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How do I save a UIImage to a file?

... Of course you can create subfolders in the documents folder of your app. You use NSFileManager to do that. You use UIImagePNGRepresentation to convert your image to NSData and save that to disk. // Create path. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUser...
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How to dismiss keyboard iOS programmatically when pressing return

... simply use this in swift to dismiss keyboard: UIApplication.sharedApplication().sendAction("resignFirstResponder", to:nil, from:nil, forEvent:nil) Swift 3 UIApplication.shared.sendAction(#selector(UIResponder.resign‌​FirstResponder), to: nil, from: nil, for: nil) ...
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An existing connection was forcibly closed by the remote host

I am working with a commercial application which is throwing a SocketException with the message, 11 Answers ...
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Call Activity method from adapter

...ks a lot Mr. Babu. Calling the Activity's methods by this, gives the whole app a 500% kicking performance boost -> I don't need to reload the database in the adapter, which I need to access. I don't care about "years in industry", I'm looking for stable and working solutions and I'm quite sure, I...
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AsyncTask threads never die

...dition to CommonsWare's response: Currently I'm using Android 2.2, and my application uses no more than one AsyncTask at any time, but I'm creating a new one every x minutes. At first new AsyncTask Threads start to appear (a new Thread for a new AsyncTask) but after 5 threads (as mentioned by Commo...
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房多多:懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术

...以提高售房效率。 移动互联时代,人手一部智能手机,App成了对话的窗口,房地产销售有了新场景。以售楼处和中介门店为核心的销售模式弊端显现。 这种情况也曾经在贸易行业存在过,但都被阿里巴巴改造了。所以我决定...
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Send email using the GMail SMTP server from a PHP page

...gmail account because there is an email telling you to enable "less secure app". then its now working heheh – boi_echos Sep 14 '14 at 13:09  |  ...
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How to convert a currency string to a double with jQuery or Javascript?

... Also keep in mind that some accounting apps wrap numbers in parentheses to denote negative values. e.g.: ($5.00) = -$5.00 – Dave L Nov 6 '15 at 20:20 ...
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How do I install an R package from source?

... worth noting that because repos = NULL this approach will not install dependencies e.g. from CRAN. this answer suggests devtools::install_local(path_to_file) which to me is simpler (fewer arguments to supply) and better (installs dependencies too). ...
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How do I create a new Swift project without using Storyboards?

...ion: Classes and structures must set all of their stored properties to an appropriate initial value by the time an instance of that class or structure is created. Stored properties cannot be left in an indeterminate state. Properties of optional type are automatically initialized with a value of ni...