21 Posted Topics
 | Hi all. I have been doing some HTML scraping and today a fellow coder told me about this thing 'DOM' and how much easier it is to use it rather than manipulating strings as I have been doing. He doesn't know much about it, and that's why I came here … |
| | Hello all. Even though my javascript/ajax knowledge is very low, I would like to be able to do the following, for which I ask you for help: I have a python script that runs from php with exec command. It takes about 5-10 seconds to complete. While the python script … |
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| | Hi everyone. I have an homework assignment due next week. Since I am not that knowledgeable in Java, there are many times I get stuck and find myself goggling for answers which sometimes I can't get that fast. Therefore, I would like to use this thread to post several quick … |
| | 1. Don't really worry about the language. Think about it this way, the language is the mean, but programming is the thought process and that skill is almost indepent from the language. And that's what you need to learn. FYI, a good programmer will learn 95% of a programming language … |
| | I started learning about backtracking in college and was asked to solve the famous 8 queens problem. I know there are many solutions out there for this, but I would like to get there by myself. However, I am kind of stuck and in need for some guidance here. The … |
| | Well, it all depends on what you already know and what you are looking for. If you are just starting out, maybe C might be too discouraging, and something like Python, for example, would be more fun to start. You can do some really cool stuff with Python even without …  |
| | I need help with debugging this piece of code. I know the problem is in malloc and free but can't find exactly where, why and how to fix it. Thanks. [CODE] #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <unistd.h> #include <string.h> #include <sys/wait.h> #include <sys/types.h> #define MAX_COMMAND_LENGTH 256 #define MAX_ARGS_NUMBER … |
| | Hi. I am complete beginner in databases, so please bear with me stupid questions. I am just doing for fun a simple exercise. A faculty have students and each student have different subjects. My question is, how to store the different subjects in the db? I could make up some …  |
| | Given a vector of bytes with length multiple of 8, how can I, using mmx instructions, convert all 2's to 5's, for example? [code] .data v1 BYTE 1, 2, 3, 4, 1, 2, 3, 4 [/code] Thanks. |
| | Hi. I am looking for a DFA that accepts the language that consist of an even number of 0's and an even number of 1's. Any ideas? Thanks.  |
| | I was reading 'Starting Python' trying out in the shell some of the examples. However, I get an error with this [URL="http://www.daniweb.com/forums/post116650.html#post116650"]one[/URL]. What am I doing wrong? [code=python] >>> def sum_average(*args): size = len(args) sum1 = sum(args) average = sum1/float(size) # return a tuple of three arguments # args is … |
| | Can someone please tell me what I am doing wrong. I know this is easy, but I haven't managed to make it work properly. [code=python] overwrite = None while overwrite != 'Y'.lower() or overwrite != 'N'.lower(): overwrite = raw_input("Do you want to overwrite (Y/N)? ") [/code] It doesn't exit the … |
| | I was googling for a way to reverse a string and I found this. [code=python] >>> 'asd'[::-1] >>> 'dsa' [/code] It works, but there was no explanation where I got if from. Can someone please be kind enough to explain it. Thanks. |
| | Hello. I have a (main) list of objects 'feedbacks' which have an 'order_id' and a 'message'. I have another list of simply 'order_id's whose correspondent object in the main list I would like to see removed. For example: main list: [object type 'feedback', object type 'feedback', object type 'feedback'] let's … |
| | Hi all. I would like to be able to parse some data from a password protected site. The parsing of the data is already developed and tested (I manually logged in to the site and downloaded the source code for testing purposes). I am stuck at the log in part. … |
| | Hi. I need some help here with a unicode string I want to use with strptime. [code=python] >>> date u'\xa08/15/2009' >>> datetime.strptime(date, "%m/%d/%Y") Traceback (most recent call last): File "<pyshell#75>", line 1, in <module> datetime.strptime(date, "%m/%d/%Y") UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 0: ordinal not in range(128) … |
| | Hi I would like to know if there is any way to obtain a float result from a division between two integers other than using "from __future__ import division"? I am not looking for the .0 'trick'. Example 4/5.0 = 0.8. I want to be able to do 4/5 = … |
| | Hi. I am asking help for something that I have already done. However, I believe there is a much better way to do it. I am pretty novice to python and I don't know (yet xD) all of its capabilities and I am sure some of you will find this … |
| | (a | b): For what I have read in other forum post, if a is true, python doesn't evaluate b an returns a. (a & b): What happens with logical and? If a is false, does python evaluates b or not? Thanks for your help. |
| | [code=python] class ExcelDocument(): """ Some convenience methods for Excel documents accessed through COM. """ def __init__(self, visible=True): self.app = Dispatch("Excel.Application") self.app.Visible = visible self.sheet = 1 def new(self, filename=None): """ Create a new Excel workbook. If 'filename' specified, use the file as a template. """ self.app.Workbooks.Add(filename) def open(self, filename): """ … |
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