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Is it a good idea to index datetime field in mysql?
... elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), IN...
Playing .mp3 and .wav in Java?
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120
Java FX has Media and MediaPlayer classes which will play mp3 files.
Example code:
String bip...
codestyle; put javadoc before or after annotation?
... edited Sep 27 '13 at 4:37
n00begon
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answered Jun 24 '10 at 12:37
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Entity framework code-first null foreign key
...l do?
– Shawn Mclean
Apr 14 '11 at 20:11
34
Virtual is necessary for lazy loading.
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Adding a new array element to a JSON object
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answered Sep 19 '13 at 1:20
Paul S.Paul S.
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Pandas: Setting no. of max rows
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Set display.max_rows:
pd.set_option('display.max_rows', 500)
For older versions of pandas (<=0.11.0) you need to change both display.height and display.max_rows.
pd.set_option('display.height', 500)
pd.set_option('display.max_rows', 500)
See also pd.describe_option('display...
Equivalent of “continue” in Ruby
...
Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable ...
List files committed for a revision
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phihagphihag
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How do you discover model attributes in Rails?
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answered Aug 18 '09 at 1:48
pengerpenger
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Python Requests - No connection adapters
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409
You need to include the protocol scheme:
'http://192.168.1.61:8080/api/call'
Without the htt...