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What command means “do nothing” in a conditional in Bash?
...t test the result both true and false are effectively no-ops as far as the script is concerned, but in principle they could fork in some shells that accept this syntax so perhaps : is better.
– dmckee --- ex-moderator kitten
Jul 11 '13 at 1:31
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Loading Backbone and Underscore using RequireJS
...y things updated, im posting this as of Feb 2014.)
Make sure you included script in your index.html
<!-- build:js({app,.tmp}) scripts/main.js -->
<script data-main="scripts/main" src="bower_components/requirejs/require.js"></script>
<!-- endbuild -->
Then, in main.js
req...
Print in one line dynamically
...n the Python REPL (at least for me, on Ubuntu); you need to be executing a script, not just running a REPL command, for any of this to work.
– Mark Amery
Oct 22 '17 at 13:58
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jQuery Call to WebService returns “No Transport” error
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Add this: jQuery.support.cors = true;
It enables cross-site scripting in jQuery (introduced after 1.4x, I believe).
We were using a really old version of jQuery (1.3.2) and swapped it out for 1.6.1. Everything was working, except .ajax() calls. Adding the above line fixed the problem...
input() error - NameError: name '…' is not defined
I am getting an error when I try to run this simple script:
14 Answers
14
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Run a Java Application as a Service on Linux
...l on debian-based distros, like debian itself and ubuntu, you can add that script to /etc/init.d. Then you can invoke it like this: /etc/init.d/MyService start. And you can make it start automatically by running update-rc.d MyService defaults .
– Andre
Jan 26 '...
Using Python 3 in virtualenv
...cs:
Creation of virtual environments is done by executing the pyvenv
script:
pyvenv /path/to/new/virtual/environment
Update for Python 3.6 and newer:
As pawciobiel correctly comments, pyvenv is deprecated as of Python 3.6 and the new way is:
python3 -m venv /path/to/new/virtual/enviro...
Are there any standard exit status codes in Linux?
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Part 1: Advanced Bash Scripting Guide
As always, the Advanced Bash Scripting Guide has great information:
(This was linked in another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (accordi...
I want to execute shell commands from Maven's pom.xml
...lt;executions>
<execution><!-- Run our version calculation script -->
<id>Version Calculation</id>
<phase>generate-sources</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
...
How to concatenate two strings to build a complete path
I am trying to write a bash script. In this script I want user to enter a path of a directory. Then I want to append some strings at the end of this string and build a path to some subdirectories.
For example assume user enters an string like this:
...