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Mongoimport of json file

... to add "" to the json file location to import it. D:\>mongoimport --db testimport --collection small_zip < D:\Dev\test test\small_zips.json The system cannot find the file specified. This works D:\>mongoimport --db testimport --collection small_zip < "D:\Dev\test test\small_zips.json" ...
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What are all the uses of an underscore in Scala?

...ses of the underscore is Scala _ [underscore] magic. Examples: def matchTest(x: Int): String = x match { case 1 => "one" case 2 => "two" case _ => "anything other than one and two" } expr match { case List(1,_,_) => " a list with three element and the first elem...
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Check if a given key already exists in a dictionary

I wanted to test if a key exists in a dictionary before updating the value for the key. I wrote the following code: 16 Answ...
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Why does Node.js' fs.readFile() return a buffer instead of string?

I'm trying to read the content of test.txt (which is on the same folder of the Javascript source) and display it using this code: ...
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Testing the type of a DOM element in JavaScript

Is there a way to test the type of an element in JavaScript? 7 Answers 7 ...
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Where is array's length property defined?

...tuff = stuff; } } public static void main(String[] args) { int[] test = new int[5]; test[0] = 2; test[1] = 33; System.out.println("Length of int[]:\t" + test.length); String[] test2 = new String[5]; test2[0] = "2"; test2[1] = "33"; System.out.println("Lengt...
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Where is the list of predefined Maven properties

...ow the XPath as a . delimited property. So, for example: ${project.build.testOutputDirectory} == ${project.build.directory}/test-classes And: ${project.build.directory} == ${project.basedir}/target Thus combining them, we find: ${project.build.testOutputDirectory} == ${project.basedir}/tar...
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How to quickly check if folder is empty (.NET)?

... As always, you are fastest off the trigger! Beat me by a few seconds there! :-) – Cerebrus Apr 16 '09 at 10:55 ...
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In the shell, what does “ 2>&1 ” mean?

... echo test > afile.txt redirects stdout to afile.txt. This is the same as doing echo test 1> afile.txt To redirect stderr, you do: echo test 2> afile.txt >& is the syntax to redirect a stream to another file...
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Dashed line border around UIView

...resolution like suppose your normal image size is 120x120 and it's name is test.png then create another two image with name test@2x.png and test@3x.png with size of 240x240 and 360x360 which is used in all the apple device automatically with it's related name. (i.e. test.png is use in iPhone 4, test...