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Published on 2010-03-27T13:58:57Z
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2010/03/27
14:03 UTC
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I found these two:
[root@~]# echo $i;
2
[root@~]# echo ${i};
2
© Stack Overflow or respective owner
as seen on Ask Ubuntu
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When I run a program from the console, e.g.
me@box:~$ firefox
I expect the console to log error messages (I think this is std out or std err?) and other items from the program, firefox in this case.
But today I notice that bash just opens the program and goes to a new prompt, e.g.
me@box:~$…
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as seen on Ask Ubuntu
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I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting:
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
-bash: tar: command…
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as seen on Ask Ubuntu
- Search for 'Ask Ubuntu'
I was updating my .bash_profile, and unfortunetly I made a few updates and now I am getting:
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
env: bash: No such file or directory
-bash: tar: command…
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as seen on Super User
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ps -e | grep bash
sample output from a linux machine:
1128 pts/14 00:00:00 bash
7491 pts/7 00:00:00 bash
12651 pts/14 00:00:00 bash
16145 pts/2 00:00:00 bash
sample output from a mac machine:
58352 ttys000 0:00.09 login -pfl username /bin/bash -c exec -la bash /bin/bash
58353 ttys000…
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as seen on Ask Ubuntu
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First login process name seems to be set to "-bash", but if I subshell then it becomes "bash". for example:
root@nowere:~# echo $0
-bash
root@nowere:~# bash
root@nowere:~# echo $0
bash
-bash is causing some scripts to fail, such as . /usr/share/debconf/confmodule
exec /usr/share/debconf/frontend…
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as seen on Stack Overflow
- Search for 'Stack Overflow'
i want to use alter table
but the syntax posted here:
http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
is very confusing
i do not understand what the [ ] mean or the { } mean or the pipes
is there some kind of tutorial that can help me understand this?
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as seen on Stack Overflow
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Let's take an simple example of two lines supposedly doing the same thing:
if (value = 96 || value < 0)
...
or
if (value & ~ 95)
...
Say 'If's are costly in a loop of thousands of iterations, is it better to keep with the traditional C syntax or better to find a binary optimized one if…
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as seen on Programmers
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Regular expressions as they are today are pretty much as concise and compact as they can be. Consequently, they are often criticised for being unreadable and hard to debug.
If you had to reinvent a new syntax for regular expressions, what would it look like?
Do you prefer the concise syntax they…
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as seen on Stack Overflow
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Is there any online utility to convert jquery syntax to mootools syntax?
Is there any guideline to convert jquery to mootools?
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as seen on Stack Overflow
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Is there a tool or a simple way to transform XAML code from the shorthand syntax to the full syntax?
For example: moving from something like:
<_TextBox Text="{Binding Path=Formula.Production, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
to
<_TextBox
<_TextBox.Text
<Binding…
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