My objective is to add a vertical scroll bar to a frame which has several labels in it. The scroll bar should automatically enabled as soon as the labels inside the frame exceed the height of the frame. After searching through, I found this useful post. Based on that post I understand that in order to achieve…
Tag: python
Faster alternative to Python’s zipfile module?
Is there a noticeably faster alternative to Python 2.7.4 zipfile module (with ZIP_DEFLATED) for zipping a large number of files into a single zip file? I had a look at czipfile https://pypi.python.org/pypi/czipfile/1.0.0, but that appears to be focused on faster decrypting (not compressing). I am routinely ha…
Correct way to generate random numbers in Cython?
What is the most efficient and portable way to generate a random random in [0,1] in Cython? One approach is to use INT_MAX and rand() from the C library: Is it OK to use INT_MAX in this way? I noticed that it’s quite different from the constant you get from Python’s max int: yields: Which is the r…
How to monkeypatch builtin function datetime.datetime.now?
I’d like to make sure that datetime.datetime.now() returns a specific datetime for testing purposes, How do I do this? I’ve tried with pytest’s monkeypatch But this gives me the error TypeError: can’t set attributes of built-in/extension type ‘datetime.datetime’ Answer As t…
Calling AppleScript from Python without using osascript or appscript?
Is there any way to execute (and obtain the results of) AppleScript code from python without using the osascript command-line utility or appscript (which I don’t really want to use (I think?) because it’s no longer developed/supported/recommended)? Rationale: in another question I’ve just po…
Python – sum of two numbers program error [duplicate]
This question already has answers here: How can I read inputs as numbers? (10 answers) Closed 4 months ago. I was just getting into Python programming. I wrote a simple program to calculate sum of two user-input numbers: Now if I enter the numbers as 23 and 52, what showed in the output is: What is wrong with…
Alphabet range in Python
How do I create a list of alphabet characters, without doing it manually like this? Answer Alternatively, using range: Or equivalently: Other helpful string module features:
How to get keyboard input in pygame?
I am making a game in pygame 1.9.2. It’s a faily simple game in which a ship moves between five columns of bad guys who attack by moving slowly downward. I am attempting to make it so that the ship moves left and right with the left and right arrow keys. Here is my code: It works too well. The
AttributeError: ‘module’ object has no attribute ‘percentile’
I use this function to calculate percentile from here: But I get this error : I also tried but it didn’t I got the same error. my numpy version is 1.3.0 I tried to upgrade but it seems like it won’t I used : [sudo pip install –upgrade scipy][2] but I found that there’s no upgrade. my u…
How do I get current URL in Selenium Webdriver 2 Python?
I’m trying to get the current url after a series of navigations in Selenium. I know there’s a command called getLocation for ruby, but I can’t find the syntax for Python. Answer Use current_url element for Python 2: For Python 3 and later versions of selenium: