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css z-index lost after webkit transform translate3d
I have two absolutely positioned div elements that overlap. Both have set z-index values via css. I use the translate3d webkit transform to animate these elements off the screen, and then back onto the screen. After the transform, the elements no longer respect their set z-index values.
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z-index not working with fixed positioning
...ent in this case)
Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements with the same value are stacked according to appearance in the HTML)
Non-positioned elements (ordered by appearance in the HTML)
Positioned elem...
Preserving signatures of decorated functions
... convert all arguments to a specific type, perform logging, implement memoization, etc.
6 Answers
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...two Python dictionaries in a single expression?
For dictionaries x and y, z becomes a shallowly merged dictionary with values from y replacing those from x.
In Python 3.5 or greater:
z = {**x, **y}
In Python 2, (or 3.4 or lower) write a function:
def merge_two_dicts(x, y):
z = x.copy() # s...
How to sort a dataframe by multiple column(s)
...ns. For example, with the data.frame below I would like to sort by column z (descending) then by column b (ascending):
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Defining an array of anonymous objects in CoffeeScript
... island205island205
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How to count TRUE values in a logical vector
...re some problems when logical vector contains NA values.
See for example:
z <- c(TRUE, FALSE, NA)
sum(z) # gives you NA
table(z)["TRUE"] # gives you 1
length(z[z == TRUE]) # f3lix answer, gives you 2 (because NA indexing returns values)
So I think the safest is to use na.rm = TRUE:
sum(z, na....
What characters are allowed in an email address?
...these ASCII characters:
uppercase and lowercase Latin letters A to Z and a to z;
digits 0 to 9;
special characters !#$%&'*+-/=?^_`{|}~;
dot ., provided that it is not the first or last character unless quoted, and provided also that it does not appear consecutively unless quoted (e...
How to test multiple variables against a value?
...omparison for all names here. You are looking for:
if x == 1 or y == 1 or z == 1:
x and y are otherwise evaluated on their own (False if 0, True otherwise).
You can shorten that using a containment test against a tuple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
using a set to ...
What is this date format? 2011-08-12T20:17:46.384Z
I have the following date: 2011-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
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