大约有 40,000 项符合查询结果（耗时：0.0318秒） [XML]
Git diff output to file preserve coloring
...@Gabe's answer.
You can pipe the output to an ansi to html converter bash script and direct that output to an html file:
git diff --color|./ansi2html.sh > changes.html
of course html can be viewed by any browser so output can be read in Windows etc.
ansi2html code is here: http://www.pixelbe...
Check if a user has scrolled to the bottom
...as per the documentation from MDN, the simplest way is by using native javascript properties:
element.scrollHeight - element.scrollTop === element.clientHeight
Returns true when you're at the bottom of any scrollable element. So simply using javascript:
element.addEventListener('scroll', functio...
Get the closest number out of an array
... = 112
print closest (number, array)
And, if you really need it in Javascript, see below for a complete HTML file which demonstrates the function in action:
<html>
<head></head>
<body>
<script language="javascript">
function closest (num...
Installing older version of R package
...
@Thomas I am going to try to run my script on Amazon EC2 to avoid the obvious local problems on my machine (library paths, versions of R vs versions of packages, compiling issues etc.)
– Antoine
Jul 16 '15 at 10:35
...
Why is require_once so bad to use?
...d, so we are already reaching a point thats noticeable to a human. If that script is called frequently it will cause performance issues on the system. Optimization is not a joke and the whole world is not turning around your PC. There are ten thousands of CPUs in use.
– John
...
PDO Prepared Inserts multiple rows in single query
...to create the $data array has 28 cols and is about 80,000 lines. The final script took 41s to complete.
Using array_push() to create $insert_values instead of array_merge() resulted in a 100X speed up with execution time of 0.41s.
The problematic array_merge():
$insert_values = array();
foreach(...
Wait for a process to finish
...
This bash script loop ends if the process does not exist, or it's a zombie.
PID=<pid to watch>
while s=`ps -p $PID -o s=` && [[ "$s" && "$s" != 'Z' ]]; do
sleep 1
done
EDIT: The above script was given below...
Allowed characters in Linux environment variable names
...ecial characters as a part of a variable name. However when one program or script (e.g. java or perl) initializes a variable with special characters in its name and calls another executable (a child process) the latter executable can access that variable without problems.
– o...
background function in Python
I've got a Python script that sometimes displays images to the user. The images can, at times, be quite large, and they are reused often. Displaying them is not critical, but displaying the message associated with them is. I've got a function that downloads the image needed and saves it locally. Rig...
How to change the default GCC compiler in Ubuntu?
...rnatives --query gcc, which might not work eg in an automated provisioning script. Also, how can this be made platform agnostic?
– ely
Jan 7 at 15:55
add a comment
...