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What is the purpose of Rank2Types?
I am not really proficient in Haskell, so this might be a very easy question.
6 Answers
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
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Your conclusions are right. The basic scheme is:
setNeedsUpdateConstraints makes sure a future call to updateConstraintsIfNeeded calls updateConstraints.
setNeedsLayout makes sure a future call to layoutIfNeeded calls layoutSubviews.
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RichTextBox (WPF) does not have string property “Text”
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There was a confusion between RichTextBox in System.Windows.Forms and in System.Windows.Control
I am using the one in the Control as I am using WPF. In there, there is no Text property, and in order to get a text, I should have used this line...
How to check if a file exists in a folder?
... Noe that this answer returns false if the user does not have permission to read the file. So it does more than just checkinf if the file exists in a folder. You might want to use DirectoryInfo.GetFiles() and enumerate the result.
– ogborstad
Feb 10 '15 a...
How to send HTML-formatted email? [duplicate]
I could be able to let the web application sends automatic emails using Windows Task Scheduler. Now I want to send HTML-Formatted email using the following method that I wrote for sending emails.
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Subtract 7 days from current date
... for example if the daylight savings changes during the seven days in question.
– JeremyP
Apr 18 '12 at 13:08
1
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What is non-blocking or asynchronous I/O in Node.js?
...ngines, what is non-blocking I/O or asynchronous I/O? I see this being mentioned as an advantage over Java server side implementations.
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How to get device make and model on iOS?
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EITHER try this library: http://github.com/erica/uidevice-extension/ (by Erica Sadun). (The library is 7-8 years old, and hence is obsolete)
(Sample Code):
[[UIDevice currentDevice] platformType] // ex: UIDevice4GiPhone
[[UIDevice currentDevice] platformString] // ex: @"iPhone...
Does Django scale? [closed]
I'm building a web application with Django. The reasons I chose Django were:
29 Answers
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Can I mix Swift with C++? Like the Objective-C .mm files
...en try to compile that as Objective-C++.
Swift doesn't have the same relationship. It is not a superset of C or C++, and you can't directly use either in a .swift file.
"Using Swift with Cocoa and Objective-C" also tells us:
You cannot import C++ code directly into Swift. Instead, create an Ob...