大约有 4,500 项符合查询结果（耗时：0.0175秒） [XML]
Popup弹出菜单扩展 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时间，但是有这么多状态要维护总是不好。
HTTP协议1.1版规定default行为是Keep-Alive，也就是会重用TCP连接传输多个 request/response，一个主要原因就是发现了这个问题。
也就是说HTTP的交互跟上面画的那个图是不一样的，关闭连...
Is it possible to print a variable's type in standard C++?
...compile time info (e.g. for debugging):
auto testVar = std::make_tuple(1, 1.0, "abc");
decltype(testVar)::foo= 1;
Returns:
Compilation finished with errors:
source.cpp: In function 'int main()':
source.cpp:5:19: error: 'foo' is not a member of 'std::tuple<int, double, const char*>'
...
boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Description: 简单C++，boost filesystem 指南
*
* Version: 1.0
* Created: 2009年08月17日 17时16分32秒
* Revision: none
* Compiler: gcc -Wall -Wextra filesystem.cpp -lboost_filesystem-mt
*
* Author: lgb (LiuGuangBao), easyeagel@gmx.com
...
Releasing memory in Python
... easiest way to create a child process is with concurrent.futures (or, for 3.1 and earlier, the futures backport on PyPI):
with concurrent.futures.ProcessPoolExecutor(max_workers=1) as executor:
result = executor.submit(func, *args, **kwargs).result()
If you need a little more control, use th...
Best Way to read rss feed in .net Using C#
...ger the url is currently "blogname.blogspot.com/feeds/posts/default" (Atom 1.0) and "blogname.blogspot.com/feeds/posts/default?alt=rss" for RSS 2.0. The SyndicationItem item has all the item properties you'll need. Just examine the object in the Visual Studio debugger and be illuminated.
...
What is the difference between a 'closure' and a 'lambda'?
...notherfunc's environment and can access variables inside of it. In Python 3.1+, mutation works too when using the nonlocal keyword.
Another important point - func will continue to close over anotherfunc's environment even when it's no longer being evaluated in anotherfunc. This code will also work...
what happens when you type in a URL in browser [closed]
...nation host and sends the request according to HTTP 1.1 (or might use HTTP 1.0, but normal browsers don't do it any more).
The server looks up the required resource (if it exists) and responds using HTTP protocol, sends the data to the client (=your browser)
The browser then uses HTML parser to re...
程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...批程序员给隔离了。老邓接手以后，重构代码，出了个2.0版，为了开发速度，遗留了一堆BUG没处理。人们纷纷质疑：是不是核心构架太单一，双核会不会好点？
42、一程序员家的水管坏了，他打电话叫来一个水管工修理。 水...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...0.68,
0.71, 0.74, 0.77, 0.80, 0.83, 0.86, 0.89, 0.92, 0.95, 0.98,
1.0, 1.06, 1.12, 1.18, 1.24, 1.30, 1.36, 1.42, 1.48, 1.54,
1.60, 1.66, 1.72, 1.78, 1.84, 1.90, 1.96, 2.0, 2.12, 2.25,
2.37, 2.50, 2.62, 2.75, 2.87, 3.0, 3.2, 3.4, 3.6, 3.8,
4.0, 4.3, 4.7, 4.9, 5.0, 5.5...