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How do you install Boost on MacOS?
... Boost on the current macOS as of this writing:
Download the the .tar.gz from https://www.boost.org/users/download/#live
Unpack and go into the directory:tar -xzf boost_1_50_0.tar.gz
cd boost_1_50_0
Configure (and build bjam):
./bootstrap.sh --prefix=/some/dir/you/would/like/to/prefix
Build:
./b...
How do I run only specific tests in Rspec?
...us, which also prevents undesirables like 'binding.pry, console.log`, etc. from creeping in to the codebase.
– zetetic
Nov 7 '13 at 21:35
1
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How can I get the baseurl of site?
...
From within a controller use Configuration.VirtualPathRoot as it is host independent.
– Darrel Miller
Sep 24 '13 at 15:54
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MySQL root password change
...
have a look at this from MySQL Reference manual:
First login mysql:
# mysql -u root -p
Then at mysql prompt run:
UPDATE mysql.user SET Password=PASSWORD('MyNewPass') WHERE User='root';
Then
FLUSH PRIVILEGES;
Look at this page for more ...
How to remove all the occurrences of a char in c++ string
... nothing). But there is no empty character. If you want to remove elements from a sequence, the following elements have to be moved, and std::replace doesn't work like this.
You can try to use std::remove (together with std::erase) to achieve this.
str.erase(std::remove(str.begin(), str.end(), 'a'...
Rails Root directory path?
...ift path.to_s
end
Which allows you to easily load Plain Old Ruby Objects from their spec files.
# spec/models/poro_spec.rb
require 'spec_helper'
require 'poro'
RSpec.describe ...
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impr...
XDocument.ToString() drops XML Encoding Tag
... Then you combine the extension method with: Utf8StringWriter from stackoverflow.com/a/1564727/75963 ;)
– Nick Josevski
Sep 6 '12 at 14:31
12
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Determine if an element has a CSS class with jQuery
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from the FAQ
elem = $("#elemid");
if (elem.is (".class")) {
// whatever
}
or:
elem = $("#elemid");
if (elem.hasClass ("class")) {
// whatever
}
...
Str_replace for multiple items
...e(array(':', '\\', '/', '*'), ' ', $string);
Or, in modern PHP (anything from 5.4 onwards), the slighty less wordy:
str_replace([':', '\\', '/', '*'], ' ', $string);
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Convert char to int in C#
... and I don't understand why this is considered superior to subtracting '0' from the char.
– Roman Starkov
Sep 22 '14 at 1:32
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