Eclipse快捷键在Windows中突然不起作用,即使是基本需要的快捷键也可以是'ctrl + F'或'crtl + c'.我希望如果我重启eclipse它会解决,但我做不到,因为我的应用程序在eclipse中运行.我确保在eclipse或所有窗口中发生这种情况.但是在notepad ++编辑器中没有发生同样的情况.
它看起来很奇怪,但它正在发生.
在某些情况下,我必须替换/删除行以特定单词开头,如'public''private'Java类或<version>XML文件.
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${version.bean.validation.hibernate}</version>
</dependency>
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这里使用find/replace,我想删除所有以#开头的行'<version>'.如何实现这一目标.
我使用的是Windows 7,Java 1.7,Grails 2.1.4,Groovy 2.0.4和Tomcat 7.0.37.
执行我的项目时,我收到以下错误:
Apr 5, 2013 11:08:00 AM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(/software/apache-tomcat-7.0.37/webapps/aaaportal-0.1/WEB-INF/lib/javax.servlet-api-3.0.1.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
Apr 5, 2013 11:08:13 AM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already. Could not load org.bouncycastle.jce.provider.JDKKeyPairGenerator$RSABeanInfo. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and …Run Code Online (Sandbox Code Playgroud) 你知道如何添加一些结束线吗?
"=========================================================================================="
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每场比赛后
tail -f error.log -n 2000 | grep -B 10 -A 25 'Exception:'
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此命令打印所有异常日志,但我喜欢看到每个异常日志的一个分隔符行.
我正在尝试在我的 React 应用程序中添加 iframe 组件。但我需要向 url 添加身份验证密钥。
我是 React 新手,我正在尝试这种方式:
import React, {useEffect, useState} from 'react';
function IframeComp() {
const [content, setContent] = useState('');
useEffect(() => {
// Fetch the content using the method of your choice
const fetchedContent = '<h1>Some HTML</h1>';
setContent(fetchedContent);
}, []);
return (
<iframe sandbox id="inlineFrameExample"
title="Inline Frame Example"
width="300"
height="200"
src={content}>
</iframe>
);
}
export default IframeComp;
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我在 Stack Overflow 中找到了解决方案(Is it possible to add Request Headers to an iframe src request?)(https://github.com/courajs/pdf-poc/blob/master/script.js …
maven installsub_app然后创建新的sub_app-0.1.jar文件.grails clean,它没有从.m2获得我的新sub_app-0.1.jar.但是,如果我从ivy-cache中删除(删除)sub_app-0.1.jar文件并运行grails clean它,那么它会将新的sub_app-0.1.jar文件添加到ivy-cache中.
如果我更改子应用程序pom和grails pom中的版本,Grails将采用最新版本.再安装它没有服用.
即.Grails只考虑常春藤缓存中的jar名称和版本,如果有 - 它不需要.如果没有 - 它取自.m2.
但它不考虑新旧构建.
如何在步骤4中获得相同的行为(步骤5)?
运行Grails应用程序时出错.
我的应用程序在Grails 2.1.4中工作.
我在用
Groovy 2.1.*
Java 1.7
Tomcat 7.0.37
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我将我的应用程序从Grails 2.1.4升级到2.3.0.M1.我收到这样的错误之后:
| Loading Grails 2.3.0.M1
| Configuring classpath
| Error SLF4J: Class path contains multiple SLF4J bindings.
| Error SLF4J: Found binding in [jar:file:/home/testuser/.m2/repository/org/grails/grails-plugin-log4j/2.3.0.M1/grails-plugin-log4j-2.3.0.M1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
| Error SLF4J: Found binding in [jar:file:/home/testuser/.m2/repository/org/slf4j/slf4j-log4j12/1.6.6/slf4j-log4j12-1.6.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
| Error SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
| Error SLF4J: Actual binding is of type [org.slf4j.impl.GrailsSlf4jLoggerFactory]
| Configuring classpath.
| Environment set to development.....
| Packaging Grails application.....
| Compiling 143 source files.
Copying properties file...
| …Run Code Online (Sandbox Code Playgroud) 我在 Linux_Machine_1 中使用 Jenkings。它有大约20个作业(成功运行作业)
我将 .jenkins 文件夹复制到 Linux_Machine_2。我在 Linux_Machine_2 中启动了 Jenkins。
我尝试运行其中一项作业,但收到以下错误:
Started by user anonymous
Building in workspace /home/portaldev/.jenkins/workspace/Trunk_Build
[Trunk_Build] $ /usr/local/bin/bash -xe /tmp/hudson1846171411013031358.sh
FATAL: command execution failed
java.io.IOException: Cannot run program "/usr/local/bin/bash" (in directory "/home/portaldev/.jenkins/workspace/Trunk_Build"): error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
at hudson.Proc$LocalProc.<init>(Proc.java:244)
at hudson.Proc$LocalProc.<init>(Proc.java:216)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:763)
at hudson.Launcher$ProcStarter.start(Launcher.java:353)
at hudson.Launcher$ProcStarter.join(Launcher.java:360)
at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:91)
at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:60)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:804)
at hudson.model.Build$BuildExecution.build(Build.java:199)
at hudson.model.Build$BuildExecution.doRun(Build.java:160)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:586)
at hudson.model.Run.execute(Run.java:1576)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:241)
Caused by: java.io.IOException: …Run Code Online (Sandbox Code Playgroud) 我正在学习Scala,但我很难理解它.我在其中一个教程中得到了一些Scala代码,但我无法理解一些事情.
这是代码:
class Person(val id:Int,
var firstName:String,
var lastName:String,
private var _age:Int) {
// these methods are identical to what would be created by var in the constructor
def age = _age
def age_=(newAge:Int) = _age = newAage
}
val me = new Person(45,"Dave","Copeland",35)
me.firstName = "David"
me.age = 36
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我不明白:
为什么_age,为什么不age,有什么特别的好处或只是一个惯例来理解为私人.
是什么_=在def age_=(newAge:Int) = _age = newAage
什么这一说法做.
我正在尝试更改有关 Sonarqube 设置的 Jenkins 工作。所以我打开了我的 Jenkins 作业配置,我看到了这样的东西
sonar.issue.ignore.multicriteria=e1,e2,e3,e4,e5
sonar.issue.ignore.multicriteria.e1.ruleKey=squid:S00112
sonar.issue.ignore.multicriteria.e1.resourceKey=**/*.java
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我正在 Sonarqube 文档中搜索 ruleKey "squid:S00112",但我找不到任何关于它的参考。
我需要添加更多规则来忽略。但我无法识别规则规则键值(如 ruleKey=squid:S00112)。