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setup cron tab to specific time of during weekdays
...ng to setup a cron job on a Ubuntu server. We want the cron job to run the script at certain times of the day and on some specific days of the week. For example, we want to setup a cron job that runs the script with the following sequence:
...
How to clear the canvas for redrawing
...rveTransform) {
this.restore();
}
};
Usage:
window.onload = function () {
var canvas = document.getElementById('canvasId');
var context = canvas.getContext('2d');
// do some drawing
context.clear();
// do some more drawing
context.setTransform(-1, 0, 0, 1, 200, ...
Process all arguments except the first one (in a bash script)
I have a simple script where the first argument is reserved for the filename, and all other optional arguments should be passed to other parts of the script.
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How do I make this file.sh executable via double click?
...h files are opened in a text editor (Xcode or TextEdit). To create a shell script that will execute in Terminal when you open it, name it with the “command” extension, e.g., file.command. By default, these are sent to Terminal, which will execute the file as a shell script.
You will also need t...
Checking if output of a command contains a certain string in a shell script
I'm writing a shell script, and I'm trying to check if the output of a command contains a certain string. I'm thinking I probably have to use grep, but I'm not sure how. Does anyone know?
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Execute SQLite script
...prompt up and -init file.sql will always return 0, so < is the best for scripting. Also it's cross-platform unlike .read which doesn't support Windows paths.
– TWiStErRob
Aug 14 at 13:45
...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...d; this is the current directory (which is not necessarily the same as the script's directory). It is missing in Perl 5.26+, and when Perl runs with -T (taint checks enabled).
To change the default path when configuring Perl binary compilation, set the configuration option otherlibdirs:
Configu...
How do I find the number of arguments passed to a Bash script?
How do I find the number of arguments passed to a Bash script?
5 Answers
5
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What is __main__.py?
...me from a __main__.py file. It can, but it usually doesn't. When you run a script like python my_program.py, the script will run as the __main__ module instead of the my_program module. This also happens for modules run as python -m my_module, or in several other ways.
If you saw the name __main__ ...
SVG get text element width
I'm working on some ECMAScript/JavaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are...