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Powershell equivalent of bash ampersand (&) for forking/running background processes
...difference.
– peterh
Nov 8 '13 at 9:32
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Highlight the difference between two strings in PHP
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answered Nov 26 '08 at 16:32
M.NM.N
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How to clone a case class instance and change just one field in Scala?
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324
case classcomes with a copy method that is dedicated exactly to this usage:
val newPersona = ...
Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :...
How do you find the row count for all your tables in Postgres
...vy activity, but is generally a good estimate:
SELECT schemaname,relname,n_live_tup
FROM pg_stat_user_tables
ORDER BY n_live_tup DESC;
That can also show you how many rows are dead, which is itself an interesting number to monitor.
The third way is to note that the system ANALYZE command, ...
Elegant way to combine multiple collections of elements?
Say I have an arbitrary number of collections, each containing objects of the same type (for example, List<int> foo and List<int> bar ). If these collections were themselves in a collection (e.g., of type List<List<int>> , I could use SelectMany to combine them all into...
How do I get a string format of the current date time, in python?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How do I compile a Visual Studio project from the command-line?
... edited Jul 13 '12 at 8:34
ks1322
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answered Jan 31 '09 at 3:04
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How to take emulator screenshots using Eclipse?
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Sunishtha SinghSunishtha Singh
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How to do URL decoding in Java?
...esperJesper
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