大约有 30,000 项符合查询结果（耗时：0.0570秒） [XML]
How can I check if a key exists in a dictionary? [duplicate]
...in array:
# do something
Associative arrays are called dictionaries in Python and you can learn more about them in the stdtypes documentation.
share
|
improve this answer
|
...
How to override to_json in Rails?
...Rails 3, override serializable_hash instead of as_json. This will get your XML formatting for free too :)
This took me forever to figure out. Hope that helps someone.
share
|
improve this answer
...
How do I protect Python code? [closed]
I am developing a piece of software in Python that will be distributed to my employer's customers. My employer wants to limit the usage of the software with a time restricted license file.
...
case-insensitive list sorting, without lowercasing the result?
...
In Python 3.3+ there is the str.casefold method that's specifically designed for caseless matching:
sorted_list = sorted(unsorted_list, key=str.casefold)
In Python 2 use lower():
sorted_list = sorted(unsorted_list, key=lambd...
How do I create ColorStateList programmatically?
...of those solutions, pay attention to the order the states like in selector.xml!
– Anton Makov
Oct 4 '19 at 12:34
|
show 2 more comments
...
Generate random integers between 0 and 9
How can I generate random integers between 0 and 9 (inclusive) in Python?
19 Answers
1...
More elegant way of declaring multiple variables at the same time
...t least accepting of this idiom, but I suspect that some may consider it Unpythonic. </disclaimer>
Yet another approach, which is likely the most intuitive if you will be using this pattern frequently, is to define your data as a list of flag values (True, False) mapped to flag names (sing...
How to implement common bash idioms in Python? [closed]
...separate Linux commands, but you could probably implement directly in your Python scripts. Another huge batch of Linux commands are in the os library; you can do these more simply in Python.
And -- bonus! -- more quickly. Each separate Linux command in the shell (with a few exceptions) forks a sub...
Why is using 'eval' a bad practice?
... is a vector for code injection, and is dangerous in a way that most other Python functions are not. That doesn't mean you shouldn't use it at all, but I think you should use it judiciously.
– Owen S.
Aug 19 '11 at 16:52
...
Can I add jars to maven 2 build classpath without installing them?
...and etc.) from names of files. The script also prints out the dependencies xml for you to copy-paste in your pom.
Include the dependencies in your target package
When you'll have your in-project repository created you'll have solved a problem of distributing the dependencies of the project with its ...