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November 27

Release expo app to iOS

1. config app.json example:  {   "expo": {     "name": "Tech Blog",     "slug": "tech_blog",     "privacy" : "public",     "sdkVersion" : "39.0.0",     "platforms" : [       "ios",       "android"     ],         "version": "4.0.9",     "orientation": "portrait",     "icon": "./assets/icon.png",     "splash": {       "image": "./assets/splash.png",       "resizeMode": "contain",       "backgroundColor": "#ffffff"     },    ...

November 23

Setup AWS Cli


November 11

setup MySQL on ubuntu 18.04 server

Install mysql sudo apt update sudo apt install mysql-server sudo mysql_secure_installation ...

September 20

Font Awesome icon as background image

CSS:  #wrap {   background: #fff;   position: relative; } #wrap:after {   content: "\f087";    font-family: FontAwesome;   font-style: normal;   font-weight: normal;   text-decoration: inherit;   position:...

September 11

Linux Find the oldest file in the directory

find the oldest file in the directory find  .  -type f -printf '%T+ %pn' | sort | head -n 1 ...

September 11

Useful Linux commands for handling directory has large amount of files

Count folder with number of files: ls . | wc -l A typical way to handle the “argument list too long” error is via the find command. Delete all files with sess*  find .  -maxdepth 1 -mindepth 1 -type f -name "sess*" -delete tip: handle large sessions folder for php: rm -rf sessions; mkdir sessions;  chmod 1733 sessions; ...

September 9

How to do a case sensitive search in WHERE clause in MySQL?

Tip for search in MySQL with case sensitive:  SELECT *  FROM table_name WHERE BINARY field_name LIKE '%search_string%'; ...

September 2

React Navigation 5

run expo update / nmp update first, then, Install packages: npm install @react-navigation/native Installing dependencies into an Expo managed project:  expo install react-native-gesture-handler react-native-reanimated react-native-screens react-native-safe-area-context @react-native-community/masked-view if you are using 'stack' and 'drawer', import the packages as well: npm install @react-navigation/stack npm install @react-navigation/drawer for material bottom and top tabs navigator, import following: npm install @react-navigation/material-bottom-tabs react-native-paper npm install @react-navigation/material-top-tabs react-native-tab-view If you're on a Mac and developing for iOS, you...

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