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In Unix, how do you remove everything in the current directory and below it?
...
Will delete all files/directories below the current one.
find -mindepth 1 -delete
If you want to do the same with another directory whose name you have, you can just name that
find <name-of-directory> -mindepth 1 -delete
If you w...
How do I redirect output to a variable in shell? [duplicate]
... commands \
| \
(
read string;
mystic_command --opt "$string" /path/to/file
) \
| \
handle_mystified_file
Here is what it is doing and why it is important:
Let's pretend that the series | of | commands is a very complicated series of piped commands.
mystic_command can accept the content of a ...
How to use Morgan logger?
... to them by defining 'dev' or even logging out to an output stream, like a file.
For the purpose we thought we can use it, as in this case, we still have to use:
console.log(..);
Or if you want to make the output pretty for objects:
var util = require("util");
console.log(util.inspect(..));
...
How to clear a chart from a canvas so that hover events cannot be triggered?
...is is my <canvas> element
$('#graph-container').append('<canvas id="results-graph"><canvas>');
canvas = document.querySelector('#results-graph');
ctx = canvas.getContext('2d');
ctx.canvas.width = $('#graph').width(); // resize to parent width
ctx.canvas.height = $('#graph...
Automatically import modules when entering the python or ipython interpreter
...UP. From the official documentation:
If this is the name of a readable file, the Python commands in that
file are executed before the first prompt is displayed in interactive
mode. The file is executed in the same namespace where interactive
commands are executed so that objects defined or...
find -exec with multiple commands
...
+1 @Kusalananda Injecting filenames is fragile and insecure. Use parameters. see SC2156
– pambda
Sep 30 '17 at 9:04
add a comm...
Regex: Remove lines containing “help”, etc
...ox include your regex: .*help.*\r?\n (where the \r is optional in case the file doesn't have Windows line endings).
Leave the Replace with: text box empty.
Make sure the Regular expression radio button in the Search Mode area is selected. Then click Replace All and voila! All lines containing your s...
Android Studio: Android Manifest doesn't exists or has incorrect root tag
...
On Android Studio v0.8.2 clicking on Sync project with Gradle files button solved my problem.
update
Thanks to the comment of jaumard. If the Sync project with Gradle files it's not visible you have to open the Gradle panel and click sync icon on top the toolbar.
Hope it helps :)...
Passing command line arguments to R CMD BATCH
... If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed.
...
Best design for a changelog / auditing database table? [closed]
...rted from the very minimalistic design, like the one you described:
event ID
event date/time
event type
user ID
description
The idea was the same: to keep things simple.
However, it quickly became obvious that this minimalistic design was not sufficient. The typical audit was boiling down to qu...