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What is the difference between partitioning and bucketing a table in Hive ?

...m in memory. Bucketing is another technique for decomposing data sets into more manageable parts. For example, suppose a table using date as the top-level partition and employee_id as the second-level partition leads to too many small partitions. Instead, if we bucket the employee table and use empl...
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Activity has leaked window that was originally added

...loper, therefore Adding few important points from comments, which might be more helpful for future investigator without going in depth of comment conversation. Answer 1 : You're trying to show a Dialog after you've exited an Activity. Answer 2 This error can be a little misleading in s...
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Pretty-Printing JSON with PHP

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RegEx to extract all matches from string using RegExp.exec

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Difference between Java SE/EE/ME?

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How to find NSDocumentDirectory in Swift?

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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

... it's naked or in double quoted strings: use single quotes. MYSQL='mysql AMORE -u username -ppassword -h localhost -e' QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double" eval $MYSQL "'$QUERY'" Bonus: It also reads nice: eval mysql query ;-) ...
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Combating AngularJS executing controller twice

I understand AngularJS runs through some code twice, sometimes even more, like $watch events, constantly checking model states etc. ...
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Placeholder in UITextView

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What is a servicebus and when do I need one?

... It comes with a lot of complexity. A rule of thumb could by if it solves more problems than it causes. To be serious if you have a heterogeneous environment and want align (different) applications (using different technology) with business processes. Then it could be helpful to use BPEL (but this...