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@dmsul
dmsul / vim_crash_course.md
Last active October 18, 2025 17:38
Vim Crash Course

NOTE: Specific examples given for options, flags, commands variations, etc., are not comprehensive.

NORMAL MODE

Vim has 2 main "modes", that chance the behavior of all your keys. The default mode of Vim is Normal Mode and is mostly used for moving the cursor and navigating the current file.

Some important (or longer) commands begin with ":" and you will see the text you enter next at the bottom left of the screen.

:q[uit] - quit (the current window of) Vim. ("Window" here is internal to Vim, not if you have multiple OS-level windows of Vim open at once.)
:q! - force quit (if the current buffer has been changed since the last save)
:e[dit] {filename} - read file {filename} into a new buffer.

@akash1233
akash1233 / pre-receive.sh
Last active June 20, 2024 12:12
pre-receive git hooks for checking the commit message
#!/bin/bash
#
# check commit messages for pivotal tracker issue numbers formatted as [#stort-id]along with commit message
REGEX="\[#[0-9]*\]"
ERROR_MSG="[POLICY] The commit doesn't reference a PIVOTAL tracker issue"
while read OLDREV NEWREV REFNAME ; do
for COMMIT in `git rev-list $OLDREV..$NEWREV`;
do
MESSAGE=`git cat-file commit $COMMIT | sed '1,/^$/d'`
@Mygod
Mygod / export-ble-infos.py
Last active October 25, 2025 18:10
Export your Windows Bluetooth LE keys into Linux!
#!/usr/bin/python3
"""
Copyright 2021 Mygod
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
@brianbruggeman
brianbruggeman / LICENSE
Last active April 23, 2025 17:20
Convert Viscosity to Open VPN
Public Domain
@jmackie
jmackie / reader.go
Last active April 25, 2024 20:51
Pass a single io.Reader to multiple goroutines
/*
Package fan is a little concurrent io experiment.
Example Use Case
----------------
You have a function that takes a single io.Reader as an argument. You would like
to pass that reader to several processing functions. You could just make the
function accept an io.ReadSeeker, invoke each function serially in a for loop,
seeking after each call. But that's not cool.
@javilobo8
javilobo8 / download-file.js
Last active May 13, 2025 05:55
Download files with AJAX (axios)
axios({
url: 'http://localhost:5000/static/example.pdf',
method: 'GET',
responseType: 'blob', // important
}).then((response) => {
const url = window.URL.createObjectURL(new Blob([response.data]));
const link = document.createElement('a');
link.href = url;
link.setAttribute('download', 'file.pdf');
document.body.appendChild(link);

Kafka installation with systemd

0. Create kafka user

sudo adduser kafka
sudo adduser kafka sudo
su -l kafka

1. Download and Install kafka archive

@Manouchehri
Manouchehri / rfc3161.txt
Last active October 9, 2025 14:52
List of free rfc3161 servers.
https://rfc3161.ai.moda
https://rfc3161.ai.moda/adobe
https://rfc3161.ai.moda/microsoft
https://rfc3161.ai.moda/apple
https://rfc3161.ai.moda/any
http://rfc3161.ai.moda
http://timestamp.digicert.com
http://timestamp.globalsign.com/tsa/r6advanced1
http://rfc3161timestamp.globalsign.com/advanced
http://timestamp.sectigo.com
.service("HttpParamSerializerPolyfillService", function() {
/**
* Adapation of the souce of $httpParamSerializer
* so it can be used with angular < 1.4
*
* HttpParamSerializerPolyfillService.serialize(query)
*
* No guarantees or warranty, use at your own risk.
*/
function sortedKeys(obj) {
# see https://www.topbug.net/blog/2013/04/14/install-and-use-gnu-command-line-tools-in-mac-os-x/
# core
brew install coreutils
# key commands
brew install binutils
brew install diffutils
brew install ed --default-names
brew install findutils --with-default-names