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Difference between len() and .__len__()?
...e even more added value beyond simple sanity checks and readability. By uniformly designing all of Python to work via calls to builtins and use of operators, never through calls to magic methods, programmers are spared from the burden of remembering which case is which. (Sometimes an error slips in...
How many and which are the uses of “const” in C++?
... really 2 main uses of const in C++.
Const values
If a value is in the form of a variable, member, or parameter that will not (or should not) be altered during its lifetime you should mark it const. This helps prevent mutations on the object. For instance, in the following function I do not nee...
What kind of Garbage Collection does Go use?
...cted.
Start the collector too early, and the application will perform too many garbage collections, wasting CPU resources.
Start the collector too late, and the application will exceed the desired maximum heap growth.
Achieving the right balance without sacrificing concurrenc...
Plotting a list of (x, y) coordinates in python matplotlib
...osashkello
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How to make a floated div 100% height of its parent?
...ners.
– Jake Wilson
Jul 13 '15 at 4:01
23
I don't know why this was accepted and upvoted so much....
How to create materialized views in SQL Server?
... white papers for more background:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of...
What are the lesser known but useful data structures?
...e
edited Feb 18 '09 at 20:01
community wiki
2 r...
Sending data back to the Main Activity in Android
...above.
– Spotlight
Aug 18 '16 at 15:01
when second activity finished and returns to first activity then how to set req...
How are software license keys generated?
...tDigit = x % 10;
CORRECT WAY TO DO IT
Windows XP takes quite a bit of information, encrypts it, and puts the letter/number encoding on a sticker. This allowed MS to both verify your key and obtain the product-type (Home, Professional, etc.) at the same time. Additionally, it requires online act...
URL matrix parameters vs. query parameters
... would recommend that you stick with query parameters for things like HTML forms and simple, single-level HTTP APIs.
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