大约有 48,000 项符合查询结果(耗时:0.0626秒) [XML]
How to get numbers after decimal point?
...
does anyone know which would be the faster operation, this method described above, or: float b = a - int(a) ? i suspect the later, but wanted to see if there was confirmation
– hokkuk
Sep 8 '12 a...
Modulo operator with negative values [duplicate]
...
@KerrekSB It is defined now in C++11.
– Buge
Jul 31 '14 at 19:22
|
show 3 more comments
...
How to retrieve the first word of the output of a command in bash?
...
$ string="word1 word2"
$ set -- $string
$ echo $1
word1
$ echo $2
word2
now you can assign $1, or $2 etc to another variable if you like.
share
|
improve this answer
|
fo...
How do I check if string contains substring? [duplicate]
...
Good to know alternatives but using indexOf is faster. stackoverflow.com/questions/354110/…
– Blowsie
Feb 2 '12 at 15:55
...
convert string array to string
...pty, test) rather than using an empty-paranthesis.
– now he who must not be named.
Nov 11 '13 at 4:47
add a comment
|
...
Any good, visual HTML5 Editor or IDE? [closed]
...
UPDATE: Out of beta and first Bugfix-release, right now: aptana.com/products/studio3/releasenotes
– Jan
May 10 '11 at 14:48
...
While loop to test if a file exists in bash
...
When you say "doesn't work", how do you know it doesn't work?
You might try to figure out if the file actually exists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Ba...
How can I use “:” as an AWK field separator?
...e "-F" switch under the command line or within two brackets with "FS=...".
Now consider the answer of Jürgen:
echo "1: " | awk -F ":" '/1/ {print $1}'
Above the field, boundaries are set by ":" so we have two fields $1 which is "1" and $2 which is the empty space. After comes the regular expressi...
'python' is not recognized as an internal or external command [duplicate]
...,
"User")
Close PowerShell and then start it again to make sure Python now runs. If it doesn’t,
restart may be required.
share
|
improve this answer
|
follow
...
How should a model be structured in MVC? [closed]
...and view for a given request-response cycle.
Alteration of model's state
Now that you can access to the model layer in the controllers, you need to start actually using them:
public function postLogin(Request $request)
{
$email = $request->get('email');
$identity = $this->identific...
