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What's the cleanest way of applying map() to a dictionary in Swift?
... a try: return Dictionary<Key, OutValue>(try map { (k, v) in (k, try transform(v)) })
– jpsim
Nov 4 '15 at 0:19
9
...
How to add a spinner icon to button when it's in the Loading state?
...ebkit-animation: spin2 1s infinite linear;
}
@keyframes spin {
from { transform: scale(1) rotate(0deg); }
to { transform: scale(1) rotate(360deg); }
}
@-webkit-keyframes spin2 {
from { -webkit-transform: rotate(0deg); }
to { -webkit-transform: rotate(360deg); }
}
Then just add th...
Why does the JVM still not support tail-call optimization?
...-call optimization.
But although it is well known how to automatically transform a tail-recursive function into a simple loop, the Java specification doesn't require that this transformation be made. Presumably, one reason it is not a requirement is that, in general, the transformation can't be ...
The easiest way to transform collection to array?
...<Foo> . What is the best (shortest in LoC in current context) way to transform it to Foo[] ? Any well-known libraries are allowed.
...
What are C++ functors and their uses?
...f values)
std::vector<int> out(in.size());
// Pass a functor to std::transform, which calls the functor on every element
// in the input sequence, and stores the result to the output sequence
std::transform(in.begin(), in.end(), out.begin(), add_x(1));
assert(out[i] == in[i] + 1); // for all...
How do I add a tool tip to a span element?
...]:before,
[data-tooltip-position="bottom"]:before {
left: 50%;
-ms-transform: translateX(-50%);
-moz-transform: translateX(-50%);
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
/* Dynamic vertical centering */
[data-tooltip-position="right"]:before,
[data-too...
Changing every value in a hash in Ruby
...
If you use Ruby 2.4+, it's even easier to use #transform_values! as pointed out by sschmeck (stackoverflow.com/a/41508214/6451879).
– Finn
Jan 9 '18 at 18:35
...
How to position a table at the center of div horizontally & vertically
... call it wrapper).
Declare the table itself, inside wrapper div.
Apply CSS transform to change the "registration point" of the wrapper object to it's center.
Move the wrapper object to the center of the parent object.
#content {
width: 5em;
height: 5em;
border: 1px solid;
border-co...
Is XSLT worth it? [closed]
...t (educational course material) in a simplified format which would then be transformed into HTML via XSLT. I played around (struggled) with it for a while and got it to a very basic level but then was too annoyed by the limitations I was encountering (which may well have been limitations of my knowl...
Pandas count(distinct) equivalent
...in', 'max', 'count' or 'mean' etc.
df.groupby('YEARMONTH')['CLIENTCODE'].transform('nunique') #count(distinct)
df.groupby('YEARMONTH')['CLIENTCODE'].transform('min') #min
df.groupby('YEARMONTH')['CLIENTCODE'].transform('max') #max
df.groupby('YEARMONTH')['CLIENTCODE'].transform('mean') ...