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Does order of where clauses matter in SQL?
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102
No, that order doesn't matter (or at least: shouldn't matter).
Any decent query optimizer will...
Dictionary vs Object - which is more efficient and why?
...__init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_dict.py:
all = {}
for i in range(1000000):
o = {}...
nginx missing sites-available directory
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edited Jun 26 '18 at 21:00
user2066657
27822 silver badges1414 bronze badges
answered Jul 2 '13 at 0:2...
How do I unset an element in an array in javascript?
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answered Aug 28 '09 at 5:08
goinggoing
8,47922 gold badges3333 silver badges3636 bronze badges
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What is & used for
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130
& is HTML for "Start of a character reference".
& is the character reference for "A...
Creating SolidColorBrush from hex color value
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answered May 22 '12 at 21:09
Chris RayChris Ray
4,22322 gold badges1616 silver badges1919 bronze badges
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Format LocalDateTime with Timezone in Java8
...yyMMdd HH:mm:ss.SSSSSS Z");
ZonedDateTime.now().format(FORMATTER);
=> "20140829 14:12:22.122000 +09"
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jQuery: select an element's class and id at the same time?
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310
You can do:
$("#country.save")...
OR
$("a#country.save")...
OR
$("a.save#country")...
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Replace multiple strings with multiple other strings
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– Michal Moravcik
Nov 21 '14 at 13:02
2
You may want to escape the keys for the regular expressi...
Xcode - But… Where are our archives?
...obvious sense Apple.
– Michael
Apr 20 '16 at 22:24
24
Well done apple. Another step in the proces...