Knowledge Base Contributions

Below is a list of the knowledge base entries that Michael Chermside has contributed to:

• Is there anyway by which the changes made to the saved script can be reflected in the interactive??
  

• Is it possible to have a list that automatically extends when I assign to a non-existant element?
  

• How do i get the file name which a File object is representing?
  

• How do I empty a list?
  

• How do I delete one specific list item?
  

• how do i convert a number in base b to a number in base 10 using python
  

• How do I get the pid from os.popen?
  

• how to copy a file and at the same time i want to change some text to the newfile
  

• How do you enter a numeric range (e.g. 0-255) in an RE when matching?
  

• How do I get the absolute path of a module from within the module? (os.getcwd does not do the trick)
  

• How do I extract a substring from a string?
  

• How do I invoke Python code from Java?
  

• How would one implement (in Python) something similar to C's "enum" type?
  

• How can I make a python program "sleep" or pause for a moment?
  

• How can I just exit without freeing all the objects still in memory?
  My program runs fine but is very slow to exit. Can I speed it up?
  

• how do I pass arguments (whats the correct syntax) to the os.system command?
  

• Can I use Python in VB.NET? If so, how do I add it to my project....
  

• How can I make an iterator for lists with features like advance/regress or failfast?
  How can I advance/regress in a for loop?
  

• How can I get the name of the current function / function that called this one?
  

• I don't like typing "self." all the time, can I avoid it?
  I don't like having to type "self." all the time, can I avoid it?
  

• How do Python and Haskell compare?
  

• I have a really big XML file, but only need to read a small part. Do I have to read it all in memory to parse?
  

• A URL I want to share in my email is so long it breaks & becomes unclickable. How can I shorten it?
  How can I shorten long URLs?
  What is SnipURL?
  

• How can I use a DOM to create an XML document?
  

• How do I sort a list based on some attribute(s) of the objects in the list?
  How do I sort a list based on some attribute(s) of the objects in the list?
  

• Do anyone know a way to play a cdrom track on linux?
  

• I'm using properties, and "get" seems to work, but if I call "set" it all starts behaving strangely. Why?
  

• What does the role of "Knowledge Administrator" entail?
  

• How do I send anonymous mail using Python on Windows ?
  

• Why do I sometimes find questions I edit mangled? (eg: knowledge_base/view.phtml/aid/4421/fid/541)
  

• Is there an elegant way to select the longest string from a list?
  

• I have a list of strings (or characters), how do I join it into one large string?
  

• How do I invoke Python code from C/C++?
  

• How do I invoke Python code from Perl?
  

• How do I invoke Perl code from Python?
  Is there a module for invoking perl code?
  Can I run CPAN modules in Python?
  

• But Python doesn't have a do...while (aka: repeat...until) loop! What do I do?
  

• How do I select n items starting from position p in a list or string?
  

• Of what use is the "else" clause in "for" and "while" loops and "try" statements?
  

• How do I find out what modules are available on my system?
  

• How do I send binary data to stdout under windows?
  How do I generate an image or other binary data in a cgi script on windows?
  

• How do I process a file line-by-line?
  How about a simple example of using a file iterator.
  

• Is the sort() method on lists stable?
  How do I perform a "stable" sort on a list?
  What algorithm is used for the sort() method on lists?
  

• Is there a way I can use staticmethod and classmethod in Python 2.1?
  How can I create "static" (class-level, not instance-level) methods?
  

• How do I get an accurate count of the amount of Python code in my project?
  

• What is so good about curl that would justify paying its high liscensing fees?
  

• How do I make a cursor or selected item blink?
  

• Is there an easy way to use properties for simple things like bounds checking or default values without coding each and every one?
  

• Is there a really good package for doing date and time operations?
  

• How do I loop through 2 (or more) lists at the same time?
  

• How can I mix C code with python?
  How do I make the core loop of my program run faster?
  

• What is a "classmethod" for?
  How is "classmethod" different from "staticmethod"?
  

• Which Python Wiki is the definitive one?
  

• How do I release a resource used by a generator?
  How+can+I+use+try-finally+in+a+generator%3F
  

• How do i join a list of numbers? (ie print out a=range(1,5) as 1:2:3:4:5
  

• Is there a site which can show me tutorials, sample code, and other information on wxPython?
  Is there a news group or mailing list where I can get answers to wxPython questions?
  

• What language is fastest / easiest / best for my project?
  

• How can I insert a node in a list?
  

• A newbie asks: Is is possible to use variables in a class name? ex. x=foo.bar.VARIABLE.method()
  

• I get a MemoryError using <file>.read on an AIX machine with lots of memory. How can I use more?
  

• What is this symbol use for % ?...besides percent :-)
  

• Example of subclassing from a type, iterators, generators
  

• Can I keep a python in Queensland?
  

• How does runs Python 2.x on Windows multi CPU machines?
  

• How can you create a function that works like print, not requiring parenthesis around its arguments?
  

• How do you parse a string and not a file?
  

• How does Python do parameter passing, by value or by reference?
  

• How do I retrieve an https (SSL) url?
  

• I'd like to know if PYTHON can count words and characters , not including spaces, as easily as PERL. ex. $words=split(/\s/,$_), $chars=tr/A-Za-z0-9//;
  

• How do I install NumPy?
  

• Could anybody tell me the command to build a 2D array?
  Could anybody tell me the command to build a 2D list?
  

• Is there an IPC module in Python?
  

• Order of keyword arguments
  

• Converting two lists into one dictionary
  Converting+two+lists+into+one+dictionary
  

• A sorted list
  How can I create a list which is maintained in sorted order?
  

• Where can I find informations about the Gnuplot module?
  

• How can I print a string without a newline afterwards?
  

• How do Python and Visual Basic compare?
  

• How can I find a good list of web hosting companies that support python?
  

• How do Python and Java compare?
  How do Python and Java compare?
  

• Is it possible to create constant integers, floats etc?