大约有 44,000 项符合查询结果（耗时：0.0545秒） [XML]
Generate random numbers with a given (numerical) distribution
... You can then use the rvs() method of the distribution object to generate random numbers.
As pointed out by Eugene Pakhomov in the comments, you can also pass a p keyword parameter to numpy.random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you a...
How to determine if a string is a number with C++?
...
Also doesn't handle negative numbers and non-whole numbers. We can't know what the requirements are based on the question.
– Brennan Vincent
Jan 11 '11 at 6:24
...
C++ Exceptions questions on rethrow of original exception
...
This question is rather old and has an answer appropriate to the time it was asked.
However, I just want to add a note on how to do proper exception handling since C++11 and I believe this corresponds very well to what you were trying to achieve with yo...
Fragment transaction animation: slide in and slide out
...animate transaction between fragments. I've used this method for animation and it works:
5 Answers
...
Understanding the Rails Authenticity Token
... a form to create, update, or destroy a resource, the Rails app creates a random authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the user submits the form, Rails looks for the authenticity_token, compares it to the one stored in the session, an...
What's the difference between event.stopPropagation and event.preventDefault?
They seem to be doing the same thing...
Is one modern and one old? Or are they supported by different browsers?
7 Answers...
What's the difference between jQuery's replaceWith() and html()?
What's the difference between jQuery's replaceWith() and html() functions when HTML is being passed in as the parameter?
5 ...
Select by partial string from a pandas DataFrame
...]
Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
share
|
improve this answer
|
follow
|
...
Using port number in Windows host file
...ws as well as on Unix-like systems). You cannot put port numbers in there, and there is no way to do what you want with generic OS-level configuration - the browser is what selects the port to choose.
So use bookmarks or something like that.
(Some firewall/routing software might allow outbound port...
keycode 13 is for which key
...
Check an ASCII table.
It stands for CR, or Carriage Return, AKA the Return key.
share
|
improve this answer
|
follow
...