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AppInventor写二进制文件 - App应用开发 - 清泛IT社区，为创新赋能！
...然后将字节逐一将追加到拓展中，最后调用拓展方法保存为二进制文件。
Can you animate a height change on a UITableViewCell when selected?
I'm using a UITableView in my iPhone app, and I have a list of people that belong to a group. I would like it so that when the user clicks on a particular person (thus selecting the cell), the cell grows in height to display several UI controls for editing the properties of that person.
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Set the maximum character length of a UITextField
How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView ?
44 Answers
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R cannot be resolved - Android error
..., please give me a £$&$"%& Android suite similar to Xcode for the iPhone!
– Abramodj
Oct 28 '12 at 18:30
18
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Favorite (Clever) Defensive Programming Best Practices [closed]
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I wrote this on my iPhone, where I can't select text. If somebody could mark my code as code, it would be really appreciated. Thanks.
– John MacIntyre
Jan 29 '09 at 4:23
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What is the right way to check for a null string in Objective-C?
I was using this in my iPhone app
20 Answers
20
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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...tring str = Encoding.Default.GetString(array);//将字节数组内容转化为字符串
Console.WriteLine(str);
将数据写入磁盘文件：
FileStream file = File.Open(@"F:\file.txt", FileMode.Append);//初始化文件流
byte[] array = Encoding.UTF8.GetBytes("Hello World!你好");//给字...
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...9年，因此MQTT协议生逢其时。当时MIT Auto-ID Labs的Kevin Ashton为了把宝洁的供应链上的RFID标签和互联网连接起来，在1999年第一个提出了IoT这个概念。发明人TCP协议的发明人是Vinton Cerf（下图左，曾在IBM工作过两年）和Robert Elliot Kahn...
How to detect orientation change?
...terface orientation:
Use the status bar orientation
Use size classes, on iPhone if they are not overridden they could give you a way to understand the current interface orientation
What is still missing is a way to understand the direction of a change of interface orientation, that is very i...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...上找不到关于RCP的中文资料，我们只能通过自己的探索来为我们的程序添加我们想要的功能。
下面让我们一步一步来建立一个Eclipse RCP程序，下面的内容可以说在Google上一搜一大把，有些人会觉得乏味，但是没关系，这只...