September 2011
1 post
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Advanced django forms
Advanced Django Forms Usage View more presentations from Daniel Greenfeld
August 2011
1 post
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CAP! =)
For employer: Good. Fast. Cheap.
For employee: High-paid. Interesting. Easy.
Pick two!
June 2011
2 posts
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Programming without ifs. Challenge one in python.
Sometimes I think about programming without ifs.
I have found great blog about it here.
And here is my solution for first challenge implemented in python.
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Python and Singleton.
Never use singleton in python!
You can use instead of it Borg Pattern.
http://pastebin.com/qKXxGHJp
Also you can just use module instead of class. :)
January 2011
1 post
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Last 5 months..
..I was working on new russian social network - Vrublevku..
December 2010
1 post
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New cool service!
I found new cool service - about.me.
This is very, very original! )
Check it out!
August 2010
16 posts
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Let's move to console. →
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SICP. Exercise 1.8
Task: Newton’s method for cube roots is based on the fact that if y is an approximation to the cube root of x, then a better approximation is given by the value
Use this formula to implement a cube-root procedure analogous to the square-root procedure.
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SICP. Exercise1.7
Task: The good-enough? test used in computing square roots will not be very effective for finding the square roots of very small numbers. Also, in real computers, arithmetic operations are almost always performed with limited precision. This makes our test inadequate for very large numbers. Explain these statements, with examples showing how the test fails for small and large numbers. An...
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SICP. Exercise 1.3
Task: Write a function, that takes 3 numbers and return sum of squares of 2 largest numbers.
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SICP. Exercise 1.2
Task: Translate the following expression into prefix form.
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My .vimrc.
I think, it can be useful for somebody. :)
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Linux Hack: Dropbox + Thunar.
..Hmm. I use E17, so I don’t want to use heavy nautilus JUST FOR WORKING with Dropbox. And I found a solution. Dropbox have plugin for working with Thunar. And also Dropbox hasn’t interface for working with other file managers, except nautilus.
Well, solution is stupid simple. Let’s start:
1) Install Dropbox + Dropbox Thunar. In Arch Linux you can do it with yaourt. In my...
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My bruteforce for euler277 problem.
Here you can find bruteforce solution for project euler problem 277 written in python.
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Structure And Implementation Of Computer Programs →
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July 2010
44 posts
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Last.fm and robots.
..Developers of last.fm decided to define three laws of robotics in their file robots.txt… This is very original move and I like it. :)
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MapReduce in 20 minutes! →
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My desktop environment now is..
..ENLIGHTENMENT!
It’s also known as e. In my case, I use last unstable version - e17.
Well, it’s really simple, fast and beautiful. ))
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Fast way to share Printer between 2 Linux systems...
It’s just advice from me.
Use case: You have 2 or more Linux systems, and you have printers connected only to one of them. It will be server. And you have CUPS already installed.
Step 1: Setup cups on server side.
1.1 sudo vi /etc/cups/cups.conf
1.2 add ServerName <your_ip_or_hostname>
1.3 add “Allow From @LOCAL” to <Location /> section
1.4 :wq
1.5...
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Ufff...
..some of my favorite Vim Lessons Added. Author of lessons - Derek Wyatt.
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WatchDerek Wyatt. Insert Mode.
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WatchDerek Wyatt. Vim Modes Introduction.
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WatchDerek Wyatt. The vimrc File and Vim Runtime Directories
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WatchDerek Wyatt. Vim’s Help System
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WatchDerek Wyatt. Basic Editing II.
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WatchDerek Wyatt. Basic Editing I.
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WatchDerek Wyatt. Working with Many Files III.
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WatchDerek Wyatt. Working with Many Files II.
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WatchDerek Wyatt. Working with Many Files I.
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WatchDerek Wyatt. Basic Movement III.
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WatchDerek Wyatt. Basic Movement II.
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WatchDerek Wyatt. Basic Movement I.
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WatchDerek Wyatt. Find Command and The Path.
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WatchDerek Wyatt. Destruction is Good.
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WatchDerek Wyatt. Vim. Surround Plugin.
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WatchDerek Wyatt. Using the Vim VisIncr plugin.
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WatchDerek Wyatt. Using a Vim Macro to edit many files.
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WatchDerek Wyatt. Vim autocommands.
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WatchDerek Wyatt. Vim XP Template Plugin.
This one plugin really rocks!
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WatchDerek Wyatt. Vim Macros and Global commands. I.
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WatchDerek Wyatt. Demo of ProtoDef Vim Plugin.
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WatchDere Wyatt. The Vim Expression Register