大约有 3,516 项符合查询结果（耗时：0.0218秒） [XML]
How do I read CSV data into a record array in NumPy?
...rror: 'ascii' codec can't decode byte 0xc3 in position 155: ordinal not in range(128). I have umlauts such as ä and ö in the input data.
– hhh
Jun 18 '17 at 12:00
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JavaScript % (modulo) gives a negative result for negative numbers
...e to change the behaviour of the remainder operator, it would break a good range of programs using it. That's never going to happen.
– Aegis
Feb 2 '16 at 23:16
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Find the most frequent number in a numpy vector
...rray as large as the largest element in arr, so a small array with a large range would create an excessively large array. Apoengtus's answer below is much better, although I don't think numpy.unique() existed in 2011, when this answer was created.
– Wehrdo
Mar ...
Remove an entire column from a data.frame in R
... columns named in one_of()
select(-(name:hair_color)) %>% # the range of columns from 'name' to 'hair_color'
select(-contains('color')) %>% # any column name that contains 'color'
select(-starts_with('bi')) %>% # any column name that starts with 'bi'
select(-ends_w...
How many random elements before MD5 produces collisions?
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A rough rule of thumb for collisions is the square-root of the range of values. Your MD5 sig is presumably 128 bits long, so you're going to be likely to see collisions above and beyond 2^64 images.
share
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Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?
... use a datepicker for choosing an appointment day. I already set the date range to be only for the next month. That works fine. I want to exclude Saturdays and Sundays from the available choices. Can this be done? If so, how?
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Clear back stack using fragments
...n the accepted answer when expecting a well defined behaviour over a wider range of devices and vendors:
(for reference, something along with this)
FragmentManager fm = getFragmentManager(); // or 'getSupportFragmentManager();'
int count = fm.getBackStackEntryCount();
for(int i = 0; i < count; ...
The first day of the current month in php using date_modify as DateTime object
...DateTime('last day of this month');
The only issue I came upon is that strange time is being set. I needed correct range for our search interface and I ended up with this:
$firstDay = new \DateTime('first day of this month 00:00:00');
$lastDay = new \DateTime('first day of next month 00:00:00');
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Remove characters except digits from string using Python?
...g of length 256) which in this case is the same as ''.join(chr(x) for x in range(256)) (just faster to make;-). .translate applies the translation table (which here is irrelevant since all essentially means identity) AND deletes characters present in the second argument -- the key part.
.translate ...
Detect backspace in empty UITextField
...turn false in textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool
– igrrik
Feb 6 '19 at 12:12
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