大约有 14,000 项符合查询结果（耗时：0.0146秒） [XML]
Increasing the maximum number of TCP/IP connections in Linux
... cat /proc/sys/net/netfilter/nf_conntrack_max
You can use the following script to count the number of tcp connections to a given range of tcp ports. By default 1-65535.
This will confirm whether or not you are maxing out your OS connection limit.
Here's the script.
#!/bin/bash
OS=$(uname)...
How do I get the n-th level parent of an element in jQuery?
...
A faster way is to use javascript directly, eg.
var parent = $(innerdiv.get(0).parentNode.parentNode.parentNode);
This runs significantly faster on my browser than chaining jQuery .parent() calls.
See: http://jsperf.com/jquery-get-3rd-level-parent...
Check if element is visible in DOM
...e display style property. Just make sure that the element isn't fixed. A script to check this, if you have no position: fixed; elements on your page, might look like:
// Where el is the DOM element you'd like to test for visibility
function isHidden(el) {
return (el.offsetParent === null)
}
...
Get a list of URLs from a site [closed]
... a limit of 5000 links!..:( I'm looking for any free php sitemap generator script.
– Jenson M John
Aug 3 '13 at 10:25
14
...
Pinging servers in Python
...only be sent from processes running as root (in Windows, you must run this script as ‘Administrator’)."
– Ben Hyde
Jan 20 '17 at 19:05
1
...
How do I determine the current operating system with Node.js
I'm writing a couple of node shell scripts for use when developing on a platform. We have both Mac and Windows developers. Is there a variable I can check for in Node to run a .sh file in one instance and .bat in another?
...
Are braces necessary in one-line statements in JavaScript?
...the statement you will need them.
This is perfectly valid
if (cond)
alert("Condition met!")
else
alert("Condition not met!")
However it is highly recommended that you always use braces because if you (or someone else) ever expands the statement it will be required.
This same practice f...
process.env.NODE_ENV is undefined
...to install cross-env first: "npm install cross-env --save". Have that in a script in your package.json and you're good to go on both platforms.
– Antonio Brandao
Jun 9 '16 at 15:59
...
Access data in package subdirectory
...r data resources, as per this link:
http://docs.python.org/distutils/setupscript.html#installing-package-data
You can then re-find and use those files using pkg_resources, as per this link:
http://peak.telecommunity.com/DevCenter/PkgResources#basic-resource-access
import pkg_resources
DATA_PAT...
How can I find the current OS in Python? [duplicate]
....uname(),
platform.version(),
platform.mac_ver(),
))
The outputs of this script ran on a few different systems (Linux, Windows, Solaris, MacOS) and architectures (x86, x64, Itanium, power pc, sparc) is available here: https://github.com/hpcugent/easybuild/wiki/OS_flavor_name_version
e.g. Solaris ...