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Difference between sh and bash
...sh
sh (or the Shell Command Language) is a programming language described by the POSIX
standard.
It has many implementations (ksh88, dash, ...). bash can also be
considered an implementation of sh (see below).
Because sh is a specification, not an implementation, /bin/sh is a symlink
(or a hard li...
How to run Node.js as a background process and never die?
...t of those backgrounded processes. And you can kill a backgrounded process by running kill %1 or kill %2 with the number being the index of the process.
Powerful solution (allows you to reconnect to the process if it is interactive):
screen
You can then detach by pressing Ctrl+a+d and then atta...
jQuery find element by data attribute value
...ndants of each element
in the current set of matched elements, filtered by a selector, jQuery object, or element.
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Submitting a form by pressing enter without a submit button
Well I am trying to submit a form by pressing enter but not displaying a submit button. I don't want to get into JavaScript if possible since I want everything to work on all browsers (the only JS way I know is with events).
...
How to stop/terminate a python script from running?
...ave multiple threads and each of them blocks on external processes started by Popen. I need a nuclear option to kill all sub-processes created by the Python process as well as the Python process itself. Didn't find so far.
– Dici
Feb 8 '19 at 21:32
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zsh compinit: insecure directories
...ite-functions
Credit: a post on zsh mailing list
EDIT: As pointed out by @biocyberman in the comments. You may need to update the owner of site-functions as well:
$ sudo chown -R root:root ./site-functions
On my machine (OSX 10.9), I do not need to do this but YMMV.
EDIT2: On OSX 10.11, onl...
Ukkonen's suffix tree algorithm in plain English
...
The following is an attempt to describe the Ukkonen algorithm by first showing what it does when the string is simple (i.e. does not contain any repeated characters), and then extending it to the full algorithm.
First, a few preliminary statements.
What we are building, is basically ...
Where to place $PATH variable assertions in zsh?
...d.
This turns out to be partially incorrect: /etc/profile may be sourced by zsh. However, this only occurs if zsh is "invoked as sh or ksh"; in these compatibility modes:
The usual zsh startup/shutdown scripts are not executed. Login shells source /etc/profile followed by $HOME/.profile. If th...
What is Dependency Injection and Inversion of Control in Spring Framework?
...ote: DI is not the only way to achieve IoC. There are other ways as well.)
By DI, the responsibility of creating objects is shifted from our application code to the Spring container; this phenomenon is called IoC.
Dependency Injection can be done by setter injection or constructor injection.
...
Intelligent point label placement in R
...
First, here's the results of my solution to this problem:
I did this by hand in Preview (very basic PDF/image viewer on OS X) in just a few minutes. (Edit: The workflow was exactly what you'd expect: I saved the plot as a PDF from R, opened it in Preview and created textboxes with the desired ...