#will

componentWillReceiveProps和componentDidUpdate区别

 参数触发时机更新方式componentWillReceivePropscomponentWillReceiveProps(nextProps)只有一个参数nextProps,下一次的props收到新的props之前做一些事情仅在props变化时会触发更新状态是同步的,  不触发重新ren...

尽量不要在viewWillDisappear:方法中移除通知

在了解控制器的生命周期之后,我们都知道viewWillAppear:方法是在控制器的view将要显示的时候调用的,而viewWillDisappear:方法是在控制器的view将要隐藏的时候调用。很多时候我们根据自身需要将相关代码逻辑添加到这两个方法中,我们看下如下代码片段:监听键盘的通知代码 这段代码是在控...

CentOS7 'Username' is not in the sudoers file. This incident will be reported

新装的CentOS需要安装许多软件,但是如果一开始你不是以root登入的话,就需要使用sudo进行切换,但是通常会报错如下图:  先用root用户登入系统,打开文件vi/etc/sudoers将用户名称添加到文件中user_nameALL=(ALL)ALL   ...

org.hibernate.QueryException: Unable to resolve path [SecWilldosetdate.name],xxxxxxxx...异常处理

今天在写hql语句的时候出现了这个错误,然后一直运行到执行hql这儿就出错了。页面报500.原hql如下:Stringhql="fromSecWilldosetdatewherename='secEduplan'";问题如下:org.hibernate.QueryException:Unabletoresolvepat...

Windows下Git使用报错:warning:LF will be replaced by CRLF in ××××.××

 Windows下Git使用报错:warning:LFwillbereplacedbyCRLFin××××.××(文件名)Thefilewillhaveitsoriginallineendinginyourworkingdirectory...

tomcat:A docBase * inside the host appBase has been specifi, and will be ignored

警告:[SetPropertiesRule]{Server/Service/Engine/Host/Context}Settingproperty'source'to'org.eclipse.jst.jee.server:web.project'didnotfindamatchingproperty. &nb...

insert statements will fail to restore data from temporary table. you must correct statements preceded by a warning comment in spcript.

insert statements will fail to restore data from temporary table. you must correct  statem...

Hash history cannot PUSH the same path; a new entry will not be added to the history stack

这个是reactr-router的一个提示,当前路由下的history不能push相同的路径。只有开发环境存在,生产环境不存在,目前还没看到官方有去掉的意思。看不惯的话可以采取一些方法关掉这个提示。具体可以参考ReactTraining/react-router#4467 https://github.com...

react.js Warning: Failed form propType: You provided a value prop to a form field without an onChange handler. This will render a read-only field.

错误信息:eact.js:20483Warning:FailedformpropType:Youprovideda value proptoaformfieldwithoutan onChangehandler.Thiswillrenderaread-onlyfield.Ifthefiel...

Maven 错误 :The POM for com.xxx:jar:0.0.1-SNAPSHOT is invalid, transitive dependencies (if any) will not be available

一个大的maven项目,结构是一个根pom,下面几个小的module,包括了appservice-darc,appservice-entity等,其中appservice-darc依赖了 appservice-entity。 但是呢,对根项目的pom,执行mvncleancomplie是没问题的,但...
代码星球 代码星球·2020-04-06

maven 下载jar失败: resolution will not be reattempted until the update interval of central has elapsed or updates are forced

Multipleannotationsfoundatthisline:-ArtifactTransferException:Failuretotransfercom.fasterxml.jackson.core:jackson-databind:jar:2.9.0.pr3fromhttp://repo1.maven.o...

Tomcat:A cookie header was received[xxxxxx] that contained an invalid cookie. That cookie will be ignored.

 搬运来源:https://blogs.yahoo.co.jp/dk521123/36721868.html*从Tomcat8,Cookie的解析已经符合RFC6265。*由于RFC6265不再接受以前允许的逗号分隔符(例如RFC2109)"Cookie:KEY1=VAL1,KEY2=VAL2"的格式被视为非...

git问题 next fetch will store in remotes/origin

项目在git的下无法查找到需要的Branch但是在Bitbucket下可以查到到通过GitBash,发现gitbranch-a与gitremoteshoworigin输出的远程分支不一样,gitremoteshoworigin命令输出多余的分支:branch_XXXX_XXXX  new(nextf...

[git] warning: LF will be replaced by CRLF | fatal: CRLF would be replaced by LF[ git 处理和修改行结束符(CRLF和LF)]

 我自己的设置是:[core]autocrlf=false[core]safecrlf=true取消自动转换CRLF(上图中选的是commitasis),但是有提交前混用检查本人用的是WINDOWS下的PHPSTORM开发的PHP   遇到这两个错误,是因为Git的换行符检查功能...
首页上一页123下一页尾页