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Check if bash variable equals 0 [duplicate]
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Specifically: ((depth)). By example, the following prints 1.
declare -i x=0
((x)) && echo $x
x=1
((x)) && echo $x
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grunt: command not found when running from terminal
...u used Brew to install Node, so the guide here might be helpful http://madebyhoundstooth.com/blog/install-node-with-homebrew-on-os-x/.
You need to ensure that the npm/bin is in your path as it describes export PATH="/usr/local/share/npm/bin:$PATH". This is the location that npm will install the bi...
Keep SSH session alive [closed]
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We can keep our ssh connection alive by having following Global configurations
Add the following line to the /etc/ssh/ssh_config file:
ServerAliveInterval 60
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How can I redirect the output of the “time” command?
...recedes a pipeline, the elapsed as well as
user and system time consumed by its execution are reported when the
pipeline terminates.
So, to redirect output of time, either use curly braces:
{ time ls; } 2> filename
Or call /usr/bin/time:
/usr/bin/time ls 2> filename
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How to get the first word of a sentence in PHP?
...anything before the first space character) of Test me more can be obtained by tokenizing the string on the space character.
<?php
$value = "Test me more";
echo strtok($value, " "); // Test
?>
For more details and examples, see the strtok PHP manual page.
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The opposite of Intersect()
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You can probably do it faster by using two nested for loops, but the code will be way dirtier than this. Counting readability into this also, I would clearly use this variant as it's very easy to read.
– Øyvind Bråthen
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PostgreSQL error 'Could not connect to server: No such file or directory'
...un rake db:migrate in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
22 Answers
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How to fix “containing working copy admin area is missing” in SVN?
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Folks, do check out the below suggestions by Rob, it's far easy then the current solution.
– Mohammad Arif
Jun 19 '13 at 4:55
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How to import existing Android project into Eclipse?
...! It's sad that this issue still exists after so long without any handling by the IDE or at least a notice.
– Shaihi
May 9 '13 at 19:20
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Difference between margin and padding?
... I think its a bit misleading to say that you div will be 110px by 110px because the width of your div will still be 100px (assuming box-sizing is set as content-box).
– wmock
Feb 2 '16 at 4:41
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