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JSON Array iteration in Android/Java

...or iterator() { return this.myArrayList.iterator(); } This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArr...
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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]

... Guava has a method that does something similar called MoreObjects.firstNonNull(T,T). Integer x = ... int y = MoreObjects.firstNonNull(x, -1); This is more helpful when you have something like int y = firstNonNull(calculateNullableValue(), -1); since it saves you from...
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Is the 'override' keyword just a check for a overridden virtual method?

... And what would an explicit class definition do? Never heard about that at all. – Christian Rau Aug 13 '13 at 9:21 18 ...
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Execute raw SQL using Doctrine 2

...on()->prepare($sql); $stmt->execute(); return $stmt->fetchAll(); } share | improve this answer | follow | ...
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What are the pros and cons of both Jade and EJS for Node.js templating? [closed]

... your HTML structure gets complicated, your code will look horrible (especially tables). Sometimes, I don't even know what level I am at table thead tr td a img tr td tbody tr td Recently, I made a switch to EJS and I am happy with it so far. It...
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How to delete a certain row from mysql table with same column values?

... Thank you Juergen. This is all I need! – Dani Aug 22 '13 at 10:59 3 ...
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How can I set response header on express.js assets

...anyone is still having issues or just doesn't want to add another library. All you have to do is place this middle ware line of code before your routes. Cors Example app.use((req, res, next) => { res.append('Access-Control-Allow-Origin', ['*']); res.append('Access-Control-Allow-Met...
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What are the differences between .gitignore and .gitkeep?

...ack empty directories in Git have created the convention of putting files called .gitkeep in these directories. The file could be called anything; Git assigns no special significance to this name. There is a competing convention of adding a .gitignore file to the empty directories to get them track...
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cannot load such file — bundler/setup (LoadError)

... It could be that there was a previous Ruby env installed on your system prior to your installation of 2.0? This might have had an existing GEM_PATH that lead to the /1.8 directory which the installation of version 2.0 simply kept. The problem you where likely having, then, ...
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How to get month name from Calendar

...as changed in JDK 8, so getMonths method doesn't return correct values for all Locale's anymore: oracle.com/technetwork/java/javase/… – ahaaman Apr 10 '14 at 12:32 ...