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Is there a built-in function to print all the current properties and values of an object?
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unpythonic, because follows not-invented-here
– user3850
Oct 10 '08 at 17:31
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Django dump data for a single model?
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Take all data into json format from django model.
Syntax:
python manage.py dumpdata app_name.model_name
For example dumping data from group_permission model which reside in default auth app in django.
python manage.py dumpdata auth.group_permission
For output take a look on con...
Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...ate, you are welcome to report it and we'll consider adding it.
While PHP, Python and Ruby IDEA plug-ins are built from the same source code as used in PhpStorm, PyCharm and RubyMine, product release cycles are not synchronized. It means that some features may be already available in the lighter pro...
What is the best way to repeatedly execute a function every x seconds?
I want to repeatedly execute a function in Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.
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内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
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内存管理是计算机编程最为基本的领域之一。在很多脚本语言中，您不必担心内存是如何管理的，这并不能使得内存管理的重要性有一点点降低。对实际编程来说，理解您的内存管理器的能力与 局限性至关重要。在大部分系...
What does the star operator mean, in a function call?
What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ?
5 Answers
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How to identify whether a file is normal file or directory
How do you check whether a file is a normal file or a directory using python?
7 Answers
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How to pass arguments to a Button command in Tkinter?
Suppose I have the following Button made with Tkinter in Python:
18 Answers
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How to correct TypeError: Unicode-objects must be encoded before hashing?
...that answer.
Now, the error message is clear: you can only use bytes, not Python strings (what used to be unicode in Python < 3), so you have to encode the strings with your preferred encoding: utf-32, utf-16, utf-8 or even one of the restricted 8-bit encodings (what some might call codepages).
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round() doesn't seem to be rounding properly
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As Vinko says, you can use string formatting to do rounding for display.
Python has a module for decimal arithmetic if you need that.
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