realm

Drop a table in a RealmSwift migration

心不动则不痛 提交于 2020-04-18 09:59:01
问题 I am removing an old unused table from the schema. How can I delete it (DROP Table) from older versions of the app? What I have tried so far Removed GameScore.self from configration.objectTypes Bumped schema version Run the app Opened Realm Studio and the table GameScore is still there with the data that was already there previously Adding config.migrationBlock = { migration, oldSchemaVersion in if oldSchemaVersion < 10 { migration.enumerateObjects(ofType: "GameScore", { (oldObject, newObject

Drop a table in a RealmSwift migration

て烟熏妆下的殇ゞ 提交于 2020-04-18 09:51:05
问题 I am removing an old unused table from the schema. How can I delete it (DROP Table) from older versions of the app? What I have tried so far Removed GameScore.self from configration.objectTypes Bumped schema version Run the app Opened Realm Studio and the table GameScore is still there with the data that was already there previously Adding config.migrationBlock = { migration, oldSchemaVersion in if oldSchemaVersion < 10 { migration.enumerateObjects(ofType: "GameScore", { (oldObject, newObject

Drop a table in a RealmSwift migration

血红的双手。 提交于 2020-04-18 09:50:31
问题 I am removing an old unused table from the schema. How can I delete it (DROP Table) from older versions of the app? What I have tried so far Removed GameScore.self from configration.objectTypes Bumped schema version Run the app Opened Realm Studio and the table GameScore is still there with the data that was already there previously Adding config.migrationBlock = { migration, oldSchemaVersion in if oldSchemaVersion < 10 { migration.enumerateObjects(ofType: "GameScore", { (oldObject, newObject

tomcat8安装https证书

那年仲夏 提交于 2020-04-17 08:33:33
【推荐阅读】微服务还能火多久?>>> 1、进入网址 https://myssl.com/cert_convert.html 将证书转成jks格式,并放到tomcat conf根目录下 2、打开tomcat server.xml 配置   将如下配置放开注释,并改成如下: <Connector port="443" protocol="org.apache.coyote.http11.Http11NioProtocol" maxThreads="150" SSLEnabled="true"> <SSLHostConfig> <Certificate certificateKeystoreFile="conf\你的jks证书文件" certificateKeystorePassword="证书密码" type="RSA" /> </SSLHostConfig> </Connector>   注意将端口改为443,https默认端口443 3、将 http 自动转换为 https <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="443" /> 4、打开web.xml配置 <login-config> <!-- Authorization setting for SSL -

【AlwaysOn】利用HAProxy代理SQL Server的AlwaysOn辅助副本【转】

最后都变了- 提交于 2020-04-16 19:50:22
【推荐阅读】微服务还能火多久?>>> 转自: https://www.cnblogs.com/lyhabc/p/5820492.html   利用HAProxy代理SQL Server的AlwaysOn辅助副本 公司最近数据库升级到SQL Server2014 ,并部署了alwayson高可用集群 机房内有三套程序需要读取数据库 第一套:主程序,读写数据库,连接主副本 第二套:报表程序,读报表,连接辅助副本 第三套:历史库程序,读历史库,连接辅助副本 软件环境 机器环境 架构图 为什麽需要使用HAProxy? 之前机房里面有2000个终端,这些终端是一个很小的嵌入式设备,第二套报表程序原来是使用直连数据库IP(10.11.10.36)来连接数据库 但这样有一个弊端,当36这台辅助副本宕机,那么报表程序就瘫痪了,因为2000个终端要更改数据库连接需要烧写程序到终端里面非常耗费时间 可能要几天时间 最后决定使用HAProxy做负载均衡和TCP连接重定向 使用HAProxy有几个好处 1、前端不需要后端数据库的实际IP,当需要升级后端数据库,比如打补丁的时候特别方便 2、HAProxy能够自动检测后端数据库服务,探测1433端口是否存活,如果1433端口出问题,能够自动重定向连接到37这台辅助副本 3、减轻单台读库压力,使用RR轮询算法,请求均衡分发到36和37这两台辅助副本

spring boot 基于 shiro / spring security 实现自定义登录

隐身守侯 提交于 2020-04-16 18:21:26
【推荐阅读】微服务还能火多久?>>> shiro shiro 配置文件 /** * Shiro配置 */ @Configuration @RequiredArgsConstructor public class ShiroConfig { private final ShiroService shiroService; private final SysUserTokenService sysUserTokenService; private final SysCaptchaService sysCaptchaService; private final Gson gson; /** * 自定义权限管理 * * @see ShiroConfiguration * @see DefaultSecurityManager */ @Bean("securityManager") public DefaultWebSecurityManager defaultWebSecurityManager() { DefaultWebSecurityManager defaultWebSecurityManager = new DefaultWebSecurityManager(); // realms ArrayList<Realm> realms = new ArrayList<>();

backing up a realm db in react native?

谁说胖子不能爱 提交于 2020-04-14 02:25:11
问题 I'm trying to backup the realm database in the app to a cloud storage solution like Dropbox. I'm currently using the react-native-fs to read the file in base64 and then upload it. All that works fine but when I try to restore it back the file seems corrupted (encryption message, even though it is not encrypted) which leads me to presume I'm doing something wrong. Is there any specific best practices to back the realm database in react-native? Cheers 来源: https://stackoverflow.com/questions

JavaWeb-Tomcat安全域

a 夏天 提交于 2020-04-11 08:42:56
概述 安全域是 Web 服务器用来保护 Web 资源的一种机制. 在安全域中可以配置安全验证信息,即用户信息(包括用户名和口令),以及用户和角色的映射关系. 每个用户可以有一个或多个角色,每个角色限定了可访问的 Web 资源,一个用户可以访问其拥有的所有角色对应的资源. 安全域是 Tomcat 内置的功能,在 org.apache.catalina.Realm 接口中声明了把一组用户名,口令及所关联的角色集成到 Tomcat 中的方法. 安全域的类型 安全域类型 类名 描述 内存域 MemoryRealm 在初始化阶段,从 XML 文件中读取安全验证信息,并把它们以一组对象的形式存放在内存中 JDBC 域 JDBCRealm 通过 JDBC 驱动程序访问存放在数据库中的安全验证信息 数据源域 DataSourceRealm 通过 JNDI 数据源访问存放在数据库中的安全验证信息 JNDI 域 JNDIRealm 通过 JNDI provider 访问存放在基于 LDAP 的目录服务器中的安全验证信息 JAAS 域 JAASRealm 利用 JAAS(Java Authentication & Authorization Service,Java验证与授权服务) 框架进行验证 不管配置哪一种类型的安全域,都包含以下步骤 在 Web 应用的 WEB-INF/web.xml 文件中为

&apos;Primary key property &apos;name&apos; does not exist on object &apos;RealmSwiftPermissionRole&apos;&apos;

℡╲_俬逩灬. 提交于 2020-04-10 23:32:53
2020-04-10 23:06:08.994872+0800 LoveStorage[13562:165173] *** Terminating app due to uncaught exception 'RLMException', reason: 'Primary key property 'name' does not exist on object 'RealmSwiftPermissionRole'' swfit使用Realm,编译时报上述错误,修改podfile pod 'Realm', git: 'https://github.com/realm/realm-cocoa.git', branch: 'master', submodules: true pod 'RealmSwift', git: 'https://github.com/realm/realm-cocoa.git', branch: 'master', submodules: true 然后执行pod install即可 来源: oschina 链接: https://my.oschina.net/dong706/blog/3228234

Index out of bounds when using Realm with SwiftUI

こ雲淡風輕ζ 提交于 2020-04-07 16:48:10
问题 I've been playing around with SwiftUI a bit and have been writing a small meal planner/todo list style app. I was able to get Realm working with SwiftUI and wrote a small wrapper object to get Realm change notifications to update the UI. This works great for adding items and the UI gets properly updated. However, when deleting an item using swipe to delete or other methods, I get an index out of bounds error from Realm. Here's some code: ContentView: struct ContentView : View {