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Make sure only a single instance of a program is running
... This solution does not work. I tried it on Ubuntu 14.04. Run the same script from 2 terminal windows simultaneously. They both run just fine.
– Dimon
May 9 '16 at 16:58
1
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Passing arguments to “make run”
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TL;DR don't try to do this
$ make run arg
instead create script:
#! /bin/sh
# rebuild prog if necessary
make prog
# run prog with some arguments
./prog "$@"
and do this:
$ ./buildandrunprog.sh arg
answer to the stated question:
you can use a variable in the recipe
run: pr...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
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Use Hyphens to ensure isolation between your HTML and JavaScript.
Why? see below.
Hyphens are valid to use in CSS and HTML but not for JavaScript Objects.
A lot of browsers register HTML Ids as global objects on the window/document object, in big projects, this can become a real ...
Sublime Text 3 how to change the font size of the file sidebar?
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I'm using Sublime Text 3.2.1, a 4k display and a Mac. Tab titles and the sidebar are difficult to read with default ST3 settings. I used the menus Sublime Text -> Preferences -> Settings which opens two files: Preferences.sublime-settings--Default and Preferences.sublime-setti...
What is the Python equivalent of Matlab's tic and toc functions?
... and toc() functions. Simply insert the following code at the top of your script.
import time
def TicTocGenerator():
# Generator that returns time differences
ti = 0 # initial time
tf = time.time() # final time
while True:
ti = tf
tf = time.time()
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Check existence of directory and create if doesn't exist
I often find myself writing R scripts that generate a lot of output. I find it cleaner to put this output into it's own directory(s). What I've written below will check for the existence of a directory and move into it, or create the directory and then move into it. Is there a better way to approach...
How can I change an element's class with JavaScript?
...nge a class of an HTML element in response to an onclick event using JavaScript?
32 Answers
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Javascript callback when IFRAME is finished loading?
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I noticed you created the DOM element with pure javascript and then passed that variable to jQuery as the selector, maybe that is why you code isn't working?
– Neo
May 3 '13 at 16:16
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How to read/process command line arguments?
....argv))
sys.argv is a list that contains all the arguments passed to the script on the command line.
Basically,
import sys
print(sys.argv[1:])
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stopPropagation vs. stopImmediatePropagation
...on won't be executed
$(this).css("background-color", "#f00");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>example</p>
Note that the order of the event binding is important here!
$("p").click(function(even...