大约有 16,000 项符合查询结果(耗时:0.0264秒) [XML]
How to add a custom loglevel to Python's logging facility
... you need args without *? If I do that, I get TypeError: not all arguments converted during string formatting but it works fine with *. (Python 3.4.3). Is it a python version issue, or something I'm missing?
– Peter
Apr 16 '17 at 20:10
...
How to extract public key using OpenSSL?
...
and if you need to convert this format to ssh-rsa AAAAB3NzaC1y.... run : ssh-keygen -f PublicKey.pub -i -mPKCS8
– Rafael Milewski
May 18 '18 at 4:46
...
Static methods in Python?
...MyClass(object):
@staticmethod
def the_static_method(x):
print(x)
MyClass.the_static_method(2) # outputs 2
Note that some code might use the old method of defining a static method, using staticmethod as a function rather than a decorator. This should only be used if you have to su...
Can I have multiple primary keys in a single table?
...e from two or more columns. For example:
CREATE TABLE userdata (
userid INT,
userdataid INT,
info char(200),
primary key (userid, userdataid)
);
Update: Here is a link with a more detailed description of composite primary keys.
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What is __gxx_personality_v0 for?
...ity Routine.
The reason it "works" by defining it as a global NULL void pointer is probably because nothing is throwing an exception. When something tries to throw an exception, then you will see it misbehave.
Of course, if nothing is using exceptions, you can disable them with -fno-exceptions (an...
How to style the with only CSS?
...compatibility? I know many JavaScript ways which customize the dropdown to convert into <li> , which I'm not asking about.
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Specify custom Date format for colClasses argument in read.table/read.csv
...
You can write your own function that accepts a string and converts it to a Date using the format you want, then use the setAs to set it as an as method. Then you can use your function as part of the colClasses.
Try:
setAs("character","myDate", function(from) as.Date(from, format=...
Find the min/max element of an Array in JavaScript
...e to debug. A jquery array works fine on everything but the iPad. I had to convert the array to a true native array for it to work. Only affected the single device for some reason Math.max.apply(null, $.makeArray(array));
– Forrest
Jul 25 '12 at 21:17
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Pandas: Looking up the list of sheets in an excel file
...sed only zipfile which is an in-built module and xmltodict which I used to convert the XML into an easily iterable dictionary. Although you can look at @divingTobi's answer below where you can read the same file without actually extracting the files within.
– Dhwanil shah
...
Getting exact error type in from DbValidationException
...onException)ex).EntityValidationErrors
This will allow you to drill down into the ValidationErrors tree. It's the easiest way I've found to get instant insight into these errors.
For Visual 2012+ users who care only about the first error and might not have a catch block, you can even do:
((Syste...