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FormData.append(“key”, “value”) is not working

...se FormData to grab all my input files to upload an image, but at the same time I wanted to append a session ID to the information passed along to the server. All this time, I thought by appending the information, you would be able to see it in the server by accessing the object. I was wrong. When y...
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How to do a newline in output

How do I make \n actually work in my output? At the moment it just writes it all in 1 long block. Thanks for any help 4 A...
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How to check in Javascript if one element is contained within another

How can I check if one DOM element is a child of another DOM element? Are there any built in methods for this? For example, something like: ...
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Malloc vs new — different padding

I'm reviewing someone else's C++ code for our project that uses MPI for high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:...
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Illegal mix of collations MySQL Error

...CTER SET utf8 COLLATE utf8_general_ci; MySQL sneaks swedish in there sometimes for no sensible reason. share | improve this answer | follow | ...
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Opening Vim help in a vertical split window

...u can use cabbrev to redefine h as vert h: :cabbrev h vert h. Then every time you type :h, it will automatically expand to :vert h. – Aaron Shen Oct 18 '15 at 2:39 ...
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How to change menu item text dynamically in Android

...y the Android framework, for example when displaying an Activity and every time the menu is displayed. So this may not be very efficient, if your menu does not change very often. – Mr-IDE Sep 30 '17 at 19:51 ...
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Dark color scheme for Eclipse [closed]

...z), you can just turn the window negative. I use Eclipse like this all the time, the normal (whitie) looks is blowing my eyes off. share | improve this answer | follow ...
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How to take a screenshot programmatically on iOS

... This is what is working everytime!!!! I have a lot of 3d transforms on the scrreen and other solutions did mess in my screenshot. This works like it should. Thanks a lot! – AndrewK Jul 23 '15 at 14:04 ...
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Local variables in nested functions

... is then used to look at the value of cage in the surrounding scope at the time you call the function. Here lies the problem. By the time you call your functions, the get_petters function is already done computing it's results. The cage local variable at some point during that execution was assigned...