大约有 40,000 项符合查询结果（耗时：0.0387秒） [XML]
How to find out the number of CPUs using python
...sched_getaffinity.
Therefore, if you use multiprocessing.cpu_count(), your script might try to use way more cores than it has available, which may lead to overload and timeouts.
We can see the difference concretely by restricting the affinity with the taskset utility, which allows us to control the ...
While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
...
How do I make curl ignore the proxy?
...n a shell like bash, export http_proxy=''; before a command (or in a shell script) would temporarily change its value.
(See curl's manual for all the variables it looks at, under the ENVIRONMENT heading.)
share
|
...
Batch file to delete files older than N days
...the current date.
update: I notice that HerbCSO has improved on the above script. I recommend using his version instead.
share
|
improve this answer
|
follow
...
Getting command-line password input in Python
...ork, but how can one be careful of a "hacker" that will make a copy of the script and then comment out the line that requires user password?
– asf107
Feb 8 '12 at 22:06
136
...
Save PL/pgSQL output from PostgreSQL to a CSV file
...is to do the file handling on the client side, i.e. in your application or script. The Postgres server doesn't need to know what file you're copying to, it just spits out the data and the client puts it somewhere.
The underlying syntax for this is the COPY TO STDOUT command, and graphical tools lik...
What is “above-the-fold content” in Google Pagespeed?
... @Joshua, I have done some thing for the "Eliminate render-blocking JavaScript and CSS in above-the-fold content" <noscript>...</noscript> . But only reflect on mobiles. Not in desktop. for this url winni.in/cake-delivery-in-bangalore
– Martin
Ja...
Early exit from function?
...
@dbme: Functions in JavaScript always return. The return statement is implicit if it hasn't been provided. The default return value is undefined, and that's what my primary solution provides. The article you referenced is talking about doing return ...
.prop() vs .attr()
...d Boolean property, which has existed and worked flawlessly in every major scriptable browser since 1995:
if (document.getElementById("cb").checked) {...}
The property also makes checking or unchecking the checkbox trivial:
document.getElementById("cb").checked = false
In jQuery 1.6, this unambi...
List all svn:externals recursively?
...
I used the answer of Wim Coenen and wrote the following script to create a list of all revisions:
getSvnRevs() {
cd "$1"
wcver="$(svnversion)"
[ -n "$wcver" ] || panic "Unable to get version for $wcdir"
echo "$1: $wcver"
svn propget svn:externals -R | while read a b c d...