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How to find the sum of an array of numbers

... Recommended (reduce with default value) Array.prototype.reduce can be used to iterate through the array, adding the current element value to the sum of the previous element values. console.log( [1, 2, 3, 4].reduce((a, ...
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How can I horizontally align my divs?

... user2790239user2790239 11911 silver badge44 bronze badges add a comment ...
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jQuery or javascript to find memory usage of page

... such data to you. And I think you should drop the idea simply because the complexity and inaccuracy of a "handmade" solution may introduce more problem than it solves. Counting DOM elements or document size might be a good estimation, but it could be quite inaccurate since it wouldn't include e...
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'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure

... edited Nov 17 '16 at 15:31 Community♦ 111 silver badge answered Nov 1 '12 at 10:23 Thomas BolanderThoma...
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Permanently add a directory to PYTHONPATH?

...u're using (.profile or whatever, depending on your favorite shell) with a command which, again, depends on the shell in question; in Windows, you can do it through the system GUI for the purpose. superuser.com may be a better place to ask further, i.e. for more details if you need specifics about ...
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How can I see the request headers made by curl when sending a request to the server?

...-v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/ * About to connect() to stackoverflow.com port 80 (#0) * Trying 69.59.196.211... connected * Connected to stackoverflow.com (69.59.196.211) port 80 (#0) > HEAD / HTTP/1.1 > User-Agent: curl/7.16.3 (i686-pc-cygwin...
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How do I detect that an iOS app is running on a jailbroken phone?

... Where does apt store its info? Or could I just call a system() command and find out. I want to find out if they have certain apps, and if they have them, then restrict the app – conradev Mar 6 '10 at 20:16 ...
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.gitignore is ignored by Git

...o "know" about them even after you add them to .gitignore. WARNING: First commit your current changes, or you will lose them. Then run the following commands from the top folder of your Git repository: git rm -r --cached . git add . git commit -m "fixed untracked files" ...
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Drop unused factor levels in a subsetted data frame

...if(is.factor(x)) factor(x) else x) ...Is drop.levels() much more efficient computationally or better with large data sets? (One would have to rewrite the line above in a for-loop for a huge data frame, I suppose.) – hatmatrix Jul 29 '09 at 17:09 ...
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Is there a stopwatch in Java?

... 91 Use Guava's Stopwatch class. An object that measures elapsed time in nanoseconds. It is use...