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Multiple GitHub Accounts & SSH Config
...ub.com/alice/repo1
https://github.com/alice/repo2
You need to be to pull from these repositories without entering a passwords probably on a server, or on multiple servers.
You want to perform git pull origin master for example, and you want this to happen without asking for a password.
You don't ...
What exactly is Python's file.flush() doing?
...that the data is written to disk. It may just mean that the data is copied from the buffers maintained by your runtime into the buffers maintained by the operating system.
If you write something, and it ends up in the buffer (only), and the power is cut to your machine, that data is not on disk whe...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...good thread talking about uses of refresh tokens: OAuth Archives.
A quote from the above, talking about the security purposes of the refresh token:
Refresh tokens... mitigates the risk of a long-lived access_token leaking (query param in a log file on an insecure resource server, beta or poorly...
Vim clear last search highlighting
...
This is not clear from this answer and comments : note that set nohlsearch will disable the highlighting for next searches as well. The behaviour of :noh is very different : the highlighting will be automatically reenabled when you perform a ...
Download data url file
...ing a completely JavaScript-based zip/unzip utility that anyone can access from a browser. They can just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in.
...
zsh compinit: insecure directories
... a solution, but do not mention why this warning occurs. Here's an excerpt from ZSH's compinit:
For security reasons compinit also checks if the completion system would use files not owned by root or by the current user, or files in directories that are world- or group-writable or that are not o...
Putting text in top left corner of matplotlib plot
...e this free space for the text.
EDIT: here you have an example:
In [17]: from pylab import figure, text, scatter, show
In [18]: f = figure()
In [19]: ax = f.add_subplot(111)
In [20]: scatter([3,5,2,6,8],[5,3,2,1,5])
Out[20]: <matplotlib.collections.CircleCollection object at 0x0000000007439A90&...
How to show first commit by 'git log'?
...
Short answer
git rev-list --max-parents=0 HEAD
(from tiho's comment. As Chris Johnsen notices, --max-parents was introduced after this answer was posted.)
Explanation
Technically, there may be more than one root commit. This happens when multiple previously independent h...
socket.io rooms or namespacing?
... that (do not themselves care about compartments but) need to be separated from each other, use namespaces.
An example for the latter would be a large client app where different modules, perhaps developed separately (e.g. third-party), each using socket.io independently, are being used in the same...
How to merge YAML arrays?
...rking example that we use to support requirements.txt having private repos from gitlab:
.pip_git: &pip_git
- git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com".insteadOf "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/k...
