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Set operations (union, intersection) on Swift array?
...ubtract(array2) // {"c"}
set1.exclusiveOr(array2) // {"c", "d"}
Swift 1.2+ can calculate on sets:
set1.union(set2) // {"a", "b", "c", "d"}
set1.intersect(set2) // {"a", "b"}
set1.subtract(set2) // {"c"}
set1.exclusiveOr(set2) // {"c", "d"}
If you're using custom structs, you n...
How to get number of entries in a Lua table?
...(or one of the table's field) for storing the count, and increase it every time you make an insertion.
count = 0
tbl = {}
tbl["test"] = 47
count = count + 1
tbl[1] = 48
count = count + 1
print(count) -- prints "2"
There's no other way, the # operator will only work on array-like tables with ...
How to find list of possible words from a letter matrix [Boggle Solver]
...y faster. (I checked this against John Fouhy's solution.) After setup, the time to solve is down in the noise.
grid = "fxie amlo ewbx astu".split()
nrows, ncols = len(grid), len(grid[0])
# A dictionary word that could be a solution must use only the grid's
# letters and have length >= 3. (With ...
Processing $http response in service
... facing here at SO. As I couldn't send an actual $http request, I used timeout to simulate asynchronous behavior. Data binding from my model to view is working correct, with the help of @Gloopy
...
Fastest way to list all primes below N
...
Warning: timeit results may vary due to differences in hardware or
version of Python.
Below is a script which compares a number of implementations:
ambi_sieve_plain,
rwh_primes,
rwh_primes1,
rwh_primes2,
sieveOfAtkin,
sieveOf...
Good PHP ORM Library?
...ackground. It works, don't get me wrong, but you will be spending a lot of time learning it and its nuances that frankly are very frustrating if you have large dependent datasets. Doctrine is in wide use, no doubt, but if I were selecting an ORM today, Doctrine would NOT be my first choice, or even ...
NoSQL - MongoDB vs CouchDB [closed]
...documents are available
Crash-only (reliable) design
Needs compacting from time to time
Views: embedded map/reduce
Formatting views: lists & shows
Server-side document validation possible
Authentication possible
Real-time updates via '_changes' (!)
Attachment handling
Best used: For accumulati...
How to test if a string is basically an integer in quotes using Ruby
...eat actually .. I may have to give it a longer look when I have more spare time.
– Rado
Aug 5 '09 at 22:21
You've got ...
Insert HTML into view from AngularJS controller
...nt, you should avoid using filters. A filter will trigger two digests each time.
– Tantelope
Aug 9 '15 at 6:00
14
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Best way to give a variable a default value (simulate Perl ||, ||= )
... as you can add more conditions and assign to another variable in the same time
$foo = (isset($oData['foo']))?$bar['foo']:'default value';
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