myname

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: This question already has an answer here: How do JavaScript closures work? 88 answers Variable: local scope, global scope or is it the JavaScript engine? 3 answers I am new to JavaScript and I was doing some practices on local and global variable scopes, following is my code( fiddle ): var myname = "initial" function c(){ alert(myname); var myname = "changed"; alert(myname); } c(); when the first alert is called, it is showing myname as undefined. so my confusion is why I am not able to access a global instance of myname and if I don't

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I recently wanted to try out ionic and specifically develop android apps. I was able to set everything up using the ionic tutorial and run via localhost. I want to be able to do the same using the android emulator but have been unsuccessful. I have searched and tried everything but I am still not sure how to resolve the error below. All the code is from the ionic getting started page with their project called todo. If anyone could help me with this. it would be much appreciated. I am using Ubuntu. The following is what my terminal gives when

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Good day to all, I'm using Visual C# 2010 and MySQL Version 5.1.48-community. I hope you can help me with this code. I don't find it working on me. What am I missing? string connString = ConfigurationManager.ConnectionStrings["default"].ConnectionString; MySqlConnection conn = new MySqlConnection(connString); conn.Open(); MySqlCommand comm = conn.CreateCommand(); comm.CommandText = "INSERT INTO room(person,address) VALUES(@person, @address)"; comm.Parameters.Add("@person", "Myname"); comm.Parameters.Add("@address", "Myaddress"); comm

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: sorry if this is a terrible question, but I am really new to programming. I am attempting a short little test program. If I enter any value less than 24, it does print the "You will be old..." statement. If I enter any value greater than 24 (ONLY up to 99), it prints the "you are old" statement. The problem is if you enter a value of 100 or greater, it prints the "You will be old before you know it." statement. print ('What is your name?') myName = input () print ('Hello, ' + myName) print ('How old are you?, ' + myName) myAge = input () if

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm doing the Ray Wenderlich tutorial called SimpleWeather. The podfile is in the same folder as the project. Here's my code from the podfile: platform :ios, '7.0' xcodeproj 'SimpleWeather' pod 'Mantle' pod 'LBBlurredImage' pod 'TSMessages' pod 'ReactiveCocoa' The error message is this: [!] Unable to find the Xcode project /Users/myName/Developer/SimpleWeather.xcodeproj for the target Pods . The name of the project is SimpleWeather. 回答1: Reiterating our original conversation: Accordingly to Podfile Syntax Reference the Podfile looks right.

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Good day. I would like to find out the sender of many buttons . Something like that in C# : Button b = new Button(); b.Text = "Click 1"; b.Location = new Point(20, 20); b.Size = new Size(100, 20); // Our Handler b.Click += new EventHandler(myClick); // Implementation of next button... // Add to form this.Controls.Add(b); this.Controls.Add(nextButton); ... // And our event private void myClick(object sender, System.EventArgs e) { var mysender = ((Button)sender).Name; doAnything(mysender); } I don't have any idea in VBA (not VB!). VBA means

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am developing a command line utility for macOS (Mojave) that manipulates images using ImageMagick. I want to share it as a standalone app in such a way that others can use it out-of-the-box without having to install any additional dylibs or frameworks. The Homebrew and MacPorts versions of ImageMagick seem to be "hardwired" to the Mac's system directory structure ( /usr/local and /opt/local , respectively) in such a way that it's difficult (impossible?) to put ImageMagick and its delegate libraries into a portable application bundle. So I

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm trying to compile VLCKit on Mac OS 10.9 following this wiki : https://wiki.videolan.org/VLCKit/ I have clone git://git.videolan.org/vlc-bindings/VLCKit.git then open VLCKit.xcodeproj in Xcode 5.1 and finally run "Build Everything". But build failed with thoses issues : Run VLC configure PhaseScriptExecution bootstrap /Users/myname/Library/Developer/Xcode/DerivedData/VLCKit- bktcaifqrsqwbodqlfdqgsmkkdeb/Build/Intermediates/VLCKit.build/Debug/Run\ VLC\ configure.build/Script-631A90420D5A007D0014A2CE.sh cd /Users/myname/Documents/PhcDev

el表达式动态拼接变量 <form action="" id="name_${user.id}"></form> 1.首先分析user对象的问题 看user是否加到了request里面 User u = new User(); u.setId("1"); request.setAttribute("user",u); 且User类里面必须提供public String getId(){return this.id;} 2.el嵌套${${}}嵌套写法是不行的，下面的方法可以实现 （1）先把name_${user.id}的值存到变量myname中 （2）再通过id="${user[myname]}"方式取到name_1的值 html页面代码如下： 1.html1 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <c:set var='myname' value="name_${user.id}" scope="page"/> <form method="get" action="" id="${user[myname]}"> <input type="submit" value="OK"/> </form> 2.html2 <c:forEach items="${customerAcct }" var=

基本数据类型 JavaScript 中的数据类型分为两类：基本数据类型 和 引用数据类型； 基本数据类型：布尔值、数值、字符串、 null 、 undefined 以及 ES6 中的新类型 Symbol ； TS 中主要看前五种基本数据类型。 布尔值 使用 boolean 定义布尔值类型: let isBoolean: boolean = false; 注意： 构造函数 Boolean 新增的对象不是 布尔值； let createdBoolean: boolean = new Boolean(1); // 不能将类型“Boolean”分配给类型“boolean”。 // “boolean”是基元，但“Boolean”是包装器对象。如可能首选使用“boolean” 数值 使用 number 定义数值类型: let decLiteral: number = 6; let hexLiteral: number = 0xf00d; // ES6 中的二进制表示法 let binaryLiteral: number = 0b1010; // ES6 中的八进制表示法 let octalLiteral: number = 0o744; let notANumber: number = NaN; let infinityNumber: number = Infinity; 编译后的结果为：