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How to print color in console using System.out.println?

...you could define constants like these for the colors: public static final String ANSI_RESET = "\u001B[0m"; public static final String ANSI_BLACK = "\u001B[30m"; public static final String ANSI_RED = "\u001B[31m"; public static final String ANSI_GREEN = "\u001B[32m"; public static final String ANSI_...
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What exactly is an “open generic type” in .NET? [duplicate]

...e that is not an open type. Therefore T, List<T>, and Dictionary<string,T>, and Dictionary<T,U> are all open types (T and U are type arguments) whereas List<int> and Dictionary<string,int> are closed types. There's a related concept: An unbound generic type is a generi...
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Spring MVC: Complex object as GET @RequestParam

...ic void setId(Long[] id) { this.id = id; } // reflection toString from apache commons @Override public String toString() { return ReflectionToStringBuilder.toString(this, ToStringStyle.SHORT_PREFIX_STYLE); } } Request mapping inside controller class: @RequestMa...
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Custom Compiler Warnings

... I don't think there's something better). public class User { private String userName; [TooManyArgs] // Will show warning: Try removing some arguments public User(String userName) { this.userName = userName; } public String UserName { get { return us...
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How to write a Unit Test?

...input. Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) : Write a method, and above it add the @Test annotation. In the method, run your binary sum and assertEquals(expectedVal,cal...
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence

Android offers a variety of interfaces all related to text and strings: Spanned , SpannedString , Spannable , SpannableString and CharSequence . ...
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Why do we need boxing and unboxing in C#?

...off without implied boxing conversions. Casting a value type like List<string>.Enumerator to IEnumerator<string> yields an object which mostly behaves like a class type, but with a broken Equals method. A better way to cast List<string>.Enumerator to IEnumerator<string> wou...
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C# delete a folder and all files and folders within that folder

... Read the Manual: Directory.Delete Method (String, Boolean) Directory.Delete(folderPath, true); share | improve this answer | follow ...
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Where in memory are my variables stored in C?

...t; data (correct) constant data types -----> code and/or data. Consider string literals for a situation when a constant itself would be stored in the data segment, and references to it would be embedded in the code local variables(declared and defined in functions) --------> stack (correct) va...
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How can I filter a Django query with a list of values?

... @OmkarDeshpande No – DylanYoung Nov 8 '18 at 16:47 @Dy...