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How to use Swift @autoclosure
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If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an expression like ...
Google Maps: how to get country, state/province/region, city given a lat/long value?
...ates & cities based on a collection of lat/long values I have. I need to store this information in a manner that hierarchy is preserve and without duplicates (e.g. "USA" and "United States" and "United States of America" are the same country; I only want one instance of this country in my database)....
Is there a C# type for representing an integer Range?
I have a need to store an integer range. Is there an existing type for that in C# 4.0?
10 Answers
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Why does one use dependency injection?
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First, I want to explain an assumption that I make for this answer. It is not always true, but quite often:
Interfaces are adjectives; classes are nouns.
(Actually, there are interfaces that are nouns as well, but I want to generalize here.)
So, e.g. an interface may be...
Bundling data files with PyInstaller (--onefile)
...e EXE with PyInstaller which is to include an image and an icon. I cannot for the life of me get it to work with --onefile .
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How to get Sinatra to auto-reload the file after each change?
...f, in-process code reloading in Ruby is hard and having a
solution that works for every scenario is technically impossible.
Which is why we recommend you to do out-of-process reloading.
First you need to install rerun if you haven’t already:
$ gem install rerun
Now if you start...
iOS 7 TextKit - How to insert images inline with text?
...en using the resulting string in UITextView
– DeepK SOreadytohelp
Mar 28 '14 at 11:21
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How do i ...
HTML5 record audio to file
What I ultimately want to do is record from the user's microphone, and upload the file to the server when they're done. So far, I've managed to make a stream to an element with the following code:
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How to make fill height
...atically grow, as would the div. Kinda a garbage hack, but I bet it would work.
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Re-enabling window.alert in Chrome
...s from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
3 Answers
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