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Select random lines from a file

... @MonaJalal nope just faster, since it doesn't have to compare lines at all. – rogerdpack May 15 '17 at 17:20 Does ...
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specify project file of a solution using msbuild

...and ')' with '_' in the folder name (GYP generated projects). I guess it's all the special characters are replaced with underscore. – Maxime Viargues Jun 13 '16 at 1:49 ...
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When is the @JsonProperty property used and what is it used for?

... As you know, this is all about serialize and desalinize an object. Suppose there is an object: public class Parameter { public String _name; public String _value; } The serialization of this object is: { "_name": "...", "_value": ".....
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Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”

...ollowed the Maven tutorial to the letter but I still can't get Maven installed on Windows. 16 Answers ...
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Getting attributes of a class

...gt;> inspect.getmembers(MyClass, lambda a:not(inspect.isroutine(a))) [('__class__', type), ('__dict__', <dictproxy {'__dict__': <attribute '__dict__' of 'MyClass' objects>, '__doc__': None, '__module__': '__main__', '__weakref__': <attribute '__weakref__' of 'MyClass' obje...
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What is the difference between __init__ and __call__?

I want to know the difference between __init__ and __call__ methods. 13 Answers ...
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What is the relative performance difference of if/else versus switch statement in Java?

...ic interface Action { void execute(String input); } And get hold of all implementations in some Map. You can do this either statically or dynamically: Map<String, Action> actions = new HashMap<String, Action>(); Finally replace the if/else or switch by something like this (leav...
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Docker how to change repository name or rename image?

...host OS and Docker version? I suspect that something about your Docker installation is modifying the tag instruction. – Andy Feb 18 '16 at 2:41 27 ...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this: $name = $_GET['name'] ?? 'john doe'; This is equivalent to $name = isset($_GET['name']) ? $_GET['name']:'john doe'...
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Difference between Repository and Service Layer?

... bool Delete(int id); T Get(int id); bool SaveChanges(); } and call Get(id). Repository layer exposes basic CRUD operations. Service layer exposes business logic, which uses repository. Example service could look like: public interface IUserService { User GetByUserName(string userNa...