Standard escape codes are prefixed with Escape
:
- Ctrl-Key:
^[
- Octal:
\033
- Unicode:
\u001b
- Hexadecimal:
\x1B
- Decimal:
27
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk | |
index 18f8b0bbfc..4ef3e230e4 100644 | |
--- a/builddefs/common_features.mk | |
+++ b/builddefs/common_features.mk | |
@@ -878,6 +878,10 @@ ifeq ($(strip $(JOYSTICK_ENABLE)), yes) | |
endif | |
endif | |
+ifeq ($(strip $(APPLE_FN_ENABLE)), yes) | |
+ OPT_DEFS += -DAPPLE_FN_ENABLE |
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"
# Updated for Ruby 2.3 | |
string_t = None | |
def get_rstring(addr): | |
s = addr.cast(string_t.pointer()) | |
if s['basic']['flags'] & (1 << 13): | |
return s['as']['heap']['ptr'].string() | |
else: | |
return s['as']['ary'].string() |
#!/bin/sh | |
# Converts a mysqldump file into a Sqlite 3 compatible file. It also extracts the MySQL `KEY xxxxx` from the | |
# CREATE block and create them in separate commands _after_ all the INSERTs. | |
# Awk is choosen because it's fast and portable. You can use gawk, original awk or even the lightning fast mawk. | |
# The mysqldump file is traversed only once. | |
# Usage: $ ./mysql2sqlite mysqldump-opts db-name | sqlite3 database.sqlite | |
# Example: $ ./mysql2sqlite --no-data -u root -pMySecretPassWord myDbase | sqlite3 database.sqlite |
Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.
This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would
#!/usr/bin/env sh | |
## | |
# This is script with usefull tips taken from: | |
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx | |
# | |
# install it: | |
# curl -sL https://raw.github.com/gist/2108403/hack.sh | sh | |
# |