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What is an example of the Liskov Substitution Principle?
...ordinates as parameters to locate the tile position in the two-dimensional array of Tiles. This will allow a game developer to manage units in the board during the course of the game.
The book goes on to change the requirements to say that the game frame work must also support 3D game boards to acc...
How can I combine hashes in Perl?
...h
https://metacpan.org/pod/Hash::Merge
Footnotes
1 * (aka associative-array, aka dictionary)
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How do I avoid capturing self in blocks when implementing an API?
...ample, I've seen people weakify an object and then, in the block they do: [array addObject:weakObject]; If the weakObject has been released, this causes a crash. Clearly that is not preferred over a retain cycle. You have to understand whether your block actually lives long enough to warrant weakify...
Getting exact error type in from DbValidationException
...lidation error count is shown as 1, there are actually two elements in the array with two errors.
– matrix
Aug 20 '13 at 16:14
3
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Update Git submodule to latest commit on origin
...ritten to output.
This list of relative submodule paths is captured in an array ($(...)) - finally iterate this and do git add $i to update the parent repository.
Finally, a commit with some message explaining that the parent repository was updated. This commit will be ignored by default, if nothi...
How to check if a String contains another String in a case insensitive manner in Java?
...) doesn't matter if you just want to check in one case. But if you have an array or a collection of thousands or hundreds of thousands of strings, things can get pretty slow.
The presented solution below doesn't use regular expressions nor toLowerCase() (which is also slow because it creates anothe...
Can JavaScript connect with MySQL?
... and a library called mysql. You can create queries, and get results as an array of registers. If you want to try it, you can use my project generator to create a backend and choose MySQL as the database to connect. Then, just expose your new REST API or GraphQL endpoint to your front and start work...
Why not be dependently typed?
...m this. Furthermore, vReplicate should be translatable to an actual memory array, something like newtype SVector n x = SVector (Data.Vector.Vector x), where n has kind Nat (or similar). Perhaps another demonstration point for a "dependently-typed show-off?"
– John L
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How to strip all non-alphabetic characters from string in SQL Server?
... better dbo.StripBlacklistCharacters() without a loop using sommarskog.se/arrays-in-sql-2005.html#tblnum table of numbers joined into your black list table, but I'm too lazy today to try it myself....
– KM.
Jun 17 '09 at 19:59
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How to declare constant map
...t = 1
Second = 2
Third = 4
)
You can not create constants of maps, arrays and it is written in effective go:
Constants in Go are just that—constant. They are created at compile
time, even when defined as locals in functions, and can only be
numbers, characters (runes), strings or b...