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Change text color based on brightness of the covered background area?
I've thought about the following for a while already, so now I want to know your opinions, possible solutions, and so on.
8...
Convert floats to ints in Pandas?
I've been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers, or, without comma. Is there a way to convert them to integers or not display the comma?
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In Functional Programming, what is a functor?
...tor' a few times while reading various articles on functional programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see th...
How to pass objects to functions in C++?
I am new to C++ programming, but I have experience in Java. I need guidance on how to pass objects to functions in C++.
7 A...
Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
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INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
Change priorityQueue to max priorityqueue
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How about like this:
PriorityQueue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) ...
How to strip HTML tags from string in JavaScript? [duplicate]
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Using the browser's parser is the probably the best bet in current browsers. The following will work, with the following caveats:
Your HTML is valid within a <div> element. HTML contained within <body> or <html> or ...
Convert a list to a dictionary in Python
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b = dict(zip(a[::2], a[1::2]))
If a is large, you will probably want to do something like the following, which doesn't make any temporary lists like the above.
from itertools import izip
i = iter(a)
b = dict(izip(i, i))
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curl POST format for CURLOPT_POSTFIELDS
...se you are sending a string, urlencode() it. Otherwise if array, it should be key=>value paired and the Content-type header is automatically set to multipart/form-data.
Also, you don't have to create extra functions to build the query for your arrays, you already have that:
$query = http_build_...