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How to export collection to CSV in MongoDB?

...commit/586c00ef09c32c77907bd20d722049ed23065398 fixes the docs for 3.0.0-rc10 and later. It changes Fields string `long:"fields" short:"f" description:"comma separated list of field names, e.g. -f name,age"` to Fields string `long:"fields" short:"f" description:"comma separated list of field nam...
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How to combine paths in Java?

... newPath = path.resolve(childPath); While the NIO2 Path class may seem a bit redundant to File with an unnecessarily different API, it is in fact subtly more elegant and robust. Note that Paths.get() (as suggested by someone else) doesn't have an overload taking a Path, and doing Paths.get(path.t...
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no new variables on left side of :=

...d := can't be used with _? e.g. _ := someFunc() – stt106 Mar 10 '19 at 8:34 add a comment ...
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How to disable scrolling in UITableView table when the content fits on the screen

... the table fits on the screen, I'd like to disable scrolling, to make it a bit cleaner. But if the table goes off the screen (when rows are later added to it), I'd like to enable scrolling again (because otherwise you can't see that content.) ...
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json_encode/json_decode - returns stdClass instead of Array in PHP

...t of the encoded JSON, I've extended the example the OP is giving a little bit: $array = array( 'stuff' => 'things', 'things' => array( 'controller', 'playing card', 'newspaper', 'sand paper', 'monitor', 'tree' ) ); $arrayEncoded = json_encode($array); echo $arrayEncoded; /...
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JUnit 4 compare Sets

... are several solutions for that presented in the other answers. Sets are a bit unfortunate for this, anyway, since they ignore the order. Perhaps ArrayList? – Hans-Peter Störr May 24 '17 at 15:46 ...
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How to run Rails console in the test environment and load test_helper.rb?

... Enable ruby-debugging for the console. It's the [environment] bit. share | improve this answer | follow | ...
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How to implement history.back() in angular.js

... I've changed the example a bit. Now there are two buttons (back and forward). It uses jQuery now, which means scope.$apply() is needed on click. – asgoth Dec 28 '12 at 14:24 ...
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How to read environment variables in Scala

... 100 It's probably better practice to use sys.env.get("VARIABLE") which will give you an Option[String] rather than throw an error if that vari...
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':app:lintVitalRelease' error when generating signed apk

...e issue when creating signed apk from android studio. I just change little bit change on build.gradle file inside android {} lintOptions { checkReleaseBuilds false abortOnError false } share | ...