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Execute a terminal command from a Cocoa app
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Daniel
81888 silver badges1313 bronze badges
answered Jan 5 '09 at 8:28
Gordon WilsonGordon Wilson
25.3k1...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.5601913
4 2000 4 -197.47797 -473.7137420
5 2000 5 -259.07928 -372.4563522
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How do I search an SQL Server database for a string?
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answered Feb 7 '12 at 23:56
Alex GordonAlex Gordon
48.5k265265 gold badges585585 silver badges956956 bronze badges
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How can I detect when the mouse leaves the window?
...avior on an html page. The solution below was tested on IE 8.0.6, FireFox 3.6.6, Opera 10.53, and Safari 4 on an MS Windows XP machine.
First a little function from Peter-Paul Koch; cross browser event handler:
function addEvent(obj, evt, fn) {
if (obj.addEventListener) {
obj.addEventLi...
How to use string.replace() in python 3.x
The string.replace() is deprecated on python 3.x. What is the new way of doing this?
8 Answers
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How to cancel/abort jQuery AJAX request?
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357
The jquery ajax method returns a XMLHttpRequest object. You can use this object to cancel the ...
How can I benchmark JavaScript code? [closed]
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37
Just time several iterations of each function. One iteration probably won't be enough, but (dep...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
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31 Answers
31
Active
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How to check version of python modules?
...lar package you're interested in:
Linux:
$ pip freeze | grep lxml
lxml==2.3
Windows:
c:\> pip freeze | findstr lxml
lxml==2.3
For an individual module, you can try the __version__ attribute, however there are modules without it:
$ python -c "import requests; print(requests.__version__)"
2.14...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...主机A 上执行命令
route add -host 172.16.110.80 gw 172.16.100.253
route add -host 172.16.110.80 gw 172.16.100.254
在主机B 上执行命令
route add -host 172.16.100.50 gw 172.16.100.253
route add -host 172.16.100.50 gw 172.16.100.254
执行ping 命令 可以通但是...