- http://stackoverflow.com/questions/804115 (
rebase
vsmerge
). - https://www.atlassian.com/git/tutorials/merging-vs-rebasing (
rebase
vsmerge
) - https://www.atlassian.com/git/tutorials/undoing-changes/ (
reset
vscheckout
vsrevert
) - http://stackoverflow.com/questions/2221658 (HEAD^ vs HEAD~) (See
git rev-parse
) - http://stackoverflow.com/questions/292357 (
pull
vsfetch
) - http://stackoverflow.com/questions/39651 (
stash
vsbranch
) - http://stackoverflow.com/questions/8358035 (
reset
vscheckout
vsrevert
)
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import network | |
import socket | |
import time | |
import struct | |
from machine import Pin | |
NTP_DELTA = 2208988800 | |
host = "pool.ntp.org" |
All libraries have subtle rules that you have to follow for them to work well. Often these are implied and undocumented rules that you have to learn as you go. This is an attempt to document the rules of React renders. Ideally a type system could enforce it.
A number of methods in React are assumed to be "pure".
On classes that's the constructor, getDerivedStateFromProps, shouldComponentUpdate and render.
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import numpy as np | |
class GEPP(): | |
""" | |
Gaussian elimination with partial pivoting. | |
input: A is an n x n numpy matrix | |
b is an n x 1 numpy array | |
output: x is the solution of Ax=b |
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// @see https://docs.sendgrid.com/for-developers/tracking-events/event | |
// There is a mistake in the offical doc. Category is array of strings. I took it from the real webhook call. | |
type BaseSendgridEvent = { | |
email: string; | |
timestamp: number; | |
'smtp-id': string; | |
category: string | string[]; | |
sg_event_id: string; | |
sg_message_id: string; |
Run the following in the terminal:
Install the gcc-7 packages:
sudo apt-get install -y software-properties-common
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt install g++-7 -y
Set it up so the symbolic links gcc
, g++
point to the newer version:
Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
$ python -m SimpleHTTPServer 8000
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