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Tricky Google interview question
...# FIFO [value, i, j]
i2 = -1; n2 = n5 = None # indices, nexts
for i in range(1000): # print the first 1000
last = F[-1][:]
print "%3d. %21d = 2^%d * 5^%d" % tuple([i] + last)
if n2 <= last: i2 += 1; n2 = F[i2][:]; n2[0] *= 2; n2[1] += 1
if n5 <= last: i2 -= 1; n5 = F....
Improve subplot size/spacing with many subplots in matplotlib
...pyplot as plt
import matplotlib.ticker as tic
fig = plt.figure()
x = np.arange(100)
y = 3.*np.sin(x*2.*np.pi/100.)
for i in range(5):
temp = 510 + i
ax = plt.subplot(temp)
plt.plot(x,y)
plt.subplots_adjust(hspace = .001)
temp = tic.MaxNLocator(3)
ax.yaxis.set_major_locator...
How to set Sqlite3 to be case insensitive when string comparing?
...tor is case
sensitive for unicode characters that
are beyond the ASCII range. For
example, the expression 'a' LIKE 'A'
is TRUE but 'æ' LIKE 'Æ' is FALSE.)."
share
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improve this answer
...
What's the simplest way to subtract a month from a date in Python?
...-1])
return date.replace(day=d,month=m, year=y)
>>> for m in range(-12, 12):
print(monthdelta(datetime.now(), m))
2009-08-06 16:12:27.823000
2009-09-06 16:12:27.855000
2009-10-06 16:12:27.870000
2009-11-06 16:12:27.870000
2009-12-06 16:12:27.870000
2010-01-06 16:12:27.870000
...
How to catch curl errors in PHP
...AILED',
[31] => 'CURLE_FTP_COULDNT_USE_REST',
[33] => 'CURLE_RANGE_ERROR',
[34] => 'CURLE_HTTP_POST_ERROR',
[35] => 'CURLE_SSL_CONNECT_ERROR',
[36] => 'CURLE_BAD_DOWNLOAD_RESUME',
[37] => 'CURLE_FILE_COULDNT_READ_FILE',
[38] => 'CURLE_LDAP_CANNOT_BIND...
list.clear() vs list = new ArrayList(); [duplicate]
...
I think that the answer is that it depends on a whole range of factors such as:
whether the list size can be predicted beforehand (i.e. can you set the capacity accurately),
whether the list size is variable (i.e. each time it is filled),
how long the lifetime of the list will...
Large, persistent DataFrame in pandas
...ite)
# Iteratively read CSV and dump lines into the SQLite table
for i in range(0, nlines, chunksize):
df = pd.read_csv(in_csv,
header=None, # no header, define column header manually later
nrows=chunksize, # number of rows to read at each iteration
skipr...
How to check if a string in Python is in ASCII?
...ect to use .decode('ascii') to find out whether all bytes are in the ascii range.
– jfs
Sep 4 '15 at 10:36
...
Short circuit Array.forEach like calling break
... really well. My example use case will be to find the index in an array of ranges[a,b] where a number is between a lower boundary and upper boundary pair, test and return true when found. for..of would be the next best solution though only for newer browsers.
– Sojimaxi
...
How can I get the max (or min) value in a vector?
..._element(v.begin(),v.end());
You can get smallest/largest element of any range by using this functions. such as,
vector<int> v {1,2,3,-1,-2,-3};
cout << *min_element(v.begin(), v.begin() + 3); //this will print 1,smallest element of first three elements
cout << *max_element(v....