Standard Braking Distance
- DE:
(Geschwindigkeit / 10) * (Geschwindigkeit / 10) - EN:
(Speed / 10) * (Speed / 10)
Evasive (Emergency) Braking Distance
- DE:
((Geschwindigkeit / 10) * (Geschwindigkeit / 10)) / 2 - EN:
((Speed / 10) * (Speed / 10)) / 2
jclosure
/ gist:2732898f35adaf4a8bb79f7805bc7d87
Created
May 2, 2016 04:06
install emacs 24.5 from src on Centos 6
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| yum install gcc make ncurses-devel | |
| yum install giflib-devel libjpeg-devel libtiff-devel -y | |
| cd /usr/local/src | |
| wget http://ftp.gnu.org/pub/gnu/emacs/emacs-24.5.tar.gz | |
| tar xzvf emacs-24.5.tar.gz | |
| cd emacs-24.5 | |
| ./configure --without-x --without-selinux | |
| make && make install | |
| which emacs | |
| emacs --version |
binarytemple-clients
/ install-emacs-24.5-from-source-centos7install-emacs-24.5-from-source-centos7.sh
Created
March 14, 2016 12:46
install emacs-24.5 from source centos7
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| wget http://mirror.sdunix.com/gnu/emacs/emacs-24.5.tar.gz | |
| tar zxvfp emacs-24.5.tar.gz | |
| cd emacs-24.5/ | |
| ./configure | |
| sudo yum -y install libXpm-devel libjpeg-turbo-devel openjpeg-devel openjpeg2-devel turbojpeg-devel giflib-devel libtiff-devel gnutls-devel libxml2-devel GConf2-devel dbus-devel wxGTK-devel gtk3-devel | |
| ./configure | |
| make | |
| sudo make install |
thebucknerlife
/ authentication_with_bcrypt_in_rails_4.md
Last active
January 17, 2024 23:54
Simple Authentication in Rail 4 Using Bcrypt
#Simple Authentication with Bcrypt
This tutorial is for adding authentication to a vanilla Ruby on Rails app using Bcrypt and has_secure_password.
The steps below are based on Ryan Bates's approach from Railscast #250 Authentication from Scratch (revised).
You can see the final source code here: repo. I began with a stock rails app using rails new gif_vault
##Steps
corvax19
/ openssh-encrypt-decrypt.txt
Last active
July 28, 2023 14:10
[/linux/openSSL] Simple text #encryption/#decryption with #openssl
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| echo -n "That's the text"|openssl enc -e -aes-256-cbc -a | |
| Encrypt with interactive password. Encrypted message is base64-encoded afterwards. | |
| echo -n "That's the text"|openssl enc -e -aes-256-cbc -a -k "MySuperPassword" | |
| Encrypt with specified password. Encrypted message is base64-encoded afterwards. | |
| echo "GVkYiq1b4M/8ZansBC3Jwx/UtGZzlxJPpygyC"|openssl base64 -d|openssl enc -d -aes-256-cbc | |
| Base-64 decode and decrypt message with interactive password. | |
| echo "GVkYiq1b4M/8ZansBC3Jwx/UtGZzlxJPpygyC"|openssl base64 -d|openssl enc -d -aes-256-cbc -k "MySuperPassword" |
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| // How to use this: | |
| // 1. Go to the desired profile page on coderwall, like http://coderwall.com/marcinbunsch | |
| // 2. Paste this gist in the JS console | |
| // | |
| // You can also probably use this in greasemonkey and dot.js | |
| // | |
| // Also, it was tested in Chrome, Firefox and Safari, it probably will | |
| // not work in IE, but I just don't care about it ;) | |
| // | |
| // UPDATE: Coderwall made changes to the site and I cannot retrieve the achievements, so they are hardcoded, taken from a cached version of the achievements page |