React Native Push Notification / Npm / Firebase / IOS / Android / GitHub / Expo

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React Native Push Notification / Npm / Firebase / IOS / Android / GitHub / Expo : Installation NPM Yarn NOTE: If you target iOS you also need to follow the installation instructions for PushNotificationIOS since this package depends on it. NOTE: For Android, you will still have to manually update the AndroidManifest.xml (as below) in order … Read more

Redux and react-redux / React Js / Example / Tutorial / Saga / Thunk / Toolkit / Github

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Redux and react-redux / React Js / Example / Tutorial / Saga / Thunk / Toolkit / Github : Getting Started with React Redux React Redux is the official React UI bindings layer for Redux. It lets your React components read data from a Redux store, and dispatch actions to the store to update state. Installation​ React Redux 8.x … Read more

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Eclipse

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java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Eclipse : It seems the mysql connectivity library is not included in the project. Solve the problem following one of the proposed solutions: MAVEN PROJECTS SOLUTION Add the mysql-connector dependency to the pom.xml project file: Here you are all the versions: https://mvnrepository.com/artifact/mysql/mysql-connector-java ALL PROJECTS SOLUTION Add the jar library manually to the project. Right Click … Read more

ERROR 1452: Cannot add or update a child row: a foreign key constraint fails

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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails : Taken from Using FOREIGN KEY Constraints Foreign key relationships involve a parent table that holds the central data values, and a child table with identical values pointing back to its parent. The FOREIGN KEY clause is specified in the child table. … Read more

gitignore not working

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gitignore not working : The files/folder in your version control will not just delete themselves just because you added them to the .gitignore. They are already in the repository and you have to remove them. You can just do that with this: Remember to commit everything you’ve changed before you do this! This removes all files … Read more

“Error occurred during initialization of VM; Could not reserve enough space for object heap” using -Xmx3G

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“Error occurred during initialization of VM; Could not reserve enough space for object heap” using -Xmx3G : It looks like the machine you’re trying to run this on has only 256 MB memory. Maybe the JVM tries to allocate a large, contiguous block of 64 MB memory. The 192 MB that you have free might … Read more