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Semicolons superfluous at the end of a line in shell scripts?
...l:
[root@server test]# ls;pwd;
On shell script:
[root@server test]# cat test4.sh
echo "Current UserName:"
whoami
echo -e "\nCurrent Date:";date;
[root@server test]#
But I am not agree with the comment that & is equivalent to newline or single semicolon
& is run commands in backg...
Extract substring using regexp in plain bash
...
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[...
Grepping a huge file (80GB) any way to speed it up?
...p will tell you. Some versions of the man also say that the former is deprecated for the latter, but the shorter form is too convenient to die.
– Walter Tross
Jun 7 '16 at 16:20
...
What is time_t ultimately a typedef to?
...e bottom line is that the type of time_t is not guaranteed in the C specification.
The time_t datatype is a data type in
the ISO C library defined for storing
system time values. Such values are
returned from the standard time()
library function. This type is a
typedef defined in the s...
Choosing a Java Web Framework now? [closed]
...ve it a shot. I really like it, Play is a great fit between something like PHP and the heavy duty Java frameworks like Spring.
The things I like most about play are:
Very easy to get a play application off the ground, you have to go pretty far with coding and configuration to get a simple crud ap...
Understanding the map function
... answered Jun 11 '12 at 1:50
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SVN: Is there a way to mark a file as “do not commit”?
...e mentioned: $svn st --- Changelist 'ignore-on-commit': M database.php M config.php and still, they have been sent to the repo on commit. Any idea what did I do wrong?
– Attila Fulop
Feb 13 '12 at 17:02
...
Is String.Format as efficient as StringBuilder
...some benchmarking:
http://jdixon.dotnetdevelopersjournal.com/string_concatenation_stringbuilder_and_stringformat.htm
Updated:
Sadly the link above has since died. However there's still a copy on the Way Back Machine:
http://web.archive.org/web/20090417100252/http://jdixon.dotnetdevelopers...
Case-INsensitive Dictionary with string key-type in C#
...s find the answer to any coding question on here! Maybe I'll name my next cat after you, Konrad! :-)
– Jamie
Jun 3 '14 at 21:36
...
How to specify a multi-line shell variable?
... Not sure why you want or need the leading line break. For my application I did not so I just started with sql="SELECT c2, c2
– bhfailor
Jan 30 '18 at 1:31
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