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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...it does not make sense to use it ever. ;) (In his opinion, the next one is more readable).
You can use the built in list() function:
new_list = list(old_list)
You can use generic copy.copy():
import copy
new_list = copy.copy(old_list)
This is a little slower than list() because it has to find o...
How to calculate cumulative normal distribution?
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@javadba - location and scale are more general terms in statistics that are used to parameterize a wide range of distributions. For the normal distribution, they line up with mean and sd, but not so for other distributions.
– Michael Oh...
Easiest way to convert a List to a Set in Java
...our objects. This is done in combination with the .hashCode() method. (For more on equality look here)
An alternative that gives a sorted set is:
new TreeSet<Foo>(myList);
This works if Foo implements Comparable. If it doesn't then you may want to use a comparator:
Set<Foo> lSet = n...
How to prevent a click on a '#' link from jumping to top of page?
... Instead of return false, do an event.preventDefault(). This is more clear for the people who will read your code.
– RvdK
Jul 15 '10 at 6:06
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How to define an enum with string value?
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Firing a double click event from a WPF ListView item using MVVM
...part (appearance, animations, etc.) from the logic part (workflow). Furthermore, you are able to unit test the logic part.
I know enough scenarios where you have to write code behind because data binding is not a solution to everything. In your scenario I would handle the DoubleClick event in the c...
Postgres: Distinct but only for one column
I have a table on pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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How to convert a double to long without casting?
...// x = 1234
This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated code.
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How do I serialize a C# anonymous type to a JSON string?
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