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What is the size of an enum in C?
...eger type". Not necessarily int. short and long are integer types too, and whatever the implementation picks, all values must fit ("shall be capable of representing the values of all the members of the enumeration").
– user824425
Feb 18 '16 at 17:45
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JavaScript: Check if mouse button down?
...:
if(mouseDown){
// crikey! isn't she a beauty?
}
If you want to know what button is pressed, be prepared to make mouseDown an array of counters and count them separately for separate buttons:
// let's pretend that a mouse doesn't have more than 9 buttons
var mouseDown = [0, 0, 0, 0, 0, 0, 0, ...
When to use extern in C++
...urce files. For it to work, the definition of the x variable needs to have what's called “external linkage”, which basically means that it needs to be declared outside of a function (at what's usually called “the file scope”) and without the static keyword.
header:
#ifndef HEADER_H
#define...
Get the new record primary key ID from MySQL insert query?
...
yes but what if in the interim (between queries in the process list) some other row has been inserted? Is there any way to write the insert query so that it outputs this?
– Amy Neville
Jun 14 '1...
Why should text files end with a newline?
...nate files such that
it puts each file’s start on a new line, which is what you want 95% of the time; but
it allows merging the last and first line of two files, as in the example above between b.txt and c.txt?
Of course this is solvable but you need to make the usage of cat more complex (by a...
What is the “realm” in basic authentication
...on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header?
3 An...
Difference between == and === in JavaScript [duplicate]
What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?
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Is it possible to start a shell session in a running container (without ssh)
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What if I made changes while exec a running container and wanted to reflect the changes online? what is the best practices?
– mediaroot
Oct 3 '15 at 20:39
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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...dahlbyk I've gone ahead and marked you as the answer, but that comment somewhat confuses me. In your answer, you demonstrated that git was confused after git push origin test (which doesn't have -u). You then showed that git push -u origin test removes the ambiguity. Is there a typo, or am I just be...
MySQL offset infinite rows
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awfull answer, but thats is official from MySQL Doc. What i can say @_@
– GusDeCooL
Oct 19 '11 at 18:06
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