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Download large file in python with requests
...f'http://{url}'
logger.debug(f'New url: {url}')
for attempt in range(1, attempts+1):
try:
if attempt > 1:
time.sleep(10) # 10 seconds wait time between downloads
with requests.get(url, stream=True) as response:
response....
What are the best PHP input sanitizing functions?
...ugh strtotime or the DateTime class. The given date should be between the ranges you expect. What about email addresses? The previously mentioned filter extension can check that an address is well-formed, though I'm a fan of the is_email library.
The same is true for all other form controls. Hav...
What should every developer know about databases? [closed]
...'s no reason to make every column nullable, or to allow values outside the range 1-12 to be inserted into a Month column. Complex business rules are, of course, another story.
– Aaronaught
Dec 30 '09 at 21:29
...
Changing the “tick frequency” on x or y axis in matplotlib?
...plicitly set where you want to tick marks with plt.xticks:
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
For example,
import numpy as np
import matplotlib.pyplot as plt
x = [0,5,9,10,15]
y = [0,1,2,3,4]
plt.plot(x,y)
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
plt.show()
(np.arange was us...
How can I make the computer beep in C#?
...nzCK That's... not 100% true? I have Win7 64 and I am able to hear a full range of Beep()'s frequencies through external speakers. However, +1 for the internal part, I never realized that.
– B.K.
Mar 7 '14 at 20:59
...
how to get first three characters of an NSString?
...
note: "Range or index out of bounds" error possible if you don't check the length to make sure it has 3 or more characters long
– Ryan Bavetta
Mar 29 '12 at 4:01
...
MPICH vs OpenMPI
...MPICH and Open-MPI are open-source software that can be compiled on a wide range of platforms, the portability of MPI libraries in binary form, or programs linked against them, is often important.
MPICH and many of its derivatives support ABI compatibility (website), which means that the binary int...
Appending to an empty DataFrame in Pandas?
...:
>>> df = pd.DataFrame()
>>> data = pd.DataFrame({"A": range(3)})
>>> df.append(data)
A
0 0
1 1
2 2
But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df =...
n-grams in python, four, five, six grams?
...ome.".split()
In [35]: N = 4
In [36]: grams = [sentence[i:i+N] for i in xrange(len(sentence)-N+1)]
In [37]: for gram in grams: print gram
['I', 'really', 'like', 'python,']
['really', 'like', 'python,', "it's"]
['like', 'python,', "it's", 'pretty']
['python,', "it's", 'pretty', 'awesome.']
...
What are the key differences between Scala and Groovy? [closed]
...hmarks game ranks Scala as being between substantially faster than Groovy (ranging from twice to 93 times as fast) while retaining roughly the same source size. benchmarks.
I'm sure there are many, many differences that I haven't covered. But hopefully this gives you a gist.
Is there a competit...