15,406 Topics
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| | Hi, I'm trying to find a way to solve this equation with two unknowns using Python: [QUOTE](a * b) = (x * c) + (y * d) + e [/QUOTE] Where a, b, c, d and e are all floating numbers provided by the user and x and y are …  |
| | Hey all I need some help with Jython. In Python I'm given the easy option to read a file with [CODE]file = open('/dev/input/js0')[/CODE] Then I can put it into a non blocking mode with something similar to [CODE] import os, fcntl file = os.open('/dev/input/js0', os.O_NONBLOCK) [/CODE] But in Jython I'm … |
| | Okay, so for some practice problems from a friend, he asked me to take some previous code, and define a function called parseName? I'm not familiar at all with what it is/does. The objective he gave me was to use this parseName function and to return the firstname, middlename, and … |
| | apparently my data is too big to be split at every newline.. any idea how to split every 4th newlien? |
| | Hello, I need your help to get my Python program running please. Thank you so much. This is the assignment: Highway Robbery! Use skills learned in Units 1 - 4 and include: • input functions, calculation functions and output functions • passing variables between functions • elif statement (if/else for … |
| | Hi, I have several tkinter entries created within a loop, where users input numbers. I wish to create a reset button to set all entries to zero. On the following code the reset button will just reset the last entry. How is possible to call each of the entry and … |
| | I'm doing some research to determine the most efficient way to copy files. I've got 3 candidate functions: #1 [CODE=python] # uses generator to load segments to memory def copy(src, dst, iteration=1000): for x in xrange(iteration): def _write(filesrc, filedst): filegen = iter(lambda: filesrc.read(16384),"") try: while True: filedst.write(filegen.next()) except StopIteration: pass … |
| | I'd like to ask the user if he/she wants to rerun a script. I've thought of doing that with a while. My problem is that both [CODE] import sys rerun = "y" while rerun == "n": sys.exit() else: print("do some stuff") rerun = str(input("Would you like to start again? [y/n]: … |
| | Write a function named walkingMan() that simulates a person walking a specified distance, taking steps of varying length. The length of the steps varies at random within a specified range. (Use the function in the Python random module, random.randint(a, b), which returns a random integer N such that a <= …  |
| | Hi guys, converting .ui to .py to .exe using Qt Designer (PyQt4), Python 2.7, and py2exe Ive been able to do this with Tkinter gui's but having problems with gui's from Qt Designer? First error was due to missing msvcp90.dll which ive downloaded and copied into the python dll directory, … |
| | Hello Everyone! So ive done some searching and havent been able to find what i need. Partly because i'm not sure exactly what words i should be googling! I am wanting to download gmail emails, and then display them in a spreadsheet like format. I know that emails have unique … |
| | I set up a MySQL databse following this tutorial: [URL="http://www.saltycrane.com/blog/2008/07/how-set-django-mysql-ubuntu-hardy/"]http://www.saltycrane.com/blog/2008/07/how-set-django-mysql-ubuntu-hardy/[/URL] Here is what I did: [CODE]$ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.0.51a-3ubuntu5.1 (Ubuntu) Type 'help;' or '\h' for help. Type … |
| | Guys I installed mySQLdb in Ubuntu with: [CODE]mydeskt@mydeskt-desktop:~$ sudo apt-get install python-mysqldb[/CODE] but when I go to the python interpreter and type: [CODE]>>> import mySQLdb [/CODE]I get: [CODE] Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named mySQLdb [/CODE]It is installed though, because when … |
| | I'm just going to put this out there. I was asked to create a spreadsheet with data extracted from MARC records. I have looked at pymarc and cannot get this to work. To be honest I'd rather do this myself and lean something in the process. I have another similar … |
| | For My basic programming are using python. I want to create a game called rocket race where two rockets are racing side by side dodging meteroids. I just need some help knowing where to start. I made the rockets and the meteroids in paint already. So could you give me … |
| | I have been asked to look into getting a web framework up and running here at work. I come from a PHP background and have developed a few tools various people use around the office. I have recently become part of a small team of developers who only use Python, … |
| | Hi team. I am battling to convert a string to date. I currently manually pass a string date to my program(cobdate = string.replace(sys.argv[1], '-', '')) which will be used by a lot of things. The date will be in this format. "2012-02-02". I need to convert this to a proper … |
| | Hey everyone, I'm trying work on a text based game and I'm a little stuck with navigating the rooms. So let's say I'm in a room with another room to the north, east, south, and west. I wanted to create a "navigation" function which takes four parameters, which are the … |
| | I created a program awhile back to translate a phrase into pig latin. Pretty simple program, but now I am trying to figure out how to get it to read from a file and process it that way. Here is my old program; [CODE] def main(): enter = raw_input("Enter a … |
| | im trying to make a simple calculator: [CODE] loop = 1 while loop == 1: print "Welcome to Jakes' Calculator" print "1) addition" print "3) multiplication" choice = raw_input("Enter a number 1-4: ") break if choice.strip() == "1": a = input("enter the first number: ") b = input("enter the second … |
 | Hello pythonistas, am still some months new to python and i've decided to go with the web2py framework. I love its simplicity but unfortunately, it lacks study resources. The only available book i could get was the official book written by MASSIMO DI PIERRO. id be greatly appreciated if i … |
| | Hey, Is there a way, by using find, to create a method that finds the last occurrence of a character in a string? I know how to use the find method to find the first occurrence but have no idea how to do it backwards. Basically this is what I … |
| | Not sure if it is possible but is there a way to multiply,add,or subtract values in a tuple? Say for example I have: [CODE] a=raw_input("enter 2 numbers separated by a /: ") #5/2 entered b=a.split("/") c=a[0]+a[1] print c [/CODE] The value comes out to 52 which is obviously wrong. Is … |
| | Hi all. I am having trouble with one of midterm practice problem questions again. I need to be able to get the First, Middle, and Last Name using the count function. However, my professor wants us to be using a name with more than one middle name, and I am … |
| | Please provide a pseudocode algorithm for this question please. Please do the pseudocode for Python 3.2.2 Write a program which asks the user to enter a username, and then a password. Then when they type the command “log off”, they will have to retype their username and password in order … |
| | printBoard: A call to this function with printBoard(5,4,[1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]) would print the following output to standard output: |-----------| | 1 0 0 1 0 | | 0 0 0 0 0 | | 0 0 0 0 0 | | 0 0 0 0 0 | |-----------| def board(l,h,list): %a length, … |
| | So I have a number of CSV files with 6 columns of numbers in each file. I would like to perform a few operations (multiplication, division etc.) on each column in each of the CSV files using Python and instead of opening each file manually, I want to add the … |
| | Write a program which asks the user to enter a username, and then a password. Then when they type the command “log off”, they will have to retype their username and password in order to log back on again. Please note i am using python 3.2.2. Regards Mark |
| | how would you go about highlighting text in the tkinter text widget ? |
| | Hi. I am a beginner with Python. I've done some PHP work in the past but I suspect this is not helping with my progress in Python. I have a text file that basically looks like this: [CODE]a=1 b=2 c=3 a=4 b=5 c=6 a=7 c=8 a=9 b=0 c=11[/CODE] At the … |
| | I am really struggling with a Python classes project. Here are the directions Design and implement a class called Dog that contains attributes (data) representing the dog’s name and age. Define the Dog constructor to accept and initialize that data. Include one method that will reset the dog’s age, one …  |
| | So I have been working on Pascal's triangle and going about it a different way then most. I am attempting do to a series of if and elif statements to check for the values in rows and columns of those rows. However my novice skills in python are stopping me … |
| | Please tell me what I'm doing wrong. I have a list, and I want python to make a file out of it. [CODE]def changename(filename, modifier): return filename[:4]+modifier+filename[-4:][/CODE] [CODE]def fileWrite(filename, ext, sortedList): openthis =open(okfilename(changename(filename,'_'+ext)),'wb') for item in sortedList: openthis.write(item) openthis.write('\n') return[/CODE] [CODE]lastnames.append(newNames) lastnames.sort() print '\n'.join(lastnames) names.close() fileWrite(filename, "Last-sorted", lastnames)[/CODE] |
| | I have to write a program that will decode a Ceasar cypher with any possible rotation length on a long string that will be imported into the program. I'm trying to figure out some pseudo coding on how I want to tackle this problem but there is one key thing … |
| | I am developing the Django application which runs the Matlab code and create some txt and png files on the server.when I run these below python command on server, it works fine but when I try to run from the server (it is coded in Viewspy).It shows file is updated.(from … |
| | hi, my code involves something like this: [I]IP = "123.123.123.123" string = "Your IP is %s and it's 100% correct" % IP[/I] The IDLE thinks the second % is a operator and I don't know how to make it as a regular text. please help. |
| | Guys I have this string: [CODE]mystring = 'blue, pink, red, red, red, white, long, short, blonde, blonde'[/CODE] I want to: 1.) Split it into a list, 2.) Erase all duplicates 3.) Sort it out alphabetically so I did this: [CODE]mystring = list(set(mystring.split(', '))).sort()[/CODE] But why when I go to call … |
| | Guys I'm looking for a clean way of splitting a string into a list: I have this: [CODE]myString = 'blue, red, pink, purple'[/CODE] and I want this: [CODE]myString = ['blue', 'red', 'pink', 'purple'][/CODE] How do I do that? |
| | Im trying to write a program that inputs a single letter and prints out the corresponding digit on the telephone. Im having trouble finding out a way in which you can group the variables that have the same digit, but im not sure how. You guys have any suggestions? P.S. … |
| | So I have a function called start() and it has multiple if statements and I want all of them to run. [code=python] def start(): print """You have just woken up from a very long nap. You find yourself in a dimly lit cave. There is a patch of light in … |
| | [CODE] a = input("enter the string") print "%s dinesh" %l m=re.match(r'(.*)(\.*)',l,re.I) print m.group() print m.group(2) [/CODE] i m getting the following error ,when i give input [CODE] Traceback (most recent call last): File "regularexp.py", line 1, in <module> a = input("enter the string") File "<string>", line 1, in <module> NameError: … |
| | With a lot of help from ihatehippies I got threads working yesterday. Now I need to stop 'em! More specifically I want to stop a second thread starting until the first has finished.. This is what I have in my threading class at the moment: [CODE]class ProcessThread(Thread): """Test Worker Thread … |
| | [QUOTE]i am trying to implement a fitness function for GA. i got a code written in python. i don't have any idea about python. can someone help me to convert it into java the code is here [/QUOTE] [CODE]# there are many ways to do an eigenvalue decomp, this is … |
| | Hello, I'm a python beginner and glad I joined this forum :). I'm wanting to make a simple program where the window is hidden for x seconds/minutes and is then shown again. My problem is that using time.sleep() causes the Hide() function to not run until after time.sleep() is complete. … |
| | I am looking at a source code There is a class called A and it has a parameter in its _init_ function called. Class A self.id = id There is another class called B and has a parameter in its __init__ function called Class B self.ide = ide There's an … |
| | Hi all. I have an up and coming midterm, and this is one of the practice problems. All's I need to do is draw a Tic-Tac-Toe board in TURTLE. However, it has to be in a loop, or something, and I am having a difficult time putting it into one. … |
| | Hello all, I found a thread similar, but it was closed... so here is the code and my question... I am wondering how to change the code from creating files to creating variables? this is the code from the thread on here.... and below it is the code that i … |
| | I want to explain my code to you. 1. this code is to search for the given number whether it is present in the list or not. 2. first if statement returns the value of row if the i/p number is in the first column 3. if the given number … |
| | Hi, I'm wanting my program to loop and create different files outputting at different stages in a while loop, I just can't work out how to make it happen! here's a stupid example [code=python] while (a<10): a = a+1 if (a=4) or (a=6): output = open('output'+a, 'w') #something like this? … |
| | Hi, I'm in need of some help in using functions for the hangman game. The professor doesn't understand how difficult it is for a first time programmer and just doesn't explain new concepts thoroughly. The game that I'm trying to code looks like this: Enter the secret word: LETTERS ------------------------------------------------------------ … |
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