大约有 43,100 项符合查询结果(耗时:0.0431秒) [XML]
How to trace the path in a Breadth-First Search?
...
197
+50
You sho...
What regular expression will match valid international phone numbers?
...
\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|
2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|
4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$
Is the correct format for matching a generic international phone number. I replaced the US land line centric international access c...
How to calculate date difference in JavaScript?
...
18 Answers
18
Active
...
Simultaneously merge multiple data.frames in a list
... and columns, but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
...
Convert Go map to json
...
112
If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)...
How to get different colored lines for different plots in a single figure?
...
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
plt.plot(x, x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.show()
And, as you may already know, you can easily add a legend:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
pl...
Common programming mistakes for Clojure developers to avoid [closed]
... any base between 2 and 36 by using the "base+r+value" notation, such as 2r101010 or 36r16 which are 42 base ten.
Trying to return literals in an anonymous function literal
This works:
user> (defn foo [key val]
{key val})
#'user/foo
user> (foo :a 1)
{:a 1}
so I believed this would a...
Split column at delimiter in data frame [duplicate]
...
105
@Taesung Shin is right, but then just some more magic to make it into a data.frame.
I added a ...
How is OAuth 2 different from OAuth 1?
...simple terms, can someone explain the difference between OAuth 2 and OAuth 1?
10 Answers
...
When should I use cross apply over inner join?
...
13 Answers
13
Active
...