(k, None) for k in ('l', 'm', 'n')}
If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations:
{k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}}
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Questions every good Java/Java EE Developer should be able to answer? [closed]
...ing through Questions every good .Net developer should be able to answer and was highly impressed with the content and approach of this question, and so in the same spirit, I am asking this question for Java/Java EE Developer.
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What are the file limits in Git (number and size)?
Does anyone know what are the Git limits for number of files and size of files?
10 Answers
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Delaying a jquery script until everything else has loaded
...ad() event for your code since this happens after the page is fully loaded and all the code in the various $(document).ready() handlers have finished running.
$(window).load(function(){
//your code here
});
share
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How can I combine two commits into one commit? [duplicate]
...a branch 'firstproject' with 2 commits. I want to get rid of these commits and make them appear as a single commit.
3 Answ...