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Turn a simple socket into an SSL socket
...rote simple C programs, which are using sockets ('client' and 'server').
(UNIX/Linux usage)
4 Answers
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Determine file creation date in Java
...mentation you're out of luck. Addendum: same behaviour is in OpenJDK7.
On Unix filesystems you cannot retrieve the creation timestamp, you simply get a copy of the last modification time. So sad, but unfortunately true. I'm not sure why that is but the code specifically does that as the following w...
How do DATETIME values work in SQLite?
...24, 4714 B.C. according to the proleptic Gregorian calendar.
INTEGER as Unix Time, the number of seconds since 1970-01-01 00:00:00 UTC.
Applications can chose to store dates and times in any of these formats and freely convert between formats using the built-in date and time functions.
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When is TCP option SO_LINGER (0) required?
...he TIME_WAIT will sit at the client doing no harm. Remember as it says in "UNIX Network Programming" third edition (Stevens et al) page 203: "The TIME_WAIT state is your friend and is there to help us. Instead of trying to avoid the state, we should understand it (Section 2.7)."
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How to get current time in milliseconds in PHP?
...time(true) on the other hand returns the current time in seconds since the Unix epoch accurate to the nearest microsecond (see PHP reference). It's actually very easy to test if you run the above code in a loop and display the milliseconds.
– laurent
Dec 18 '12...
How to set environment variable for everyone under my linux system?
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Amazingly, Unix and Linux do not actually have a place to set global environment variables. The best you can do is arrange for any specific shell to have a site-specific initialization.
If you put it in /etc/profile, that will take car...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解决办法：
1、在网页页面接到到gbk格式的参数后，通过编程把gbk变成utf8格式，即没有加上NU指定项。
2、在rewrite内部转换时，把输出参数从gbk变成utf8格式，即加上NU指定项（显然第2种方法是比较方便的）。
第一，下面是...
How to split a file into equal parts, without breaking individual lines? [duplicate]
...xcept for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines (it's no problem if one of the files is a little larger or smaller)? I know I could ju...
Location of my.cnf file on macOS
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In general, on Unix and Unix-like systems, MySQL/MariaDB programs read config/startup files in the following locations (in the specified order):
/etc/my.cnf - Global
/etc/mysql/my.cnf - Global
SYSCONFDIR/my.cnf - Global
SYSCONFDIR r...
Pinging servers in Python
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This function works in any OS (Unix, Linux, macOS, and Windows)
Python 2 and Python 3
EDITS:
By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated.
impor...