当我在命令行中键入'grunt serve'时,服务器挂起运行"并发:服务器"(并发)任务,并且由于任何错误,我没有收到服务器正在结束进程的任何消息.imagemin.js错误不会导致停止服务器
Loading "imagemin.js" tasks...ERROR
>> Error: Cannot find module 'imagemin-gifsicle'
Running "serve" task
Running "clean:server" (clean) task
Running "wiredep:app" (wiredep) task
Running "wiredep:sass" (wiredep) task
Running "concurrent:server" (concurrent) task
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这是我的gruntfile的内容
// Generated on 2014-08-09 using generator-angular 0.9.2
'use strict';
// # Globbing
// for performance reasons we're only matching one level down:
// 'test/spec/{,*/}*.js'
// use this if you want to recursively match all subfolders:
// 'test/spec/**/*.js'
module.exports = function (grunt) {
// Load grunt tasks automatically
require('load-grunt-tasks')(grunt);
// …
Run Code Online (Sandbox Code Playgroud) 当我进入终端中的目录时,我收到此警告。如何修复它。我也在 heroku 上运行我的应用程序,所以我想知道 heroku 与系统上安装的某些内容之间是否存在任何冲突
RVM used your Gemfile for selecting Ruby, it is all fine - Heroku does that too,
you can ignore these warnings with 'rvm rvmrc warning ignore /Users/Gemfile'.
To ignore the warning for all files run 'rvm rvmrc warning ignore allGemfiles'
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.
我正在按照http://tutorials.jumpstartlab.com/projects/contact_manager.html构建联系人管理器应用程序的教程
我在部署后发出htis错误消息"您正在寻找的页面不存在.
您可能输错了地址或页面可能已移动."该页面位于http://safe-tundra-2124.herokuapp.com/
这是来自heroku日志的记录
2014-08-01T21:21:56.962286+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=1bf78c7b-2d92-467d-a655-f860501ec2ad fwd="198.105.46.47" dyno=web.1 connect=11 service=6 status=404 bytes=606
2014-08-01T21:21:57.255981+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=4f2708d7-ce66-435f-a636-a83272b146a6 fwd="198.105.46.47" dyno=web.1 connect=1 service=5 status=404 bytes=605
2014-08-01T21:21:57.566890+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=85a96d39-2a15-4a3e-859e-9d5ae0328169 fwd="198.105.46.47" dyno=web.1 connect=10 service=32 status=404 bytes=606
2014-08-01T21:21:57.782291+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=dcd61f4e-9033-4e9a-bbeb-8c3c6e199e91 fwd="198.105.46.47" dyno=web.1 connect=1 service=6 status=404 bytes=605
2014-08-01T21:22:34.256509+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=6e960760-c293-4ff5-8ca7-f73e4629eb06 fwd="198.105.46.47" dyno=web.1 connect=0 service=5 status=404 bytes=605
2014-08-01T21:22:35.399376+00:00 heroku[router]: at=info method=GET path="/" host=safe-tundra-2124.herokuapp.com request_id=017e319d-f1e6-467b-ae54-c0829f8ca160 fwd="198.105.46.47" …
Run Code Online (Sandbox Code Playgroud) 我的普通终端命令行突然消失,并被此git命令行替换? ~ git:(master) ?
.
如何摆脱这种情况并返回终端中的正常命令行?我在Mac OS X上.
我曾尝试打字exit
,Ctrl+ c,q等,但没有任何帮助.
我试图通过使用try catch块或抛出异常方法来捕获以下代码中的异常.我已尝试使用try catch块并在代码中的不同位置抛出异常方法但我仍然无法捕获异常
package thowsexception;
import java.io.IOException;
import java.rmi.AccessException;
public class IOexception {
public int example1(int i, int j) throws ArithmeticException {
int k ;
if (i == 0){
throw new ArithmeticException("cannot Divide By 0");
}
return i /j ;
// try {
//
// k = i/j ;
// }
//
// catch (ArithmeticException e){
//
// System.out.println("Error: Don't divide a number by zero");
// }
}
}
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主类
package thowsexception;
import java.io.IOException;
public class IOexception {
public static …
Run Code Online (Sandbox Code Playgroud) 我正在尝试编写一个简单的程序来使用堆栈。它给了我错误
Stack 类型不是通用的;它不能用参数参数化
import java.util.*;
public class Stack {
public static void main(String[] args)
{
Stack<Character> stack = new Stack<> ();
s.push("Hello");
System.out.println(s);
}
}
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