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What is the best way to implement nested dictionaries?
...not inspecting the data on would be as useful as implementing __missing__:
from collections import defaultdict
def vivdict():
return defaultdict(vivdict)
But if you need to inspect your data, the results of an auto-vivified defaultdict populated with data in the same way looks like this:
>&...
How to show changed file name only with git log? [duplicate]
... diff --name-only develop | while read changed_file; do echo "This changed from the develop version: $changed_file"; done
#OR
git diff --name-only develop | xargs tar cvf changes.tar
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impr...
What is the fastest integer division supporting division by zero no matter what the result is?
...fore took philipp's first code and my code and ran it through the compiler from ARM and the GCC compiler for the ARM architecture, which features predicated execution. Both compilers avoid the branch in both samples of code:
Philipp's version with the ARM compiler:
f PROC
CMP r1,#0
...
Javascript how to split newline
... The last place where they were widely used was in ancient Mac OS versions from nearly 20 years ago.
– Ilmari Karonen
Sep 25 '19 at 21:36
...
What's the difference between fill_parent and wrap_content?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
Android Center text on canvas
...2)) ;
//((textPaint.descent() + textPaint.ascent()) / 2) is the distance from the baseline to the center.
canvas.drawText("Hello", xPos, yPos, textPaint);
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Performance of foreach, array_map with lambda and array_map with static function
... I've got an opposite result with the following codes which are simplified from my current projects:
// test a simple array_map in the real world.
function test_array_map($data){
return array_map(function($row){
return array(
'productId' => $row['id'] + 1,
'pr...
How do you test functions and closures for equality?
...s feature I, like many developers, also can't let go of my feelings coming from other languages where this is a trivial task. There are plenty of unsafeBitCast examples, most of them don't show the full picture, here's a more detailed one:
typealias SwfBlock = () -> ()
typealias ObjBlock = @conv...
What are Scala context and view bounds?
...o f doesn't need to know about it.
Besides Ordered, the most common usage from the library is handling String and Array, which are Java classes, like they were Scala collections. For example:
def f[CC <% Traversable[_]](a: CC, b: CC): CC = if (a.size < b.size) a else b
If one tried to do t...
How to hide close button in WPF window?
...you should add the following code to your Window class (the code was taken from here, edited and reformatted a bit):
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
HwndSource hwndSource = PresentationSource.FromVisual(this) as HwndSource;
if (h...