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Omitting the second expression when using the if-else shorthand
...|
edited Jul 26 '18 at 16:03
answered Jun 17 '12 at 6:33
aj...
Parse string to DateTime in C#
...ways be in a given format then you can use ParseExact():
string s = "2011-03-21 13:26";
DateTime dt =
DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo.InvariantCulture);
(But note that it is usually safer to use one of the TryParse methods in case a date is not in the expected format)...
How to round the minute of a datetime object
... DroidLe Droid
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11
...
How to format date and time in Android?
...
pupeno
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answered Jan 19 '09 at 8:57
JamieHJamieH
...
How to prevent ifelse() from turning Date objects into numeric objects
... dates)
str(dates)
# Date[1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): the true and false arguments must be the same type. This gives a less surprising return type, an...
Why are these numbers not equal?
...d Know About Floating-point Arithmetic," ACM Computing Surveys 23, 1 (1991-03), 5-48 doi>10.1145/103162.103163 (revision also available)
The Floating-Point Guide - What Every Programmer Should Know About Floating-Point Arithmetic
0.30000000000000004.com compares floating point arithmetic across p...
【免费开放】App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通...
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本帖最后由 莫海周 于 2025-03-20 10:39 编辑
这个扩展使用会引起Error3300错误，ssl通信不支持？请问如何解决？莫海周 发表于 2025-03-20 10:34
这个扩展使用会引起Error3300错误，ssl通信不支持？请问如何...
Extracting just Month and Year separately from Pandas Datetime column
..., like this:
In [5]: df
Out[5]:
date_time
0 2014-10-17 22:00:03
In [6]: df.date_time
Out[6]:
0 2014-10-17 22:00:03
Name: date_time, dtype: datetime64[ns]
In [7]: df.date_time.map(lambda x: x.strftime('%Y-%m-%d'))
Out[7]:
0 2014-10-17
Name: date_time, dtype: object
...
Min/Max of dates in an array?
...
Andrew D.Andrew D.
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...
How do I list the symbols in a .so file
...k | grep add
0000000000049500 T proton::work_queue::add(proton::internal::v03::work)
0000000000049580 T proton::work_queue::add(proton::void_function0&)
000000000002e7b0 W proton::work_queue::impl::add_void(proton::internal::v03::work)
000000000002b1f0 T proton::container::impl::add_work_queue()...
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