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How to copy file from HDFS to the local file system
...achine:50070), browse to the file you intend to copy, scroll down the page and click on download the file.
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Linux command to print directory structure in the form of a tree
Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g.,
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How to filter files when using scp to copy dir recursively?
... probably recommend using something like rsync for this due to its include and exclude flags, e.g:-
rsync -rav -e ssh --include '*/' --include='*.class' --exclude='*' \
server:/usr/some/unknown/number/of/sub/folders/ \
/usr/project/backup/some/unknown/number/of/sub/folders/
Some other useful fla...
Error “The connection to adb is down, and a severe error has occurred.”
I've spent days trying to launch any Android program. Even "Hello World" gives me the same error:
39 Answers
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Print newline in PHP in single quotes
I try to use single quotes as much as possible and I've noticed that I can't use \n in single quotes. I know I can just enter a newline literally by pressing return, but that screws up the indentation of my code.
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Including a groovy script in another groovy
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Another way to do this is to define the functions in a groovy class and parse and add the file to the classpath at runtime:
File sourceFile = new File("path_to_file.groovy");
Class groovyClass = new GroovyClassLoader(getClass().getClassLoader()).parseClass(sourceFile);
GroovyObject myObject ...
How to retrieve absolute path given relative
Is there a command to retrieve the absolute path given the relative path?
21 Answers
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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
My host came with a mongodb instance and there is no /db directory so now I am wondering what I can do to find out where the data is actually being stored.
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res.sendFile absolute path
... res.sendFile('../public/index.html', {root: __dirname}); also works and it's shorter
– Fabien Sa
Aug 22 '15 at 20:24
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ORA-01882: timezone region not found
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You may also try to check the version of the Oracle jdbc driver and Oracle database. Just today I had this issue when using ojdbc6.jar (version 11.2.0.3.0) to connect to an Oracle 9.2.0.4.0 server. Replacing it with ojdbc6.jar version 11.1.0.7.0 solved the issue.
I also managed to make o...