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Imitate Facebook hide/show expanding/contracting Navigation Bar

...S; Works for me. If your coding in swift you have to use this way (from https://stackoverflow.com/a/27662702/2283308) navigationController?.hidesBarsOnSwipe = true share | improve this answer ...
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Are unused CSS images downloaded?

...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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How to unmount a busy device

...s open for writing on the original as each mounted instance is # checked. https://unix.stackexchange.com/a/386570/143394 # So, avoid remount, and bind mount instead: sudo mount -o bind,ro "$original" "$original_duplicate" # Don't propagate/mirror the empty directory just about hide the original su...
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Git interoperability with a Mercurial Repository

...ble, and that's it, no dependencies (other than Mercurial): git clone hg::https://www.mercurial-scm.org/repo/hg/ You should be able to push and pull from it as if it was a native Git repository. When you push new Git branches, Mercurial bookmarks will be created for them. See the git-remote-hg ...
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How to validate an email address in PHP

... Answered this in 'top question' about emails verification https://stackoverflow.com/a/41129750/1848217 For me the right way for checking emails is: Check that symbol @ exists, and before and after it there are some non-@ symbols: /^[^@]+@[^@]+$/ Try to send an email to...
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Most efficient way to increment a Map value in Java

... A little research in 2016: https://github.com/leventov/java-word-count, benchmark source code Best results per method (smaller is better): time, ms kolobokeCompile 18.8 koloboke 19.8 trove 20.8 fastutil 22...
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Is it possible to use a div as content for Twitter's Popover

... input. What you want to do is load the object itself into the popover. https://jsfiddle.net/shrewmouse/ex6tuzm2/4/ HTML: <h1> Test </h1> <div><button id="target">click me</button></div> <!-- This will be the contents of our popover --> <div class=...
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Can I have multiple Xcode versions installed?

...s evangelist have the full details (Apple dev username/password required): https://devforums.apple.com/message/40847#40847 Then grab yourself a custom icon for the Beta version of XCode you're using, so you can tell them apart in the dock: http://iphonedevelopment.blogspot.com/2009/03/multiple-deve...
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Mac OS X - EnvironmentError: mysql_config not found

...es you making a few changes step 1: Download MySql if not already done so https://dev.mysql.com/downloads/ Step 2: Locate it relative to Macintosh HD and cd /usr/local/mysql/bin Step 3: Once there open terminal and use a text editor of choice - I'm a neovim guy myself so I typed (doesn't autom...
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Using the HTML5 “required” attribute for a group of checkboxes?

...th === 0 ? 'Choose one' : ''); } $('#submit').click(verifyPaymentType); https://jsfiddle.net/oywLo5z4/ share | improve this answer | follow | ...