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Pinging servers in Python
...ng
It is pretty simple to use, however, when using this module, you need root access due to the fact that it is crafting raw packets under the hood.
import pyping
r = pyping.ping('google.com')
if r.ret_code == 0:
print("Success")
else:
print("Failed with {}".format(r.ret_code))
...
Kill detached screen session [closed]
... (10/04/2012 08:40:45 AM) (Detached)
1 Socket in /var/run/screen/S-root.
Kill screen session:
screen -S 23536 -X quit
share
edited Jan 10 '13 at 12:43
...
Where do I put image files, css, js, etc. in Codeigniter?
... One better might be to have a your assets folder in the web root (mine is public_html) folder and then CI in a directory above the web root.
– Nate Nolting
Aug 7 '14 at 21:39
...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时行情
上面简单讲解了RTD函数的基本原理，接下来演示如何通过Excel RTD来实现从Google Fiancial API中获取实时行情并刷新数据，Google Financal API，提供了世界各大交易所的实时行情数据，其支持的市场及时效性在其官网上有说明，...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...快的返回一个value，这个号称查找速度最快的数据结构是如何实现的呢？看下hashmap的内部结构：
如果我们需要得到key对应的value，需要经过这些计算，传入key，计算key的hashcode，得到7的位置；发现7位置对应的value还有好几个，...
AngularJS access parent scope from child controller
...other controllers, you can install a "hook" to the global scope:
function RootCtrl($scope) {
$scope.root = $scope;
}
Then in any child controller, you can access the "global" scope with $scope.root. Anything you set here will be globally visible.
Example:
function RootCtrl($scope) {
...
How do you create a daemon in Python?
...g a well-behaved daemon process:
prevent core dumps (many daemons run as root, and core dumps can contain sensitive information)
behave correctly inside a chroot gaol
set UID, GID, working directory, umask, and other process parameters appropriately for the use case
relinquish elevated suid, sgid ...
How to get an absolute file path in Python
...
@coanor ? Without an explicit root, mydir/myfile.txt implicitly refers to a path inside the current working directory as is therefore equivalent to ./mydir/myfile.txt. That might not be the path you intended to input, but it seems like the correct interpr...
How to make inline functions in C#
...scoping and don't worry about performance.
"Premature optimization is the root of all evil (or at least most of it) in programming."
-- Donald Knuth
"A program that doesn't run correctly doesn't need to run fast"
-- Me
sh...
Install tkinter for Python
...
If, like me, you don't have root privileges on your network because of your wonderful friends in I.S., and you are working in a local install you may have some problems with the above approaches.
I spent ages on Google - but in the end, it's easy.
Do...