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What is an initialization block?
... are two types of initialization blocks:
instance initialization blocks, and
static initialization blocks.
This code should illustrate the use of them and in which order they are executed:
public class Test {
static int staticVariable;
int nonStaticVariable;
// Static init...
How to avoid overflow in expr. A * B - C * D
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Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
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Underscore: sortBy() based on multiple attributes
...atient[0].roomNumber;
}).value();
When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first sortBy set to "Lisa, John".
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How to spawn a process and capture its STDOUT in .NET? [duplicate]
I need to spawn a child process that is a console application, and capture its output.
9 Answers
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How do CSS triangles work?
...ere're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle:
20...
What's the difference between integer class and numeric class in R
...t common of which are double (for double precision floating point numbers) and integer. R will automatically convert between the numeric classes when needed, so for the most part it does not matter to the casual user whether the number 3 is currently stored as an integer or as a double. Most math ...
Why does ConcurrentHashMap prevent null keys and values?
...s same ie, ambiguities. For example suppose one thread makes a key as null and stores a value against it. Then another thread changed another key to null. When second thread tries to add new value, it will be replaced. If second thread tries to get value, it will get the value for a different key, t...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...plain when to override configure(HttpSecurity) , configure(WebSecurity) and configure(AuthenticationManagerBuilder) ?
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How to discard all changes made to a branch?
I'm working in a branch (i.e. design ) and I've made a number of changes, but I need to discard them all and reset it to match the repository version. I thought git checkout design would do it, but it just tells me I'm already in branch design and that I have 3 modified files.
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How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command.
30 Answers
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