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How do you access command line arguments in Swift?
...Begin by declaring a type that defines the information you need to collect from the command line. Decorate each stored property with one of ArgumentParser's property wrappers, and declare conformance to ParsableCommand.
The ArgumentParser library parses the command-line arguments, instantiates your ...
Unit testing that events are raised in C# (in order)
...hen the above won't work, unless I'm missing something. I've recently come from C++ to C#.
– codah
Oct 23 '17 at 21:43
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Keyboard shortcuts in WPF
...hould take a look on Commands and Input gestures. Here is a small tutorial from Switch on the Code: WPF Tutorial - Command Bindings and Custom Commands
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How to get the first non-null value in Java?
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Following on from LES2's answer, you can eliminate some repetition in the efficient version, by calling the overloaded function:
public static <T> T coalesce(T a, T b) {
return a != null ? a : b;
}
public static <T> T coa...
html tables: thead vs th
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As far as I can tell from experience, there is no difference in rendering unless you're using CSS to specify a difference in rendering. A <td> inside of a <thead> will render the same as a <th> inside of a <table> or a <...
css transform, jagged edges in chrome
... that other people are having issues too at 45deg increments so I adjusted from -45deg to -45.0001deg and my problem was solved.
In my CSS below, background-size was initially 30px and the deg for the background gradient was exactly -45deg, and all keyframes were 30px 0.
@-webkit-keyframes pro...
How to get GET (query string) variables in Express.js on Node.js?
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I learned from the other answers and decided to use this code throughout my site:
var query = require('url').parse(req.url,true).query;
Then you can just call
var id = query.id;
var option = query.option;
where the URL for get s...
How to change 'Maximum upload size exceeded' restriction in Shiny and save user file inputs?
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Quoting Joe Cheng from this shiny-discuss post
By default, Shiny limits file uploads to 5MB per file. You can modify this limit by using the shiny.maxRequestSize option. For example, adding options(shiny.maxRequestSize=30*1024^2) to the to...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...1) = .100000000000000088817841970012523233890533447265625
This was taken from an article written by Bruce Dawson. it can be found here:
Doubles are not floats, so don’t compare them
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How to justify a single flexbox item (override justify-content)
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"In flexbox layouts, this property is ignored" -taken from the mozilla docs on justify-self
– Finlay Percy
Aug 7 '18 at 16:11
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