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Comparing strings with == which are declared final in Java
...g" will give you true, because string literals are interned.
From JLS §4.12.4 - final Variables:
A variable of primitive type or type String, that is final and initialized with a compile-time constant expression (§15.28), is called a constant variable.
Also from JLS §15.28 - Constant Expre...
Replace a value if null or undefined in JavaScript
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Here’s the JavaScript equivalent:
var i = null;
var j = i || 10; //j is now 10
Note that the logical operator || does not return a boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
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Creating instance of type without default constructor in C# using reflection
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I originally posted this answer here, but here is a reprint since this isn't the exact same qu...
Notepad++: How to automatically set Language as Xml when load files
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You can do this by using the Style Configurator (Settings Menu):
This image shows the php lan...
How to use filter, map, and reduce in Python 3
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edited Jun 20 at 9:12
community wiki
nha...
Why does SIGPIPE exist?
... can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing something?
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How can I pad an integer with zeros on the left?
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16 Answers
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Nested rows with bootstrap grid system?
I want 1 larger image with 4 smaller images in a 2x2 format like this:
2 Answers
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Escape a string for a sed replace pattern
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14 Answers
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