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@paolocarrasco
paolocarrasco / README.md
Last active April 7, 2025 22:13
How to understand the `gpg failed to sign the data` problem in git

Problem

You have installed GPG, then tried to commit and suddenly you see this error message after it:

error: gpg failed to sign the data
fatal: failed to write commit object

Debug

@zmilonas
zmilonas / GDPR_CV.md
Last active November 7, 2024 21:39
Formułka do CV, resume, RODO GDPR Compliant resume formulae

Polski 🇵🇱

Wyrażam zgodę na przetwarzanie moich danych osobowych w celu rekrutacji zgodnie z art. 6 ust. 1 lit. a Rozporządzenia Parlamentu Europejskiego i Rady (UE) 2016/679 z dnia 27 kwietnia 2016 r. w sprawie ochrony osób fizycznych w związku z przetwarzaniem danych osobowych i w sprawie swobodnego przepływu takich danych oraz uchylenia dyrektywy 95/46/WE (ogólne rozporządzenie o ochronie danych)

English 🇪🇺

I hereby give consent for my personal data included in my application to be processed for the purposes of the recruitment process under the European Parliament's and Council of the European Union Regulation on the Protection of Natural Persons as of 27 April 2016, with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (Data Protection Directive)

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@timvisee
timvisee / falsehoods-programming-time-list.md
Last active May 7, 2025 16:00
Falsehoods programmers believe about time, in a single list

Falsehoods programmers believe about time

This is a compiled list of falsehoods programmers tend to believe about working with time.

Don't re-invent a date time library yourself. If you think you understand everything about time, you're probably doing it wrong.

Falsehoods

  • There are always 24 hours in a day.
  • February is always 28 days long.
  • Any 24-hour period will always begin and end in the same day (or week, or month).
@emmanueltissera
emmanueltissera / git-apply-patch.md
Created September 13, 2017 02:34
Generate a git patch for a specific commit

Creating the patch

git format-patch -1 <sha>
OR
git format-patch -1 HEAD

Applying the patch

git apply --stat file.patch # show stats.
git apply --check file.patch # check for error before applying

@dvlden
dvlden / ffmpeg.md
Last active January 3, 2025 16:28
Convert video files to MP4 through FFMPEG

This is my personal list of functions that I wrote for converting mov files to mp4!

Command Flags

Flag Options Description
-codec:a libfaac, libfdk_aac, libvorbis Audio Codec
-quality best, good, realtime Video Quality
-b:a 128k, 192k, 256k, 320k Audio Bitrate
-codec:v mpeg4, libx264, libvpx-vp9 Video Codec
@pierrejoubert73
pierrejoubert73 / markdown-details-collapsible.md
Last active May 7, 2025 20:12
How to add a collapsible section in markdown.

How to add a collapsible section in markdown

1. Example

Click me

Heading

  1. Foo
  2. Bar
    • Baz
  • Qux
@so0k
so0k / kubectl.md
Last active February 4, 2025 17:16
Playing with kubectl output

Kubectl output options

Let's look at some basic kubectl output options.

Our intention is to list nodes (with their AWS InstanceId) and Pods (sorted by node).

We can start with:

kubectl get no
@mrlesmithjr
mrlesmithjr / ansible-macos-homebrew-packages.yml
Last active January 21, 2025 16:34
Install MacOS Homebrew Packages With Ansible
---
- name: Install MacOS Packages
hosts: localhost
become: false
vars:
brew_cask_packages:
- atom
- docker
- dropbox
- firefox
@pysysops
pysysops / hiera_undef.yaml
Created October 13, 2016 11:07
Undef a parameter in Puppet hiera
class::parameter::name: null
class::parameter::name: Null
class::parameter::name: NULL
class::parameter::name: ~