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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...ess and old db was left in SINGLE_USER mode.
– Smörgåsbord
Dec 21 '16 at 18:50
3
this worked fo...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
...cloud instances is I redirect port 80 to port 3000 with this command:
sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000
Then I launch my Node.js on port 3000. Requests to port 80 will get mapped to port 3000.
You should also edit your /etc/rc.local file and add...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
... Nov 15 '10 at 17:45
Peter MoresiPeter Moresi
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...
Save all files in Visual Studio project as UTF-8
... as the second parameter to ReadAllText to preserve my swedish characters (åäö).
– jesperlind
Aug 22 '11 at 23:25
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Remote debugging with Android emulator
...to killall adb too on the server, because the emulator will not accept multiple connections and will be offline for the local machine.
– Henrique de Sousa
Mar 17 '16 at 10:36
...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
... limitation that is usually encountered is the maximum number of file descriptors (sockets consume file descriptors) that can be open simultaneously. This often defaults to 1024 but can easily be configured higher.
Ever tried configuring a web server to support tens of thousands of simultaneous AJA...
difference between socket programming and Http programming
...sponse.
Stream receiveStream = response.GetResponseStream ();
// Pipes the stream to a higher level stream reader with the required encoding format.
StreamReader readStream = new StreamReader (receiveStream, Encoding.UTF8);
Console.WriteLine ("Response stream received.");
Cons...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...
3. echo $xxxxx 输出环境变量 （echo表示输出）
4. chmod 赋权限
-R 表示赋给整个目录下所有文件
755/777 表示权重(rwx的权重)
7表示4 2 1 即全部权限
5 表示4 1 表示除了 x 其他都有权限
5. ps –ef | grep aa (aa%类型所有的进程)
...
Empty set literal?
... for the empty set? Or for sets in general?
– Johan Råde
May 25 '11 at 20:23
15
There are set li...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...类需要访问的域和方法声明为包级访问，而不是私有访问权限。不幸的是，这意味着在相同包中的其他类也可以直接访问这些域，所以在公开的API中你不能这样做。
避免使用float类型
Android系统中float类型的数据存取速度是int类...