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warning about too many open figures

...ix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory. ...
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Status bar and navigation bar appear over my view's bounds in iOS 7

... 20 Answers 20 Active ...
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Learning Regular Expressions [closed]

... It's the same conceptually as the really big character class [-.?+%$A-Za-z0-9...]. Think of character classes as menus: pick just one. Helpful shortcuts Using . can save you lots of typing, and there are other shortcuts for common patterns. Say you want to match a digit: one way to write that is...
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ArrayBuffer to base64 encoded string

... 230 function _arrayBufferToBase64( buffer ) { var binary = ''; var bytes = new Uint8Array( b...
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NULL vs nullptr (Why was it replaced?) [duplicate]

I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement? ...
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How do I get PHP errors to display?

... 3250 This always works for me: ini_set('display_errors', '1'); ini_set('display_startup_errors', '1'...
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How can I process each letter of text using Javascript?

... If the order of alerts matters, use this: for (var i = 0; i < str.length; i++) { alert(str.charAt(i)); } If the order of alerts doesn't matter, use this: var i = str.length; while (i--) { alert(str.charAt(i)); } var str = 'This is my string'; function matters()...
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How does this program work?

It displays a 0 !! How is that possible? What is the reasoning? 13 Answers 13 ...
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how to calculate binary search complexity

... myermian 29.3k2121 gold badges104104 silver badges198198 bronze badges answered Nov 18 '11 at 16:10 duedl0rduedl0r ...
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How do I replace text in a selection?

...in the screenshot below. Hit replace all, and voila, all instances of '0' will be replaced with '255'. Note: this feature is ONLY available when you use ⌘ + option + F. It does NOT appear when you use ⌘ + shift + F. Note: this will replace all instances of '0' with '255'. If you wante...