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What does the “@” symbol mean in reference to lists in Haskell?
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180
Yes, it's just syntactic sugar, with @ read aloud as "as". ps@(p:pt) gives you names for
the ...
What does “./bin/www” do in Express 4.x?
I just started to learn about Express 4.0 in my Node.js app, and I found that it generated ./bin/www file, on which only the application server and port settings are written and everything others like middleware and routing is defined in ./app.js file.
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Rails migration: t.references with alternative name?
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ndnenkov
32.3k99 gold badges6060 silver badges9090 bronze badges
answered Dec 17 '16 at 5:24
RyanRyan
15.7k...
In PHP what does it mean by a function being binary-safe?
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106
It means the function will work correctly when you pass it arbitrary binary data (i.e. strings ...
UIButton title text color
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Objective-C
[headingButton setTitleColor:[UIColor colorWithRed:36/255.0 green:71/255.0 blue:113/255.0 alpha:1.0] forState:UIControlStateNormal];
Swift
headingButton.setTitleColor(.black, for: .normal)
share
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Remove empty array elements
...e removed. So if you need to preserve elements that are i.e. exact string '0', you will need a custom callback:
// PHP 7.4 and later
print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== ''));
// PHP 5.3 and later
print_r(array_filter($linksArray, function($valu...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. This no longer seems to be the case in 2013.
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What is 'YTowOnt9'?
...andom - hits. I haven't found any page describing the value itself. It has 0 hits on Stack Overflow.
1 Answer
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git: switch branch without detaching head
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edited May 5 '14 at 16:40
user456814
answered Jan 22 '09 at 23:44
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What does `:_*` (colon underscore star) do in Scala?
... that application to have type (p1 : T1, . . . , pn : Tn,ps : S, . . . , ps0S)U,
with k ¡ n occurrences of type S where any parameter names beyond ps are
fresh. The only exception to this rule is if the last argument is marked to be
a sequence argument via a _* type annotation. If m abo...