小编Mou*_*wi7的帖子

我想让textarea的高度等于其中文本的高度(并删除滚动条)

HTML

<textarea id="note">SOME TEXT</textarea>

CSS

textarea#note {
    width:100%;
    direction:rtl;
    display:block;
    max-width:100%;
    line-height:1.5;
    padding:15px 15px 30px;
    border-radius:3px;
    border:1px solid #F7E98D;
    font:13px Tahoma, cursive;
    transition:box-shadow 0.5s ease;
    box-shadow:0 4px 6px rgba(0,0,0,0.1);
    font-smoothing:subpixel-antialiased;
    background:linear-gradient(#F9EFAF, #F7E98D);
    background:-o-linear-gradient(#F9EFAF, #F7E98D);
    background:-ms-linear-gradient(#F9EFAF, #F7E98D);
    background:-moz-linear-gradient(#F9EFAF, #F7E98D);
    background:-webkit-linear-gradient(#F9EFAF, #F7E98D);
}

JsFiddle:http://jsfiddle.net/Tw9Rj/

当我尝试使用webpack 构建SASS文件时,出现以下错误:

找不到模块:错误:无法解析模块'file-loader'

请注意,此问题仅在我尝试使用相对路径加载背景图像时发生.

这项工作很好:

  background:url(http://localhost:8080/images/magnifier.png);

这导致了问题:

   background:url(../images/magnifier.png);

这是我的项目结构

• 图片
• 款式
• webpack.config.js

这是我的webpack文件:

var path = require('path');
module.exports = {
    entry: {
        build: [
            './scripts/app.jsx',
            'webpack-dev-server/client?http://localhost:8080',
            'webpack/hot/only-dev-server'
        ]
    },
    output: {
        path: path.join(__dirname, 'public'),
        publicPath: 'http://localhost:8080/',
        filename: 'public/[name].js'
    },
    module: {
        loaders: [
            {test: /\.jsx?$/, loaders: ['react-hot', 'babel?stage=0'], exclude: /node_modules/},
            {test: /\.scss$/, loaders: ['style', 'css', 'sass']},
            {test: /\.(png|jpg)$/, loader: 'file-loader'},
            {test: /\.(ttf|eot|svg|woff(2)?)(\?[a-z0-9]+)?$/, loader: 'file-loader'}
        ]
    },
    resolve: {
        extensions: ['', '.js', '.jsx', '.scss', '.eot', '.ttf', '.svg', '.woff'],
        modulesDirectories: …

我有一个PHP工作者,我可以在那里记录事件到AWS.不幸的是,当我尝试提交它时,我收到以下错误.

InvalidSequenceTokenException在" https://logs.eu-west-1.amazonaws.com " 上执行"PutLogEvents"时出错; AWS HTTP错误:客户端错误: POST https://logs.eu-west-1.amazonaws.com导致400 Bad Request响应:{"_ _ type":"InvalidSequenceTokenException","expectedSequenceToken":"999999999999990356407851919528174(截断...)InvalidSequenceTokenException(client):给定的sequenceToken无效.下一个预期的sequenceToken是: 495599999999988500356407851919528174642 - {"_ _ type":"InvalidSequenceTokenException","expectedSequenceToken":"495573099999999900356407851919528174642","message":"给定的sequenceToken无效.下一个预期的sequenceToken是:495579999999900356407851919528174642"}

这是我的代码

 $date = new DateTime();
 $instance= = new CloudWatchLogsClient([
                'region' => 'eu-west-1',
                'version' => 'latest',
                'credentials' => [
                    'key' => 'XXX',
                    'secret' => 'XXXX'
                ]
            ]);
        $instance->putLogEvents([
                'logGroupName' => "WorkerLog",
                'logStreamName' => "log",
                'logEvents' => [
                    [
                        'timestamp' => $date->getTimestamp(),
                        'message' => "test log"
                    ]
                ]
            ]);

我正在开发一个使用phonegap的移动应用程序,它将一些数据存储到本地数据库(sqlite DB).我需要知道数据库是否存在,以及确定需要执行哪个进程.

var database = window.openDatabase("my_db", "1.0", "sample DB", 30000);
if (check_db_exist()) {
    process_1();
}
else
{
    process_2();
}

我正在创建一个移动应用程序.用户可以从移动设备中选择一张图片然后我模糊它....问题是,当用户选择一张大图片(超过2 MB)时,该应用程序.崩溃.

JS代码:

convert_local_image_base64: function(url, callback) {
    var canvas = document.createElement('CANVAS'),
            ctx = canvas.getContext('2d'),
            img = new Image;
    img.crossOrigin = 'anonymous';
    img.onload = function() {
        canvas.height = img.height;
        canvas.width = img.width;
        ctx.drawImage(img, 0, 0);
        var dataURL = canvas.toDataURL('image/png');
        callback.call(this, dataURL);
        canvas = null;
    };
    img.src = url;
},

那么还有另一种方法可以实现类似的操作吗？

当我尝试使用以下命令生成发布版本时:

cd android && ./gradlew assembleRelease

在目录中生成一个apk文件:

/app/build/outputs/apk/app-release-unsigned.apk

不幸的是,当我尝试使用Android 5在我的手机上安装apk时,我收到以下错误:

解析包时出现问题.

请注意,我正在使用Windows下的本机反应.

我已经安装了最新版本的phonegap-facebook-plugin 但是当我构建项目时,我收到了以下错误消息.我尝试了stackoverflow和其他网站上提到的许多解决方案,没有任何积极的结果.

com.phonegap.plugins.facebookconnect/FacebookConnectPlugin.m:11:
Et3arrafApp/Plugins/com.phonegap.plugins.facebookconnect/FacebookConnectPlugin.h:11:9: fatal error:
      'FacebookSDK/FacebookSDK.h' file not found
#import <FacebookSDK/FacebookSDK.h>
        ^
1 error generated.

** BUILD FAILED **


The following build commands failed:
    CompileC build/Et3arrafApp.build/Debug-iphonesimulator/Et3arrafApp.build/Objects-normal/i386/FacebookConnectPlugin.o Et3arrafApp/Plugins/com.phonegap.plugins.facebookconnect/FacebookConnectPlugin.m normal i386 objective-c com.apple.compilers.llvm.clang.1_0.compiler
(1 failure)
Error: /Users/apple/Desktop/et3arraf/platforms/ios/cordova/build: Command failed with exit code 65
    at ChildProcess.whenDone (/usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/cordova/superspawn.js:131:23)
    at ChildProcess.EventEmitter.emit (events.js:98:17)
    at maybeClose (child_process.js:753:16)
    at Process.ChildProcess._handle.onexit (child_process.js:820:5)

我成功地在Windows计算机上安装了最新版本的cordova(3.4).但是当我使用eclipse运行构建项目并运行它时,发生以下错误:无法找到HelloCordova-CordovaLib.apk,这阻止我使用cordova API.请注意,"HelloCordova"是项目名称.

我正在使用PHP成功为我的Android用户发送GCM推送通知,但我想为我的推送通知设置过期日期,这样如果用户1周没有互联网连接,它将不会收到旧的推送通知.我怎么能实现它.

谢谢.

这是php代码:

 private $GOOGLE_API_KEY = "XXXXX";

    public function send($registration_id, $data) {
        // include config
        // Set POST variables
        $url = 'https://android.googleapis.com/gcm/send';
        $fields = array(
            'registration_ids' => $registration_id,
            'data' => $data,
        );
        $headers = array(
            'Authorization: key=' . $this->GOOGLE_API_KEY,
            'Content-Type: application/json'
        );
        // Open connection
        $ch = curl_init();
        // Set the url, number of POST vars, POST data
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        // Disabling SSL Certificate support temporarly
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, …

我正在使用子Context技术将上下文传递给应用程序的子代.

Child上下文成功传递给Header组件,但不会传递给Encounter组件.有任何想法来解决这个问题.谢谢.

应用:

 export default class Application extends React.Component {
 constructor(props, context){
  super(props);
  this._onDataReceived=this._onDataReceived.bind(this);
}

componentDidMount() {
 PersonalStore._onDataReceived(this._onDataReceived);
}

componentWillUnmount() {
 PersonalStore._offDataReceived(this._onDataReceived);
}

getChildContext() {
 return { name:"Moussawi7" };
}
renderRouter(){
 ReactDOM.render((
  <Router>
  <Route path="/" component={Encounter} />
  <Route path="inbox">
  <IndexRoute component={Inbox} onEnter={()=>this.refreshScroller()}/>
  <Route path=":userID" component={Conversation} />
  </Route>
  <Route path="*" component={NotFound} />
  </Router>
  ),document.getElementById('content'));
}

render() {
  return (
    <div className="container">
    <Header/>
    <div id="content"></div>
    </div>
    );
}
_onDataReceived() {
  this.renderRouter();
}
}
Application.childContextTypes={
 name: React.PropTypes.string.isRequired
}

标题: …