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How does “do something OR DIE()” work in PHP?
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PHP's or works like C's || (which incidentally is also supported by PHP - or just looks nicer and has different operator precedence - see this page).
It's known as a short-circuit operator because it will skip any evaluations once it has enough information to d...
Indentation in Go: tabs or spaces?
...which enforces it. This is uncommon, so try to bend your head around this idea and adopt go fmt. Note that there are even automated solutions (for instance, official Go plugin for Vim supports the :Fmt command, IIRC).
– kostix
Sep 30 '13 at 13:17
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Complex CSS selector for parent of active child [duplicate]
...e select is the subject:
The subject of the selector can be explicitly identified by prepending
a dollar sign ($) to one of the compound selectors in a selector.
Although the element structure that the selector represents is the
same with or without the dollar sign, indicating the subject ...
What is the difference between SIGSTOP and SIGTSTP?
...een them are:
SIGSTOP is a signal sent programmatically (eg: kill -STOP pid ) while SIGTSTP (for signal - terminal stop) may also be sent through the tty driver by a user typing on a keyboard, usually Control-Z.
SIGSTOP cannot be ignored. SIGTSTP might be.
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How do I check the operating system in Python?
...Windows...
sys.platform has finer granularity than sys.name.
For the valid values, consult the documentation.
See also the answer to “What OS am I running on?”
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When should iteritems() be used instead of items()?
...teritems was removed because dict.items now does the thing dict.iteritems did in python 2.x and even improved it a bit by making it an itemview.
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Which rows are returned when using LIMIT with OFFSET in MySQL?
...he first 8 results of the query. Then you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14, 15, 16....24, 25, 26 which are a total of 18 records.
Check this out.
And also the official documentation.
s...
Reason to Pass a Pointer by Reference in C++?
... answered Apr 20 '12 at 4:14
David Z.David Z.
5,16322 gold badges1717 silver badges1313 bronze badges
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Create a hexadecimal colour based on a string with JavaScript
...Usage:
stringToColour("greenish");
// -> #9bc63b
Example:
http://jsfiddle.net/sUK45/
(An alternative/simpler solution might involve returning an 'rgb(...)'-style colour code.)
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Java variable number or arguments for a method
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That's correct. You can find more about it in the Oracle guide on varargs.
Here's an example:
void foo(String... args) {
for (String arg : args) {
System.out.println(arg);
}
}
which can be called as
foo("foo"); // Single arg.
foo("foo", "bar"); // Multiple args.
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