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What is the difference between partitioning and bucketing a table in Hive ?
...s changes how Hive structures the data storage and Hive will now create subdirectories reflecting the partitioning structure like
.../employees/country=ABC/DEPT=XYZ.
If query limits for employee from country=ABC, it will only scan the contents of one directory country=ABC. This can dramatically i...
Running a command as Administrator using PowerShell?
You know how if you're the administrative user of a system and you can just right click say, a batch script and run it as Administrator without entering the administrator password?
...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
What happens to an open file handle on Linux if the pointed file meanwhile gets:
7 Answers
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How to use gradle zip in local system without downloading when using gradle-wrapper
I'm trying to build a gradle project with gradle-wrapper ( gradlew ).
10 Answers
10
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How to recursively find the latest modified file in a directory?
...
This seems to work fine, even with subdirectories:
find . -type f | xargs ls -ltr | tail -n 1
In case of too many files, refine the find.
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How can I check if a file exists in Perl?
I have a relative path
8 Answers
8
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Using scp to copy a file to Amazon EC2 instance?
I am trying to use my Mac Terminal to scp a file from Downloads (phpMyAdmin I downloaded online) to my Amazon EC2 instance.
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Why is “origin/HEAD” shown when running “git branch -r”?
...rk much better when they are 'bare', that is, when they don't have working directories. Git's architecture is designed for updating by patches or pull (fetch), which makes sense in a distributed VCS. As the docs say somewhere, pushing to a branch which is currently checked out can result in "unexpe...
Is there a way to get a collection of all the Models in your Rails app?
...Class }
EDIT: Finally succeeded in listing all models without looking at directories
Module.constants.select do |constant_name|
constant = eval constant_name
if not constant.nil? and constant.is_a? Class and constant.superclass == ActiveRecord::Base
constant
end
end
If you want to han...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ARIES
find_package(Boo REQUIRED) # BOO_INCLUDE_DIR, BOO_LIBRARIES
include_directories("${FOO_INCLUDE_DIR}")
include_directories("${BOO_INCLUDE_DIR}")
add_executable(Bar Bar.hpp Bar.cpp)
target_link_libraries(Bar ${FOO_LIBRARIES} ${BOO_LIBRARIES})
Note that CMAKE_MODULE_PATH has high priority and ...