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Replied To a Post in Comprehending Python
> However, if I'm asked to do an exercise, I cannot quite get every step down to what I should be doing. It is because what you should be doing … -
Replied To a Post in Hopelessly stuck in GUI programming
Here is a modified version which works (with python3) up to the point where the `newWindow()` method is called. You must add the code for the popup window and subsequent … -
Replied To a Post in Simple numpy map
Why not this ? >>> import numpy as np >>> a = np.array([1,2,1,3,4,5]) >>> 0.64 + 0.12 * a array([ 0.76, 0.88, 0.76, 1. , 1.12, 1.24]) -
Replied To a Post in Problem with python and SQL
As a bonus, you can try [my sqlite snippet](https://www.daniweb.com/software-development/python/code/472186/print-the-structure-of-an-sqlite3-database) on your database to display its structure from the command line. -
Replied To a Post in Problem with python and SQL
I opened the database with sqliteman and the table was indeed empty. What happened is that you forgot a statement conn.commit() in `dbinsert.py` before closing the connection. Your inserts occurred … -
Replied To a Post in Problem with python and SQL
You can install sqliteman to browse the database. Type sudo apt-get install sqliteman in ubuntu or other debian distros. Then open your database file with sqliteman and examine the contents … -
Replied To a Post in wmd bot
Why do you need a bot ? What do you want to do ? -
Replied To a Post in What's the best Python GUI framework?
For simple interfaces such as displaying or capturing data, a super easy solution is [guidata](https://pythonhosted.org/guidata/). -
Replied To a Post in script to search for .war files
You can use a breadth-first traversal to find the webapps folders first, then walk these folders import collections as col import itertools as itt import os def breadth_first(root, subnodes_func, max_depth=None): … -
Replied To a Post in Need quick help for executing a Python file in this way...
What went wrong ? With the shebang line, it should work readily. -
Replied To a Post in set an image as a Tkinter window background
You could perhaps create an image in a canvas widget, then draw other widgets above the canvas. -
Replied To a Post in How to get back GRUB to boot up?
I suggest to use the boot-repair disk as Slavi did in [this thread](https://www.daniweb.com/hardware-and-software/linux-and-unix/threads/488911/try-hd-0-0). In principle, it should work. It seems strange to me that you don't have a linux swap … -
Replied To a Post in Problem with installing ttk module
That's many t's and k's. -
Replied To a Post in Problem with installing ttk module
In python 2, use import ttk why don't you read the answers ? -
Replied To a Post in How to print letters randomaticly
The `random` module may be helpful. -
Replied To a Post in How to use CURL to implement SFTP
I don't know much about it, but there are many links about this. This one for example looks good http://www.unixlore.net/articles/using-curl-for-ftp-over-ssl-file.html . It seems to me that you should at least … -
Replied To a Post in Problem with running the program
Why don't you use the [other thread's solution](https://www.daniweb.com/software-development/python/threads/490499/problem-with-creating-a-file) ? I wrote all the code to create the file if does not exist and also to be able to run the … -
Replied To a Post in linux and unix
https://en.wikipedia.org/wiki/History_of_Unix -
Gave Reputation to L7Sqr in How to start file manager in specific folder without locking terminal?
You can do this with `screen`. For example: screen -d -m nautilus . Will start a screen session to host the `nautilus` process (without attaching to it) and will exit … -
Replied To a Post in How to start file manager in specific folder without locking terminal?
@JasonHippy It doesn't work with konsole and dolphin. When I close the konsole, it kills dolphin. -
Replied To a Post in How to start file manager in specific folder without locking terminal?
As a pythonista, my first try is python -c "import subprocess as sp; sp.Popen(['/usr/bin/dolphin'])" 2>/dev/null and it works. Dolphin is launched and the terminal is not locked. You can even … -
Replied To a Post in Problem with Tkinter code (button and label)
Again, your error message is for a modified code. I think you're forgetting that the `pack()` method returns None, which means that you must write a separate statement to pack … -
Replied To a Post in Problem with installing ttk module
In python 2 in kubuntu, I can import it directly import ttk In python 3 it is from tkinter import ttk `ttk.py` should be in the folder lib-tk in your … -
Replied To a Post in Problem with Tkinter code (button and label)
There is no line `Label['text'] = 'Good morning'` in the code you posted before. Also this error message is very explicit. You are using a variable named `Label` which has … -
Replied To a Post in Problem with Tkinter code (button and label)
Python says why it doesn't work Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named 'Tkinter' Nothing is more important than the error message! … -
Replied To a Post in problem with creating a file
Ok, here is the code section with comments. I hope it helps #!/usr/bin/env python3 # -*-coding: utf8-*- import os import pickle DBFILENAME = 'films.db' # The next line initializes a … -
Replied To a Post in The Importance of Perseverance
I agree with Hericles that this is an impressive but incomplete achievement. Once you know why moving that line made the difference, a very important step is to find the … -
Replied To a Post in problem with creating a file
Ok, here is a way. Try to understand every detail #!/usr/bin/env python3 # -*-coding: utf8-*- import os import pickle DBFILENAME = 'films.db' loaded = False favorite_movies = [] def pathtofile(filename=DBFILENAME): … -
Replied To a Post in problem with creating a file
Without the exact code, it is impossible to debug. For example in my code, there is no `pickle.load( open("films.db", "rb"))`. -
Replied To a Post in problem with creating a file
In fact it does not matter. However, a standard program pattern is # shebang line (#! ...) # coding """program docstring """ # imports ... import os import pickle # … -
Replied To a Post in problem with creating a file
You can create a pickle file containing an empty list of favorite movies #!/usr/bin/env python3 # -*-coding: utf8-*- import os import pickle # use db file in the same folder … -
Replied To a Post in Help needed to retrieve files
On my system, `man parted` shows option -l, --list lists partition layout on all block devices -
Replied To a Post in creating list of lists
If you add lists of integers together, you will always obtain a list of integers. If you want a list of sublist, you must *append* sublists to pack: pack.append(sublist) This … -
Replied To a Post in count of substrings. append method
Ok, so here is a new standard lib candidate import re def overcount(S, sub, start=0, end=None): """overcount(S, sub[, start[, end]]) -> int Return the number of overlapping occurences of substring … -
Replied To a Post in Introducing the symboldict module
Upgrade today to version 0.3.0! It is an optimized version with respect to the efficiency of attribute access. To upgrade, use pip install --upgrade symboldict 2015 jan 18 Edit: I … -
Replied To a Post in How to know which row of array that qualify some conditional state?
The result `(array([2]),)` is a tuple containing a single item which is an np array. The item 0 of this tuple is the first item, ie the array. This array's … -
Replied To a Post in How to know which row of array that qualify some conditional state?
Sure index = np.where((a[:,0] == 6) & (a[:,1] == 5))[0] X = index[0] -
Replied To a Post in How to know which row of array that qualify some conditional state?
You can write if np.where((a[:,0] == 6) & (a[:,1] == 5))[0]: print('yes') else: print('no') Can you explain what you want to do in a more precise way ? -
Replied To a Post in How to know which row of array that qualify some conditional state?
Well, as 7 is in the first column and 5 is in the second column, the result is hardly suprising >>> a[:,0] array([1, 3, 6, 7]) >>> a[:,1] array([2, 4, … -
Replied To a Post in How can i creat e text file to use as a database in python
@snippsat I like the concept, although being based on top of sqlalchemy may have a performance cost for *dataset*. The greatest thing in this may be the *datafreeze* command that … -
Gave Reputation to snippsat in How can i creat e text file to use as a database in python
A test with [dataset](http://dataset.readthedocs.org/en/latest/index.html),database as simple as it get. So here i have a player list that i store in a Sqlite(comes with Python) database. import dataset player_lst = [ … -
Replied To a Post in do-while loop in python
There was a PEP about this, https://www.python.org/dev/peps/pep-0315/ . It was discussed and rejected by Guido Van Rossum who gave the reason: >Please reject the PEP. More variations along these lines won't … -
Replied To a Post in How can i creat e text file to use as a database in python
Being able to save data to disk and retrieve it is equivalent to being able to convert this data to string and then back to data. Indeed, you can always … -
Replied To a Post in Installing Kubuntu
You can also burn a DVD with the appropriate version of kubuntu. Go here http://www.kubuntu.org/getkubuntu and choose Kubuntu 14.04 (long term support). If your PC is 64 bits choose the … -
Replied To a Post in how do I make a class instance act as a class??
Hey tcll, here is my latest version. There are probably some bugs which you can discover by testing but I think it can handle pretty complex assignment statements. It is … -
Replied To a Post in How to call a function from linux terminal
Use argparse ! It is by far the best way to do this #!/usr/bin/env python3 # -*-coding: utf8-*- def sayhi(): print('hi everybody!') def goodbye(): print('see you soon!') if __name__ == … -
Replied To a Post in How to call a function from linux terminal
Then the script must take an argument which is the function name. The best thing to do is to use the argparse module to parse the command line, something like … -
Replied To a Post in How to call a function from linux terminal
Can you post your script? It depends on what you want to do. For example, here is a function which prints hello world #!/usr/bin/env python # -*-coding: utf8-*- # This … -
Replied To a Post in Condition-controlled loop
The else part must go with the for. It is only executed if the for loop was not interrupted by a break statement for i in range (2, 25): if … -
Replied To a Post in extracting floats from a string
You can do it in a one-liner total = sum(float(x) for x in '1.32, 5.32, 4.4, 3.78'.split(','))
The End.