Finding elements of a given type in an array in C#

I have a Fleet class that contains an array of (base class) Vehicles.The vehicles in the array are subclasses of Vehicles: Plains, Trains and Automobiles.The array is private, but the Fleet class must

How to make G++ preprocessor output a newline in a macro?

Is there a way in gcc/g++ 4.* to write a macro that expands into several lines? The following code: #define A X \\ Y开发者_Python百科

长恨歌是什么诗体格式？

android imageview onClick animation

I guess this is kind of an odd question but I have tried setting onClicklistener on an ImageView and it has worked. But the problem is that the user cannot sense the click. I mean if some of u have wo

Creating a browser plugin like Flash

I would like to create a browser plugin which works LIKE flash, with embedded content from my ap开发者_开发问答plication on the page.

淮南子的作者是谁啊？？

_M13****7141 2022-05-19 22:00 女娲补天选自《列子·汤问》，作者是列子，名寇，又名御寇。先秦天下十豪之一，著名的道学者、思想家、哲学家、文学家、教育家。

Javascript delayed loading blanks page

On a website I\'m working on, I need to load a tracking script 10 seconds after the page loads. I found a snippet to do so, but I\'ve hit a snag. After waiting 10 seconds, the page goes white. The URL

今年玉米补贴多少钱啊？玉米补贴今年有多少？

孔祥亮 2022-05-19 12:38 开发者_StackOverflow针对玉米补贴额度和补贴方式，中央农村工作领导小组副组长兼办公室主任陈锡文介绍，补贴的原则是，对于玉米主产区，在市场价格的基础上进行补贴，补齐后的价格肯

Should a Form object posses the dual responsibilities of displaying and processing?

I have a prototype with a Form class which auto-generates an HTML form, and now I am plugging some processing functionality into the prototype.

Objective-C: Best way to access REST API on your iphone

been wrestling with this for some time. I am trying to access a REST api on my iphone and came across the ASIHTTP framework that would assist me. So i did something like