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Comparing two files in linux terminal
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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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String comparison in Python: is vs. == [duplicate]
...ferred over == None.
I've always liked to use 'is' because
I find it more aesthetically pleasing
and pythonic (which is how I fell into
this trap...), but I wonder if it's
intended to just be reserved for when
you care about finding two objects
with the same id.
Yes, that's exactly...
What does = +_ mean in JavaScript
...st "1" to pure number 1.
var _ = "1";
var r = +_;
r is now 1, not "1".
Moreover, according to the MDN page on Arithmetic Operators:
The unary plus operator precedes its operand and evaluates to its
operand but attempts to converts it into a number, if it isn't
already. [...] It can conve...
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...
“Invalid JSON primitive” in Ajax processing
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thanks for the clarification, add one more comment, you can always do like JSON.stringify({foo:'foovalue', bar:'barvalue'}) for a easier life
– Elaine
Jul 1 '18 at 12:26
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val() doesn't trigger change() in jQuery [duplicate]
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