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How to insert a text at the beginning of a file?
So far I've been able to find how to add a line at the beginning of a file but that's not exactly what I want. I'll show it on a example
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Get fragment (value after hash '#') from a URL in php [closed]
...r anchor as shown in a user's browser: This isn't possible with "standard" HTTP as this value is never sent to the server (hence it won't be available in $_SERVER["REQUEST_URI"] or similar predefined variables). You would need some sort of JavaScript magic on the client side, e.g. to include this va...
Add file extension to files with bash
What is the good way to add file extension ".jpg" to extension-less files with bash?
10 Answers
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Image comparison - fast algorithm
...ears to be a good open source implementation of such a hash available at:
http://phash.org/
The main idea is that each image is reduced down to a small hash code or 'fingerprint' by identifying salient features in the original image file and hashing a compact representation of those features (rath...
What is Persistence Context?
...hough Hibernate-related (a JPA provider), I think these links are useful:
http://docs.jboss.org/hibernate/core/4.0/devguide/en-US/html/ch03.html
http://docs.jboss.org/hibernate/entitymanager/3.5/reference/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an Enti...
How to convert an NSTimeInterval (seconds) into minutes
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Mick MacCallum's answer below at the time of writing this comment seems to be most updated and made by the way of using native API.
– Tomasz Nazarenko
Feb 25 '17 at 8:53
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Measuring elapsed time with the Time module
...nged, and may not have subsecond resolution. Correct answer: stackoverflow.com/a/47637891/476716
– OrangeDog
Dec 4 '17 at 16:44
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How do I assign a port mapping to an existing Docker container?
...s approach. You can also change the restart flag here.
P.S. You may visit https://docs.docker.com/engine/admin/ to learn how to correctly restart your docker engine as per your host machine. I used sudo systemctl restart docker to restart my docker engine that is running on Ubuntu 16.04
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YYYY-MM-DD format date in shell script
I tried using $(date) in my bash shell script, however, I want the date in YYYY-MM-DD format.
How do I get this?
13 A...
fetch in git doesn't get all branches
....origin.fetch setting
(The lines starting with $ are bash prompts with the commands I typed. The other lines are the resulting output)
$ git config --get remote.origin.fetch
+refs/heads/master:refs/remotes/origin/master
As you can see, in my case, the remote was set to fetch the master branch spe...