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@davestewart
davestewart / estimation.md
Last active March 1, 2026 06:30
Things to think about when estimating frontend projects

Estimation

This document is an attempt to pin down all the things you don't think about when quoting for a project, and hopefully provide a starting point for some kind of framework to make quoting, working and delivering small-medium jobs more predictable and less stressful.

Contents

@skiadas
skiadas / RecursionAndState.md
Last active August 16, 2023 09:27

The thing that students have the hardest time on when learning functional programming is how to process a recursive structure while maintaining some sort of "state", the result if you will. I'll attempt here to demystify the process.

Functional programming languages almost always use a lot of recursively defined structures. Depending on the language those can be implemented in various ways, but in any case the end result is the same. A structure of this type is either an "atom", i.e. an irreducible thing, or a "compound" consisting of substructures of the same form.

For example a "list" is either an Empty/Nil list (the "atom") or it is formed as a Cons of a value and another list (compound form). That other "sublist" can itself be empty or another cons and so on and so forth. A tree is similar. It is either empty, or it consists of a triple of a value and two sub-trees, left and right.

Almost every problem we encounter is a question about doing something with all entries in a structure. To solve these prob

@lfbittencourt
lfbittencourt / clear_tags.rb
Last active March 21, 2017 11:03
This Ruby script removes all local and remote tags in a single-line way, so you don't need supply your credentials several times. Optionally, you can remove only tags greater than a specific version.
#!/usr/bin/env ruby
# Only tags >= min_tag will be removed.
min_tag = '0.0.0'
tags = `git tag`.split(/\s+/).select do |t|
Gem::Version.new(t) >= Gem::Version.new(min_tag)
end
`git tag -d #{tags.join ' '}`
`git push origin #{tags.map { |t| ':' + t }.join ' '}`
@staltz
staltz / introrx.md
Last active March 10, 2026 03:48
The introduction to Reactive Programming you've been missing
@samqiu
samqiu / nginx.conf
Created September 15, 2011 01:07 — forked from huacnlee/nginx.conf
Nginx http proxy cache to mirror of Rubygems.org
# 在本地服务器建立 rubygems.org 的镜像缓存，以提高 gem 的安装速度
# 此配置设置缓存过期为1天，也就是说，新上的 gem 无法马上安装
# 做这个起什么作用？
# rubygems 的很多资源文件是存放到 Amazon S3 上面的，由于 GFW 对某些 S3 服务器又连接重置或丢包，导致 gem 安装异常缓慢或有时候根本无法连接安装。
# 而通过这种跳板的方式可以很好的解决这个问题，当然前提是 Nginx反向代理 服务器需要在国外
proxy_cache_path /var/cache/rubygems levels=1:2 keys_zone=RUBYGEMS:10m
inactive=24h max_size=1g;
server {
listen 80;