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Is volatile expensive?

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Create unique constraint with null columns

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How to mark a build unstable in Jenkins when running shell scripts

... to the master. For example, if the Jenkins slave cannot create an HTTP or HTTPS connection back to the server. – Steve HHH Jul 5 '15 at 17:39 3 ...
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Logical operator in a handlebars.js {{#if}} conditional

... taking this one up a notch, for those of you who live on the edge. gist: https://gist.github.com/akhoury/9118682 Demo: Code snippet below Handlebars Helper: {{#xif EXPRESSION}} {{else}} {{/xif}} a helper to execute an IF statement with any expression EXPRESSION is a properly escaped String Ye...
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What is the difference between LL and LR parsing?

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How can I plot with 2 different y-axes?

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Catching an exception while using a Python 'with' statement

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Why am I getting error for apple-touch-icon-precomposed.png

... like me, you didn’t want to have to add these files to your Rails app: https://github.com/davidcelis/quiet_safari share | improve this answer | follow | ...
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How to programmatically display version/build number of target in iOS app?

..."CFBundleVersion") as! String It's included in this repo, check it out: https://github.com/goktugyil/EZSwiftExtensions share | improve this answer | follow ...
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What is the difference between atomic / volatile / synchronized?

...rticles to read: ( Above content is taken from these documentation pages) https://docs.oracle.com/javase/tutorial/essential/concurrency/sync.html https://docs.oracle.com/javase/tutorial/essential/concurrency/atomic.html https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/package...