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How does Hadoop process records split across block boundaries?
... above. What's important here is that each FileSplit is initialized with a start parameter corresponding to the offset in the input file. There is still no handling of the lines at that point. The relevant part of the code looks like this:
while (((double) bytesRemaining)/splitSize > SPLIT_SLOP)...
Datetime - Get next tuesday
...e this nice and versatile:
public static DateTime GetNextWeekday(DateTime start, DayOfWeek day)
{
// The (... + 7) % 7 ensures we end up with a value in the range [0, 6]
int daysToAdd = ((int) day - (int) start.DayOfWeek + 7) % 7;
return start.AddDays(daysToAdd);
}
So to get the value...
Measuring elapsed time with the Time module
...
start_time = time.time()
# your code
elapsed_time = time.time() - start_time
You can also write simple decorator to simplify measurement of execution time of various functions:
import time
from functools import wraps
PROF...
Minimizing NExpectation for a custom distribution in Mathematica
...finity]}]
Out= 0.0596504
But since you want the expected value between a start and +inf we need to integrate in this range, and since the PDF then no longer integrates to 1 in this smaller interval, I guess we have to normalize the result be dividing by the integral of the PDF in this range. So my...
Explain how finding cycle start node in cycle linked list work?
...eeting place, followed by moving both one step at a time make them meet at starting point of cycle?
21 Answers
...
Start / Stop a Windows Service from a non-Administrator user account
...ST. And I need to give a non-Administrator user, UserA, the permissions to Start/Stop this particular service. My service runs on a variety of Windows OS, starting from Windows Server 2003 to Windows 7.
...
How do I find if a string starts with another string in Ruby?
What the best way to find if a string starts with another in Ruby (without rails)?
4 Answers
...
Run certain code every n seconds [duplicate]
...
import threading
def printit():
threading.Timer(5.0, printit).start()
print "Hello, World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
sh...
Start/Stop and Restart Jenkins service on Windows
...xecute the following commands respectively:
to stop:
jenkins.exe stop
to start:
jenkins.exe start
to restart:
jenkins.exe restart
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Changing the default folder in Emacs
...een trying to figure out how to change the default folder for C-x C-f on start-up. For instance when I first load Emacs and hit C-x C-f its default folder is C:\emacs\emacs-21.3\bin , but I would rather it be the desktop. I believe there is some way to customize the .emacs file to do this, bu...