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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
... INTO `usage`
(`thing_id`, `times_used`, `first_time_used`)
VALUES
(4815162342, 1, NOW())
ON DUPLICATE KEY UPDATE
`times_used` = `times_used` + 1
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Position an element relative to its container
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You are right that CSS positioning is the way to go. Here's a quick run down:
position: relat...
Reordering of commits
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answered Apr 29 '10 at 21:13
CascabelCascabel
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Preview layout with merge root tag in Intellij IDEA/Android Studio
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How to reduce iOS AVPlayer start delay
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answered Apr 30 '19 at 19:37
grizzbgrizzb
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Image loaded event in for ng-src in AngularJS
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answered Jul 26 '13 at 14:59
mikachmikach
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difference between each.with_index and each_with_index in Ruby?
...dex do |value, index|
puts "#{index}: #{value}"
end
Outputs:
2: foo
3: bar
4: baz
0: foo
1: bar
2: baz
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How to delete a word and go into insert mode in Vim?
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edited Sep 7 '09 at 4:30
answered Sep 4 '09 at 13:20
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When to use the brace-enclosed initializer?
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A TwoWay or OneWayToSource binding cannot work on the read-only property
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RazzieRazzie
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