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Logical Operators, || or OR?
... no "better" but the more common one is ||. They have different precedence and || would work like one would expect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigned to $e
// Acts like: ($e = (false || true...
Is a URL allowed to contain a space?
...he space
character is unsafe because significant spaces may disappear and
insignificant spaces may be introduced when URLs are transcribed or
typeset or subjected to the treatment of word-processing programs.
The characters "<" and ">" are unsafe because they are used as th...
NTFS performance and large volumes of files and directories
How does Windows with NTFS perform with large volumes of files and directories?
7 Answers
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Why call git branch --unset-upstream to fixup?
...topress is not under any development since 2011, it serves my purpose well and so I haven't thought of changing anything so far.
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What is the idiomatic Go equivalent of C's ternary operator?
In C/C++ (and many languages of that family), a common idiom to declare and initialize a variable depending on a condition uses the ternary conditional operator :
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Why doesn't String switch statement support a null case?
...wondering why the Java 7 switch statement does not support a null case and instead throws NullPointerException ? See the commented line below (example taken from the Java Tutorials article on switch ):
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Check Whether a User Exists
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You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, as i...
Equals(=) vs. LIKE
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Different Operators
LIKE and = are different operators. Most answers here focus on the wildcard support, which is not the only difference between these operators!
= is a comparison operator that operates on numbers and strings. When comparing string...
Resizing SVG in html?
So, I have an SVG file in HTML, and one of the things I've heard about the format is that it doesn't get all pixelated when you zoom in on it.
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Is cout synchronized/thread-safe?
...ate locking. However, do things like cout get special treatment in the standard library?
4 Answers
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