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How does the keyword “use” work in PHP and can I import classes with it?

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Struggling with NSNumberFormatter in Swift for currency

...matter.string(from:) is an optional String not a String (as implied by the comments) so will need unwrapping before use. – Ali Beadle Sep 10 '17 at 9:16  |...
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In MySQL, how to copy the content of one table to another table within the same database?

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Resetting generator object in Python

...to create a second version of your generator: y = FunctionWithYield() y, y_backup = tee(y) for x in y: print(x) for x in y_backup: print(x) This could be beneficial from memory usage point of view if the original iteration might not process all the items. ...
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Image comparison - fast algorithm

...ears to be a good open source implementation of such a hash available at: http://phash.org/ The main idea is that each image is reduced down to a small hash code or 'fingerprint' by identifying salient features in the original image file and hashing a compact representation of those features (rath...
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Best way to get child nodes

...children.unshift(childNodes[i]); } } return children; } http://jsfiddle.net/s4kxnahu/ This is especially easy if you are using a utility library such as lodash: /** * Return direct children elements. * * @param {HTMLElement} * @return {Array} */ function elementChildren (el...
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What is the difference between Reader and InputStream?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe

... Here's how I solved it: open pip.exe in 7zip and extract __main__.py to Python\Scripts folder. In my case it was C:\Program Files (x86)\Python27\Scripts Rename __main__.py to pip.py Run it! python pip.py install something EDIT: If you want to be able to do pip install something...
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git command to move a folder inside another

...Name newFolderName got fatal: bad source, source=oldFolderName/somepath/__init__.py, dest ination=ESWProj_Base/ESWProj_DebugControlsMenu/somepath/__init__.py I did git rm -r oldFolderName and git add newFolderName and I don't see old git history in my project. At least my project is not l...
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dealloc in Swift

...t new in iOS 9 that NSNotificationCenter no longer needs to be cleaned up! https://developer.apple.com/library/content/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_11Notes NSNotificationCenter In OS X 10.11 and iOS 9.0 NSNotificationCenter and NSDistributedNotificationCenter will ...