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How do you copy the contents of an array to a std::vector in C++ without looping?
...
@Drew: yes, you can, at least in C. It is defined that &expr doesn't evaluate expr, it only computes the address of it. And a pointer one past the last element is perfectly valid, too.
– Roland Illig
May 27...
round() for float in C++
...oat roundf(x)
{
int signbit;
__uint32_t w;
/* Most significant word, least significant word. */
int exponent_less_127;
GET_FLOAT_WORD(w, x);
/* Extract sign bit. */
signbit = w & 0x80000000;
/* Extract exponent field. */
exponent_less_127 = (int)((w & 0x7f800000) >>...
What's so bad about Template Haskell?
...documented. (Although I just looked again and it seems that things are at least marginally better now.) Also, to understand template-haskell, you essentially have to understand the Haskell language grammar, which imposes a certain amount of complexity (it's no Scheme). These two things contribute...
How to get Linux console window width in Python
...t on the standard python library, you should provide its source code or at least a link to it.
– nosklo
Feb 19 '09 at 19:22
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What is a regular expression which will match a valid domain name without a subdomain?
...cters, does not start or end with '-'.
Now append '.' to it and repeat at least one time:
(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+
Then attach final segment, which is 2-63 characters long:
[a-z0-9][a-z0-9-]{0,61}[a-z0-9]
Test it here: http://regexr.com/3au3g
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Nested or Inner Class in PHP
...hp.net/rfc/nested_classes
class foo {
public class bar {
}
}
At least, anonymous classes made it into PHP 7
https://wiki.php.net/rfc/anonymous_classes
From this RFC page:
Future Scope
The changes made by this patch mean named nested classes are easier to implement (by a tiny bit).
So, w...
How do you use “git --bare init” repository?
...ave the same effect than this only one: git --bare init test_repo.git At least with my current git version (1.8.2.2)
– Fran Marzoa
Oct 9 '14 at 19:31
1
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How do I list all cron jobs for all users?
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@KyleBurton There seem to at least 8 gists already copying this, gist.github.com/gists/…
– Zitrax
Oct 2 '12 at 13:47
9
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Suppress Scientific Notation in Numpy When Creating Array From Nested List
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can you at least provide a summary of what it does?
– Charlie Parker
Jul 6 '17 at 19:07
4
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How to log cron jobs?
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There are at least three different types of logging:
The logging BEFORE the program is executed, which only logs IF the
cronjob TRIED to execute the command. That one is located in
/var/log/syslog, as already mentioned by @Matthew Lock....