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How to mock a final class with mockito
...f these types. As this works differently to our current mechanism and this one has different limitations and as we want to gather experience and user feedback, this feature had to be explicitly activated to be available ; it can be done via the mockito extension mechanism by creating the file src/te...
Cache Invalidation — Is there a General Solution?
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What you are talking about is lifetime dependency chaining, that one thing is dependent on another which can be modified outside of it's control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but the cost of checking b is high then you...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...to something reasonably efficient for your current platform, whether it be one of those fancy bit-twiddling algorithms, or a single instruction.
A useful trick if your input can be zero is __builtin_clz(x | 1): unconditionally setting the low bit without modifying any others makes the output 31 f...
List comprehension: Returning two (or more) items for each item
... than O(N^2) performance). I'll still use sum(..., []) when I want a quick one-liner or I'm in a hurry, or when the number of terms being combined is bounded (e.g. <= 10).
– ninjagecko
Aug 8 '12 at 16:41
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Different ways of adding to Dictionary
...f the top of my head, but i don't think there's much more to it, than mentioned in the other comments. If i remember correctly, Add simply uses the indexer, but checks first to see if the Key is already in use.
– hhravn
Dec 3 '09 at 10:33
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Classes residing in App_Code is not accessible
...d to allow this? I have made it work in previous projects, but not in this one, somehow.
7 Answers
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Convert String[] to comma separated string in java
i have one String[]
23 Answers
23
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Java code To convert byte to Hexadecimal
...is sign-extended to a 32-bit int. To effectively undo this sign extension, one can mask the byte with 0xFF.
byte b = -1;
System.out.println(Integer.toHexString(b & 0xFF));
// prints "ff"
Another issue with using toHexString is that it doesn't pad with zeroes:
byte b = 10;
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
How do I make a transparent canvas in html5?
...canvas transparent? I need to because I want to put two canvases on top of one another.
6 Answers
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