大约有 4,761 项符合查询结果（耗时：0.0155秒） [XML]
How to force R to use a specified factor level as reference in a regression?
How can I tell R to use a certain level as reference if I use binary explanatory variables in a regression?
6 Answers
...
Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...
cc -o edit main.o kbd.o command.o display.o \
cc -c main.c
cc -c kbd.c
cc -c command.c
cc -c display.c
cc -c insert.c
cc -c search.c
cc -c files.c
cc -c utils.c
...
jQuery UI: Datepicker set year range dropdown to 100 years
Using the Datepicker the year drop down by default shows only 10 years. The user has to click the last year in order to get more years added.
...
How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...
I prefer using the dateutil library for timezone handling and generally solid date parsing. If you were to get an ISO 8601 string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether o...
How can I compare two lists in python and return matches
...
Not the most efficient one, but by far the most obvious way to do it is:
>>> a = [1, 2, 3, 4, 5]
>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>...
Swift equivalent for MIN and MAX macros
...os and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
...
C# Sortable collection which allows duplicate keys
...quence in which various objects will appear in report.
The sequence is the Y position (cell) on Excel spreadsheet.
16 Answe...
Is there a difference between “throw” and “throw ex”?
...e are some posts that asks what the difference between those two are already. (why do I have to even mention this...)
10 ...
How to convert local time string to UTC?
...or datetime.strptime for information on parsing the date string.
Use the pytz module, which comes with a full list of time zones + UTC. Figure out what the local timezone is, construct a timezone object from it, and manipulate and attach it to the naive datetime.
Finally, use datetime.astimezone()...
Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
...