大约有 47,000 项符合查询结果（耗时：0.0723秒） [XML]
What is the maximum float in Python?
...
Cool, both are very useful. inf for all things python, and float_info.max as a workaround when the earlier doesn't work, for example time.sleep(float("inf")) is not allowed :(
– Dima Tisnek
Oct 20 '16 at 11:27
...
How to find the mime type of a file in python?
...stance in BLOBs. Let's say you want to dish these files out via a web page and have the client automatically open the correct application/viewer.
...
S3 Error: The difference between the request time and the current time is too large
I have error The difference between the request time and the current time is too large when call method amazons3.ListObjects
...
Can I get JSON to load into an OrderedDict?
...hook keep the orders in dict in deeper hierarchy?
– Random Certainty
Aug 6 '19 at 14:50
1
@Random...
How to highlight a current menu item?
...25 '12 at 23:46
Renan Tomal FernandesRenan Tomal Fernandes
10.9k44 gold badges4545 silver badges3030 bronze badges
...
Really Cheap Command-Line Option Parsing in Ruby
...he bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements.
...
Which machine learning classifier to choose, in general? [closed]
Suppose I'm working on some classification problem. (Fraud detection and comment spam are two problems I'm working on right now, but I'm curious about any classification task in general.)
...
In Python, how do I iterate over a dictionary in sorted key order?
...
This is not obvious. In fact, items() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically tak...
“Insert if not exists” statement in SQLite
...
If you have a table called memos that has two columns id and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where ...
C# Sanitize File Name
...onstructing the new file names using the ID3 tags (thanks, TagLib-Sharp!), and I noticed that I was getting a System.NotSupportedException :
...