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Is it possible to get element from HashMap by its position?

...rieve by position, convert the values into an ArrayList. LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap<String,String>(); /* Populate */ linkedHashMap.put("key0","value0"); linkedHashMap.put("key1","value1"); linkedHashMap.put("key2","value2"); /* Get by position */ int ...
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?

... What if you are passing something other than a string back? As in a POJO or other object? – mrshickadance Nov 18 '14 at 16:28 11 ...
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How to check if an object is serializable in C#

...] public class A { public B B = new B(); } public class B { public string a = "b"; } [Serializable] public class C { public D D = new D(); } [Serializable] public class D { public string d = "D"; } class Program { static void Main(string[] args) { var a = typeof(...
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Initializing C# auto-properties [duplicate]

...ore C# 6 came along. In C# 6 you can write: public class Foo { public string Bar { get; set; } = "bar"; } You can also write read-only automatically-implemented properties, which are only writable in the constructor (but can also be given a default initial value: public class Foo { publi...
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How do I detect what .NET Framework versions and service packs are installed?

...for: "Install"=dword:00000001 except for .NET 1.0, where the value is a string (REG_SZ) rather than a number (REG_DWORD). Determining the service pack level follows a similar pattern: Framework Version Registry Key ------------------------------------------------------------------------------...
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How can I find the first occurrence of a sub-string in a python string?

So if my string is "the dude is a cool dude". I'd like to find the first index of 'dude': 5 Answers ...
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Loop through files in a folder using VBA?

...unction LoopThroughFiles(inputDirectoryToScanForFile, filenameCriteria) As String Dim StrFile As String 'Debug.Print "in LoopThroughFiles. inputDirectoryToScanForFile: ", inputDirectoryToScanForFile StrFile = Dir(inputDirectoryToScanForFile & "\*" & filenameCriteria) Do Whi...
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AngularJS access scope from outside js function

... over it: github.com/angular/angular.js/wiki/When-to-use-$scope.$apply(). _If you are doing if (!$scope.$$phase) $scope.$apply() it's because you are not high enough in the call stack._ – scheffield Sep 29 '14 at 14:44 ...
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Running JAR file on Windows

... Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE). Or this: Open the Windows Explorer, from the Tools select 'Folder Options...' Click the File Types tab, scroll down and select JAR File type. Press the Advanced button. In the Edi...
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Converting many 'if else' statements to a cleaner approach [duplicate]

...ke this for each converter. Then you could set up a map like this: Map<String, Converter> mimeTypeMap = new HashMap<String, Converter>(); mimeTypeMap.put("audio/mpeg", new MpegConverter()); Then your convertToMp3 method becomes like this: Converter converter = mimeTypeMap.get(mimeTy...