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Open an IO stream from a local file or url
... contains either a path to a local file or a url and open it as a readable IO stream.
1 Answer
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change text of button and disable button in iOS
How do you change the text of the button and disable a button in iOS?
8 Answers
8
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What is the difference between Pan and Swipe in iOS?
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By definition, a swipe gesture is necessarily also a pan gesture -- both involve translational movement of touch points. The difference is in the recognizer semantics: a pan recognizer looks for the beginning of translational movement ...
App Inventor 2 物联网入门的两个方向：BLE直连硬件 vs MQTT云端通信，你的...
... → BLE 是不二之选。
选型建议
• 如果你做的是单机版智能硬件原型（遥控灯、智能锁、温度计）→ 选 BLE，成本低、开发快、无需网络环境
• 如果你需要远程查看设备状态（远程监控、数据仪表盘）→ 选 MQTT，必须经过...
Comparing strings with == which are declared final in Java
I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them with == .
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What are the uses of “using” in C#?
User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using ?
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How to develop or migrate apps for iPhone 5 screen resolution?
The new iPhone 5 display has a new aspect ratio and a new resolution (640 x 1136 pixels).
30 Answers
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iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Maximum size of a element
...reds of thousands of pixels. However, after a certain number of pixels (obviously unknown), the canvas no longer display shapes I draw with JS.
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iPhone UIButton - image position
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My solution to this is quite simple
[button sizeToFit];
button.titleEdgeInsets = UIEdgeInsetsMake(0, -button.imageView.frame.size.width, 0, button.imageView.frame.size.width);
button.imageEdgeInsets = UIEdgeInsetsMake(0, button.titl...