Knowledge

Knowledge
14 posts
Docker
Copy a file to a docker container docker cp fileName.json mongodb1:/fileName.json Connect on the container terminal docker exec -it mongodb1 /bin/sh
Apr 1, 20241 min read
Regex. [] - {}^$*+?() |
. (dot) It's going to search for any character inside your string. You can see that the regex found 48 occurrences on the string provided. If you want to find the .(dot) itself, you need to use the \ escape character. Like \.If you want to use any k...
Jan 5, 20242 min read
SDK Man Commands
sdk install java // Install java sdk list java //See versions for java //Install an specific version sdk install java 8.0.292.j9-adpt sdk install java 11.0.2-open sdk install java 17.0.1-open sdk install java 17.0.1-open sdk install java 17.0.2-tem...
Dec 20, 20231 min read
Import a collection array to a document using MongoDB
mongoimport --db mydatabasename --collection collectionName --file my_json_file.json If the collection is an array mongoimport --db mydatabasename --collection collectionName --file my_json_file.json --jsonArray
Dec 20, 20231 min read
Java Collections
List ArrayList It internally uses an array Fast to access the elements by index Slower if you want to do operations in the middle LinkedList Based on a Double Linked Very fast for deleting or adding elements in the middle Vector It belon...
Oct 10, 20231 min read
Manage terraform versions with tfenv
If you need to manage the versions of the terraform you can use this documentation. https://github.com/tfutils/tfenv
Feb 15, 20231 min read
How to add ssh to your Github account
Github
Nov 8, 20221 min read
Extract tar.gz applications
Linux
Oct 15, 20221 min read
Azure get access-token
If you want to generate a token from azure and copy it immediately. az account get-access-token --resource-type oss-rdbms | jq -r '.accessToken' | xclip -sel clip
Oct 15, 20221 min read