Posts

A Rational Number With a Finite Number of Digits

Tags

• Number Theory
• Mathematics
• Proof

• Mathematics
• Proof
• Economics
• Money

• Personal
• Career
• College
• Berkeley

• WebKit
• W3C
• DOM

• Mathematics
• Statistics
• Intuition

• WebKit
• Performance
• DOM
• Web

Sample Standard Deviation In Terms of Sum and Square Sum of Samples

Tags

• Mathematics
• Statistics
• Probability
• Standard Deviation
• Proof

• Personal
• Essay

• WebKit
• Performance

• WebKit
• Performance

• WebKit
• Performance

You had a problem, so you introduced another another layer of abstraction

Tags

• Software Engineering
• Philosophy

• WebKit
• Performance

How to make Ruby on Rails with RSpec

Tags

• Computer Science
• Ruby
• Ruby on Rails
• Computer
• Setup
• Web

• Mathematics
• Proof

Proof: The sum of any three single-digit numbers is at most two digits long

Tags

• Number Theory
• Mathematics
• Proof

• WebKit
• Editing
• Web

• Personal
• Career
• W3C
• WebKit
• Web

• WebKit
• W3C
• Selection
• Form
• Text

• Web Fonts
• CSS
• Setup

• WebKit
• Editing
• Web

• Web
• Setup

• WebKit
• Web
• Text
• CSS

• Philosophy
• Environment
• Essay
• Personal

• WebKit
• Editing
• Web

• Computer
• Web

Proof: a natural number n is a prime if b^(n−1) = 1 (mod n) for every integer b between 1 and n-1

Tags

• Number Theory
• Mathematics
• Proof
• Modular Arithmetic

• Computer
• Setup
• Web
• WordPress
• LaTeX
• A2Hosting

Pushing Inline Styles in WebKit

Tags

• WebKit
• Editing
• Web
• Computer Science

Euler's formula for Planar Graph

Tags

• Graph Theory
• Proof
• Mathematics
• Combinatorics

A number is divisible by 3 iff sum of its digits are divisible by 3

Tags

• Number Theory
• Mathematics
• Proof
• Modular Arithmetic

The History and the Future of HTML

Tags

• Computer Science
• Web
• W3C
• Essay

証明:文字列長が素数の文字列集は非正規言語

Tags

• Computer Science
• Mathematics
• Proof
• Japanese
• 数学
• コンピュータサイエンス
• 計算機科学
• 証明

• Mathematics
• Set Theory
• Proof

Proof: The language consisting of strings whose lengths are prime is not regular

Tags

• Computer Science
• Mathematics
• Proof

Algorithm to Count the Number of On-Bits

Tags

• Computer Science
• Mathematics
• Proof

Numerical Integration Methods

Tags

• Computer Science
• Mathematics
• Performance

• Mathematics
• Economics
• Proof

• Mathematics
• Set Theory
• Proof

Prove that b | a iff every multiple of a is multiple of b

Tags

• Number Theory
• Mathematics
• Proof
• Abstract Algebra

Proof: every consistent heuristic is also admissible

Tags

• Computer Science
• Proof

• Mathematics
• Graph Theory
• Proof

• Mathematics
• Proof

• Berkeley
• Computer
• Setup

A complete bipartite graph is a tree only if the order of one of partite sets is 1

Tags

• Mathematics
• Computer Science
• Graph Theory
• Proof

Fibonacci Numbers in C/C++

Tags

• Computer Science
• Mathematics
• Performance

Prove or disprove if a+b=2 then b+z=3 for some z

Tags

• Number Theory
• Mathematics
• Proof

C(n, r) calculation in C/C++

Tags

• Computer Science
• Mathematics
• Combinatorics
• Combinations
• Performance

The Second Proof of the Catalan Numbers

Tags

• Mathematics
• Proof
• Combinatorics
• Combinations
• Binomial

The Number of R-combinations Repetition Allowed

Tags

• Mathematics
• Combinatorics
• Combinations
• Permutations
• Binomial
• Proof

• Mathematics
• Calculus