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@danielgross
danielgross / mathpix2gpt.py
Last active April 22, 2024 05:19
mathpix2gpt.py
import requests
import time
import os
import sys
import openai
import tiktoken
from termcolor import colored
openai.api_key = open(os.path.expanduser('~/.openai')).read().strip()
@danidiaz
danidiaz / netrw.txt
Created October 7, 2016 20:57
Vim's netrw commands.
--- ----------------- ----
Map Quick Explanation Link
--- ----------------- ----
< <F1> Causes Netrw to issue help
<cr> Netrw will enter the directory or read the file |netrw-cr|
<del> Netrw will attempt to remove the file/directory |netrw-del|
<c-h> Edit file hiding list |netrw-ctrl-h|
<c-l> Causes Netrw to refresh the directory listing |netrw-ctrl-l|
<c-r> Browse using a gvim server |netrw-ctrl-r|
<c-tab> Shrink/expand a netrw/explore window |netrw-c-tab|
@btroncone
btroncone / ngrxintro.md
Last active February 9, 2024 15:37
A Comprehensive Introduction to @ngrx/store - Companion to Egghead.io Series

Comprehensive Introduction to @ngrx/store

By: @BTroncone

Also check out my lesson @ngrx/store in 10 minutes on egghead.io!

Update: Non-middleware examples have been updated to ngrx/store v2. More coming soon!

Table of Contents

@alexhawkins
alexhawkins / HashTable.js
Last active August 7, 2021 23:33
Correct Implementation of a Hash Table in JavaScript
var HashTable = function() {
this._storage = [];
this._count = 0;
this._limit = 8;
}
HashTable.prototype.insert = function(key, value) {
//create an index for our storage location by passing it through our hashing function
var index = this.hashFunc(key, this._limit);
@jboner
jboner / latency.txt
Last active May 8, 2024 16:32
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@zhengjia
zhengjia / capybara cheat sheet
Created June 7, 2010 01:35
capybara cheat sheet
=Navigating=
visit('/projects')
visit(post_comments_path(post))
=Clicking links and buttons=
click_link('id-of-link')
click_link('Link Text')
click_button('Save')
click('Link Text') # Click either a link or a button
click('Button Value')