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self referential struct definition?
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@rimiro, the question was a C one. If you want the answer for a C++ variant, you should ask it as a question.
– paxdiablo
May 10 '18 at 13:12
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Authentication versus Authorization
What's the difference in context of web applications? I see the abbreviation "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both?
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Center a DIV horizontally and vertically [duplicate]
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After trying a lot of things I find a way that works. I share it here if it is useful to anyone. You can see it here working: http://jsbin.com/iquviq/30/edit
.content {
width: 200px;
height: 600px;
background-color: blue;
position: absolute; /*Can also be `fixed`...
Function to return only alpha-numeric characters from string?
...pt a-z, A-Z and 0-9:
$result = preg_replace("/[^a-zA-Z0-9]+/", "", $s);
If your definition of alphanumeric includes letters in foreign languages and obsolete scripts then you will need to use the Unicode character classes.
Try this to leave only A-Z:
$result = preg_replace("/[^A-Z]+/", "", $s);...
const char* concatenation
... hard coded array size. That's a really bad habit to get into, especially if you don't know what size "one" and "two" are.
– Paul Tomblin
Jan 3 '10 at 15:58
1
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Iterate through every file in one directory
... do something like this:
Dir.foreach('/path/to/dir') do |filename|
next if filename == '.' or filename == '..'
# Do work on the remaining files & directories
end
Dir::foreach and Dir::entries (as well as Dir::each_child and Dir::children) also include hidden files & directories. Often...
How to make the division of 2 ints produce a float instead of another int?
...y automatically cast to a float by the compiler because the rules say that if either operand is of floating point type then the operation will be a floating point operation, even if the other operand is integral. Java Language Specification, §4.2.4 and §15.17
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How to size an Android view based on its parent's dimensions
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I don't know if anyone is still reading this thread or not, but Jeff's solution will only get you halfway there (kinda literally). What his onMeasure will do is display half the image in half the parent. The problem is that calling super....
Using scp to copy a file to Amazon EC2 instance?
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Try specifying the user to be ec2-user, e.g.
scp -i myAmazonKey.pem phpMyAdmin-3.4.5-all-languages.tar.gz ec2-user@mec2-50-17-16-67.compute-1.amazonaws.com:~/.
See Connecting to Linux/UNIX Instances Using SSH.
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Can I use non existing CSS classes?
...ot CSS, so in your case the "target" class does in fact exist on those specific elements, and your markup is perfectly valid as it is.
This doesn't necessarily mean that you need to have a class declared in the HTML before you can use it in CSS either. See ruakh's comment. Whether or not a selector...