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Static Initialization Blocks
...ype you create.
Example:
public class Test {
static{
System.out.println("Static");
}
{
System.out.println("Non-static block");
}
public static void main(String[] args) {
Test t = new Test();
Test t2 = new Test();
}
}
This prints:
Static...
Why shouldn't Java enum literals be able to have generic type parameters?
...all provide a constant generic type binding. Hence there is no ambiguity about T in public T convert(Object);
– Lukas Eder
Nov 27 '10 at 9:42
...
What are the primary differences between TDD and BDD? [closed]
...st few years. Recently, I have heard grumblings in the ALT.NET community about BDD. What is it? What makes it different from TDD?
...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...
Even without the for(;;); how would the attacker get the data?
Attacks are based on altering the behaviour of the built-in types, in particular Object and Array, by altering their constructor function or its prototype. Then when the...
How to change the font size on a matplotlib plot
...people start with import matplotlib.pyplot as plt, you might like to point out that pyplot has rc as well. You can do plt.rc(... without having to change your imports.
– LondonRob
Jul 27 '15 at 15:55
...
What is your preferred php deployment strategy? [closed]
...much easier for PHP developers to modify for their needs.
Our deployment routine is as follows:
Everyone develops on the same local server at work, every developer has a checkout on his machine back home as well.
Commits trigger a post-commit hook which updates a staging server.
Tests are ran on ...
How do I empty an array in JavaScript?
...; // Reference arr1 by another variable
arr1 = [];
console.log(arr2); // Output ['a','b','c','d','e','f']
Method 2 (as suggested by Matthew Crumley)
A.length = 0
This will clear the existing array by setting its length to 0. Some have argued that this may not work in all implementations of Ja...
Sorting Python list based on the length of the string
...key function returns.
EDIT: Thanks to balpha and Ruslan below for pointing out that you can just pass len directly as the key parameter to the function, thus eliminating the need for a lambda:
xs.sort(key=len)
And as Ruslan points out below, you can also use the built-in sorted function rather than...
Is there a JavaScript / jQuery DOM change listener?
...be recorded.
attributeFilter
Set to a list of attribute local names (without namespace) if not all attribute mutations need to be observed.
(This list is current as of April 2014; you may check the specification for any changes.)
...
Exception.Message vs Exception.ToString()
...eption.ToString() . With the latter, you retain more crucial information about the error.
7 Answers
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