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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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edited Apr 8 '12 at 16:00
answered Apr 8 '12 at 3:05
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What is the significance of initializing direction arrays below with given values when developing ch
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This is a technique to encode all directions as arrays - every pair of di[i],dj[i] is a differe...
Global access to Rake DSL methods is deprecated
...refers to a @DHH tweet.
Put the following in your Gemfile
gem "rake", "0.8.7"
You may see something like
rake aborted!
You have already activated Rake 0.9.1 ...
I still had a copy of Rake 0.9.1 in my directory so I deleted it.
You can "delete" Rake 0.9.1 by running the following command:
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Can I have H2 autocreate a schema in an in-memory database?
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edited Jul 9 '13 at 8:02
answered Mar 8 '11 at 5:05
T...
What is the `zero` value for time.Time in Go?
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"Passing no arguments" makes it sound like a function call. It's a struct literal with no fields specified. X{} is the zero value of the str...
Why are flag enums usually defined with hexadecimal values
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186
Rationales may differ, but an advantage I see is that hexadecimal reminds you: "Okay, we're not...
Convert a bitmap into a byte array
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edited Sep 28 '16 at 16:52
piedar
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answered Sep 8...
“Insert if not exists” statement in SQLite
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edited Apr 13 '18 at 6:12
answered Oct 12 '13 at 17:38
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MySQL Update Inner Join tables query
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438
Try this:
UPDATE business AS b
INNER JOIN business_geocode AS g ON b.business_id = g.business_i...
How to use relative/absolute paths in css URLs?
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edited Dec 15 '19 at 13:18
answered Apr 28 '11 at 8:01
Kob...