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Why use Ruby's attr_accessor, attr_reader and attr_writer?
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You may use the different accessors to communicate your intent to someone reading your code, and make it easier to write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
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end
Here, I can see that I may ...
Creating instance of type without default constructor in C# using reflection
...FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I found this class by using Reflector and digging through some of the core .Net serialization classes.
I tested it using the sample code below and it looks like it works great:
using System;
using ...
The difference between the 'Local System' account and the 'Network Service' account?
...ocess. This process creates a COM object. If the service runs under the 'Local System' account everything works fine, but if the service runs under the 'Network Service' account, the external process starts up but it fails to create the COM object. The error returned from the COM object creation is ...
Why declare unicode by string in python?
...high unicode characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string', it tells the Python compiler that the string is Unicode, not bytes. This is handled mos...
Git merge left HEAD marks in my files
...cess of merging, but there were some parts that Git couldn't merge automatically. You'll need to hand-edit those parts to what you want them to be and then commit the results.
For instance, in your particular case, you'd probably want to resolve it like this (note - the arrows/text on the right a...
Create a custom event in Java
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@GlassGhost: It was rejected because it was basically a total rewrite. Edits to someone else's answer are good if they fix typos and formatting and broken links and such, but they shouldn't radically change the content. (Some exceptions apply for posts ma...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
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This is a great question because it isolates something that should be easy but actually requires a lot of code.
To start off, write an abstract TypeAdapterFactory that gives you hooks to modify the outgoing data. This example uses a new API in Gson 2....
Ignore Xcode warnings when using Cocoapods
...owing error: undefined method `inhibit_all_warnings!' for #<Pod::Specification for MyApp(1.0)>
– KrauseFx
Nov 3 '12 at 21:27
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Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
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call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
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