69 Archived Topics
Remove Filter  | In the last couple of threads people have used the Python class, but really don't seem to know how to use them properly, or why to use them. Hence my question: "Why would you use a class in Python?" I though only Java forces you to use OOP.  |
| | I got infected right after a Java and Adobe update on my Windows7 machine. folder \jnihmpibahpjjmcodbopcpdaelkbpjnc is most likely a random generated folder. Note on malware **PriceLess** (pops up as Chrome extension, highlights strings for ads): PriceLess is in folders: C:\Users\HomeGroupUser$\AppData\Local\Chromatic Browser\User Data\Default\Extensions\jnihmpibahpjjmcodbopcpdaelkbpjnc\5.2 C:\Users\HomeGroupUser$\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\jnihmpibahpjjmcodbopcpdaelkbpjnc\5.2 C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome\User Data\Default\Extensions\jnihmpibahpjjmcodbopcpdaelkbpjnc\5.2 C:\Users\HomeGroupUser$\AppData\Local\Google\Chrome SxS\User Data\Default\Extensions\jnihmpibahpjjmcodbopcpdaelkbpjnc\5.2 … |
| | You can accesss the clipboard simply by using the Tkinter GUI toolkit that comes with your Python installation.  |
| | I have a Toshiba Satellite notebook with Windows7 OS. How would I go about it to replace Windows7 with Kubuntu? |
| | On Windows7 I am trying to read file C:\programdata\microsoft\application virtualization client\SoftGrid Client\sftfs.fsd using a Python program, but I get a PermissionError. How do I get permission? Why does folder programdata not show in the Microsoft file manager/explorer? |
| | On my Raspberry Pi computer I did a search for PIL and matplotlib with apt-cache search python but could not find anything close in the list. Is PIL/Pillow and matplotlib available for Linux and what is it called? The Raspberry Pi has Python27 and Python32 installed.  |
| | Draw a group of shapes on the Tkinter GUI toolkit canvas and animate the group using the common tag names. |
| | I have a tkinter program like the one below (for example) and want to create an executable file using module cx_freeze. I am using Python33 and Windows7. # Tk_circle2.py # draw a circle with given center (x,y) and radius # tkinter normally needs a specified square try: # Python2 import … |
| | There used to be a Python module called pyglet that allowed graphics and sound. I can't find it anywhere. |
| | I would like to break up a list into sublists of 3 elements each. I have this code, but it will give an index error when the length of the list is not divisible by 3. mylist = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11] … |
| | I asked that in another thread, but it got lost: [QUOTE]When do you use root.quit() and when do you use root.destroy() to exit a Tkinter program?[/QUOTE] Also, can you intercept an exit when you use the little x in the title bar, just to affirm that you really want to …  |
| | I need a function that returns True or False if an integer n is a prime. Any 'high speed' thoughts? |
| | Is there a way to read Adobe PDF files with Python? |
| | I need to read in a text file, replace selected words and write the changed text back out to a file. Is there an easy way with Python? |
| | Is there a reliable way to 'pluralize' english words with Python? |
| | I have a text I want to search for all it's upper case letters, then present these letters unique and sorted. I welcome any suggestions. |
| | How would you make a simple bar graph from a list of data? [code]data = [20, 15, 10, 7, 5, 4, 3, 2, 1, 1, 0] [/code]  |
| | I was trying to create a 3x3 list of lists, and came up with this surprising behaviour: [code]# creating a 2D list with an overloaded * operator mlist3 = [[0]*3]*3 print mlist3 # [[0, 0, 0], [0, 0, 0], [0, 0, 0]] mlist3[0][0] = 1 print mlist3 # [[1, 0, … |
| | I am still rather new to the Linux OS and need some detailed advice on the installation of Python3.1 on my Ubuntu machine. Python3.1 is not in the Ubuntu package repository yet. |
| | If you own a stopwatch, here is your chance to benchmark the various versions of Python on recursion performance. The Ackermann function gives the old computer quite a workout. |
| | Does anyone know a good internet site where I can 'park' my Python code? Easy download, upload, and search.  |
| | I have an HP DV9000 notebook with Vista, and created a Knoppix 6.1 live Linux Flashcard. I can boot it up and select Linux, but the 'wirless' switch will not activate, even so physically it is in the on position. It almost looks like there is a software( HP Wireless …  |
| | I just bought an inexpensive used Dell notebook that has Ubuntu/Linux as an operating system. Compared to Vista this is sweet. It came with Python25 installed, but it was easy to use the Add/Remove application feature to get open source software from the Ubuntu site. I downloaded/installed Stani's Python Editor … |
| | Every now and then Vista comes up with a "Program Compatability Assistant" popup window (see image) when you want to run a .exe file. If you make the mistake, like I did, and agree with the Administrator option, then from hence foreward everytime you want to run this particular executable … |
| | What's the preferred way to pass a string to and from a function?  |
| | I have a dictionary of chemical symbols and names, to look up the symbol and get the name is easy, but to find the symbol of a given chemical name seems to be more akward. Am I missing something here? [code=python]# small dictionary of chemical symbols symbol_dic = { 'C': … |
| | I want to make a small Molecular Weight calculator. If the user for instance enters the molecular formula for dichloro-benzoic acid as "C6H3Cl2COOH", I would like to split it into a list like ['C6', 'H3', 'Cl2', 'C', 'O', 'O', 'H'] so I can then combine all the carbons, chlorines, oxygens … |
| | I have an HP notebook with Windows Vista. I slowly got used to the childishness of Vista, but I cannot get used to the surprise upgrades. You are in the middle of something on the internet, then all of a sudden the program shuts down, the screen goes gray, after … |
| | I want to see if a certain word is in a text file, how do I go about that? |
| | The last time I posted a question here, I got a rather nasty response, so please just constructive stuff! I want to make a scrollable entrybox for Tkinter GUI, the scrollbar shows up and works, but text does not move. Am I missing something? [code=python] import Tkinter as tk root … |
| | How can I let the Tkinter Button command do more than one function?  |
| | How can I best find out how many times a word appears in a text? |
| | I know that you can do integer calculation in Python with astronomically large numbers. What is the precision limit when using floats? |
| | I know you can get the present time this way: [code]import time now = time.asctime(time.localtime()) print now # Mon Feb 19 10:41:32 2007 [/code]How can I make sure that 'now' does not fall on our lunchtime break, let's say 11:30AM to 12:45PM? |
| | How would one create a simple spreadsheet with Tkinter?  |
| | This could be a cooking recipe, but in my case it is a chemical recipe. Here is a typical generic chemical recipe: 23 g chemicalA is dissolved in 250 ml methanol. The solution is cooled to 0 - 5 degC and 18 ml compoundB is added dropwise over 60 minutes. … |
| | Is there a way to preselect/highlight a listbox item with the Tkinter GUI toolkit at the startup of the program without clicking the mouse on it? |
| | I keep reading threads here, some use the Tkinter GUI toolkit and others use the wxPython GUI toolkit. Why would one use one or the other? |
| | The department's computer has Python 2.4 and on my home computer (really my dad's computer) I installed Python 2.5. Is it possible to have Python 2.4 and Python 2.5 on the same computer? |
| | Since there is so much discussion on one of the threads on zipping/unzipping files and all the associated incompatibilities, is there a way to do this with Python and cut out the middleman? |
| | I know that one has to be careful with mutable arguments like lists applied to function calls, so that things like this won't accidentally happen: [php]def add_item(list2): list2.append(99) return list2 list1 = [1, 2, 3] list3 = add_item(list1) print list1 # [1, 2, 3, 99] oops! print list3 # [1, … |
| | I took a mixed type list and set out to find the min and max values. The results are very surprising to me: [php]mixed_list = [11, 'Dick', 12, 'Mary', 7, 'Zoe', 9, 700, 777, 'Paul', 13456789] mn = min(mixed_list) mx = max(mixed_list) print mn, type(mn) # 7 <type 'int'> print … |
| | I was experimenting with the nested list example in thread: [URL]http://www.daniweb.com/techtalkforums/post246791-72.html[/URL] and was trying to search a nested list like that: [code]nested_list = [1 ,'Dick', 2, ['Mary', 7, 9, [700, 777, 'Paul']], 13] if 'Paul' in nested_list: print 'found Paul' else: print 'Paul not found' [/code]It always tells me that … |
| | I want to make a Tkinter button respond to a left and right mouse click differently. How can I do this? |
| | How do you best swap the key:value pair of a dictionary? |
| | How can I make a Tkinter window take up all my display screen area? |
| | How can I best center a Tkinter window on my display screen? |
| | I like to create a database of common chemicals with Python. How would I go about that? Any help welcome! |
| | This came up on Chris99's bus ticket program thread. Would like to see any simple examples on how to pass variables between classes without using global variables. |
| | As you can see, I am playing around with the Tkinter GUI toolkit. How can I keep a number of widgets fixed in a location even when the user expands the window? |
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