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Ruby max integer

... Why did you subtract 2 bits instead of 1 for the sign? I tested this and it seems to be correct, but why does Ruby use 2 bits for the sign? – Matthias Feb 8 '12 at 15:46 ...
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How do I “source” something in my .vimrc file?

...urcing a file is 'executing' it. Essentially, each line of the file is considered a command. Sourcing it is the same as typing each command in order. You source with the command :source (usually shortened to :so). So if you source myStuff.vim :so myStuff.vim and if myStuff.vim contained these li...
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Convert Time from one time zone to another in Rails

... or you can just use hour ident now.in_time_zone(3) – fl00r Mar 24 '11 at 13:00 8 ...
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How can I iterate through the unicode codepoints of a Java String?

...r internal representations of Strings, and, yes, it encodes characters outside the Basic Multilingual Plane (BMP) using the surrogacy scheme. If you know you'll be dealing with characters outside the BMP, then here is the canonical way to iterate over the characters of a Java String: final int len...
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C#: Abstract classes need to implement interfaces?

...ly define those members with the abstract keyword: interface IFoo { void Bar(); } abstract class Foo : IFoo { public abstract void Bar(); } Or to put it another way: you don't have to "implement" it (which would be a terrible limitation on abstract classes); however, in C#, you do have t...
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Is there a way to define a min and max value for EditText in Android?

... First make this class : package com.test; import android.text.InputFilter; import android.text.Spanned; public class InputFilterMinMax implements InputFilter { private int min, max; public InputFilterMinMax(int min, int max) { this.min = min; this.max ...
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How to accept Date params in a GET request to Spring MVC Controller?

...DateFormatter is probably the way to go). In non-Boot Spring you can @Override the addFormatters method of WebMvcConfigurerAdapter and add your Formatter-implementing beans there. – UTF_or_Death Feb 17 '17 at 15:59 ...
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Label points in geom_point

... short of properly 'dodging', consider this hjust = -0.1 to get the printed labels ever so slightly away from the data point. – PatrickT Mar 3 '16 at 11:28 ...
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What does __FILE__ mean in Ruby?

...9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files: # test.rb puts __FILE__ require './dir2/test.rb' # dir2/test.rb puts __FILE__ Running ruby test.rb will output test.rb /full/path/to/dir2/test.rb ...
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Entity Framework .Remove() vs. .DeleteObject()

...is required (the FK doesn't allow NULL values) and the relationship is not identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject then). If you ...