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How to reference a file for variables using Bash?
.../usr/bin/env bash
source config.sh
echo $production
Note that the output from sh ./script.sh in this example is:
~$ sh ./script.sh
playschool_joe
liveschool_joe
This is because the source command actually runs the program. Everything in config.sh is executed.
Another way
You could use th...
Delete files or folder recursively on Windows CMD
How do I delete files or folders recursively on Windows from the command line?
12 Answers
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How do I reload .bashrc without logging out and back in?
...u're just interested in PATH, you could do "unset PATH" and reconstruct it from scratch, but probably easier/safer is to do "PATH=/bin:/usr/bin" before sourcing your .bashrc. How the PATH variable is built up on login is actually reasonably complex, involving input at the very least from login (see ...
Combine two data frames by rows (rbind) when they have different sets of columns
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rbind.fill from the package plyr might be what you are looking for.
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iOS Detection of Screenshot?
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This does not work to prevent a screenshot from being taken. It can only let the app know that one was taken.. From the UIApplication Class Reference: UIApplicationUserDidTakeScreenshotNotification Posted when the user presses the Home and Lock buttons to take a scre...
Reading Properties file in Java
...s/
Properties prop = new Properties();
try {
//load a properties file from class path, inside static method
prop.load(App.class.getClassLoader().getResourceAsStream("config.properties"));
//get the property value and print it out
System.out.println(prop.getProperty("database"));
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What is the difference between origin and upstream on GitHub?
...your fork: your own repo on GitHub, clone of the original repo of GitHub
From the GitHub page:
When a repo is cloned, it has a default remote called origin that points to your fork on GitHub, not the original repo it was forked from.
To keep track of the original repo, you need to add anothe...
What is the difference between syntax and semantics in programming languages?
...rinted on each one. The rightmost wheel rotates the fastest; when it wraps from 9 back to zero, the wheel to its immediate left advances by one. When this wheel advances from 9 to 0, the one to its left advances, and so on.
– Jeff N
Jul 29 '13 at 19:20
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Remove the string on the beginning of an URL
I want to remove the " www. " part from the beginning of an URL string
8 Answers
8
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What is the pythonic way to avoid default parameters that are empty lists?
...he right tool depends on the case — a varargs function is very different from one that takes an (optional) list argument. Situations where you'd have to choose between them come up less often than you'd think. Varargs is great when the arg count changes, but is fixed when the code is WRITTEN. Like...