Alexander Löhr alex2600

alex2600 / markdown-details-collapsible.md

Created December 7, 2021 09:43 — forked from pierrejoubert73/markdown-details-collapsible.md

How to add a collapsible section in markdown.

A collapsible section containing markdown

Click to expand!

alex2600 / git-tag-delete-local-and-remote.sh

Created October 16, 2019 17:41 — forked from mobilemind/git-tag-delete-local-and-remote.sh

how to delete a git tag locally and remote

-# delete local tag '12345'
-git tag -d 12345
-# delete remote tag '12345' (eg, GitHub version too)
-git push origin :refs/tags/12345
-# alternative approach
-git push --delete origin tagName
-git tag -d tagName

alex2600 / TtlCounter.js

Created June 17, 2019 17:05

Simple Counter Class using a ttl for counts

alex2600 / gulpfile.js

Last active May 9, 2019 19:00

Wrapper function for gulp stream pipelines using highland.js (usage here: wrap markdown html output into a handlebars template)

	const h = require("highland")
	const handlebars = require("handlebars")

	// handlebars wrapper pipeline for gulp object stream
	const wrapIt = h.pipeline(function (stream) {
	return h(stream) // wrap node stream into a highland stream
	// .tap(vinylObject => console.log(vinylObject.path))
	.map(function (vinylObject) {
	const data = vinylObject.contents.toString() // convert marktdown html to string
	const tpl = fs.readFileSync(tplFile, "utf8") // read handlebars template

alex2600 / sortJson.js

Last active October 5, 2018 12:19

Sort object keys in JSON file

	#!/usr/bin/env node

	/////// SORT OBJECT KEYS OF JSON FILE ////////////////////////////////////////////////////////////////
	// TODO make recursive for object with depth > 1
	/////////////////////////////////////////////////////////////////////////

	const fs = require("fs")

	const options = "utf8"
	const file = process.argv[2]

alex2600 / ediff.py

Last active October 5, 2018 11:56 — forked from bamanzi/ediff.py

[emacs] ediff command line launcher

	#!/usr/bin/python
	# diff and merge two files using emacs ediff-mode

	import os
	import os.path
	import sys

	if len(sys.argv)<3:
	sys.stderr.write("Usage: ediff file1 file2")
	else:

alex2600 / gist:3b2ebd16fa5b088358eda7597f1be196

Last active September 19, 2024 10:56

Create virtual device from file and use it in LVM

	fallocate -l 256M /image.img # create file to store a filesystem
	losetup /dev/loop0 # check if loop0 is free to use, if not continue with loop1, ...
	losetup /dev/loop0 /image.img # create device using file
	pvcreate /dev/loop0 # create lvm physical volume
	vgcreate lvmstorage /dev/loop0 # create volume group "lvmstorage" using device
	lvcreate -L 128M -n lv1 lvmstorage # create logical volume "lv1" with size 128M
	mkfs.ext4 /dev/lvmstorage/lv1 # create file system
	e2label /dev/lvmstorage/lv1 LV1 # set label "LV1" for device
	mkdir /mnt/stuff
	mount /dev/lvmstorage/lv1 /mnt/stuff # mount device