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Permanently adding a file path to sys.path in Python
I had a file called example_file.py , which I wanted to use from various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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How to concatenate string variables in Bash
... be done as well - the point is making sure the variable name is separated from the non-variable-name parts so that it parses correctly.
– twalberg
Dec 10 '14 at 3:57
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What does “Splats” mean in the CoffeeScript tutorial?
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The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"—see the Jargon File entry) is used to indicate that an entry in an argument list should "soak up" a list of arguments.
CoffeeScript adopted Ruby-style splats v...
In CoffeeScript how do you append a value to an Array?
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That doesn't append values from list to things. That replaces the things array entirely. I just tested it too.
– ajsie
Nov 21 '11 at 11:31
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What's the difference between a catalog and a schema in a relational database?
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From the relational point of view :
The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/i...
What is the at sign (@) in a batch file and what does it do?
... obvious for everyone but I didn't know that this only works when executed from a .batfile, i.e. it doesn't work straight from the command line.
– doABarrelRoll721
Feb 22 '16 at 15:11
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How to rebase local branch with remote master
I have a cloned project from a master branch from remote repository remote_repo . I create a new branch and I commit to that branch. Other programmers pushed to remote_repo to the master branch.
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Make $JAVA_HOME easily changable in Ubuntu [closed]
...tup process desktop session as well as by the login shell when one logs-in from the textual console.
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Is Tomcat running?
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To learn what the value of $CATALINA_PID is from your OS-installed Tomcat, try: ps aewwx | grep CATALINA_PID and you will find it in the output for the running process, amongst the other environment variables. In Debian 8 this value is: CATALINA_PID=/var/run/tomcat...
ruby system command check exit code
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From the documentation:
system returns true if the command gives zero exit status, false for
non zero exit status. Returns nil if command execution fails.
system("unknown command") #=> nil
system("echo foo") ...