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Ruby: The future of frozen string literals

What is a literal?

In programming languages, literals are textual representations of values in the source code. This is a syntactical concept.

Some examples:

7 # integer literal
@citruz
citruz / QEMU_ON_M1.md
Last active May 10, 2024 05:49
Create Ubuntu and Windows VMs with QEMU on Apple Silicon

Running Linux and Windows on M1 with QEMU

30.11.2020: Updated with the new patchseries and instructions for Windows

02.12.2020: Added tweaks

08.12.2020: Updated with patchseries v4

31.01.2020: Updated with patchseries v6

@coltenkrauter
coltenkrauter / fix-wsl2-dns-resolution
Last active May 19, 2024 03:54
Fix DNS resolution in WSL2
More recent resolution:
1. cd ~/../../etc (go to etc folder in WSL).
2. echo "[network]" | sudo tee wsl.conf (Create wsl.conf file and add the first line).
3. echo "generateResolvConf = false" | sudo tee -a wsl.conf (Append wsl.conf the next line).
4. wsl --terminate Debian (Terminate WSL in Windows cmd, in case is Ubuntu not Debian).
5. cd ~/../../etc (go to etc folder in WSL).
6. sudo rm -Rf resolv.conf (Delete the resolv.conf file).
7. In windows cmd, ps or terminal with the vpn connected do: Get-NetIPInterface or ipconfig /all for get the dns primary and
secondary.
@tbutts
tbutts / tmux-migrate-options.py
Last active February 29, 2024 08:11
For tmux configs: Merge deprecated/removed -fg, -bg, and -attr options into the -style option
#!/usr/bin/env python
# vim: set fileencoding=utf-8
#
# USAGE:
# Back up your tmux old config, run the script and redirect stdout to your conf
# file. Example:
#
# $ cp ~/.tmux.conf ~/.tmux.conf.orig
# $ python ./tmux-migrate-options.py ~/.tmux.conf.orig > ~/.tmux.conf
#
@jugyo
jugyo / request_logger.rb
Last active November 16, 2023 17:25
Rack middleware for logging all rails request
# Add below into config/application.rb:
#
# config.middleware.use 'RequestLogger'
#
class RequestLogger
def initialize app
@app = app
end
def call(env)
@bigsergey
bigsergey / review-checklist.md
Last active May 23, 2024 13:50
Front-end Code Review Checklist

Review checklist

General

  1. Does the code work?
  2. Description of the project status is included.
  3. Code is easily understand.
  4. Code is written following the coding standarts/guidelines (React in our case).
  5. Code is in sync with existing code patterns/technologies.
  6. DRY. Is the same code duplicated more than twice?
@maxim
maxim / rails_load_path_tips.md
Last active April 13, 2023 13:28
How to use rails load paths, app, and lib directories.

In Rails 3

NOTE: This post now lives (and kept up to date) on my blog: http://hakunin.com/rails3-load-paths

If you add a dir directly under app/

Do nothing. All files in this dir are eager loaded in production and lazy loaded in development by default.

If you add a dir under app/something/

@jkaflik
jkaflik / magento_fix_stock_items.sql
Created May 27, 2013 09:54
Fix for "Stock item for Product is not valid" error in Magento 1.x. It reproduces cataloginventory_stock_item using product entities.
INSERT INTO `cataloginventory_stock_item` (
`item_id` ,
`product_id` ,
`stock_id` ,
`qty` ,
`min_qty` ,
`use_config_min_qty` ,
`is_qty_decimal` ,
`backorders` ,
`use_config_backorders` ,
@leemour
leemour / FontFix RubyMine
Last active October 6, 2018 06:42
Fixing font anti-aliasing for Ubuntu.
# Change Java Runtime:
sudo update-alternatives --config java
# Delete Open-JDK
sudo apt-get purge openjdk-\* icedtea-\* icedtea6-\*
# Change fonts - remove hinting:
http://askubuntu.com/questions/32624/ugly-fonts-in-netbeans-how-can-i-make-it-use-the-system-font
# Change RubyMine AntiAliasing first:
@chocnut
chocnut / cmd
Created December 10, 2012 20:27 — forked from pifleo/cmd
Proxy List Fetcher Using Ruby
$ chmod +x ./proxy_list_fetcher.rb
$ ./proxy_list_fetcher.rb | head
180.94.88.58 8080 Afghanistan fast HTTPS High +KA
187.87.155.2 8080 Brazil fast HTTPS High +KA
120.132.132.119 8080 China medium HTTPS High +KA
210.211.109.244 8081 Viet Nam fast HTTP Low
216.244.71.143 3128 United States medium HTTPS High +KA
190.237.224.22 8080 Peru slow HTTPS High +KA