大约有 40,000 项符合查询结果(耗时:0.0827秒) [XML]

https://stackoverflow.com/ques... 

Static methods in Python?

Is it possible to have static methods in Python which I could call without initializing a class, like: 10 Answers ...
https://stackoverflow.com/ques... 

What is the difference between linear regression and logistic regression?

...e, and greater than 1 whereas probability can not. As regression might actually produce probabilities that could be less than 0, or even bigger than 1, logistic regression was introduced. Source: http://gerardnico.com/wiki/data_mining/simple_logistic_regression Outcome In linear regression, the...
https://stackoverflow.com/ques... 

Remove unwanted parts from strings in a column

...place a number such as the number 12? If I do x.lstrip('12') it takes out all 1 and 2s. – Dave Oct 26 '16 at 21:19 add a comment  |  ...
https://stackoverflow.com/ques... 

Detecting when a div's height changes using jQuery

...got a div that contains some content that's being added and removed dynamically, so its height is changing often. I also have a div that is absolutely positioned directly underneath with javascript, so unless I can detect when the height of the div changes, I can't reposition the div below it. ...
https://stackoverflow.com/ques... 

Django queries - id vs pk

...ry key field i.e. you don't need to care whether the primary key field is called id or object_id or whatever. It also provides more consistency if you have models with different primary key fields. share | ...
https://stackoverflow.com/ques... 

Verify version of rabbitmq

...tead on Archlinux - [{rabbit,34362},{rabbitmqctl23794,40359}] though I installed rabbitmq 3.1.3-1 :) – Sian Lerk Lau Dec 3 '13 at 6:18 1 ...
https://stackoverflow.com/ques... 

Divide a number by 3 without using *, /, +, -, % operators

...n which performs the desired operation. But it requires the + operator, so all you have left to do is to add the values with bit-operators: // replaces the + operator int add(int x, int y) { while (x) { int t = (x & y) << 1; y ^= x; x = t; } return y; }...
https://stackoverflow.com/ques... 

Count how many records are in a CSV Python?

...aranteed to be a fixed size, so the only way to count them is to read them all. – Martijn Pieters♦ Apr 19 '13 at 15:55 1 ...
https://stackoverflow.com/ques... 

Block Comments in a Shell Script

...ommands and noh is for nohighlight. Search term highlighting will automatically resume the next time you search for something. Example: :10,100s/^/#/g|noh – Matthew Mar 13 '15 at 20:43 ...
https://stackoverflow.com/ques... 

How do I “source” something in my .vimrc file?

... Sourcing a file is 'executing' it. Essentially, each line of the file is considered a command. Sourcing it is the same as typing each command in order. You source with the command :source (usually shortened to :so). So if you source myStuff.vim :so myStuff.vim an...