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#KEY

e620. Activating a Keystroke When Any Component in the Window Has Focus
Normally,akeystrokeregisteredtoacomponentisactivatedwhenthecomponenthasthefocus.ThistypeofactivationconditioniscalledWHEN_FOCUSED.Itispossibletospecifythatakeys...
代码星球 ·2021-02-12

e610. Setting Focus Traversal Keys in a Component
Whenthefocusisonacomponent,anyfocustraversalkeyssetforthatcomponentoverridethedefaultfocustraversalkeys.Foranexampleofhowtochangethefocustraversalkeysfortheenti...
代码星球 ·2021-02-12

e611. Setting Focus Traversal Keys for the Entire Application
Thisexamplechangesthefocustraversalkeysfortheentireapplication.Foranexampleofhowtochangethefocustraversalkeysforaparticularcomponent,seee610SettingFocusTraversa...
代码星球 ·2021-02-12

e621. Activating a Keystroke When Any Child Component Has Focus
Normally,akeystrokeregisteredonacomponentisactivatedwhenthecomponenthasthefocus.ThistypeofactivationconditioniscalledWHEN_FOCUSED.Itispossibletospecifythatakeys...
代码星球 ·2021-02-12

e636. Listening to All Key Events Before Delivery to Focused Component
Registeringakeyeventdispatcherwiththekeyboardfocusmanagerallowsyoutoseeallkeyeventsbeforetheyaresenttothefocusedcomponent.Itispossibletomodifytheeventorevenprev...
代码星球 ·2021-02-12

阿里云 putty链接服务器出现 server refused our key
阿里云putty链接服务器出现serverrefusedourkey创建了密钥对绑定实例，puttygen生成ppk，putty配置参数，连接，一步一步来的，结果出现serverrefusedoutkey，...
代码星球 ·2021-02-11

windows下测试flask的例子tuorial报错flask KeyError: 'DATABASE'
windows下测试flask的例子tuorial报错flaskKeyError:'DATABASE'flaskKeyError:'DATABASE'提示是变量database错误由于使用的windows环境，需要把意思代码加入app.config.update(dict(DATABASE='E:pythonflask...
代码星球 ·2021-02-11

tampermonkey修改页面音频播放地址
 //==UserScript==//@name音频地址替换//@namespacehttp://tampermonkey.net///@version0.1//@descriptiontrytotakeovertheworld!//@authorYou//@matchhttp://ip/sw/quality...
代码星球 ·2021-02-11

@cacheevict 清除多个key
@Caching(evict={@CacheEvict(“a1”),@CacheEvict(“a2”,allEntries=true)})；参考：https://www.cnblogs.com/haoke/p/4986999.html...
代码星球 ·2021-02-11

springboot Cacheable（redis），解决key乱码问题
importorg.springframework.context.annotation.Bean;importorg.springframework.data.redis.core.RedisTemplate;importorg.springframework.data.redis.serializer.Generi...
代码星球 ·2021-02-11

GitHub上SSH keys和Deploy keys的区别
/平时安装一个git然后去GitHub进行SSHkeys配置最后就开始使用，然后换一台电脑再使用$ssh-keygen-trsa-C"youremail"生成一个sshkey将其添加到自己到github中去，然而发现添加后这台电脑就可以对账号下所以对项目进行操作了，于是在想一个开源项作者要如何限制目其他捐赠者只能操作指...
代码星球 ·2021-02-10

How can I list all foreign keys referencing a given table in SQL Server?
 howtocheckifcolumnsintablewasusedasforeignkeyinothertables NotsurewhynoonesuggestedbutIusesp_fkeystoqueryforeignkeysforagiventable:EXECsp_fkeys'Table...
代码星球 ·2021-02-08

Is it bad to rely on foreign key cascading? 外键 级联操作
I'llpreface前言thisbysayingthatIrarelydeleterowsperiod.Generallymostdatayouwanttokeep.Yousimplymarkitasdeletedsoitwon'tbeshowntousers(ietothemitappearsdeleted).Of...
代码星球 ·2021-02-08

外键 Foreign keys
https://docs.microsoft.com/en-us/sql/relational-databases/tables/create-foreign-key-relationships?view=sql-server-2017UsingSQLServerManagementStudioInObjectExpl...
代码星球 ·2021-02-08

The JavaScript this Keyword
https://www.w3schools.com/js/js_this.aspTheJavaScriptthiskeywordreferstotheobjectitbelongsto.Ithasdifferentvaluesdependingonwhereitisused:Inamethod,thisrefersto...
代码星球 ·2021-02-08
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