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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
... equals, strict comparison) all the time when comparing string values, but now I find that
5 Answers
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How to convert a Git shallow clone to a full clone?
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EDIT: git fetch --unshallow now is an option (thanks Jack O'Connor).
You can run git fetch --depth=1000000 (assuming the repository has less than one million commits).
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Understanding :source option of has_one/has_many through of Rails
...want to access Dog.find(123).breeds as a nice and convenient association.
Now, if we now want to create a has_many :dog_breeds, :through => :dogs association on Pet, we suddenly have a problem. Rails won't be able to find a :dog_breeds association on Dog, so Rails can't possibly know which Dog a...
Difference between app.all('*') and app.use('/')
...sition of the router in middleware will be more important than it is right now, since you technically don't even have to use it right now).
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foll...
Colorized Ruby output to the terminal [closed]
...stallation:
gem install colorize
Usage:
require 'colorize'
puts "I am now red".red
puts "I am now blue".blue
puts "Testing".yellow
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Asynchronous Requests with Python requests
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async is now an independent module : grequests.
See here : https://github.com/kennethreitz/grequests
And there: Ideal method for sending multiple HTTP requests over Python?
installation:
$ pip install grequests
usage:
build a s...
:active pseudo-class doesn't work in mobile safari
...-color: rgba(0,0,0,0);">
Testing Touch on iOS
</button>
Now when the button is tapped and held on iOS, the button changes to the specified color without the surrounding transparent gray color appearing.
In other words, setting an ontouchstart event (even if it's empty) is explic...
Non-static variable cannot be referenced from a static context
... class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea.
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How to test Spring Data repositories?
...tion parts of the repository are written in a way that they don't have to know about Spring Data JPA. They are plain Spring beans that get an EntityManager injected. You might of course wanna try to mock the interactions with it but to be honest, unit-testing the JPA has not been a too pleasant expe...
Pad a number with leading zeros in JavaScript [duplicate]
...(str.length < length)
str = padString + str;
return str;
}
Now test:
var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"
DEMO
In ECMAScript 8 , we have new method padStart and padEnd which ha...