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Bitwise operation and usage
... libraries for socket connections, so you don't actually need to build the TCP/IP communication frames. But think about the good people that programmed those APIs for you, they had to deal with frame construction for sure; using all kinds of bitwise operations to go back and forth from the low-level...
how to check redis instance version?
...ion:7.5.0
process_id:14126
run_id:adfaeec5683d7381a2a175a2111f6159b6342830
tcp_port:6379
uptime_in_seconds:16860
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:15766886
executable:/tmp/redis-5.0.5/src/redis-server
config_file:
# Clients
connected_clients:22
....More Verbose
The version lies in ...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域） delete edit 高亮或隐藏信息 提交 function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(el...
Capturing Ctrl-c in ruby
...ntext = ZMQ::Context.new(1)
socket = context.socket(ZMQ::REP)
socket.bind("tcp://*:5558")
trap("INT") { puts "Shutting down."; socket.close; context.terminate; exit}
puts "Starting up"
while true do
message = socket.recv_string
puts "Message: #{message.inspect}"
socket.send_string("Message ...
Node.js or Erlang
.... And Node has built-in support for clustering in one machine, sharing the TCP sockets.
– Farid Nouri Neshat
Jul 15 '12 at 5:06
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EC2 instance types's exact network performance?
...by combing dozens of sources doing benchmarks (primarily using iPerf & TCP connections). Credit to CloudHarmony & flux7 in particular for many of the benchmarks (note that those two links go to google searches showing the numerous individual benchmarks).
Caveats & Notes:
The large inst...
ACE vs Boost vs POCO [closed]
... with real time constraints. A single thread handles I/O from over thirty TCP/IC socket connections and a serial port. The code runs on both 32 and 64 bit Linux. A few of the many ACE classes I have used are the ACE_Reactor, ACE_Time_Value, ACE_Svc_Handler, ACE_Message_Queue, ACE_Connector. AC...
How to make child process die after parent exits?
...ild should exit.
This isn't great, but it works, and it's easier than the TCP socket/lockfile polling solutions suggested elsewhere on this page.
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域） delete edit 高亮或隐藏信息 提交 function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(el...
SQL Server - transactions roll back on error?
...onnection times out, the underlying network protocol (e. g. Named Pipes or TCP) breaks the connection. When a connection is broken, SQL Server stops all currently running commands and rollbacks the transaction.
– Quassnoi
Nov 17 '09 at 16:04
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