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How accurate is python's time.sleep()?
...e other hand, the precision of
time() and sleep() is better than
their Unix equivalents: times are
expressed as floating point numbers,
time() returns the most accurate time
available (using Unix gettimeofday
where available), and sleep() will
accept a time with a nonzero fraction
(U...
nginx showing blank PHP pages
... configuration file (i,e: /etc/nginx/sites-enabled/default).
fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
3) Check the file actually exists:
$ file /var/run/php/php7.2-fpm.sock
/var/run/php/php7.2-fpm.sock: socket
4) If it doesn't exist that means php7.2-fpm is not running, so you need to ...
IRXmitter红外发射器扩展 · App Inventor 2 中文网
...设计的目标是尽可能减少在AI2积木中的工作量。在可视化编程中，积木中复杂的逻辑很快会导致应用程序混乱。我希望避免这种情况。
数据包模式
要发送的IR代码由一个数字列表表示，每个数字交替表示Mark（...
What happens to global and static variables in a shared library when it is dynamically linked?
...
This is a pretty famous difference between Windows and Unix-like systems.
No matter what:
Each process has its own address space, meaning that there is never any memory being shared between processes (unless you use some inter-process communication library or extensions).
The ...
How connect Postgres to localhost server using pgAdmin on Ubuntu?
...main/pg_hba.conf
and change this line:
Database administrative login by Unix domain socket
local all postgres md5
to
Database administrative login by Unix domain socket
local all postgres trust
Restart...
What is the closest thing Windows has to fork()?
...n-write implementation
similar to what was present in early
flavors of UNIX.
The first thing that happens when a
parent process forks a child process
is that the parent initializes a space
in the Cygwin process table for the
child. It then creates a suspended
child process using t...
How to find out what group a given user has?
In Unix/Linux, how do you find out what group a given user is in via command line?
5 Answers
...
How to permanently set $PATH on Linux/Unix? [closed]
I'm trying to add a directory to my path so it will always be in my Linux path. I've tried:
24 Answers
...
How does a Linux/Unix Bash script know its own PID?
I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh )
...
MySQL connection not working: 2002 No such file or directory
... "The hostname localhost has a special meaning. It is bound to the use of Unix domain sockets. It is not possible to open a TCP/IP connection using the hostname localhost you must use 127.0.0.1 instead." - php.net/manual/en/mysqli.quickstart.connections.php. So basically something is not working wi...