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How can I send mail from an iPhone application
I want to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
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How to join strings in Elixir?
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"StringA" <> " " <> "StringB"
or just use string interpolation:
"#{a} #{b}"
If your list size is arbitrary:
Enum.join(["StringA", "StringB"], " ")
... all of the solutions above will return
"StringA StringB"
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How to add 2 buttons into the UINavigationbar on the right side without IB?
How can I add 2 buttons into the UINavigationBar without XIB?
The 2 buttons should be aligned on the right side of the UINavigationBar .
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How do I update pip itself from inside my virtual environment?
...-managed packages, but how do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
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Plyr视频播放器拓展：全屏、画质、字幕、缩略图、强大的用户界面 · App In...
... 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指南 中文网原创 VIP 专享 App教程 入门必读 App上架指南 特色 AI 助手 · 一句话生成 App 鸿蒙 · 一套...
A valid provisioning profile for this executable was not found for debug mode
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It could be because your iphone is not recognized by the provisioning portal.
Solution:
1) In Xcode, Goto --> Build --> clean all targets.
2) In "Groups & Files" -->Target --> expand it --> right click your app and select Clean "your app"
3) Goto->Window-->Or...
How to build Qt for Visual Studio 2010
I struggled finding a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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Java, List only subdirectories from a directory, not files
...te
Comment from the author on this post wanted a faster way, great discussion here:
How to retrieve a list of directories QUICKLY in Java?
Basically:
If you control the file structure, I would try to avoid getting into that situation.
In Java NIO.2, you can use the directories function to retur...
Are there any CSV readers/writer libraries in C#? [closed]
...his a go, and it was both fast and memory efficient. I think the documentation could be improved a bit for first-time users, but it was definitely sufficient.
– Sam
Dec 6 '16 at 22:08
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Convert between UIImage and Base64 string
...e to create into NSData format
let imageData:NSData = UIImagePNGRepresentation(image)!
//OR next possibility
//Use image's path to create NSData
let url:NSURL = NSURL(string : "urlHere")!
//Now use image to create into NSData format
let imageData:NSData = NSData.init(contentsOfURL: url)!
Swift 2....