persistent-storage - w3toppers.com

How to disable WAL journal mode

To disable WAL mode, set the journal_mode to DELETE NSMutableDictionary *pragmaOptions = [NSMutableDictionary dictionary]; [pragmaOptions setObject:@”DELETE” forKey:@”journal_mode”]; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, pragmaOptions, NSSQLitePragmasOption, nil]; [_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:options error:&error]

Android Room – Get the id of new inserted row with auto-generate

Based on the documentation here (below the code snippet) A method annotated with the @Insert annotation can return: long for single insert operation long[] or Long[] or List<Long> for multiple insert operations void if you don’t care about the inserted id(s)

pod has unbound PersistentVolumeClaims

You have to define a PersistentVolume providing disc space to be consumed by the PersistentVolumeClaim. When using storageClass Kubernetes is going to enable “Dynamic Volume Provisioning” which is not working with the local file system. To solve your issue: Provide a PersistentVolume fulfilling the constraints of the claim (a size >= 100Mi) Remove the storageClass … Read more

How persistent is localStorage?

Mozilla implements it like cookies: DOM Storage can be cleared via “Tools -> Clear Recent History -> Cookies” when Time range is “Everything” (via nsICookieManager::removeAll) https://developer.mozilla.org/en/DOM/Storage In DOM Storage it is not possible to specify an expiration period for any of your data. All expiration rules are left up to the user. In the case … Read more

Persist variables between page loads

As HTTP is stateless, every time you load the page it will use the initial values of whatever you set in JavaScript. You can’t set a global variable in JS and simply make that value stay after loading the page again. There are a couple of ways you could store the value in another place … Read more