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Read/Write String from/to a File in Android

... = new OutputStreamWriter(context.openFileOutput("config.txt", Context.MODE_PRIVATE)); outputStreamWriter.write(data); outputStreamWriter.close(); } catch (IOException e) { Log.e("Exception", "File write failed: " + e.toString()); } } Read File: private String...
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Does Java SE 8 have Pairs or Tuples?

... public static void main(String[] args) { boolean [][] directed_acyclic_graph = new boolean[][]{ {false, true, false, true, false, true}, {false, false, false, true, false, true}, {false, false, false, true, false, true}, ...
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Cannot use ref or out parameter in lambda expressions

... if (tokenDefinition.LeftDenotation != null) token._led = tokenDefinition.LeftDenotation(token); if (tokenDefinition.NullDenotation != null) token._nud = tokenDefinition.NullDenotation(token); token.Identifier = tokenDefinition.Identifi...
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How to cast List to List

...n also upcast to (List) instead of to (Object). – 200_success Feb 15 '16 at 11:12 add a comme...
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Ensure that HttpConfiguration.EnsureInitialized()

...elow for the correct way to handle this now. At the end of the Application_Start method in Global.Asax.cs try adding:- GlobalConfiguration.Configuration.EnsureInitialized(); share | improve this...
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What is SOA “in plain english”? [closed]

...nswered Jan 8 '10 at 9:50 this. __curious_geekthis. __curious_geek 40.1k2020 gold badges105105 silver badges132132 bronze badges ...
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Perform .join on value in array of objects

...ame: "Kevin", age: 24}, {name: "Peter", age: 21} ]; var result = _.pluck(users,'name').join(",") share | improve this answer | follow | ...
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How can I select rows with most recent timestamp for each key value?

...aster than other answers, at least in my case. – rain_ Sep 6 '17 at 7:51 @rain_ It really depends on the use case. The...
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?

...tion: lazy var didBecomeActive: (Notification) -> Void = { [weak self] _ in // Do stuff } If you require the actual notification be included, just replace the _ with notification. Next, we set up the notification to observe for the app becoming active. func setupObserver() { _ = Not...
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How do I encode and decode a base64 string?

....GetBytes(text)).TrimEnd('=').Replace('+', '-') .Replace('/', '_'); } public static string Decode(string text) { text = text.Replace('_', '/').Replace('-', '+'); switch (text.Length % 4) { case 2: text += "=="; ...