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Is there a command like “watch” or “inotifywait” on the Mac?
...a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
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What is the difference between partitioning and bucketing a table in Hive ?
...Other drawback is having too many partitions is the large number of Hadoop files and directories that are created unnecessarily and overhead to NameNode since it must keep all metadata for the file system in memory.
Bucketing is another technique for decomposing data sets into more manageable parts....
Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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Better way of incrementing build number?
...of my Xcode build process to increment the build number within the plist file, however it's making Xcode 4.2.1 crash frequently (with an error about the target not belonging to a project; I'm guessing the changing of the plist file is confusing Xcode in some way).
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Break a previous commit into multiple commits
... Thank you for this answer. I wanted to have some previously committed files in the staging area, so the instructions for me were a little different. Before I could git rebase --continue, I actually had to git add (files to be added), git commit, then git stash (for the remaining files). After...
Parse a .py file, read the AST, modify it, then write back the modified source code
...programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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How do I serialize an object and save it to a file in Android?
...instantiated as an object I want to be able to serialize its contents to a file, and retrieve it by loading that file at some later time... I'm not sure where to start here, what do I need to do to serialize this object to a file?
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static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
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Check whether a path is valid in Python without creating a file at the path's target
I have a path (including directory and file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
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Determine a string's encoding in C#
... if no Unicode encoding was found.
Detects (with high probability) unicode files with the BOM/signature missing
Searches for charset=xyz and encoding=xyz inside file to help determine encoding.
To save processing, you can 'taste' the file (definable number of bytes).
The encoding and decoded text fi...