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What's the difference between ASCII and Unicode?
...quence, they didn't need to support accents or other
marks such as á, ü, ç, ñ, etc. (aka diacritics).
ASCII Extended
Some clever people started using the 8th bit (the bit used for parity) to encode more characters to support their language (to support "é", in French, for example). Just using o...
Artificially create a connection timeout error
...o use a different port that is blocked. So you can always use <your-own-ip>:<blocked-port>.
– James Selvakumar
Aug 14 '14 at 3:58
9
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IISExpress returns a 503 error from remote machines
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If you are too lazy to add every hostname/ipaddress combination use a * instead of "your-machine-name"
– StarQuake
Oct 6 '14 at 10:45
6
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Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
...s
33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000
kill it, and run anew:
$ kill -9 33240
$ rails s
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Interpolating a string into a regex
...uote or Regexp.escape if I just used single quotes on my input string: (an IP address match)
IP_REGEX = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}'
my_str = "192.0.89.234 blahblah text 1.2, 1.4" # get the first ssh key
# replace the ip, for demonstration
my_str.gsub!(/#{IP_REGEX}/,"192.0.2.0")
puts my_...
YYYY-MM-DD format date in shell script
... a more compact notation for the accepted answer.
– Håvard Geithus
Nov 16 '15 at 20:42
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What's the best way to send a signal to all members of a process group?
...ll your own children, use pkill -TERM -P ${$}.
– François Beausoleil
Apr 10 '15 at 14:30
3
@Only...
Will strlen be calculated multiple times if used in a loop condition?
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@Prætorian, good point on the zero length string. I didn't consider that case when I wrote my comment. Does C++ evaluate the i > 0 expression on initial loop entry? If it doesn't, then you're right, the zero length case will...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...过各大微博的搜索api。就比如新浪微博API针对一个服务器IP的请求次数，普通权限限制是一个小时1w次，最高权限合作授权一个小时4w次。使用应用时还需要有足够的用户，单用户每个应用每小时访问1000次，最高权限4w次需要40个...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...送数据时网络断开的话，调用send的进程会接收到一个SIGPIPE信号，进程对该信号的默认处理是进程终止。
recv函数
int recv( SOCKET s, char FAR *buf, int len, int flags );
不论是客户还是服务器应用程序都用recv函数从TCP连接的另一端接收数...