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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...终于找到了，原来使用Eclipse进行OpenGL开发，还需要另外下载OpenGL插件，如下图：
这里有OpenGL的类库，还有一个示例，把类库下载下来，解压，放到Eclipse的Plugin目录下，然后在我们的项目中添加依赖项，就可以看到我们需要...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
... C++ 接口，用于执行文件系统操作。可以从 Boost 站点免费下载此库。
使用 boost::filesystem 的第一个程序
在深入研究 Boost Filesystem Library 的更多细节之前，请看一下清单 1 中所示的代码；此代码使用 Boost API 确定某个文件的类型是...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...《App Inventor 2 MQTT拓展入门（保姆级教程）》
最新版拓展下载：
de.ullisroboterseite.ursai2pahomqtt.aix
MQTT（Message Queuing Telemetry Transport：消息队列遥测传输）
MQTT 发明于 1999 年，为物联网设计的轻量级协议，基于TCP协议实现。
M...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...
As expected, the output is blank. Now let's start a web server:
sudo python3 -m http.server 500
Now, here is the output of running netstat again:
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:500 0.0.0.0:* ...
What's the best way of scraping data from a website? [closed]
...is using python-requests (built on top of urllib2, it is urllib.request in Python3) and BeautifulSoup4, which has its methods to select elements and also permits CSS selectors:
import requests
from BeautifulSoup4 import BeautifulSoup as bs
request = requests.get("http://foo.bar")
soup = bs(request....
Python str vs unicode types
...n can be whatever it wants, including a non-standard one. In particular in python3+ unicode does use a non-standard internal representation that also changes depending on the data contained. As such it's not a standard encoding. Unicode as a text standard only defines codepoints which are an abstra...
UnicodeDecodeError when redirecting to file
...on 3):
% python2.7 -c "import sys; print sys.stdout.encoding" | cat
None
% python3.4 -c "import sys; print(sys.stdout.encoding)" | cat
UTF-8
The encoding of stdin, stdout and stderr can however be set through the PYTHONIOENCODING environment variable, if needed:
% PYTHONIOENCODING=UTF-8 python2.7 -...
Fastest way to list all primes below N
... Would be great if these functions and timings could be updated for python3.
– cs95
Nov 12 '18 at 5:22
|
show 25 more comments
...
How to “perfectly” override a dict?
...) "
"and value should be iterable")
Note: tested only in python3
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
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