Create React App does not provide watching build mode oficially (#1070).
This script provides watching build mode for an external tool such as Chrome Extensions or Firebase app.
Create a React app.
Put the script into scripts/watch.js.
Michael Frederick devfreddy
paulirish
/ what-forces-layout.md
Last active
July 18, 2024 22:41
What forces layout/reflow. The comprehensive list.
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft,elem.offsetTop,elem.offsetWidth,elem.offsetHeight,elem.offsetParent
shantanuo
/ mysql_to_big_query.sh
Last active
September 14, 2022 07:12
Copy MySQL table to big query. If you need to copy all tables, use the loop given at the end.
Exit with error code 3 if blob or text columns are found. The csv files are first copied to google cloud before being imported to big query.
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| #!/bin/sh | |
| TABLE_SCHEMA=$1 | |
| TABLE_NAME=$2 | |
| mytime=`date '+%y%m%d%H%M'` | |
| hostname=`hostname | tr 'A-Z' 'a-z'` | |
| file_prefix="trimax$TABLE_NAME$mytime$TABLE_SCHEMA" | |
| bucket_name=$file_prefix | |
| splitat="4000000000" | |
| bulkfiles=200 |