I’m trying to delete all digits from a string. However the next code deletes as well digits contained in any word, and obviously I don’t want that. I’ve been trying many regular expressions with no success. Thanks! Result: This must not b deletd, but the number at the end yes Answer Add a space before the d+. Edit: After looking
`final` keyword equivalent for variables in Python?
I couldn’t find documentation on an equivalent of Java’s final in Python, is there such a thing? I’m creating a snapshot of an object (used for restoration if anything fails); once this backup variable is assigned, it should not be modified — a final-like feature in Python would be nice for this. Answer Having a variable in Java be final
All combinations of a list of lists [duplicate]
This question already has answers here: How to get the cartesian product of multiple lists (17 answers) Closed 8 months ago. I’m basically looking for a python version of Combination of List<List<int>> Given a list of lists, I need a new list that gives all the possible combinations of items between the lists. The number of lists is unknown, so
Python “protected” attributes
How do I access a private attribute of a parent class from a subclass (without making it public)? Answer My understanding of Python convention is _member is protected __member is private Options for if you control the parent class Make it protected instead of private since that seems like what you really want Use a getter (@property def _protected_access_to_member…) to
How to truncate float values?
I want to remove digits from a float to have a fixed number of digits after the dot, like: I need to output as a string to another function, not print. Also I want to ignore the lost digits, not round them. Answer First, the function, for those who just want some copy-and-paste code: This is valid in Python 2.7
How do I convert seconds to hours, minutes and seconds?
I have a function that returns information in seconds, but I need to store that information in hours:minutes:seconds. Is there an easy way to convert the seconds to this format in Python? Answer You can use datetime.timedelta function:
Python difflib: highlighting differences inline?
When comparing similar lines, I want to highlight the differences on the same line: While difflib.HtmlDiff appears to do this sort of inline highlighting, it produces very verbose markup. Unfortunately, I have not been able to find another class/method which does not operate on a line-by-line basis. Am I missing anything? Any pointers would be appreciated! Answer For your simple
How to use PIL to make all white pixels transparent?
I’m trying to make all white pixels transparent using the Python Image Library. (I’m a C hacker trying to learn python so be gentle) I’ve got the conversion working (at least the pixel values look correct) but I can’t figure out how to convert the list into a buffer to re-create the image. Here’s the code Answer You need to
Python : How to convert markdown formatted text to text
I need to convert markdown text to plain text format to display summary in my website. I want the code in python. Answer The Markdown and BeautifulSoup (now called beautifulsoup4) modules will help do what you describe. Once you have converted the markdown to HTML, you can use a HTML parser to strip out the plain text. Your code might
Python HTTP server that supports chunked encoding?
I’m looking for a well-supported multithreaded Python HTTP server that supports chunked encoding replies. (I.e. “Transfer-Encoding: chunked” on responses). What’s the best HTTP server base to start with for this purpose? Answer Twisted supports chunked transfer encoding (API link) (see also the API doc for HTTPChannel). There are a number of production-grade projects using Twisted (for example, Apple uses it