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Functional design patterns [closed]
...s.
Chapters 11-13 cover Functors, Applicative Functors and Monads, in that order. This is helpful - many tutorials introduce Functors and then Monads, and then tack Applicative Functors on at the end (if they cover it at all). The order in LYAH is better, because moving from Functors => Applicati...
What's Alternative to Singleton
...e Google Testing blog has a series of entries about avoiding Singleton (in order to create testable code). Maybe this can help you:
Using dependency injection to avoid singletons
Singletons are Pathological Liars
Root Cause of Singletons
Where have all the Singletons Gone?
The last article expla...
What is dynamic programming? [closed]
...t rid of the recursion all-together by evaluating the results in the right order:
cache = {}
def fibonacci(n):
cache[0] = 0
cache[1] = 1
for i in range(2, n + 1):
cache[i] = cache[i - 1] + cache[i - 2]
return cache[n]
We can even use constant space and store only the n...
Why does NULL = NULL evaluate to false in SQL server
... part number code in
Inventory that is referenced as a FOREIGN KEY by an Orders table, you
will have problems getting a listing of the parts that have a NULL. This is
a mandatory relationship; you cannot order a part that does not exist.
(separator)
6.9.1 Avoiding NULLs from the Host Pro...
How to find time complexity of an algorithm
...
(cont.) This hierarchy would have a height on the order of log N. As for O(N!) my analogies won't likely cut it, but permutations are on that order - it's prohibitively steep, more so than any polynomial or exponential. There are exactly 10! seconds in six weeks but the univ...
How to cherry pick a range of commits and merge into another branch?
...he "cherry-pick A..B" form, A should be older than B.
If they're the wrong order the command will silently fail.
If you want to pick the range B through D (including B) that would be B^..D (instead of B..D).
See "Git create branch from range of previous commits?" as an illustration.
As Jubobs menti...
What is the equivalent of 'describe table' in SQL Server?
... from information_schema.columns
where table_name = 'aspnet_Membership'
order by ordinal_position
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Just what is an IntPtr exactly?
...ost likely the camera driver uses unmanaged drivers under the hood, but in order to operate properly in the Managed-only world it provides the IntPtr to allow me to work with the data safely.
– bufferz
Jul 19 '09 at 0:21
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How to get the ASCII value of a character
... @eLymar: it's short for "ordinal," which has similar linguistic roots to "order" - i.e. the numeric rather than symbolic representation of the character
– Jacob Krall
Jan 16 '19 at 16:30
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How do I link to part of a page? (hash?)
...for navigation inside of current page. finally i used html5 mode of URL in order to removing route hashtags ;) @tomsmeding
– iraj jelodari
Nov 19 '16 at 15:20
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