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// Types for the result object with discriminated union | |
type Success<T> = { | |
data: T; | |
error: null; | |
}; | |
type Failure<E> = { | |
data: null; | |
error: E; | |
}; |
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YouTube video link: https://youtu.be/8Uofkq718n8 | |
All the commands that are executed in the above youtube video are mentioned in this gist. | |
1. Install Apache server on Ubuntu | |
sudo apt install apache2 | |
2. Install php runtime and php mysql connector | |
sudo apt install php libapache2-mod-php php-mysql | |
3. Install MySQL server |
Feel free to contact me at [email protected] or tweet at me @statisticsftw
This is a rough outline of how we utilize next.js and S3/Cloudfront. Hope it helps!
It assumes some knowledge of AWS.
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/** | |
* Retrieves all the rows in the active spreadsheet that contain data and logs the | |
* values for each row. | |
* For more information on using the Spreadsheet API, see | |
* https://developers.google.com/apps-script/service_spreadsheet | |
*/ | |
function readRows() { | |
var sheet = SpreadsheetApp.getActiveSheet(); | |
var rows = sheet.getDataRange(); | |
var numRows = rows.getNumRows(); |
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<!doctype html> | |
<title>Site Maintenance</title> | |
<style> | |
body { text-align: center; padding: 150px; } | |
h1 { font-size: 50px; } | |
body { font: 20px Helvetica, sans-serif; color: #333; } | |
article { display: block; text-align: left; width: 650px; margin: 0 auto; } | |
a { color: #dc8100; text-decoration: none; } | |
a:hover { color: #333; text-decoration: none; } | |
</style> |
type below:
brew update
brew install redis
To have launchd start redis now and restart at login:
brew services start redis
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the\
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
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import json | |
print('Loading function') | |
def lambda_handler(event, context): | |
print('------------------------') | |
print(event) | |
#1. Iterate over each record | |
try: | |
for record in event['Records']: |
Picking the right architecture = Picking the right battles + Managing trade-offs
- Clarify and agree on the scope of the system
- User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?
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