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How to copy file from HDFS to the local file system
How to copy file from HDFS to the local file system . There is no physical location of a file under the file , not even directory . how can i moved them to my local for further validations.i am tried through winscp .
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Why does Vim save files with a ~ extension?
...diting.
I wish Vim had that line included by default. Nobody likes ugly directories.
Let the user choose if and how she wants to enable advanced backup/undo file features first.
This is the most annoying part of Vim.
The next step might be setting up:
set noeb vb t_vb= " errorbells visualbell...
Create an empty data.frame
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81
You can do it without specifying column types
df = data.frame(matrix(vector(), 0, 3,
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Oracle TNS names not showing when adding new connection to SQL Developer
I'm trying to connect to an oracle database with SQL Developer.
7 Answers
7
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How to generate a random string in Ruby
...random_string = SecureRandom.hex
# outputs: 5b5cd0da3121fc53b4bc84d0c8af2e81 (i.e. 32 chars of 0..9, a..f)
SecureRandom also has methods for:
base64
random_bytes
random_number
see: http://ruby-doc.org/stdlib-1.9.2/libdoc/securerandom/rdoc/SecureRandom.html
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WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
I'm working to set up Panda on an Amazon EC2 instance.
I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance.
Getting Started with Panda
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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
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ericbowdenericbowden
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Using ls to list directories and their total sizes
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To include hidden files/directories; du -sh $(ls -A) | sort -h
– jmd_dk
May 24 at 11:06
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How do I remove a folder from source control with TortoiseSVN?
...rtoise. You can also do an "Export" for step 1 which will remove any .svn directories for you (if you're doing this for a whole directory tree rather than a single directory, this is a lot more convenient than cleaning the folders out by hand).
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
When creating a new Java project in IntelliJ IDEA, the following directories and files are created:
9 Answers
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