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Best way to merge two maps and sum the values of same key?
I want to merge them, and sum the values of same keys. So the result will be:
15 Answers
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throwing an exception in objective-c/cocoa
...xception exceptionWith…]) syntax, the parser recognizes that as an exit and does not display the warning.
– mattorb
Aug 27 '11 at 16:32
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Visual studio compiles fine but still shows red lines
I am using VS 2012 and it was working all fine until I started observing some funny behavior. When I open my code it shows red Underlines which we usually see when there is an error in our code. Surprisingly, code compiles all fine. I have made following observations that are not normal at all.
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When should I use Arrow functions in ECMAScript 6?
...ght about code style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
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git push says “everything up-to-date” even though I have local changes
I have a remote gitosis server and a local git repository, and each time I make a big change in my code, I'll push the changes to that server too.
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What is href=“#” and why is it used?
...lt;div id="some-id">.
href="//site.com/#some-id" would go to site.com and scroll to the id on that page.
Scroll to Top:
href="#" doesn't specify an id name, but does have a corresponding location - the top of the page. Clicking an anchor with href="#" will move the scroll position to the top....
Capture Signature using HTML5 and iPad
...on drawing velocity) curves: demo at http://szimek.github.io/signature_pad and code at https://github.com/szimek/signature_pad.
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Difference between Big-O and Little-O Notation
What is the difference between Big-O notation O(n) and Little-O notation o(n) ?
4 Answers
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Referring to the null object in Python
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And the reason for choosing egg is None over egg == None: The latter can be overloaded, and is likely to break when comparing valid object with None (depends on how it's implemented, but you don't expect everyone to take comp...
How to escape special characters in building a JSON string?
... edited Jun 21 '16 at 1:12
Andrew
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answered Oct 4 '13 at 7:56
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