大约有 45,000 项符合查询结果（耗时：0.0544秒） [XML]
Rotating a two-dimensional array in Python
...
That's a clever bit.
First, as noted in a comment, in Python 3 zip() returns an iterator, so you need to enclose the whole thing in list() to get an actual list back out, so as of 2020 it's actually:
list(zip(*original[::-1]))
Here's the br...
Should I compile with /MD or /MT?
...
The system updates bit is somewhat reduced by SxS. The EXE gets to declare which CRT version it wants (wants, not gets - security updates might overrule this)
– MSalters
Apr 17 '09 at 13:49
...
Why does C# forbid generic attribute types?
...he attribute design, but manually declare type-specific attributes. It's a bit more work, but the aim is for the reliability of knowing the validation rules (and being able to report on them for confirmation).
– bambams
Jan 13 '10 at 21:54
...
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...s technically correct - JSON should be formatted with double quotes). This bit of code will clean that up before trying to parse it.
share
|
improve this answer
|
follow
...
Learning Python from Ruby; Differences and Similarities
...ctions. Ruby blocks, which are kind of/sort of lambda functions, can be arbitrarily big. Because of this, Ruby code is typically written in a more functional style than Python code. For example, to loop over a list in Ruby, you typically do
collection.each do |value|
...
end
The block works ...
How to convert SQL Query result to PANDAS Data Structure?
...ally, since my last response, I've used pyodbc and pandas together quite a bit. Adding new answer with example, FYI.
– openwonk
Aug 16 '17 at 15:50
...
c# open a new form then close the current form?
...
there is no Closed event in windows forms in dot net. Can you tell me is it FormClosed event
– Anjali
Jul 11 '14 at 9:47
2
...
Redis strings vs Redis hashes to represent JSON: efficiency?
...T users {id} '{"name":"Fred","age":25}'
This allows you to consolidate a bit and only use two keys instead of lots of keys. The obvious disadvantage is that you can't set the TTL (and other stuff) on each user Object, since it is merely a field in the Redis hash and not a full-blown Redis key.
A...
What is the official “preferred” way to install pip and virtualenv systemwide?
...e downside here is that 30+ virtualenvs later you might have used up quite bit of diskspace and cluttered up your filesystem.
As you can see, with the many options it is difficult to say which method to use, but with a little investigation into your use cases, you should be able to find a method t...
What is the “assert” function?
...ion" -- in C++ it does not rise "exception" it calls abort... it is little bit different.
– Artyom
Oct 15 '09 at 10:55
5
...