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How to clear the canvas for redrawing
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This is a great implementation. I fully support enhancing native prototypes, but you might want to ensure that "clear" is not defined before assigning it - I'm still hoping for a native implementation some day. :) Do you know how broadly browsers support CanvasRenderingCon...
What are the key differences between Scala and Groovy? [closed]
...nguage and is very well planned and designed. groovy is more like a set of enhancements that many people would love to use in java.
i took a closer look at both, so i can tell :)
neither of them is better or worse than the other. groovy is very good at meta-programming, scala is very good at everyt...
Get element at specified position - JavaScript
... event but it's not recommended, try to use .hover(...) and css instead to enhance the application performance.
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Create a hexadecimal colour based on a string with JavaScript
...-> "3A019F" intToRGB(hashCode('hello2')) -> "3A01A0" And I enhance your code by adding multiplication for final hash value: return 100 * hash;
– SirWojtek
Aug 24 '17 at 1:43
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Using C# reflection to call a constructor
...o GetConstructor is preferred if you want to cache a delegate (performance enhancement when calling the same constructor many times), but for one-off use Activator would be easier.
– Ben Voigt
Jul 15 '10 at 13:04
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Remove elements from collection while iterating
...nsists in collecting all the objects that we want to delete (e.g. using an enhanced for loop) and after we finish iterating, we remove all found objects.
ISBN isbn = new ISBN("0-201-63361-2");
List<Book> found = new ArrayList<Book>();
for(Book book : books){
if(book.getIsbn().equals...
Does Python have a ternary conditional operator?
...for a conditional expression in Python was added in 2006 as part of Python Enhancement Proposal 308. Its form differ from common ?: operator and it's:
<expression1> if <condition> else <expression2>
which is equivalent to:
if <condition>: <expression1> else: <exp...
SQL Server String or binary data would be truncated
...message.
Binary or string data would be truncated => error message enhancments
if you have that error (in production), it's not obvious to see which column or row this error comes from, and how to locate it exactly.
To enable new behavior you need to use DBCC TRACEON(460). New error ...
Get first key in a (possibly) associative array?
...opy is reused while running the benchmark since avoidance of array copying enhances performance only within this test.
– Jarda
Aug 11 '17 at 6:34
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How do I generate a random int number?
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Excellent answer. There are some good "enhancements" to Random out there to make your random-ness more robust: ericlippert.com/2019/02/04/fixing-random-part-2 and codeblog.jonskeet.uk/2009/11/04/revisiting-randomness .
– Jesse C. Slicer
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