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How do I create a class instance from a string name in ruby?
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223
In rails you can just do:
clazz = 'ExampleClass'.constantize
In pure ruby:
clazz = Object....
Redirecting stdout to “nothing” in python
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237
Cross-platform:
import os
import sys
f = open(os.devnull, 'w')
sys.stdout = f
On Windows:
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Which @NotNull Java annotation should I use?
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22 Answers
22
Active
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Difference between Service, Async Task & Thread?
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Sreekanth Karumanaghat
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answered Jul 16 '10 at 11:44
Pentium10Pentium10
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How do I clear/delete the current line in terminal?
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answered Mar 13 '12 at 7:23
kevkev
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How to create materialized views in SQL Server?
...ckground:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of constraints and limitati...
MySQL/SQL: Group by date only on a Datetime column
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294
Cast the datetime to a date, then GROUP BY using this syntax:
SELECT SUM(foo), DATE(mydate) F...
Finding current executable's path without /proc/self/exe
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edited Sep 19 at 22:36
answered Jun 21 '09 at 22:56
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How can I convert an Integer to localized month name in Java?
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213
import java.text.DateFormatSymbols;
public String getMonth(int month) {
return new DateFor...