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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...hen you are dealing with different file systems such as Local FS, (S)FTP, S3, and others
hadoop dfs <args>
dfs is very specific to HDFS. would work for operation relates to HDFS. This has been deprecated and we should use hdfs dfs instead.
hdfs dfs <args>
same as 2nd i.e wo...
How do I change the Javadocs template generated in Eclipse?
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Apr 10 '10 at 8:01
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git diff between two different files
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139
Specify the paths explicitly:
git diff HEAD:full/path/to/foo full/path/to/bar
Check out the --f...
Generating Guids in Ruby
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315
As of Ruby 1.9, uuid generation is built-in. Use the SecureRandom.uuid function.
For example...
How to select only the records with the highest date in LINQ
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231
If you just want the last date for each account, you'd use this:
var q = from n in table
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Is there a way to make a link clickable in the OSX Terminal?
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3 Answers
3
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Split string in Lua?
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Adrian Mole
20.7k1313 gold badges2727 silver badges4343 bronze badges
answered Sep 30 '11 at 19:26
user973713user973713...
How random is JavaScript's Math.random?
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183
Given numbers between 1 and 100.
9 have 1 digit (1-9)
90 have 2 digits (10-99)
1 has 3 digits...
How do I hide the status bar in a Swift iOS app?
...should implement prefersStatusBarHidden on your view controller(s):
Swift 3 and later
override var prefersStatusBarHidden: Bool {
return true
}
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Is there a more elegant way of adding an item to a Dictionary safely?
...tween casting and using as for reference conversions.)
If you're using C# 3 and you have a distinct set of keys, you can make this even neater:
var currentViews = new Dictionary<string, object>()
{
{ "Customers", "view2" },
{ "Employees", "view1" },
{ "Reports", "view1" },
};
T...