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Sockets: Discover port availability using Java
...art port: " + port);
}
ServerSocket ss = null;
DatagramSocket ds = null;
try {
ss = new ServerSocket(port);
ss.setReuseAddress(true);
ds = new DatagramSocket(port);
ds.setReuseAddress(true);
return true;
} catch (IOException e) {
} fin...
Why does this async action hang?
... 4.5 application calling a method using C#'s new async and await keywords that just hangs and I can't see why.
5 Answer...
Make .gitignore ignore everything except a few files
...
# Whitelist some files
!.gitignore
!README.md
# Ignore all files named .DS_Store or ending with .log
**/.DS_Store
**.log
# Whitelist folder/a/b1/ and folder/a/b2/
# trailing "/" is optional for folders, may match file though.
# "/" is NOT optional when followed by a *
!folder/
folder/*
!folder/a...
Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...惭愧地低下了头，作为设计师整天说 hi-fi lo-fi prototyping，怎么就没想到是 wireless fidelity 呢。但反省过后，我开始质疑（客户）了，Wi-Fi 真的是 wireless fidelity 的缩写吗？如果去查资料，绝大多数地方提及 Wi-Fi 时都会标注 Wi-Fi 是...
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...惭愧地低下了头，作为设计师整天说 hi-fi lo-fi prototyping，怎么就没想到是 wireless fidelity 呢。但反省过后，我开始质疑（客户）了，Wi-Fi 真的是 wireless fidelity 的缩写吗？
如果去查资料，绝大多数地方提及 Wi-Fi 时都会标注 Wi-Fi 是...
MFC 获取并移动其他应用程序窗口的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 获取并移动其他应用程序窗口的方法首先获取其他应用程序窗口句柄的方法有两种：1、FindWindow：用于获取应用程序的窗口句柄HWND FindWindow(LPCTSTR lpClassName, class...首先获取其他应用程序窗口句柄的方法有两种：
1、FindWindow...
用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
用Javascript获取页面元素的位置（全）制作网页的过程中，你有时候需要知道某个元素在网页上的确切位置。下面的教程总结了Javascript在网页定位方面的相关知识。一、网页的大小和...制作网页的过程中，你有时候需要知道某个...
What's the difference between dynamic (C# 4) and var?
...nd it, and explode in a shower of sparks.
With dynamic, properties / methods / operators / etc are resolved at runtime, based on the actual object. Very handy for talking to COM (which can have runtime-only properties), the DLR, or other dynamic systems, like javascript.
...
How can I easily view the contents of a datatable or dataview in the immediate window
...
public static void DebugDataSet ( string msg, ref System.Data.DataSet ds )
{
WriteIf ( "===================================================" + msg + " START " );
if (ds != null)
{
WriteIf ( msg );
foreach (System.Data.DataTable dt in ds.Tables)
{
...
Rebase a single Git commit
...ct
* a8f9182 (HEAD -> production) production configuration
| * daa18b7 (pre) preproduction configuration
|/
| * d365f5f (local) local configuration
|/
* 27d2835 (dev) amazing new feature that will save the world
* | 56d2467 (master) boring state of the art for project
|/
that ...