大约有 47,000 项符合查询结果（耗时：0.0702秒） [XML]
WAMP shows error 'MSVCR100.dll' is missing when install
...firmation.aspx?id=29 as wamp uses some of the libraries from VC++ 2008. I know it's a bit weird but mine problem was solved when I installed VC++ 2008 and also the wamp forum states the same for this problem.
– user85
May 8 '14 at 9:38
...
What is scope/named_scope in rails?
...a collection. Sounds complicated? It isn't. Imagine this:
You have Users. Now, some of those Users are subscribed to your newsletter. You marked those who receive a newsletter by adding a field to the Users Database (user.subscribed_to_newsletter = true). Naturally, you sometimes want to get those ...
How set maximum date in datepicker dialog in android?
...ate picker maximum date is as today date according to system date.i don't know how to set date picker maximum date as today date.Can any one know help me to solve this problem.
...
No mapping found for field in order to sort on in ElasticSearch
...updating any libraries etc. but today I started getting this same error. I now added "ignore_unmapped" : true and it started to work again but strange thing is, what has happened behind the scene! Who knows! Anyway, it works now. +1
– BentCoder
May 19 '16 at 20...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...he parenthesis if there is less than two parameters passed to the method.
Now, the operator notation is a notation for method-call, which means it can't be used in the absence of the object which is being called.
I'll briefly detail the notations.
Prefix:
Only ~, !, + and - can be used in prefix...
Installing libv8 gem on OS X 10.9+
...f libv8 in the project I'm working on. I'll be downgrading to OSX 10.8 for now!
– tanookiben
Oct 25 '13 at 19:41
36
...
Adding n hours to a date in Java?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 & Java 9. See Tutorial by Oracle.
– Basil Bourque
Mar 25 '18 at 18:48
...
numpy: most efficient frequency counts for unique values in an array
...y 1.9, the easiest and fastest method is to simply use numpy.unique, which now has a return_counts keyword argument:
import numpy as np
x = np.array([1,1,1,2,2,2,5,25,1,1])
unique, counts = np.unique(x, return_counts=True)
print np.asarray((unique, counts)).T
Which gives:
[[ 1 5]
[ 2 3]
...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...e could find the exact means if we wanted).
This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parameters) that best explains that data.
Now imagine that we cannot see which value was sampled from which group. Everything lo...
How to set timeout for http.Get() requests in Golang?
... nil {
return nil, err
}
conn.SetDeadline(time.Now().Add(rwTimeout))
return conn, nil
}
}
func NewTimeoutClient(connectTimeout time.Duration, readWriteTimeout time.Duration) *http.Client {
return &http.Client{
Transport: &http.Transport{
...