React js Learning Notes
useState useEffect useMemo useRef useContext useReducer useCallBack useLayoutEffect
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Oracle APEX Mail Relay Docker
It seems that APEX 23.1.0 made some changes to its smtp mail settings. I was no longer able to use straight smtp setting from my mail server. This behavior is also on APEX on ATP. For mail services on ATP, I use oracle oci mail service. It requires some setting on my dns settings. It…
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Linux Nano Cheat Sheets
General Alt + N to show line number Alt + P to show whitespaces Copy Paste ALT + A To set cursor : Arrow key Move setted cursor ALT + 6 to copy Copy CTRL + U Paste CTRL + K to delete / cut entire line Copy Entire Line Ctrl + A to go…
Docker Cheat Sheet
# docker ps -a To list containers To list all containers To list images To delete a image To commit a running container to an image To list volumes To inspect volumns To inspect containers To build a new image To run container To mount volume To back volume To sping a new docker with…
ORDS 23.1 For Autonomous Database in Docker
First create custom ords and plsql gateway user with ADMIN user in OCI ATP. Dockerfile install_ords.sh jdk… Wallet_*.zip Docker File $1 $2 $3 $4 $5 $6 $7 $8 are placeholders for USER_NAME_ADMIN=$1 USER_NAME_ORDS=$2 USER_NAME_GATEWAY=$3 WALLET_LOCATION=$4 #full path SERVICE_NAME=$5 PWD_ADMIN=$6 PWD_ORDS=$7 PWD_PLSQL=$8 install_ords.sh Read more about this syntax Download Target ATP wallet and place it in…
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Database link Between OCI Autonomous Database
Say you would like to create DB link between 2 Autonomous Database in OCI DB1 and DB2. Assume DB1 want to query data from DB2 Create New Database Directory on DB1 Next, we need to create 2 credentials. 1 is used to access Bucket, 1 is used for storing schema@pwd to DB2 Credentials to Access…
React Native Notes
Get Oauth2Token use axios get Oauth2 token with fetch
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Project Notes: Whisper + APEX + Python+React+ LEARN DUTCH APP
here is the semi finished outcome. https://learn.chaoyu.nl/ The Why: I am learning Dutch, I listen to a lot of BNR news on my 2.5 to 3 hours drive from home to office and back. I feel like that I understand a lot of the content but at same time miss a lot of the context….
![](https://chaoyu.nl/wp-content/uploads/2023/05/Screenshot-from-2023-05-18-13-57-53.png)
Oracle Database Local Installation Wallet For HTTPs Calls
This should be used only for local installations, if you have OCI ATP, wallet should work out of the box. I do know that there is a gitRepo that does a download of all certs there are, however It only worked for my Docker DB instance , not a DB in a VM. Therefore, I…