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How does Hadoop process records split across block boundaries?
... SE question : About Hadoop/HDFS file splitting
More details can be read from documentation
The Map-Reduce framework relies on the InputFormat of the job to:
Validate the input-specification of the job.
Split-up the input file(s) into logical InputSplits, each of which is then assigned to an in...
center aligning a fixed position div
...he 50% of the page. But you have to keep in mind that it moves it starting from the left side of the div, therefore the div is not centered yet. translate(-50%, 0) which is basically translateX(-50%) considers the current width of the div and moves it by -50% of its width to the left side from the a...
Python __str__ versus __unicode__
.... After that, then here is a functional example:
#! /usr/bin/env python
from future.utils import python_2_unicode_compatible
from sys import version_info
@python_2_unicode_compatible
class SomeClass():
def __str__(self):
return "Called __str__"
if __name__ == "__main__":
some_i...
Using python's eval() vs. ast.literal_eval()?
...ery powerful, but is also very dangerous if you accept strings to evaluate from untrusted input. Suppose the string being evaluated is "os.system('rm -rf /')" ? It will really start deleting all the files on your computer.
ast.literal_eval:
Safely evaluate an expression node or a string containing a...
How do I ignore the initial load when watching model changes in AngularJS?
...a deep graph in the $scope.fieldcontainer property. After I get a response from my REST API (via $resource), I add a watch to 'fieldcontainer'. I am using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisib...
Reloading module giving NameError: name 'reload' is not defined
...llowing:
try:
reload # Python 2.7
except NameError:
try:
from importlib import reload # Python 3.4+
except ImportError:
from imp import reload # Python 3.0 - 3.3
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What's the difference between SortedList and SortedDictionary?
... for different operations in different situtations. Here's a nice summary (from the SortedDictionary docs):
The SortedDictionary<TKey, TValue> generic
class is a binary search tree with
O(log n) retrieval, where n is the
number of elements in the dictionary.
In this, it is similar ...
Apache: “AuthType not set!” 500 Error
...
In OS X MAMP apache 2.2, change from "Require all granted" to Satisfy Any
– Matilda Yi Pan
May 22 '16 at 23:40
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...
When should Flask.g be used?
I saw that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
...
Find out if string ends with another string in C++
...f substrings, it's very off-by-one prone... I'ld rather iterate backwards from the end of both strings, trying to find a mismatch.
– xtofl
May 18 '09 at 8:15
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