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What is :: (double colon) in Python when subscripting sequences?
...e of 3. Since 3*0=0, it returns also the item on position 0. For instance: range(10)[::3] outputs [0, 3, 6, 9]
– Ricky Robinson
Sep 19 '14 at 8:56
1
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What exception classes are in the standard C++ library
...es
std::domain_error <stdexcept> parameter outside the valid range
std::future_error <future> violated a std::promise/std::future condition
std::invalid_argument <stdexcept> invalid argument
std::length_error <stdexcept> length exceeds its maxi...
Python, Matplotlib, subplot: How to set the axis range?
How can I set the y axis range of the second subplot to e.g. [0,1000] ?
The FFT plot of my data (a column in a text file) results in a (inf.?) spike so that the actual data is not visible.
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Is there a numpy builtin to reject outliers from a list
...ing pandas.Series, and replacing MAD with IQR:
def reject_outliers(sr, iq_range=0.5):
pcnt = (1 - iq_range) / 2
qlow, median, qhigh = sr.dropna().quantile([pcnt, 0.50, 1-pcnt])
iqr = qhigh - qlow
return sr[ (sr - median).abs() <= iqr]
For instance, if you set iq_range=0.6, the ...
Python: List vs Dict for look up table
... sets, running python 2.7.3 on an i7 CPU on linux:
python -mtimeit -s 'd=range(10**7)' '5*10**6 in d'
10 loops, best of 3: 64.2 msec per loop
python -mtimeit -s 'd=dict.fromkeys(range(10**7))' '5*10**6 in d'
10000000 loops, best of 3: 0.0759 usec per loop
python -mtimeit -s 'from sets import Set...
How to set the value to a cell in Google Sheets using Apps Script?
...what is required
function doTest() {
SpreadsheetApp.getActiveSheet().getRange('F2').setValue('Hello');
}
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How to iterate through range of Dates in Java?
In my script I need to perform a set of actions through range of dates, given a start and end date.
Please provide me guidance to achieve this using Java.
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What is the difference between “int” and “uint” / “long” and “ulong”?
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@JacoPretorius Thats wrong. 8 bit int has a range from –128 to 127. The 9th bit represents 256. So with 8 bits you can represent all values up to 255 (9th val - 1). The range from -128 to 127 has a length of exactly 255. So there is no bit that holds the sign. All va...
Python Progress Bar
...("\b" * (toolbar_width+1)) # return to start of line, after '['
for i in xrange(toolbar_width):
time.sleep(0.1) # do real work here
# update the bar
sys.stdout.write("-")
sys.stdout.flush()
sys.stdout.write("]\n") # this ends the progress bar
Note: progressbar2 is a fork of progr...
How to get item's position in a list?
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for i in xrange(len(testlist)):
if testlist[i] == 1:
print i
xrange instead of range as requested (see comments).
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