realm | 易学教程

【nginx&php】后台权限认证方式

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一、最常用的方法（代码中限制） 1、如何限制IP function get_new_ip(){ if(getenv('HTTP_CLIENT_IP')) { $onlineip = getenv('HTTP_CLIENT_IP'); } elseif(getenv('HTTP_X_FORWARDED_FOR')) { $onlineip = getenv('HTTP_X_FORWARDED_FOR'); } elseif(getenv('REMOTE_ADDR')) { $onlineip = getenv('REMOTE_ADDR'); } else { $onlineip = $HTTP_SERVER_VARS['REMOTE_ADDR']; } return $onlineip; } $onlineip = get_new_ip(); $wip = ['127.0.0.1']; if(!in_array($onlineip, $wip)){ header("HTTP/1.1 404 Not Found"); header("Status: 404 Not Found"); exit; } 2、进行密码验证 ///////////////// Password protect ///////////////////////////////////////////////////

Querying Realm to populate numberOfRowsInSection and cellForRowAt with Multiple Sections using Realm and Swift

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问题 I'm new to Realm and Swift, and to this site for that matter, so please forgive me if my question is poorly worded, but I will do my best. Here goes... Basically I'm trying to build a Gym App. The idea is to allow the user to type out the title of their workout and to select a day of the week from a Picker View, to assign to that particular workout. With that said, I'm having some trouble figuring out how to code the numberOfRowsInSection function so that it returns the number of rows based

Querying Realm to populate numberOfRowsInSection and cellForRowAt with Multiple Sections using Realm and Swift

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How to cancel Work from WorkManager in Android?

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问题 I have saved the WorkManager UUID converted to String in Realm database. Here is the code - Constraints constraints = new Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build(); Data inputData = new Data.Builder().putString("downloadUrl", downloadUrl). putString("destinationFolder", destinationFolder). putInt("suraNumber", Integer.parseInt(suraNumber)). putString("fileName", fileName). putBoolean("downloadFileTypeBangla", downloadFileTypeBangla). putBoolean(

Primary key property 'name' does not exist on object 'RealmSwiftPermissionRole'

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问题 I'm using RealmSwift as a database in my swift project. Today, after opening my project in Xcode-beta version 11, my app crash with this error: Terminating app due to uncaught exception 'RLMException', reason: 'Primary key property 'name' does not exist on object 'RealmSwiftPermissionRole'' My app works properly on the previous version of Xcode(10.2.1). RealmSwiftPermissionRole is a class from the Realm and I don't have access to it. Maybe in their feature updates, they fix this bug but for

Primary key property 'name' does not exist on object 'RealmSwiftPermissionRole'

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How to delete realm objects with their child relations?

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问题 I have a big object that has a lot of relationships with other objects and those objects have relationships with other objects as well. So when i delete the root object, i found out that only the parent object is being deleted while all its relationships are not, is there way to delete the whole tree in the same transaction ? 回答1: Realm doesn't support cascading delete for now. You can vote for that feature there. In the current case, seems you need to do it manually, one by one. realm

Realm Swift Bundle Data

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问题 I converted a csv file to a realm file and I want to use it in my app. This is my code atm: func inLibrarayFolder(fileName: String) -> URL { return URL(fileURLWithPath: NSSearchPathForDirectoriesInDomains(.libraryDirectory, .userDomainMask, true)[0], isDirectory: true) .appendingPathComponent(fileName) } func copyPreBundleDataCompeletely() { let mainRealmUrl = inLibrarayFolder(fileName: "main.realm") let bundleUrl = Bundle.main.url(forResource: "treesFull", withExtension: "realm")! //After

SwiftUI NavigationLink immediately navigates back

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问题 I am using SwiftUI to create NavigationLinks from rows to detail views in a NavigationView (similar to what is being done in the tutorial https://developer.apple.com/tutorials/swiftui/building-lists-and-navigation). However, when I test in my app, the NavgiationLink immediately navigates back from the detail view to the previous view after being tapped (the detail view only shows up for only a second). Here's the code: struct ItemsView: View { var body: some View { NavigationView { VStack {

how to store java list in realm android database

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问题 How we can store java list in realm android database. I try to store it by using setter method present in my model, but it doesn't work and I get "Each element of 'value' must be a valid managed object" in exception message. public void storeNewsList(String categoryId, List<News> newsList) { Realm realm = Realm.getDefaultInstance(); realm.beginTransaction(); NewsList newsListObj = realm.createObject(NewsList.class); newsListObj.setNewsList(new RealmList<>(newsList.toArray(new News[newsList