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Accessing last x characters of a string in Bash
...7-3).
In addition, while the solution of gniourf_gniourf is obviously the best and neatest, I just wanted to add an alternative solution using cut:
echo $string | cut -c $((${#string}-2))-$((${#string}))
This is more readable if you do it in two lines by defining the length ${#string} as a separ...
When is TCP option SO_LINGER (0) required?
...(client addr+port, server IP+port) tuple-space.
So I think servers may be best advised to switch to the Linger-Zero strategy when they see a high number of sockets in the TIME_WAIT state - although it doesn't fix the client behavior, it might reduce the impact.
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How can I make git accept a self signed certificate?
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This is probably the best long term "fix" answer if you are forced to use HTTPS to clone and can't just use SSH to bypass the certificate mess.
– dragon788
Jul 10 '17 at 17:08
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Haskell testing workflow
... -- we have a student working on it for this year's summer of code! -- the best mechanism we have is Here is how to use cabal's user hook mechanism. This means switching to a 'Custom' build with cabal and setting up a testHook. An example of a testHook that runs a test program written with test-fram...
What is Node.js' Connect, Express and “middleware”?
...nitely a common point of confusion for folks looking at Node.js. Here's my best shot at explaining it:
Node.js itself offers an http module, whose createServer method returns an object that you can use to respond to HTTP requests. That object inherits the http.Server prototype.
Connect also offers...
git ahead/behind info between master and branch?
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This is the best for my use case of finding if your current feature branch is behind remote master (git rev-list --left-right --count origin/master...@) - provided the user does git fetch before; useful to prevent pull requests from outd...
How to share my Docker-Image without using the Docker-Hub?
...options to share an image without pushing to the docker hub registry, your best options are:
docker save an image or docker export a container. This will output a tar file to standard output, so you will like to do something like docker save 'dockerizeit/agent' > dk.agent.latest.tar. Then you c...
Add days to JavaScript Date
...th using setDate directly is that it's a mutator and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class rather than an immutable structure.
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Auto-size dynamic text to fill fixed size container
...rong. Also, that kind of behavior doesn't make much sense imo. I guess the best way to add multi-line support would be to split the string based on the amount of words and then calculate each part with the above script and it would most likely be faster anyway.
– mekwall
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Python: fastest way to create a list of n lists
So I was wondering how to best create a list of blank lists:
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