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How to Copy Contents of One Canvas to Another Canvas Locally
I'd like to copy ALL contents of one canvas and transfer them to another all on the client-side. I would think that I would use the canvas.toDataURL() and context.drawImage() method to implement this but I am running into a few issues.
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switch / pattern matching idea
... and some very smart people have done some very cool things in C#, but actually using it feels heavy.
What I have ended up using often (across-projects) in C#:
Sequence functions, via extension methods for IEnumerable. Things like ForEach or Process ("Apply"? -- do an action on a sequence item as...
Set scroll position
...'m trying to set the scroll position on a page so the scroller is scrolled all the way to the top.
4 Answers
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A monad is just a monoid in the category of endofunctors, what's the problem?
...lete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational texts of Category Theory. Here it is in context, which is probably the bes...
How can I mark “To Do” comments in Xcode?
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You can also use // FIX: Everything crashes all the time to make it easier get back to parts of your code that generate issues using the Jump Bar.
– Maarten
Jun 4 '13 at 8:50
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How to revert to origin's master branch's version of file
...hen:
git checkout origin/master filename
Assuming you want to blow away all commits from your branch (VERY DESTRUCTIVE):
git reset --hard origin/master
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How do I find duplicates across multiple columns?
...simple and efficient means to locate unwanted repetition, whilst also list all affected rows and all wanted columns:
SELECT
t.*
FROM (
SELECT
s.*
, COUNT(*) OVER (PARTITION BY s.name, s.city) AS qty
FROM stuff s
) t
WHERE t.qty > 1
ORDER BY t.name, t.city
While most...
How to use a WSDL
... of the defined methods on the WSDL contract.
Instantiate the client and call the methods you want to call - that's all there is!
YourServiceClient client = new YourServiceClient();
client.SayHello("World!");
If you need to specify the remote URL (not using the one created by default), you can e...
django order_by query set, ascending and descending
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models.somModalName.all().order_b('-date/time')
– Shedrack
Apr 29 at 10:32
1
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Maven: how to override the dependency added by a library
...endency management that have NOT yet been implemented for Maven 2.0, especially with regards to transitive dependencies." at the top.
– wishihadabettername
Oct 14 '10 at 20:30
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