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If a folder does not exist, create it

... Use the below code as per http://forums.asp.net/p/1226236/2209871.aspx: string subPath ="ImagesPath"; // your code goes here bool exists = System.IO.Directory.Exists(Server.MapPath(subPath)); if(!exists) System.IO.Directory.CreateDirectory(Server.MapPath(subPath)); ...
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How to print a stack trace in Node.js?

...ke the current Node version does. Note: if the exception is created as a string like throw "myException", it's not possible to retrieve the stack trace and logging e.stack yields undefined. To be safe, you can use console.error(e.stack || e); and it will work for old and new Node.js versions....
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“To Do” list before publishing Android app to market [closed]

... or report some bug. Ask your users to translate your app by providing the strings.xml somewhere on the web like Crowdin. Try your app on each Android version with the emulator -> many bugs or design issues will be detected this way. For this, you can use the provided emulator, or use Genymotion ...
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How to change CSS using jQuery?

...ices as to what the arguments can be. They can either be 2 comma separated strings representing a css property and its value, or it can be a Javascript object containing one or more key value pairs of CSS properties and values. In conclusion the only thing wrong with your code is a missing }. The l...
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Get Element value with minidom with Python

... nodeName: tspan nodeValue: None childNodes: [<DOM Text node "'MY STRING'">] nodeName: #text nodeValue: MY STRING childNodes: () nodeName: text nodeValue: None childNodes: [<DOM Element: tspan at 0x10392c800>] nodeName: tspan nodeValue: None childNodes: [...
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What is the syntax rule for having trailing commas in tuple definitions?

... That's a simple answer. a = ("s") is a string and a = ("s",) is a tuple with one element. Python needs an additional comma in case of one element tuple to, differentiate between string and tuple. For example try this on python console: a = ("s") a = a + (1,...
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Add a new line in file?

I want to add a new line after a string is inserted. 2 Answers 2 ...
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Is there a common Java utility to break a list into batches?

...h, n == fullChunks ? size : (n + 1) * length)); } public static void main(String[] args) { List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14); System.out.println("By 3:"); batches(list, 3).forEach(System.out::println); System.out.println("B...
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Create a dictionary with list comprehension

...er and its corresponding position in english alphabet >>> import string >>> dict1 = {value: (int(key) + 1) for key, value in enumerate(list(string.ascii_lowercase))} >>> dict1 {'a': 1, 'c': 3, 'b': 2, 'e': 5, 'd': 4, 'g': 7, 'f': 6, 'i': 9, 'h': 8, 'k': 11, 'j': 10, 'm'...
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Removing duplicate objects with Underscore for Javascript

...: "1" } ]; var x = _.uniq( _.collect( foo, function( x ){ return JSON.stringify( x ); })); console.log( x ); // returns [ { "a" : "1" }, { "b" : "2" } ] share | improve this answer |...