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Bootstrap dropdown sub menu missing

...Mark Otto.. "Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed with 3.0" - https://github.com/twbs/bootstrap/pull/6342 But, with a little extra CSS you can get the same functionality. Bootstrap 4 (navbar submenu on hover) .navbar-n...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

... @DD: D'oh, fixed now. It needs 2 layers of indirection, not 1. – Adam Rosenfield Oct 20 '09 at 21:04 ...
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using facebook sdk in Android studio

... before Facebook offered Gradle build files for the distribution. I don't know in which version of the SDK they made that change. Facebook's instructions under "Import the SDK into an Android Studio Project" on their https://developers.facebook.com/docs/getting-started/facebook-sdk-for-android-usin...
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How can I tell if a DOM element is visible in the current viewport?

...eed to support version of Internet Explorer before 7. Original solution (now outdated): This will check if the element is entirely visible in the current viewport: function elementInViewport(el) { var top = el.offsetTop; var left = el.offsetLeft; var width = el.offsetWidth; var height = ...
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How to copy a selection to the OS X clipboard

...l pain, tried all workarounds and currently have to use spacemacs, when I know, that I'll have to use global clipboard :) – Nikolay Fominyh Feb 19 '17 at 19:26 ...
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GCM with PHP (Google Cloud Messaging)

...t i dont receive any message on the phone. I want to debug it, but i dont know why my $result is always empty... – Bertrand Jul 5 '12 at 11:49 9 ...
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Can dplyr package be used for conditional mutating?

... dplyr now has a function case_when that offers a vectorised if. The syntax is a little strange compared to mosaic:::derivedFactor as you cannot access variables in the standard dplyr way, and need to declare the mode of NA, but it ...
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Server polling with AngularJS

... Excellent, thanks. I didn't know you could put the callback there. That solved the spamming issue. I also moved the data assignment to inside the callback which solved the UI clearing problem. – Dave Dec 2 '12 at 17...
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How to install latest version of git on CentOS 7.x/6.x

... yum install gcc perl-ExtUtils-MakeMaker Step 2: Uninstall old Git RPM Now remove any prior installation of Git through RPM file or Yum package manager. If your older version is also compiled through source, then skip this step. # yum remove git Step 3: Download and Compile Git Source Downlo...
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How to turn on (literally) ALL of GCC's warnings?

...ike it, I turn off that warning specifically. The point is that you don't know about warnings that don't trigger, but you do know about warnings you don't want that do trigger, and they are easily turned off. – David Stone May 25 '14 at 3:34 ...