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C++ Singleton design pattern
...plementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real life example):
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Java naming convention for static final variables [duplicate]
there is a rule which says:
9 Answers
9
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What is boxing and unboxing and what are the trade offs?
I'm looking for a clear, concise and accurate answer.
8 Answers
8
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What is a raw type and why shouldn't we use it?
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What is a raw type?
The Java Language Specification defines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without ...
Best way to test for a variable's existence in PHP; isset() is clearly broken
From the isset() docs :
17 Answers
17
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What is the difference between localStorage, sessionStorage, session and cookies?
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This is an extremely broad scope question, and a lot of the pros/cons will be contextual to the situation.
In all cases, these storage mechanisms will be specific to an individual browser on an individual computer/device. Any ...
Why does += behave unexpectedly on lists?
The += operator in python seems to be operating unexpectedly on lists. Can anyone tell me what is going on here?
8 Answe...
What's the difference between the atomic and nonatomic attributes?
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The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang).
Assuming that you are @synthesizing the me...
Correct way to write line to file?
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This should be as simple as:
with open('somefile.txt', 'a') as the_file:
the_file.write('Hello\n')
From The Documentation:
Do not use os.linesep as a line terminator when writing files opened in text mode (the defaul...
Java: difference between strong/soft/weak/phantom reference
I have read this article about the topic, but I don't really understand it.
Please give me some advice along with examples when describing the concepts.
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