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Top Questions
99
votes
Where did I branch from?
git
branch
git-branch
asked Mar 27, 2012 at 21:37
stackoverflow.com
95
votes
CURRENT_TIMESTAMP in milliseconds
mysql
sql
postgresql
datetime
timestamp
asked Mar 8, 2012 at 20:19
stackoverflow.com
94
votes
Configure DataSource programmatically in Spring Boot
java
spring
spring-boot
datasource
asked Mar 2, 2015 at 23:42
stackoverflow.com
79
votes
Repeat and concatenate a string N times
string
r
repeat
asked Mar 12, 2014 at 17:19
stackoverflow.com
73
votes
Is it possible to flatten MongoDB result query?
mongodb
mongodb-query
flatten
asked Nov 8, 2012 at 2:56
stackoverflow.com
39
votes
Why does Spark fail with "Detected cartesian product for INNER join between logical plans"?
scala
apache-spark
apache-spark-sql
asked Jun 26, 2017 at 14:44
stackoverflow.com
28
votes
What happens if SparkSession is not closed?
scala
apache-spark
apache-spark-sql
asked May 18, 2017 at 21:33
stackoverflow.com
25
votes
Deep Blue vs Kasparov - Aftermath
engines
history
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kasparov
human-versus-machine
asked May 21, 2012 at 19:04
chess.stackexchange.com
21
votes
Does collect_list() maintain relative ordering of rows?
scala
apache-spark
apache-spark-sql
asked Jun 9, 2017 at 1:41
stackoverflow.com
17
votes
Why do some companies offer 401k retirement plans?
united-states
401k
ira
roth-ira
benefits
asked Sep 20, 2011 at 3:56
money.stackexchange.com
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800
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102
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76
maximum subarray whose sum equals 0
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37
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34
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32
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31
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16
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14
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14
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13
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12
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11
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10
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9
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9
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chess.stackexchange.com
8
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8
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7
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7
Spark, Scala, DataFrame: create feature vectors
stackoverflow.com
7
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money.stackexchange.com
6
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6
remove elements in one list present in another list
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6
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6
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6
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