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How can I have a newline in a string in sh?
...STR" # quotes are required here!
Hello
World
Here is an excerpt from the Bash manual page:
Words of the form $'string' are treated specially. The word expands to
string, with backslash-escaped characters replaced as specified by the
ANSI C standard. Backslash escape sequences, if pr...
Python Progress Bar
How do I use a progress bar when my script is doing some task that is likely to take time?
33 Answers
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
I've been digging through some parts of the Linux kernel, and found calls like this:
10 Answers
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How do you loop in a Windows batch file?
...this example, command will be executed once for every element in list, using parameters if specified.
A special type of parameter (or even command) is %%A, which will be substituted by each element from list consecutively.
From FOR loops
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What is the difference between lower bound and tight bound?
With the reference of this answer , what is Theta (tight bound)?
8 Answers
8
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Escaping HTML strings with jQuery
Does anyone know of an easy way to escape HTML from strings in jQuery ? I need to be able to pass an arbitrary string and have it properly escaped for display in an HTML page (preventing JavaScript/HTML injection attacks). I'm sure it's possible to extend jQuery to do this, but I don't know enoug...
Install NPM into home directory with distribution nodejs package (Ubuntu)
I'd like to use the distribution Node.js packages (or the chris-lea ppa for more recent releases) but install NPM to my home directory.
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Docker can't connect to docker daemon
...ser to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker runs with correct permissions.
Start docker.
sudo service docker start
Mac OS X
As Dayel Ostraco says is necessary to add environments variables:
docker-machine start # Start virtual machine for d...
What is the correct way to check for string equality in JavaScript?
What is the correct way to check for equality between Strings in JavaScript?
9 Answers
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Why would you use an ivar?
I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q).
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