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Lambda Expression and generic method
...ethod in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent wi...
How to sort the result from string_agg()
...:58
KT12
33166 silver badges1414 bronze badges
answered Jul 23 '14 at 9:42
Igor RomanchenkoIgor Romanchenko
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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38
Since v9.3 you can do a lateral join
select distinct t_outer.section_id, t_top.id, t_top.name ...
Emacs: print key binding for a command or list all key bindings
In Emacs (GNU 23.2, *nix), how can I:
2 Answers
2
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Why use make over a shell script?
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132
The general idea is that make supports (reasonably) minimal rebuilds -- i.e., you tell it what ...
Change name of folder when cloning from GitHub?
...nin with .
– Marged
Jul 9 '18 at 11:37
@Marged that should be its own answer by freng. Hope the Homer doing good by th...
Take diff of two vertical opened windows in Vim
... incorrect results.
– baldrs
Jul 30 '14 at 13:28
One can use an alias:windo difft[this]. Ref: :help diff
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Differences between contentType and dataType in jQuery ajax function
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answered Jan 14 '13 at 16:59
Anthony GristAnthony Grist
36.9k88 gold badges6060 silver badges7272 bronze badges
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How do you create an asynchronous method in C#?
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3 Answers
3
Active
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How to randomly select an item from a list?
..., 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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