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Which characters make a URL invalid?

...racters: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;= Note that this list doesn't state where in the URI these characters may occur. Any other character needs to be encoded with the percent-encoding (%hh). Each part of the URI has further restrictions...
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difference between foldLeft and reduceLeft in Scala

...ultingTuple, currentInteger) => (currentInteger :: resultingTuple._1, currentInteger + resultingTuple._2) } This method takes a List[Int] and returns a Tuple2[List[Int], Int] or (List[Int], Int). It calculates the sum and returns a tuple with a list of integers and it's sum. By the way th...
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Sorting an IList in C#

...: IComparer<T>, IComparer { private readonly Comparison<T> _comparison; public ComparisonComparer(Comparison<T> comparison) { _comparison = comparison; } public int Compare(T x, T y) { return _comparison(x, y); } public int Compare...
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Using Sinatra for larger projects via multiple files

...layout.haml login.haml main.haml   config.ru root = ::File.dirname(__FILE__) require ::File.join( root, 'app' ) run MyApp.new   app.rb # encoding: utf-8 require 'sinatra' require 'haml' class MyApp < Sinatra::Application enable :sessions configure :production do set :haml, {...
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Retrieve database or any other file from the Internal Storage using run-as

... databases.tar adb exec-out run-as debuggable.app.package.name tar c shared_prefs/ > shared_prefs.tar share | improve this answer | follow | ...
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this.setState isn't merging states as I would expect

...construct a new state and then call setState() on that: var newSelected = _.extend({}, this.state.selected); newSelected.name = 'Barfoo'; this.setState({ selected: newSelected }); I've used function _.extend() function (from underscore.js library) here to prevent modification to the existing sele...
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How to copy from CSV file to PostgreSQL table with headers in CSV file?

... This worked. The first row had column names in it. COPY wheat FROM 'wheat_crop_data.csv' DELIMITER ';' CSV HEADER share | improve this answer | follow | ...
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What is the strict aliasing rule?

...sg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules. So in this kind of setup, if I want to send a message to so...
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惨不忍睹:说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术

...道   @EZ汽车人:在北京一个月吃饭花200   @贰拾壹-_- :拉屎拉一半,怕饿得快。。。。。。   类型二:不敢出门+避免社交型   @螺丝脱落司机:开启免打扰模式,然后各种宅。   @猪脚L:穷到家里待了一个星...
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Plot correlation matrix into a graph

...answered Mar 28 '11 at 2:37 bill_080bill_080 4,34611 gold badge2020 silver badges3030 bronze badges ...