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What happens when a duplicate key is put into a HashMap?

... So if you don't assign the returned value when calling mymap.put("1", "a string"), it just becomes unreferenced and thus eligible for garbage collection. share | improve this answer | ...
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How to print colored text in Python?

... Print a string that starts a color/style, then the string, then end the color/style change with '\x1b[0m': print('\x1b[6;30;42m' + 'Success!' + '\x1b[0m') Get a table of format options for shell text with following code: def print_...
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Is using a lot of static methods a bad thing?

...llowing: public static class ResourceLoader { public static void Init(string _rootPath) { ... etc. } public static void GetResource(string _resourceName) { ... etc. } public static void Quit() { ... etc. } } public static class TextureManager { private static Dictionary<string,...
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How to override equals method in Java

...@param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here ArrayList<Person> people = new ArrayList<Person>(); people.add(new Person("Subash Adhikari", 28)); people.add(new Person("K", 28...
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How can I find the number of arguments of a Python function?

...signature(someMethod) Now, you can either view its parameters quickly by string it: str(sig) # returns: '(self, arg1, kwarg1=None)' or you can also get a mapping of attribute names to parameter objects via sig.parameters. params = sig.parameters print(params['kwarg1']) # prints: kwarg1=20 ...
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Read file data without saving it in Flask

...d file.stream.read(). Also you can use save argument with dst parameter as StringIO or other IO or file object to copy FileStorage.stream to another IO or file object. See documentation: http://flask.pocoo.org/docs/api/#flask.Request.files and http://werkzeug.pocoo.org/docs/datastructures/#werkzeug...
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How to read data From *.CSV file using javascript?

...r for accuracy. This code will work when your data.txt file is one long string of comma-separated entries, with no newlines: data.txt: heading1,heading2,heading3,heading4,heading5,value1_1,...,value5_2 javascript: $(document).ready(function() { $.ajax({ type: "GET", url:...
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Is the C# static constructor thread safe?

... for each T. } } EDIT: Here is the demonstration: static void Main(string[] args) { var obj = new Foo<object>(); var obj2 = new Foo<string>(); } public class Foo<T> { static Foo() { System.Diagnostics.Debug.WriteLine(String.Format("Hit {0}", typeof...
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?

...tabase) { this.database = database; } public void Add(string CustomerName) { database.AddRow("Customer", CustomerName); } } class Database { public void AddRow(string Table, string Value) { } } Example of loose coupling: class CustomerRepository {...
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How to shut down the computer from C#

...l", SetLastError=true) ] internal static extern bool LookupPrivilegeValue( string host, string name, ref long pluid ); [DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ] internal static extern bool AdjustTokenPrivileges( IntPtr htok, bool disall, ref TokPriv1Luid newst, int len, In...