realm

I have seen the benchmarks on the Realm website , how come Realm is so fast compared to SQLite, which has a long development history, being released back in 2000? I was wondering if someone with knowledge could share some general techniques that Realm uses underneath the hood in the database layer? As of March, 2016, only the bindings are open-sourced and the db layer is still closed off. The Realm blog has great technical talks on the subject, but there was no single repository that goes into depth about the reasons behind its performance. This post is an effort to condense the videos and

How can I order my Realm results using multiple properties? I'm sorting them first using one property like this: allShows = Show.allObjects().sortedResultsUsingProperty("dateStart", ascending: true) But now I also want to do a secondary sort by another property "timeStart". I tried like this: allShows = Show.allObjects().sortedResultsUsingProperty("dateStart", ascending: true).sortedResultsUsingProperty("timeStart", ascending: true) This will just make the results sorted only by the second property. Please help. Yoshitaka In RealmSwift we can write multiple properties like this: let

I recently update Xcode to Version 7.1, which included Swift 2.1. I installed Swift 2.1 with no troubles. After attempting to run my project, I realized that I needed to grab the latest version of Realm, since the previous version did not support Swift 2.1. I deleted the old frameworks and imported Realm 0.96.2. Whenever I run, I now get this error: bash: /Users/userName/Library/Developer/Xcode/DerivedData/appName-ghiroqitgsbvfhdqxsscyokyoouz/Build/Products/Debug-iphoneos/appName.app/Frameworks/Realm.framework/strip-frameworks.sh: No such file or directory I suspected the problem was with the

本文链接：https://blog.csdn.net/romantic_PK/article/details/81510003 Apache Shiro是一个强大而灵活的开源安全框架，它能够干净利落地处理身份认证、授权、企业会话管理和加密。相比spring security框架更简单灵活，spring security对spring依赖较强。shiro可以实现web系统、c/s、分布式等系统权限管理。 Shiro完整架构图，如下图： 核心组件： Subject：主体，即当前操作用户 SecurityManager：安全管理器，它是Shiro框架的核心，典型的Facade模式，Shiro通过SecurityManager来管理内部组件实例，并通过它来提供安全管理的各种服务 Realm：领域，充当了Shiro与应用安全数据间的“桥梁”或者“连接器”。也就是说，当对用户执行认证（登录）和授权（访问控制）验证时，Shiro会从应用配置的Realm中查找用户及其权限信息 Authenticator：认证器，AuthenticationStrategy如果存在多个realm，则按着具体的策略进行登录控制，例如：如果有一个realm成功即可登录、必须所有realm都成功才能登录等 Authorizer：授权器，决定subject能拥有什么样角色或者权限。 SessionManager

When using SQLite I usually have a single SQLiteOpenHelper instance per application and I never ever close it, since its database is used continuously by many other classes and closing/reopening it would be slower and more complicated. Now I'm toying with Realm and I'm planning to access Realm instances only from Data Access Objects. Every call will be made from a worker thread. I've been reading the examples and they usually call getInstance/close per Activity or background task. Since Realm persists the data in a file like SQLite, is it a good idea to call getInstance/close for each

The initial size of my apk was 2.3 MB before adding Realm library, after adding the same, the apk size increased to 10.61 MB, is it possible to reduce the size, if yes how? if not then please recommend an alternate to Realm You can use abi splits to reduce size of APK. Normally (without splits) it includes files to support almost all architectures (ARM7, ARMv7, ARM64, x86, MIPS) This is why it's too big. With abi splits, android studio will generate APK for each architecture, and each APK will not include files for any other architecture Just add below section in gradle file. Also check this

Really excited about the recent addition of sharing Realm data between apps and extensions. The documentation details how to set the default realm to the app group directory, I've got that working. Here's what I'm stuck on -- what's the best way to transfer the old database to the new location in the app group? Based on @segiddins comment, I decided to go with moving the old database to the app group using NSFileManager: let fileManager = NSFileManager.defaultManager() //Cache original realm path (documents directory) let originalDefaultRealmPath = RLMRealm.defaultRealmPath() //Generate new

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How could we convert SQLite database to a Realm database? Is there any way to use pre-populated databases with Realm on Android? 回答1: Currently there is no way to automatically convert a SQLite database to a Realm database, you would have to manually read all data from the SQLite database and insert them into Realm. An alternative could be the Realm browser that might make this easier, but it is currently available for MacOS X only. You can read more here: https://github.com/realm/realm-java/issues/435 For the second part: As Realm databases

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm looking at this site, which is supposed to be table to test a TURN server ( according this this answer ). plugin.temasys.com.sg/demo/samples/web/content/peerconnection/trickle-ice/index.html I put in my server info, but couldn't find anything to determine if the server is working. The ice candidates section looks the same even its there's no server chosen. My TURN server is installed on Amazon EC2. I followed the install instructions from the coturn repository here: github.com/coturn/coturn/blob/master/INSTALL The following is what I get

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I was browsing around looking for a solution to implement a small offline data storage in one of my apps which would be easy and quick to use. Anyways, I came across with Realm to do this. But, I'm getting a problem that everytime I launch my app the content in the database is null. I do all the allocation and call the beginWriteTransaction method. Set my database variable value. Then, I add the object to realm and finally commitWriteTransaction . So, I do an NSLog to see if the value is actually set properly which it is(after