我写了如下一段代码: - (void)btnClicked:(UIButton *)button { switch (button.tag) { : self.initShare; break; default: NSLog(@"error!"); break; } } - (void)initShare { NSLog(@"分享一下."); } 结果运行报警告"property access result unused - getters should…

1. clang命令,它的作用是用来消除特定区域的clang的编译警告,-Wgnu则是消除?:警告, 例: #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wgnu" //消除警告代码 #pragma clang diagnostic pop 下边的链接是clang的警告信息列表Which Clang Warning Is Generating This Message? 2.通常情况下,在GCC特有的处…

具体提示如下: 请考虑使用 app.config 将程序集"System.Web.Http.WebHost, Culture=neutral, PublicKeyToken=31bf3856ad364e35"从版本"5.0.0.0"[D:\Code-(项目路径就省略了)\bin\System.Web.Http.WebHost.dll]重新映射到版本"5.2.3.0"[D:\Code-\packages\Microsoft.AspNet.WebAp…

异常信息:Templates can be used only with field access, property access, single-dimension array index, or single-parameter custom indexer expressions 解决办法: 由以下代码: @foreach (var item in Model) { @Html.DisplayFor(m => !item.IsIdle, "BoolIcon") } 改为:…

JavaScript: The Definitive Guide, Sixth Edition by David Flanagan   Property access expressions do not always return or set a value. This section explains the things that can go wrong when you query or set a property. It is not an error to query a pr…

A Javascript Proxy object is a very interesting es6 feature, that allows you to determine behaviors whenever a property is accessed in a target object. In this lesson, you will learn how to use it to prevent users from accessing specific properties i…

Property access in Javascript can be problematic - especially when dealing with nested Objects and Arrays. Doing it manually and in a safe manner requires tons of boilerplate inside conditionals and results in a defensive style of coding. In this les…

一.UIWebView简介 1.UIWebView什么是UIWebViewUIWebView是iOS内置的浏览器控件系统自带的Safari浏览器就是通过UIWebView实现的 UIWebView不但能加载远程的网页资源,还能加载绝大部分的常见文件html\htmpdf.doc.ppt.txtmp4… … UIWebView常用的加载资源的方法- (void)loadRequest:(NSURLRequest *)request; 2.键盘工具条显示中文 二.常用属性和方法 重新加载(刷新)-…

项目中引用大量的第三方代码时,这些代码很复杂,不要轻易去改动它,如果编译产生很多警告,该如何消除呢? 1. 最直接.最一劳永逸.最安全的方式,直接找到警告的那段代码,改为不警告.这个方式最安全. 可是它有一个问题,就是,当我们很多文件都有这种类型的警告的时候,我们就需要改动很多很多的源码了, 对于不是我们写的源码,有可能随时会更新的,我们这种方式,显然就不太可取了. 2. 使用编译器提供的宏来操作,这个方式在我们的工程中会大量的看到: 1 2 3 4 5 #pragma clang diagno…

1.集成支付宝SDK后,报一堆warning: (arm64) /Users/scmbuild/workspace/standard-pay/.....警告 解决方法: 1)  Go to Build Settings -> Build Options -> Debug Information Format2)  Change the Debug setting from "DWARF with dSYM File" to "DWARF"3)  Leav…