大约有 38,427 项符合查询结果（耗时：0.0627秒） [XML]
How do I validate a date string format in python?
... line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
ValueError: Incorrect data format, should be YYYY-MM-DD
...
What is the _snowman param in Ruby on Rails 3 forms for?
...
308
This parameter was added to forms in order to force Internet Explorer (5, 6, 7 and 8) to encode ...
What are the correct link options to use std::thread in GCC under linux?
...
Earth Engine
8,58444 gold badges3535 silver badges6666 bronze badges
answered Dec 27 '11 at 22:24
hmjdhmjd
...
Does Internet Explorer 8 support HTML 5?
Is there any HTML5 support in IE8? Is it on the IE8 roadmap?
13 Answers
13
...
You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
...
danneudanneu
8,35333 gold badges2929 silver badges5656 bronze badges
...
Why would json_encode return an empty string
...ing returns probably a faulty response, some strings were probably not UTF-8
using utf8_encode() on those string solved my problem, but see note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8ize($d) {
if (is_array($d)) ...
Apply pandas function to column to create multiple new columns?
...
Building off of user1827356 's answer, you can do the assignment in one pass using df.merge:
df.merge(df.textcol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 featur...
What is the difference between a JavaBean and a POJO?
...
answered Sep 8 '09 at 14:18
Brian AgnewBrian Agnew
248k3535 gold badges309309 silver badges420420 bronze badges
...
Why is it OK to return a 'vector' from a function?
...
68
Can we guarantee it will not die?
As long there is no reference returned, it's perfectly fi...
How to serialize a lambda?
...
Java 8 introduces the possibility to cast an object to an intersection of types by adding multiple bounds. In the case of serialization, it is therefore possible to write:
Runnable r = (Runnable & Serializable)() -> System...