大约有 23,000 项符合查询结果（耗时：0.0417秒） [XML]
How does C compute sin() and other math functions?
..., this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible...
How to change port number for apache in WAMP
...
vishal_gvishal_g
3,64944 gold badges1616 silver badges3232 bronze badges
...
How to define a circle shape in an Android XML drawable file?
...droid:width="200dp"
android:height="200dp"
android:viewportHeight="64"
android:viewportWidth="64">
<path
android:fillColor="#ff00ff"
android:pathData="M22,32
A10,10 0 1,1 42,32
A10,10 0 1,1 22,32 Z" />
</vector>
The above xml renders ...
How do I debug Node.js applications?
...
"Since version 6.3, Node.js provides a buit-in DevTools-based debugger which mostly deprecates Node Inspector, see e.g. this blog post to get started. The built-in debugger is developed directly by the V8/Chromium team and provides certain advanced features (e.g. long/async stack ...
In Windows cmd, how do I prompt for user input and use the result in another command?
... stackoverflow.com/questions/19950620/… and stackoverflow.com/questions/664957/…
– Instantsoup
May 9 '16 at 22:02
...
How to undo a git pull?
...
ss64.com/ps/syntax-esc.html I think you have wanted to type HEAD@`{1`}, or for that matter do what works on POSIX shells too: 'HEAD@{1}'
– sehe
Feb 15 '13 at 15:38
...
vs.
...w-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe>
share
|
improve this answer
|
follow
...
How can I use UUIDs in SQLAlchemy?
...I totally agree with you. Some of the other answers are cool for other databases, but for postgres this is the cleanest solution. (You can also set a default as uuid.uuid4).
– pacha
Apr 10 '18 at 16:38
...
What is a reasonable length limit on person “Name” fields?
...e Marguerite LaFleche" (39-bytes-length).
– user1154664
Nov 3 '12 at 20:51
...
Where can I set environment variables that crontab will use?
...environment -- not done by cron (usually switches HOME)
. $HOME/.cronfile
base=`basename $0`
cmd=${REAL_HOME:-/real/home}/bin/$base
if [ ! -x $cmd ]
then cmd=${HOME}/bin/$base
fi
exec $cmd ${@:+"$@"}
(Written using an older coding standard - nowadays, I'd use a shebang '#!' at the start.)
The ...