the belated Java solution to previous Range exercise. import java.util.List; import java.util.ArrayList; import java.lang.Math; class math { public static List...
Here's the next tree functions exercise in Python, Perl, Java. The problem is to write a function named Table. Wolfram Research's Table function documentation...
The Perl solution is posted. It is a bit long. See http://xahlee.org/tree/Table.html the code is pasted below. It uses several auxiliary functions. #! perl #...
My opinion on this is that coders dont like writing docs. And open source is mostly unheard of outside the developer/geek community. Technical writers are...
danny staple
orionrobots@...
Aug 30, 2005 4:53 pm
97
On Python's Documentation Xah Lee, 20050831 I'm very sorry to say, that the Python doc is one of the worst possible in the industry. I'm very sick of Perl and...
... You could shorten the Perl unix calls by using the backtick operator: `gzip x.txt` `gzip -d x.txt.gz` And for the same behaviour as the Python module,...
danny staple
orionrobots@...
Sep 2, 2005 3:55 pm
100
Python Doc Problem Example: os.system Xah Lee, 2005-09 today i'm trying to use Python to call shell commands. e.g. in Perl something like output=qx(ls) in...
Here's a example script that performs a simple task. The task is: suppose you a bunch of files named access_log.1.gz access_log.2.gz access_log.3.gz these are...
200509: Making System Calls (with unix and Python 2.4) To make a system call, use: subprocess.Popen([r"gzip","-d", "x.txt.gz"]).wait() The subprocess module is...
Hi there, You could save recompressing an intermediate file on a unix system by changing your input to the gzip commnad to include the -c option This will then...
danny staple
orionrobots@...
Sep 9, 2005 10:56 pm
104
The official documentation for Python is http://docs.python.org/ The doc is downloadable. However, this official documentation is very lousy. A excellent quick...
... Umm nearly - but the exceptions should be as follows: * If the last slash is repeated, and it is not the first set of slashes, it treated as single slash. ...
danny staple
orionrobots@...
Sep 19, 2005 8:06 am
107
Addendum to the Python doc problem at http://www.python.org/doc/2.4.1/lib/module-os.path.html I was working on a program where i needed to split a path into...
Perl and Python Documentations Xah Lee, 20050921 Perl's documentation has come of age: http://perldoc.perl.org/ Python people really need to learn: • ample...
Lambda in Python 3000 Xah Lee, 200509 On Guido van Rossum's website: http://www.artima.com/weblogs/viewpost.jsp?thread=98196 dated 20050826, he muses with the...
http://xahlee.org/perl-python/python_3000.html addendum, 20051001 here i will try to illuminate some miscellaneous things regarding the lambda in Python issue....
The following script takes a directory and print all the sizes of html files, counting the sizes of inline images. This script is useful in making sure that...
Perl-Python-a-Day: Sort a List Sort a List Xah Lee, 200510 In this page, we show how to sort a list in Python & Perl and also discuss some math of sort. To...
continued from sorting in Python at http://xahlee.org/perl-python/sort_list.html ... Sorting in Perl In Perl, to sort a list, do like this: @li=(1,9,2,3); @li2...
Addendum: Since Python 2.4 (released 2005-03), there's also a sorted() function, which returns the result instead of modifing the list in-place. ☄...
Split File Fullpath Into Parts Xah Lee, 20051016 Often, we are given a file fullpath and we need to split it into the directory name and file name. The file...
One-Liner Loop in Functional Style Xah Lee, 200510 Today we show a example of a loop done as a one-liner of Functional Programing style. Suppose you have a...
Examples of Quality Documentation Xah Lee, 200512 I had the pleasure to read the PHP's manual today. http://www.php.net/manual/en/ Although Pretty Home Page is...
The Concepts and Confusions of Pre-fix, In-fix, Post-fix and Fully Functional Notations Xah Lee, 2006-03-15 Let me summarize: The LISP notation, is a...
The Concepts and Confusions of Pre-fix, In-fix, Post-fix and Fully Functional Notations http://xahlee.org/UnixResource_dir/writ/notations.html A side note: the...
What is Expressiveness in a Computer Language Xah Lee, 200502. In languages human or computer, there's a notion of expressiveness. English for example, is very...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
