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Apache Spark: map vs mapPartitions?
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122
What's the difference between an RDD's map and mapPartitions method?
The method map conver...
python exception message capturing
...successfully uploaded to '+ FTPADDR)
except Exception, e: # work on python 2.x
logger.error('Failed to upload to ftp: '+ str(e))
in Python 3.x and modern versions of Python 2.x use except Exception as e instead of except Exception, e:
try:
with open(filepath,'rb') as f:
con.storbi...
How many files can I put in a directory?
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21 Answers
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How to iterate through two lists in parallel?
... Python 3, zip
returns an iterator of tuples, like itertools.izip in Python2. To get a list
of tuples, use list(zip(foo, bar)). And to zip until both iterators are
exhausted, you would use
itertools.zip_longest.
Python 2
In Python 2, zip
returns a list of tuples. This is fine when foo and bar are...
How to Compare Flags in C#?
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322
In .NET 4 there is a new method Enum.HasFlag. This allows you to write:
if ( testItem.HasFlag(...
Get a filtered list of files in a directory
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import glob
jpgFilenamesList = glob.glob('145592*.jpg')
See glob in python documenttion
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Empty arrays seem to equal true and false at the same time
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276
You're testing different things here.
if (arr) called on object (Array is instance of Object...
What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
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edited Jan 27 '19 at 0:16
answered Sep 29 '12 at 2:22
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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172
Try this:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
retur...
Timeout a command in bash without unnecessary delay
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23 Answers
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