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The way to check a HDFS directory's size?
I know du -sh in common Linum>x m> filesystems. But how to do that with HDFS?
10 Answers
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Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3
...for the official release (v3 and v4)
I couldn't even find the col-lg-push-m>x m> or pull classes in the original files for RC1 i downloaded, so check your bootstrap.css file. hopefully this is something they will sort out in RC2.
anyways, the col-push-* and pull classes did em>x m>ist and this will suit you...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
..... run from the beginning to the end inclusively. Those created using ... em>x m>clude the end value.
So a..b is like a <= m>x m> <= b, whereas a...b is like a <= m>x m> < b.
Note that, while to_a on a Range of integers gives a collection of integers, a Range is not a set of values, but simply a p...
instanceof Vs getClass( )
...ism.
However, there are cases where these are NOT "design smell". For em>x m>ample, in equals(Object) you need to test the actual type of the argument, and return false if it doesn't match. This is best done using getClass().
Terms like "best practice", "bad practice", "design smell", "antipatter...
What is Objective C++? [closed]
What is Objective C++ and can I use this language in m>X m>code?
3 Answers
3
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Why does Eclipse Java Package Em>x m>plorer show question mark on some classes?
In the Eclipse Helios Java Package Em>x m>plorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an em>x m>planation for this in the documentation.
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Count, size, length…too many choices in Ruby?
...r arrays and hashes size is an alias for length. They are synonyms and do em>x m>actly the same thing.
count is more versatile - it can take an element or predicate and count only those items that match.
> [1,2,3].count{|m>x m>| m>x m> > 2 }
=> 1
In the case where you don't provide a parameter to co...
Read first N lines of a file in python
... large raw data file that we would like to trim to a specified size.
I am em>x m>perienced in .net c#, however would like to do this in python to simplify things and out of interest.
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What is a bank conflict? (Doing Cuda/OpenCL programming)
...ody help me understand it? I have no preference if the help is in the contem>x m>t of CUDA/OpenCL or just bank conflicts in general in computer science.
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Getting key with mam>x m>imum value in dictionary?
...getter for that:
import operator
stats = {'a':1000, 'b':3000, 'c': 100}
mam>x m>(stats.iteritems(), key=operator.itemgetter(1))[0]
And instead of building a new list in memory use stats.iteritems(). The key parameter to the mam>x m>() function is a function that computes a key that is used to determine how...