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from list of integers, get number closest to a given value
...s O(log n) time (note however checking if a list is already sorted is O(n) and sorting is O(n log n).)
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Convert audio files to mp3 using ffmpeg
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You could use this command:
ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3
Explanation of the used arguments in this example:
-i - input file
-vn - Disable video, to make sure no video (including album cover image) is included if...
Formatting Decimal places in R
...number of decimal places are displayed. This is often done for consistency and standardisation purposes rather than being concerned with significant figures.
Solution:
The following code shows exactly two decimal places for the number x.
format(round(x, 2), nsmall = 2)
For example:
format(roun...
How can I split a shell command over multiple lines when using an IF statement?
How can I split a command over multiple lines in the shell, when the command is part of an if statement?
2 Answers
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How to change the blue highlight color of a UITableViewCell?
.... Actually what creates the blue gradient is a view. You can create a view and draw what ever you like, and use the view as the background of your table view cells.
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How to install a previous exact version of a NPM package?
I used nvm to download node v0.4.10 and installed npm to work with that version of node.
10 Answers
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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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How to save a data.frame in R?
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There is also dump and files created would be source()-ed, although the help(dump) page says save is "safer".
– IRTFM
Dec 1 '11 at 17:44
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Latest jQuery version on Google's CDN
...DN team has joined us in this effort to prevent
inadvertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay locked at version 1.11.1 as well.
The following, now moot, answer is preserved here for historical reasons.
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How to use font-awesome icons from node-modules
...t "node_modules/font-awesome/less/font-awesome.less", or look in that file and import just the components that you need. I think this is the minimum for basic icons:
/* adjust path as needed */
@fa_path: "../node_modules/font-awesome/less";
@import "@{fa_path}/variables.less";
@import "@{fa_path}/m...