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How to implement Enums in Ruby?
...ying value that is important. Just declare a module to hold your constants and then declare the constants within that.
module Foo
BAR = 1
BAZ = 2
BIZ = 4
end
flags = Foo::BAR | Foo::BAZ # flags = 3
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
... It took them 8 major versions to implement something this basic and useful? Wish I could down-vote Java for this.
– Max Heiber
Feb 5 '16 at 20:15
1
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Java ByteBuffer to String
... (2018): The edited sibling answer by @xinyongCheng is a simpler approach, and should be the accepted answer.
Your approach would be reasonable if you knew the bytes are in the platform's default charset. In your example, this is true because k.getBytes() returns the bytes in the platform's default...
Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...First, let's see what this does:
Arrays.asList(ia)
It takes an array ia and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated ...
while (1) Vs. for (;;) Is there a speed difference?
...ase, but chances are the code inside of the loop is going to be a few thousand times more expensive than the loop itself anyway, so who cares?
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How to reset Django admin password?
I am using Django (version 1.3) and have forgotten both admin username and password. How to reset both?
21 Answers
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Multiline bash commands in makefile
...e a very comfortable way to compile my project via a few lines of bash commands. But now I need to compile it via makefile. Considering, that every command is run in its own shell, my question is what is the best way to run multi-line bash command, depended on each other, in makefile?
For example,...
Unit testing private methods in C#
...uccessfully, but it fails at runtime. A fairly minimal version of the code and the test is:
10 Answers
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What is the difference between Linq to XML Descendants and Elements
...ds in the VS IntelliSense. I tried to googling the difference between them and did not get a clear answer. Which one of these have the best performance with small to medium XML files. Thanks
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Write string to text file and ensure it always overwrites the existing content.
I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
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