小编Jos*_*ter的帖子

我有一个".CSV"文件,我正在尝试使用CSVruby 进行解析.该文件有两行标题,我以前从未遇到过这种情况,也不知道如何处理它.下面是标题和行的示例.

第2行

"Institution ID","Institution","Game Date","Uniform Number","Last Name","First Name","Rushing","","","","","Passing","","","","","","Total Off.","","Receiving","","","Pass Int","","","Fumble Ret","","","Punting","","Punt Ret","","","KO Ret","","","Total TD","Off xpts","","","","Def xpts","","","","FG","","Saf","Points"

第2行

"","","","","","","Rushes","Gain","Loss","Net","TD","Att","Cmp","Int","Yards","TD","Conv","Plays","Yards","No.","Yards","TD","No.","Yards","TD","No.","Yards","TD","No.","Yards","No.","Yards","TD","No.","Yards","TD","","Kicks Att","Kicks Made","R/P Att","R/P Made","Kicks Att","Kicks Made","Int/Fum Att","Int/Fum Made","Att","Made"

第3行

"721","AirForce","09/01/12","19","BASKA","DAVID","","","","","","","","","","","","0","0","","","","","","","","","","2","85","","","","","","","","","","","","","","","","","","","0"

上面的示例中没有返回我刚添加它们以便更容易阅读.是否CSV有可用于处理此结构的方法,或者我是否必须编写自己的方法来处理此问题？谢谢!

它开始于一个Android手机,简单的创建语句在assets/migrations文件夹中的文件中(我使用名为ActiveAndroid的第三方库,并且2年它工作正常 - 我没有改变任何事情):

CREATE TABLE IF NOT EXISTS Car (Brand TEXT);

我得到这个例外:

04-07 15:31:36.683  15738-15738/? E/SQLiteLog? (21) API called with NULL prepared statement
04-07 15:31:36.683  15738-15738/? E/SQLiteLog? (21) misuse at line 63243 of [00bb9c9ce4]
java.lang.RuntimeException: Unable to create application com.activeandroid.app.Application: android.database.sqlite.SQLiteException: not an error (code 0)


at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4394)
            at android.app.ActivityThread.access$1300(ActivityThread.java:141)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1294)
            at android.os.Handler.dispatchMessage(Handler.java:99)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5041)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:511)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: android.database.sqlite.SQLiteException: not an error (code 0) …

现在我正在使用Rails 3.0.0.i已经安装了gem wicked_pdf.Now想要将pdf文件保存在公共文件夹中.请帮助我.

我正在尝试向导航栏添加一个右键来推送视图.我想在Tab类中执行此操作.我使用导航示例的代码,但我无法使用右键工作.选项卡页面加载正常,但是当我单击右键时,我收到以下消息:

message: undefined is not an object (evaluating 'this.props.navigator.push')"

主app.js

    'use strict';

    var React = require('react-native');
    var Tabs = require("./Tabs");

    var {AppRegistry} = React;

    var App = React.createClass({
      render: function () {
        return (
          <Tabs/>
        )
      }
    });

    AppRegistry.registerComponent('App', () => App);

这是tabs.js

    'use strict';

    var React = require('react-native');
    var {
      NavigatorIOS,
      StyleSheet,
      TabBarIOS,
      Text,
      View
    } = React;
    var TabBarItemIOS = TabBarIOS.Item;

    var Search = require("./Search");
    var Invites = require("./Invites");
    var EmptyPage = React.createClass({

      render: function() {
        return ( …

我有一个React,Electron应用程序,我希望能够从ES6编译(使用Babel和Webpack)访问本机节点模块.

例如,当我尝试要求"fs"节点模块访问文件系统时,我收到以下错误.

ERROR in ./src/app.js Module not found: Error: Cannot resolve module 'fs' in C:\Users\Propietario-1\Documents\GitHub\AMPLI @ ./src/app.js 1:358-371

但是,当我从"无编译"的js文件中需要它时,它可以工作.我可以访问"fs"模块.

任何帮助表示赞赏.

更新(2016-08-28):

我最终要求fsindex.html上的脚本标签中的模块调用捆绑的脚本.有用!

<script>
const fs = require('fs');

require('bundle.js');
</script>

执行此操作后,它将fs成为可用于所有脚本的全局变量bundle.js.只需确保编辑您的linter选项以避免覆盖它或undef错误.