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How to save and restore multiple different sessions in Vim?

... You can also set vim to automatically save files (if you like that sort of thing) in your .vimrc: vimrc au FocusLost * silent! wa This will auto save any time the buffer loses focus. – grego Jan 6 '18 at 22:52 ...
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?

...ot a couple of duplicates in a database that I want to inspect, so what I did to see which are duplicates, I did this: 10 A...
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Firebase Storage How to store and Retrieve images [closed]

... Update (20160519): Firebase just released a new feature called Firebase Storage. This allows you to upload images and other non-JSON data to a dedicated storage service. We highly recommend that you use this for storing images, instead of storing them as base64 encoded data in the...
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How to evaluate a math expression given in string form?

...es of operation orders. 1. operator sign | variable evaluation | function call | parenthesis (sub-expressions); 2. exponentiation; 3. multiplication, division; 4. addition, subtraction; – Vasile Bors Jul 24 '16 at 15:05 ...
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Try/Catch block in PHP not catching Exception

...is someone else in the same situation. I had my exception in my namespace called A and the script was in a namespace called B. The problem was that I had A\MyException which equals (in PHP) \B\A\MyException (because my script is in the namespace called B!). All I had to do to fix it was to add back...
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

... Collection<String> supportedOptions() { System.err.println("Called supportedOptions............................."); return Collections.EMPTY_LIST; } public Collection<String> supportedAnnotationTypes() { System.err.println("Called supportedAnnotationType...
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Why does 2 == [2] in JavaScript?

...stract algorithms back to JS, what happens when evaluating 2 == [2] is basically this: 2 === Number([2].valueOf().toString()) where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element. This also exp...
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Most pythonic way to delete a file which may not exist

... this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions. It may be worthwhile to write a function to do this for you: import os, errno def silentremove(filename): try: os.remove(filen...
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How do I read text from the (windows) clipboard from python?

... You can use the module called win32clipboard, which is part of pywin32. Here is an example that first sets the clipboard data then gets it: import win32clipboard # set clipboard data win32clipboard.OpenClipboard() win32clipboard.EmptyClipboard()...
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Creating and playing a sound in swift

...emSoundID instance variables somewhere, use them throughout your app, then call AudioServicesDisposeSystemSoundID when you're finished with them. share | improve this answer | ...