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How to find a hash key containing a matching value

...ge", {"client_id"=>"2180"}]] Note that the result will be an array of all the matching values, where each is an array of the key and value. share | improve this answer | ...
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How to center an iframe horizontally?

... HTML: <div id="all"> <div class="sub">div</div> <iframe>ss</iframe> </div> CSS: #all{ width:100%; float:left; text-align:center; } div.sub, iframe { width: 100px; height: 50px;...
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How to sort an array based on the length of each element?

... Just to add an information. This snippet won't work for all the cases. – Arunkumar Srisailapathi Apr 10 '16 at 12:42 ...
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Format date to MM/dd/yyyy in JavaScript [duplicate]

... that's not actually MM/dd/yyyy. That's M/d/yyyy. Does your date need leading zeros? – Ray Wadkins Sep 25 '13 at 21:25 ...
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IOS 7 Navigation Bar text and arrow color

I want to set background for Navigation Bar to be black and all colors inside it to be white . 11 Answers ...
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How to make clang compile to llvm IR

...e correct where file extensions are concerned - and the clang frontend actually does the right thing if .bc is used; also, keep in mind that llvm-ld can act as frontend for the system toolchain, ie my previous answer using llvm-ld -native should work as expected.... – Christoph...
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12

... the crash you may need to setup a swap space for your micro instance. Actually performance wise is better to enable swap. Steps below show how to make a swap space for your Micro instance. I assume you have AWS Account with a Micro instance running. Run dd if=/dev/zero of=/swapfile bs=1M count=102...
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How to schedule a periodic task in Java?

...ook to Quartz it's a java framework wich works with EE and SE editions and allows to define jobs to execute an specific time share | improve this answer | follow ...
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How Can I Download a File from EC2 [closed]

... @gideon That definitively should work as expected (i.e. recursively copy all files from /srv/www/myapp/ to the local machine). Wild guess - are you running scp from your ec2 server perhaps? If yes, you need to run it from your local machine (i.e. the machine you want to copy files to). ...
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Omitting the second expression when using the if-else shorthand

...o an option: x==2 && dosomething(); dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting. It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach: if(x==2) dosomething(); You...