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Swift and mutating struct
...", "Jupiter", "Saturn", "Uranus", "Neptune"]
planetNames.append("Pluto") //Error, sorry Pluto. No can do
Why didn't the append work with the planet names? Because append is marked with the mutating keyword. And since planetNames was declared using let, all methods thus marked are off limits.
In y...
Javascript sort array by two fields
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for typescript (for not getting an error TS2554: Expected 0 arguments, but got ..) use the syntax here: stackoverflow.com/a/4116634/5287221
– Chananel P
Sep 2 at 14:24
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How to get the current directory of the cmdlet being executed
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You're getting this error because you have no parent scope. -Scope parameter gets the variable in a specified scope. 1 in this case is the parent scope. For more info see this technet article about Get-Variable ( technet.microsoft.com/en-us/libr...
What is the difference between required and ng-required?
... Its worth mentioning that ng-required displays a default tooltip style error message saying 'this field is required', which is not always desired. I'm looking for a way to turn it off
– Adam Spence
Mar 13 '14 at 12:12
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
...? In my case, when I opened the same local file in Iceweasel, there was no error. They don't have the same security check as Chrome does? So I'm guessing it's still okay to surf the web in this browser instance.
– WeirdElfB0y
May 8 '16 at 6:27
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Is there a pretty print for PHP?
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Remember to set html_errors = on in php.ini to get pretty printing of var_dump() in combination with xdebug.
share
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Make a UIButton programmatically in Swift
...ion that takes no parameter, the colon is not needed and may even cause an error if not removed.
– Dave G
Sep 2 '15 at 3:29
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Installing Bower on Ubuntu
...using the command below, but as ours are location in nodejs we will get an error No such file or directory.
$ /usr/bin/env node
We can manually fix this by creating a symlink.
$ sudo ln -s /usr/bin/nodejs /usr/bin/node
Now check Node.js is installed correctly by using.
$ /usr/bin/env node
>...
Why is null an object and what's the difference between null and undefined?
... variables, however, produces an exception:
> unknownVariable
ReferenceError: unknownVariable is not defined
null: used by programmers to indicate “no value”, e.g. as a parameter to a function.
Examining a variable:
console.log(typeof unknownVariable === "undefined"); // true
var foo;
c...
Controlling number of decimal digits in print output in R
...-15)
y1 <- rnorm(50, 1 + 1e-15, 1e-15)
t.test(x1, y1) #Should throw an error
x2 <- rnorm(50, 0, 1e-15)
y2 <- rnorm(50, 1e-15, 1e-15)
t.test(x2, y2) #ok
In the first case, differences between numbers only occur after many significant figures, so the data are "nearly constant". In the s...