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Fastest way to check if a string is JSON in PHP?

I need a really, really fast method of checking if a string is JSON or not. I feel like this is not the best way: 30 Answer...
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Is Java really slow?

...my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (includ...
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Finding duplicates in O(n) time and O(1) space

... This is amazing! I've seen a number of variants on this question, usually more constrained, and this is the most general way to solve it that I've seen. I'll simply mention that changing the print statement to print i turns this into a solution to stackoverflow.com/questions/5249985/… and (...
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?

...ou have any sort of algorithm that deals with multiple nested or iterated calls to range-based constructions, which chain naturally. By contrast, using a doubly-closed range would incur off-by-ones and extremely unpleasant and noisy code. For example, consider a partition [n0, n1)[n1, n2)[n2,n3). An...
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Method chaining - why is it a good practice, or not?

... object methods returning the object itself in order for the result to be called for another method. Like this: 18 Answers ...
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How do you create a dropdownlist from an enum in ASP.NET MVC?

...rn new SelectList(values, "Id", "Name", enumObj); } } } This allows you to write: ViewData["taskStatus"] = task.Status.ToSelectList(); by using MyApp.Common share | improve this ans...
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Find Oracle JDBC driver in Maven repository

...(note I pulled the groupId, artifactId and version from the POM): mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc14 \ -Dversion=10.2.0.3.0 -Dpackaging=jar -Dfile=ojdbc.jar -DgeneratePom=true The last parameter for generating a POM will save you from pom.xml warnings If your...
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How to Rotate a UIImage 90 degrees?

...nt to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get an error: ...
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Is it possible to display inline images from html in an Android TextView?

..."><br/>and<br/>" + "<img src=\"http://www.hdwallpapersimages.com/wp-content/uploads/2014/01/Winter-Tiger-Wild-Cat-Images.jpg\">"; String imgs="<p><img alt=\"\" src=\"http://images.visitcanberra.com.au/images/canberra_hero_image.jpg\" style=\"height:50px;...
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Check if pull needed in Git

... remote are the same. git show-branch *master will show you the commits in all of the branches whose names end in 'master' (eg master and origin/master). If you use -v with git remote update (git remote -v update) you can see which branches got updated, so you don't really need any further command...