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Sort NSArray of date strings or objects
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answered Jul 15 '09 at 21:12
Quinn TaylorQuinn Taylor
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Rails 3: Get Random Record
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I am working on a project (Rails 3.0.15, ruby 1.9.3-p125-perf) where the db is in localhost and users table has a bit more than 100K records.
Using
order by RAND()
is quite slow
User.order("RAND(id)").first
becomes
SELECT users.* FROM users ORD...
Do NSUserDefaults persist through an Update to an app in the Appstore?
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answered Nov 15 '09 at 18:12
leonleon
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Adding header for HttpURLConnection
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15
A little addition for android developers (on API >= 8 a.k.a 2.2): android.util.Base64.encode(userCredentials.getBytes(), Base64.DEFAULT)...
Convert java.time.LocalDate into java.util.Date type
...g it somehow.
– russellhoff
Sep 18 '15 at 9:12
2
Is it possible to avoid atStartOfDay(), since it...
Remove folder and its contents from git/GitHub's history
...es I think.
– Davide Icardi
Jul 21 '15 at 9:39
4
With a non-ancient git, this should probably rea...
Why does base64 encoding require padding if the input length is not divisible by 3?
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edited Aug 28 '15 at 11:19
answered Oct 29 '14 at 13:55
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How to copy a file to multiple directories using the gnu cp command
... your answer too?
– Peaceful
Jul 2 '15 at 10:32
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How does the vim “write with sudo” trick work?
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edited Oct 7 '19 at 15:09
answered Aug 16 '11 at 12:49
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Handling specific errors in JavaScript (think exceptions)
...13
Epeli
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answered Sep 16 '09 at 15:09
Christian C. S...