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Copy a variable's value into another

...ginal code: var a = $('#some_hidden_var').val(), b = a; a and b are now two different names for the same object. Any change you make to the contents of this object will be seen identically whether you reference it through the a variable or the b variable. They are the same object. So, when ...
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)

... return timedelta(0) Then you can manually add the time zone info to utcnow(): >>> datetime.utcnow().replace(tzinfo=simple_utc()).isoformat() '2014-05-16T22:51:53.015001+00:00' Note that this DOES conform to the ISO 8601 format, which allows for either Z or +00:00 as the suffix for UT...
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?

...get a crash. This is because our storyboard file hasn’t been updated to know about the new class! So open up the Main.storyboard, select your ‘View Controller’ object in the scene (the left-hand side nav), and then select the Identity Inspector (right-hand side, third button.) From here let’...
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Should I use px or rem value units in my CSS? [closed]

... TL;DR: use px. The Facts First, it's extremely important to know that per spec, the CSS px unit does not equal one physical display pixel. This has always been true – even in the 1996 CSS 1 spec. CSS defines the reference pixel, which measures the size of a pixel on a 96 dpi displa...
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How do I tell git to always select my local version for conflicted merges on a specific file?

...nit Initialized empty Git repository in F:/prog/git/test/copyMerge/.git/ Now, let's make two files, which will both have conflicts, but which will be merged differently. echo a > dirWithConflicts\a.txt echo b > dirWithCopyMerge\b.txt git add -A git commit -m "first commit with 2 directories...
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.

... Now is 2016, I believe using LocalDate in Java 8 is the best solution that saves your time, another solution using Calendar and Date is full of trouble. – AnnieFromTaiwan Jul 6 '16 at 11...
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Traits in PHP – any real world examples/best practices? [closed]

Traits have been one of the biggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc. ...
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/etc/apt/sources.list" E212: Can't open file for writing

...udo vim FILE. Or if you don't want to leave your existing vim session (and now have proper sudo rights), you can issue: :w !sudo tee % > /dev/null Which will save the file. HTH share | improv...
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Setting PayPal return URL and making it auto return?

...ue = urlencode(stripslashes($value)); $req .= "&$key=$value"; } // Now Post all of that back to PayPal's server using curl, and validate everything with PayPal // We will use CURL instead of PHP for this for a more universally operable script (fsockopen has issues on some environments) //$ur...
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Conditionally start at different places in storyboard from AppDelegate

...roller, and all the associated VCs with tabBar are also designed in VC, so now I have a case, where I want to show walkthrough of my app, So now when my app is first launched, I want to make walkthrough VC as the root VC instead of tabBarcontroller and when my walkthrough finishes , I want to make t...