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chrisaycock

New York, NY

chrisaycock.com

Age: 31

I do high-frequency trading, mostly in C++ and q/kdb+. I am a pro tem moderator of Quant SE. My views are my own and do not reflect the same of my employer.

My favorite answers:

Separating the wheat from the chaff

How much data is needed to validate a trading strategy

Time-series similarity measures

Column-oriented storage for tick data

A new programming language can only succeed if it capitalizes on an emerging frontier

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2465
4659 votes
11 answers

Why is processing a sorted array faster than an unsorted array?

c++ performance optimization language-agnostic branch-prediction May 17 at 14:51 AlexK
stackoverflow.com

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The Definitive C++ Book Guide and List

c++ books c++-faq May 20 at 15:34 grepsedawk
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What should every programmer know about web development?

web-development May 17 at 16:54 SalmanPK
programmers.stackexchange.com

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The definitive guide to forms based website authentication

http authentication language-agnostic article May 14 at 14:27 Michiel de Mare
stackoverflow.com

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191 answers

Hidden features of Python

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FAQ for Stack Exchange sites

support faq Feb 4 at 0:14 Tim Post
meta.stackoverflow.com

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50 answers

What is your most productive shortcut with Vim?

vim productivity vi Feb 17 at 11:48 sjas
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How do I find Waldo with Mathematica?

image-processing mathematica Apr 1 '12 at 1:23 lubar
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2125
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Git for beginners: The definitive practical guide

git version-control Nov 12 '12 at 9:03 Rich B
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What are the lesser known but useful data structures?

language-agnostic data-structures computer-science Feb 13 '12 at 0:15 Simucal
stackoverflow.com

1139
614 votes
38 answers

Learning to Write a Compiler

compiler language-agnostic Apr 3 at 16:49 Patrick McElhaney
stackoverflow.com

454
610 votes
17 answers

What are MVP and MVC and what is the difference?

mvc design-patterns gui mvp glossary Apr 20 at 9:17 Steve M
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140
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16 answers

How do I check if a file exists using Python?

python file filesystems May 10 at 3:17 Mark Biek
stackoverflow.com

1153
568 votes
40 answers

Database development mistakes made by application developers

database database-design Aug 21 '11 at 2:46 cletus
stackoverflow.com

444
519 votes
21 answers

What can I use to profile C++ code in Linux?

c++ unix profiling Mar 20 at 15:18 Moe
stackoverflow.com

250
511 votes
3 answers

How does accepting an answer work?

support faq answers accepted-answer self-answer Mar 6 at 18:31 Gnome
meta.stackoverflow.com

258
473 votes
6 answers

What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?

url fragment-identifier shebang hashbang Mar 28 at 8:17 Baadshah
stackoverflow.com

192
456 votes
5 answers

Showing which files have changed between git branches

git version-control branch Apr 3 at 14:01 Paulino III
stackoverflow.com

239
394 votes
28 answers

Fastest way to determine if an integer's square root is an integer

java optimization math project-euler perfect-square Nov 19 '12 at 14:23 Kip
stackoverflow.com

384
391 votes
2 answers

What is the copy-and-swap idiom?

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451
370 votes
5 answers

Recent feature changes to Stack Exchange

support faq yesterday Sha Wiz Dow Ard
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319 votes
11 answers

Why is reading lines from stdin much slower in C++ than Python?

c++ python benchmarking readline getline Jan 29 at 6:01 Steven Penny
stackoverflow.com

99
302 votes
7 answers

How does a computer restart itself?

restart acpi Dec 22 '12 at 4:59 Daniel R Hicks
superuser.com

321
291 votes
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Which hashing algorithm is best for uniqueness and speed?

algorithms hashing Oct 18 '12 at 19:28 Janus Troelsen
programmers.stackexchange.com

170
289 votes
15 answers

Does e-mail address obfuscation actually work?

email spam-prevention Aug 12 '11 at 17:26 Ian Ringrose
superuser.com

181
270 votes
7 answers

What are rvalues, lvalues, xvalues, glvalues, and prvalues?

c++ expression c++-faq c++11 Jan 18 at 20:44 Matthieu M.
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1 answer

What HTML tags are allowed on Stack Exchange sites?

support faq markdown html May 4 at 12:56 Danny Beckett
meta.stackoverflow.com

245
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8 answers

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perl unicode utf-8 Feb 23 at 6:32 hippietrail
stackoverflow.com

288
252 votes
16 answers

Deploy a project using Git push

php git deployment webserver publish Dec 3 '12 at 10:45 Pax
stackoverflow.com

319
241 votes
10 answers

How do I deal with a compromised server?

security hacking intrusion-cleanup system-compromise Jan 8 at 15:00 RobM
serverfault.com

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