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LEFT OUTER JOIN in LINQ
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As stated on:
101 LINQ Samples - Left outer join
var q =
from c in categories
join p in products on c.Category equals p.Category into ps
from p in ps.DefaultIfEmpty()
select new { Category = c, ProductName = p == null ? "(N...
Getting a map() to return a list in Python 3.x
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TriptychTriptych
180k3131 gold badges140140 silver badges167167 bronze badges
17
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How do I concatenate or merge arrays in Swift?
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answered Dec 2 '15 at 8:01
Tomasz BąkTomasz Bąk
5,60622 gold badges3030 silver badges4545 bronze badges
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How to sort two lists (which reference each other) in the exact same way
...*sorted(zip(list1, list2)))
100000 loops, best of 3: 2.41 us per loop
# 0.01us better for np.array (I think this is negligible)
%timeit tups = zip(list1, list2); tups.sort(); zip(*tups)
100000 loops, best for 3 loops: 1.96 us per loop
Even though np.argsort isn't the fastest one, I find it easier...
Python multiprocessing pool.map for multiple arguments
...e.
– Björn Pollex
Mar 26 '11 at 21:01
1
@Space_C0wb0y: f((a,b)) syntax is deprecated and removed...
A cron job for rails: best practices?
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answered Jun 16 '11 at 20:01
Jim GarvinJim Garvin
4,58622 gold badges2020 silver badges1717 bronze badges
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Does JavaScript guarantee object property order?
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The iteration order for objects follows a certain set of rules since ES2015, but it does not (always) follow the insertion order. Simply put, the iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys:
// key order: 1, foo, bar
const obj...
Questions every good Java/Java EE Developer should be able to answer? [closed]
...r.
– Joachim Sauer
Jan 25 '10 at 13:01
13
@Joachim: you could drop the word "Java" from your stat...
php check if array contains all array values from another array
...) calls?
– Wrikken
Aug 15 '13 at 16:01
1
@Wrikken Can't the values get reordered during array_int...
How do I loop through or enumerate a JavaScript object?
...nes.
– Zubair Alam
Aug 29 '14 at 19:01
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