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How does the Java 'for each' loop work?
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– Christopher Schultz
Oct 18 '19 at 20:21
@ChristopherSchultz you could do it with lambdas for(String s : (Iterable<...
Delete all documents from index/type without deleting type
...omething like this (using your example):
curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{
"query" : {
"match_all" : {}
}
}'
Or you could just delete the type:
curl -XDELETE http://localhost:9200/twitter/tweet
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The performance impact of using instanceof in Java
...er than doing an instanceof, but the difference my quick test found was 10-20ms over 10,000,000 iterations. If "object" isn't an ObjT, though, catching the exception was over 3000x slower - over 31,000ms vs ~10ms for the instanceof.
– Steve
Feb 18 '12 at 0:27
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How to make MySQL handle UTF-8 properly
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answered Apr 28 '15 at 20:51
T.W.R. ColeT.W.R. Cole
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Deleting Files using Git/GitHub
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answered Feb 20 '10 at 0:43
Samuel Mikel BowlesSamuel Mikel Bowles
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How to display all methods of an object?
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edited Apr 15 '15 at 10:20
answered Feb 13 '10 at 16:20
A...
Gradle: How to Display Test Results in the Console in Real Time?
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– Mr-IDE
Oct 20 '18 at 18:45
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show 1 more comment
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Why hasn't functional programming taken over yet?
...Lippert
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41
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How do I get the calling method name and type using reflection? [duplicate]
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BFreeBFree
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What programming practice that you once liked have you since changed your mind about? [closed]
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20
Comments should be used to describe why the code does what it does (if it's not obvious), not what the code does. A possible exception is a...