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How do I convert a Vector of bytes (u8) to a string
...
To convert a slice of bytes to a string slice (assuming a UTF-8 encoding):
use std::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8]...
What does Ruby have that Python doesn't, and vice versa?
...e up with one here just to explain what I mean.
Reverse the words in this string:
sentence = "backwards is sentence This"
When you think about how you would do it, you'd do the following:
Split the sentence up into words
Reverse the words
Re-join the words back into a string
In Ruby, you'd ...
Given an array of numbers, return array of products of all other numbers (no division)
...= pj ;
}
return prods;
}
public static void main(String[] args) {
System.out.println(
Arrays.toString(products(1, 2, 3, 4, 5))
); // prints "[120, 60, 40, 30, 24]"
}
}
The loop invariants are pi = nums[0] * nums[1] *.. nums[i-1] and pj = nu...
Best way to allow plugins for a PHP application
...te that when using multiple hooks/listeners, you should only return either strings or arrays, not both. I have implemented something similar for Hound CMS - getbutterfly.com/hound.
– Ciprian
Dec 19 '17 at 11:21
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Twitter Bootstrap 3: how to use media queries?
...re the selectors used in BS4. There is no "lowest" setting in BS4 because "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards.
@media(min-width:576px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Up...
Pass variables to Ruby script via command line
...g = 'Good Bye'
end
# @runnable Say 'Hello' to you.
# @param [String] name Your name
# @param [Hash] options options
# @option options [Boolean] :second_meet Have you met before?
# @option options [String] :prefix Your custom prefix
def say_hello(name, options = {})
...
Can I redirect the stdout in python into some sort of string buffer?
... a small FTP client, but some of the functions in the package don't return string output, but print to stdout . I want to redirect stdout to an object which I'll be able to read the output from.
...
What is the format specifier for unsigned short int?
... a short int argument.
So to print an unsigned short integer, the format string should be "%hu".
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Learning Regular Expressions [closed]
...ou've ever used grep on Unix—even if only to search for ordinary looking strings—you've already been using regular expressions! (The re in grep refers to regular expressions.)
Order from the menu
Adding just a little complexity, you can match either 'Nick' or 'nick' with the pattern [Nn]ick. T...
Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
14
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