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What is the difference between ng-if and ng-show/ng-hide
...-- when $scope.myValue is falsy (element is removed) -->
<div ng-if="0"></div>
When an element is removed using ngIf its scope is destroyed and a new scope is created when the element is restored. The scope created within ngIf inherits from its parent scope using prototypal inherita...
What is the difference between public, private, and protected?
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Mathias Bader
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answered Dec 5 '10 at 22:17
SarfrazSarfraz
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How to use Git and Dropbox together effectively?
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Defining a HTML template to append using JQuery
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edited Feb 16 '15 at 23:05
Dave Jarvis
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What's the difference between a proc and a lambda in Ruby?
...ed.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lambda {|a, b| puts a**2+b**2 } # => #<Proc:0x15016c@(irb):5 (lambda)>
l....
SHA512 vs. Blowfish and Bcrypt [closed]
...millions of trials per second using equipment that costs on the order of $1000, testing all passwords up to 8 characters long in a few months.
If however, the digest output is "fed back" thousands of times, it will take hundreds of years to test the same set of passwords on that hardware. Bcrypt a...
What is the difference between Polymer elements and AngularJS directives?
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When should I use mmap for file access?
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mmap is great if you have multiple processes accessing data in a read only fashion from the sam...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...篇幅的文章的，但是TCP真TMD的复杂，比C++复杂多了，这30多年来，各种优化变种争论和修改。所以，写着写着就发现只有砍成两篇。
上篇中，主要向你介绍TCP协议的定义和丢包时的重传机制。
下篇中，重点介绍TCP的流迭、拥...
How do I include a JavaScript file in another JavaScript file?
...many different approaches to this problem have been developed.
But since 2015 (ES6), JavaScript has had the ES6 modules standard to import modules in Node.js, which is also supported by most modern browsers.
For compatibility with older browsers, build tools like Webpack and Rollup and/or transpil...