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How to clone an InputStream?

... If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream. Then you can obtain the associate...
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Logical operator in a handlebars.js {{#if}} conditional

... options.fn(this); } return options.inverse(this); }); You can then call the helper in the template like this {{#ifCond v1 v2}} {{v1}} is equal to {{v2}} {{else}} {{v1}} is not equal to {{v2}} {{/ifCond}} sha...
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Disable ONLY_FULL_GROUP_BY

I accidentally enabled ONLY_FULL_GROUP_BY mode like this: 26 Answers 26 ...
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Checkboxes in web pages – how to make them bigger?

The standard checkboxes rendered in most browsers are quite small and don’t increase in size even when a larger font is used. What is the best, browser-independent way to display larger checkboxes? ...
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Check if an array is empty or exists

...y" !== "array" typeof array == "undefined"; // => true Case Null Generally speaking, null is state of lacking a value. For example a variable is null when you missed or failed to retrieve some data. array = searchData(); // can't find anything array == null; // => true Case Not a...
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The application may be doing too much work on its main thread

...on may be doing too much work on its main thread.” So what does it actually means, why should you be concerned and how to solve it. What this means is that your code is taking long to process and frames are being skipped because of it, It maybe because of some heavy processing that you are d...
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What is the difference between the add and offer methods in a Queue in Java?

Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E) 8 Answe...
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Warning: push.default is unset; its implicit value is changing in Git 2.0

...n the docs, but I'll try to summarize: matching means git push will push all your local branches to the ones with the same name on the remote. This makes it easy to accidentally push a branch you didn't intend to. simple means git push will push only the current branch to the one that git pull wo...
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Android splash screen image sizes to fit all devices

...pi , and xhdpi ). My application is supposed to run good and beautiful on all phones and tablets. What sizes (in pixels) should I create so the splash displays nice on all screens? ...
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Is null an Object?

...is only an object if it is equal to or subclasses java.lang.Object. Practically - yes. You can't create a class that is not a subclass of java.lang.Object, but I never thought about it from a more philosophical point of view – Andreas Dolk Dec 12 '09 at 22:23 ...