我正在使用jacoco:report标签生成jacoco报告.我收到的错误如下:
[jacoco:report] Classes in bundle 'Code Coverage Report' do no match with execution data. For report generation the same class files must be used as at runtime.
[jacoco:report] Execution data for class xxxxx does not match.
[jacoco:report] Execution data for class yyyyy does not match.
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蚂蚁报告目标如下:
<target name="report">
<jacoco:report>
<executiondata>
<file file="${jacocoexec.dir}/${jacocoexec.filename}"/>
</executiondata>
<!-- the class files and optional source files ... -->
<structure name="Code Coverage Report">
<classfiles>
<fileset file="./jar/abc.jar"/>
</classfiles>
<sourcefiles>
<fileset dir="./code/src"/>
</sourcefiles>
</structure>
<!-- to produce reports …Run Code Online (Sandbox Code Playgroud) 我在linux主机上发出的free命令的输出如下:
free
total used free shared buff/cache available
Mem: 263846320 47746620 3290072 1140808 212809628 214382420
Swap: 0 0 0
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我无法弄清楚这个可用部分指定的内容.尽管总内存很高并且使用的内存仅为18.09%,但可用内存的显示非常少,即大约1.24%.
free -h
total used free shared buff/cache available
Mem: 251G 45G 3.1G 1.1G 202G 204G
Swap: 0B 0B 0B
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这是否意味着我无法启动更多应用程序,因为可用内存非常少.使用的内存仅为18%.所以不应该释放82%而不是1.24%,因为命令显示在上面.
我很迷惑.有人可以帮忙吗?
我需要在电报中格式化我的文本。我尝试使用 Markdown 语言来表达以下文本:
* Item
* Item
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它按原样打印文本。它应该打印子弹。
我正在关注此链接: https: //wordpress.com/support/markdown-quick-reference/
我正在使用命令为远程计算机上的文件夹创建python httpserver:
python -m SimpleHTTPServer 9999
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但是我无法使用此功能在浏览器中查看文件。单击链接后,文件即被下载。有没有一种方法可以创建服务器,以便我只能在浏览器中查看文件。
以下是我正在使用的jsp页面的主体:
<body>
<%
String schema=(String)request.getAttribute("schema");
if(schema!=null)
{
**out.println(schema);**
}
else
out.println("no schema found");
%>
</body>
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“ out.println();” 在浏览器中未显示xml内容。
shcmea的内容是:
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://edd.att.com/cnmeddservice" targetNamespace="http://edd.att.com/cnmeddservice" elementFormDefault="qualified">
<xsd:include schemaLocation="EDD_DataTypes.xsd"/>
<xsd:include schemaLocation="EDD_Internal_DataTypes.xsd"/>
<xsd:element name="RET_MAIL">
<xsd:annotation>
<xsd:documentation>Represents the eddbdsbatch request for RET_MAIL</xsd:documentation>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element name="AccountNumber">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:maxLength value="15"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="cType">
<xsd:simpleType>
<xsd:restriction base="CtypeType">
<xsd:enumeration value="RET_MAIL"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="RequestId">
<xsd:simpleType>
<xsd:restriction base="xsd:integer">
<xsd:pattern value="[0-9]{1,9}"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="BillingId" minOccurs="0">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:maxLength …Run Code Online (Sandbox Code Playgroud) 我正在学习的那本书使用另一个库来阅读输入,所以它无法帮助我....
我看不出我的错误在哪里.算法:
重复
While i < 2*n
i+1
Write 1/(2*i+1) to the console.
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我的代码:
import java.util.Scanner;
public class Aufgabe420 {
public static void main (String[] args) {
int i, n;
System.out.println("Please enter a number!");
Scanner sc = new Scanner(System.in);
n = sc.nextInt();
System.out.println("n ="+n);
System.out.println("The while-loop starts!");
i = 3;
while (i < 2*n){
i += 1;
System.out.println(1/(2*i+1));
}
System.out.println("now with for-loop");
for (i = 3; i < (2*n); i+=1) {
System.out.println(1/(2*i+1));
}
}
}
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但尝试一下,结果是:请输入一个数字!五
n …
我需要将ID列表转换为ID数组。我可以通过多种方式来做到这一点,但不确定应该使用哪种方式。
说,
1. ids.stream().toArray(Id[]::new)
2. ids.toArray(new Id[ids.length])
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哪一个效率更高?为什么?
我有3个测试类如下:
package com.junittest.testcases;
Test3类:
import junit.framework.TestCase;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import annotations.DataSetRule;
import annotations.DataSets;
import com.junittest.test.MyClass;
public class Test3 extends TestCase{
MyClass m = new MyClass();
String group = "user";
@Rule
public TestRule dataSetRule = new DataSetRule();
@Test
public void test5() {
System.out.println("In Test 5");
//assertEquals(5, m.add(2,3));
}
@Test
public void test6() throws Exception {
org.junit.Assume.assumeTrue(group.equals("user"));
System.out.println("In Test 6");
//assertEquals(-2, m.sub(2,3));
}
@DataSets({"dataset","dataset1"})
@Test
public void test7() {
System.out.println("In Test 7");
}
@Ignore
@Test
public void …Run Code Online (Sandbox Code Playgroud) 我正在浏览 java 8 中引入的 Predicate 类,它是函数式接口。Predicate 类中有一个方法和方法,用于将多个谓词组合成一个。
default Predicate<T> and(Predicate<? super T> other) {
Objects.requireNonNull(other);
return (t) -> test(t) && other.test(t);
}
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我已经阅读了 Java 中 PECS 的概念,但仍然无法理解为什么在 Predicate 的情况下我们使用? super T. Java 程序员如何决定它将成为消费者而不是生产者。
我的意思是为什么不允许出现编译错误的行:
public class PredicateExample {
public static void main(String[] args) {
Predicate<Number> pred = n -> n.intValue() > 2;
Predicate<Integer> predInt = n -> n > 3;
//Compile error
//pred.and(predInt);
Predicate<Object> predObj = o -> Integer.parseInt(o.toString()) > 4;
pred.and(predObj); //Valid statement
Number n = new …Run Code Online (Sandbox Code Playgroud) 我正在尝试对我的动作类Employee1进行验证.我使用了Employee1-validation.xml文件.我得到这样的例外:
18:19:56,795 ERROR AnnotationActionValidatorManager:38 - Caught exception while loading file com/struts2examples/Employee1-validation.xml
Connection refused: connect - [unknown location]
at com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:119)
at com.opensymphony.xwork2.validator.DefaultValidatorFileParser.parseActionValidatorConfigs(DefaultValidatorFileParser.java:82)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.loadFile(AnnotationActionValidatorManager.java:394)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildClassValidatorConfigs(AnnotationActionValidatorManager.java:279)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.buildValidatorConfigs(AnnotationActionValidatorManager.java:371)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.getValidators(AnnotationActionValidatorManager.java:99)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.validate(AnnotationActionValidatorManager.java:141)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.validate(AnnotationActionValidatorManager.java:133)
at com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.validate(AnnotationActionValidatorManager.java:128)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doBeforeInvocation(ValidationInterceptor.java:222)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
at …Run Code Online (Sandbox Code Playgroud) 我在运行Hibernate代码时遇到异常.我对休眠很新.请让我知道我错过了什么.
Nov 13, 2013 5:53:41 PM org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final}
Nov 13, 2013 5:53:41 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.7.Final}
Nov 13, 2013 5:53:41 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
Nov 13, 2013 5:53:41 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
Nov 13, 2013 5:53:41 PM org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
Nov 13, 2013 5:53:41 PM org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
Nov 13, 2013 …Run Code Online (Sandbox Code Playgroud) 我是 Python 的新手。我正在尝试在 python 中迭代一个列表并以这种方式打印元素:
for i in list
print i
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但我收到这样的错误:
for i in list
^
SyntaxError: invalid syntax
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我有一个类似的代码,它工作正常:
list_unique = []
for i in list:
if i not in list_unique:
list_unique.append(i)
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我无法理解其中的区别。有人可以帮忙吗?