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Name node is in safe mode. Not able to leave
...e leave
hadoop dfsadmin has been deprecated and so is hadoop fs command, all hdfs related tasks are being moved to a separate command hdfs.
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How do I fix the indentation of an entire file in Vi?
In Vim, what is the command to correct the indentation of all the lines?
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Create a dictionary on a list with grouping
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edited May 23 '17 at 11:54
Community♦
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answered Jun 2 '09 at 6:11
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Use jQuery to get the file input's selected filename without the path
...plit('\\').pop(); on Win 7, Ubuntu 11.04 and Mac OS X and it works fine on all of them.
– Alex
Mar 8 '12 at 14:57
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How to read the database table name of a Model instance?
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answered Oct 24 '08 at 11:38
BerBer
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AngularJs $http.post() does not send data
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edited Jul 15 '15 at 11:32
answered Nov 29 '13 at 0:45
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Making the Android emulator run faster
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Official web page
~50% faster
Windows:
Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras
Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3
Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_E...
Reading header data in Ruby on Rails
..."Cookie"]
New way:
request.headers["HTTP_COOKIE"]
To get a Hash with all headers of the request.
request.headers
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SQL- Ignore case while searching for a string
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Aditya KakirdeAditya Kakirde
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What is 'Pattern Matching' in functional languages?
...wesome.
Algebraic data types in a nutshell
ML-like functional languages allow you define simple data types called "disjoint unions" or "algebraic data types". These data structures are simple containers, and can be recursively defined. For example:
type 'a list =
| Nil
| Cons of 'a * 'a ...