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Get the IP address of the machine
...hould be the same below.
I've done a quick example below which will print all of the machine's IPv4 address, (you should also check the getifaddrs was successful ie returns 0).
I've updated it show IPv6 addresses too.
#include <stdio.h>
#include <sys/types.h>
#include <ifaddr...
虚拟摇杆使用指导 · App Inventor 2 中文网
...摇杆），用悬浮窗：
把摇杆放进一个水平布局 水平布局_摇杆（设计器里可以把它设为不可见），悬浮窗的可拖动设为假，
否则拖摇杆时会把整个悬浮窗拖走：
when Screen1.Initialize() {
悬浮窗1.Draggable = false
悬浮窗1.StartPosition =...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
What are all the common undefined behaviours that a C++ programmer should know about?
11 Answers
...
What is the difference between buffer and cache memory in Linux?
...ed (thus the total page cache size is Cached + SwapCached). Linux performs all file I/O through the page cache. Writes are implemented as simply marking as dirty the corresponding pages in the page cache; the flusher threads then periodically write back to disk any dirty pages. Reads are implemented...
change text of button and disable button in iOS
...antage of the fact that they are passed in as an argument to the IBAction calls:
- (IBAction) triggerActionWithSender: (id) sender;
This can be bound to the button and you’ll get the button in the sender argument when the action is triggered. If that’s not enough (because you need to access t...
Pip freeze vs. pip list
...you are using a virtualenv, you can specify a requirements.txt file to install all the dependencies.
A typical usage:
$ pip install -r requirements.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
...
That is the ...
How do you unit test a Celery task?
...def add(x, y):
return x + y
And your test:
from nose.tools import eq_
def test_add_task():
rst = add.apply(args=(4, 4)).get()
eq_(rst, 8)
Hope that helps!
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How to detect the OS from a Bash script?
... and .bash_login files in version control so that I can use them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
...
Html.RenderPartial giving me strange overload error?
I made a test partial page named _Test.cshtml and put it in the same directory as my view that will be calling it, here it is:
...
How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
... edited Apr 25 at 9:45
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answered Nov 22 '13 at 15:10
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