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Difference between map, applymap and apply methods in Pandas
Can you tell me when to use these vectorization methods with basic em>x m>amples?
10 Answers
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Catch a thread's em>x m>ception in the caller thread in Python
...thread_obj.start() returns immediately. The child thread that you spawned em>x m>ecutes in its own contem>x m>t, with its own stack. Any em>x m>ception that occurs there is in the contem>x m>t of the child thread, and it is in its own stack. One way I can think of right now to communicate this information to the parent...
Preserving order with LINQ
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I em>x m>amined the methods of System.Linq.Enumerable, discarding any that returned non-IEnumerable results. I checked the remarks of each to determine how the order of the result would differ from order of the source.
Preserves Or...
Cast to int vs floor
...) = -5
(int)(-4.5) = -4
This being said, there is also a difference in em>x m>ecution time. On my system, I've timed that casting is at least 3 times faster than floor.
I have code that needs the floor operation of a limited range of values, including negative numbers. And it needs to be very effici...
Get number of digits with JavaScript
...post suggests, I would like to know how many digits var number has. For em>x m>ample: If number = 15; my function should return 2 . Currently, it looks like this:
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pyplot scatter plot marker size
...it increases it by a factor of 4). To see this consider the following two em>x m>amples and the output they produce.
# doubling the width of markers
m>x m> = [0,2,4,6,8,10]
y = [0]*len(m>x m>)
s = [20*4**n for n in range(len(m>x m>))]
plt.scatter(m>x m>,y,s=s)
plt.show()
gives
Notice how the size increases very quickl...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
...ored or has no effect when used with PostgreSQL
– Alem>x m> R
Apr 29 '19 at 0:26
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How to check if a variable is an integer in JavaScript?
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Nem>x m>t
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Programmatically scroll a UIScrollView
...lowing statements in Objective-C
[scrollView setContentOffset:CGPointMake(m>x m>, y) animated:YES];
or Swift
scrollView.setContentOffset(CGPoint(m>x m>: m>x m>, y: y), animated: true)
See the guide "Scrolling the Scroll View Content" from Apple as well.
To do slideshows with UIScrollView, you arrange all im...
How to get JS variable to retain value after page refresh? [duplicate]
... to permanently change a javascript variable? As in, if I set the variable m>X m> and make that equal to 1. Then onClick of a button change that variable to 2. How can I get that variable to stay at 2 on refresh of the page?
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