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Safely casting long to int in Java
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I'd always do the range check as (!(Integer.MIN_VALUE <= l && l <= Integer.MAX_VALUE)). I find it difficult to get my head around other ways of doing it. Pity Java does not have unless.
– Tom Hawtin - tackli...
Converting integer to string in Python
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To manage non-integer inputs:
number = raw_input()
try:
value = int(number)
except ValueError:
value = 0
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Single Line Nested For Loops
... loop per se, but a list comprehension.
Would be equivalent to
for j in range(0, width):
for i in range(0, height):
m[i][j]
Much the same way, it generally nests like for loops, right to left. But list comprehension syntax is more complex.
I'm not sure what this question is asking
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
...links).
So the the following script will produce an empty list:
for i in range(5):
fig = plot_figure()
plt.close(fig)
# This returns a list with all figure numbers available
print(plt.get_fignums())
Whereas this one will produce a list with five figures on it.
for i in range(5):
fig...
Iterate keys in a C++ map
...boost::adaptors::map_keys){ do something } boost.org/doc/libs/1_50_0/libs/range/doc/html/range/reference/…
– rodrigob
Aug 29 '12 at 10:48
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What does enctype='multipart/form-data' mean?
...ill take care of the differences for you. Don't bother trying to parse the raw input received by the server.
Sometimes you will find a library that can't handle both formats. Node.js's most popular library for handling form data is body-parser which cannot handle multipart requests (but has docume...
Optional Parameters in Go?
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range is the same case as make, in that sense
– thiagowfx
Jul 30 '14 at 2:45
14
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
... that are rarely seen at phone size or larger, all the other devices fit a range from 1.3333 to 1.7778, which conveniently matches the current iPhone/iPad ratios (considering all devices in portrait mode). Note that there are quite a few variations within that range, so if you are creating a small n...
Numpy - add row to array
...5,6])
n_loops = 100
start_clock = perf_counter()
for count in range(0, n_loops):
numpy_array = np.vstack([numpy_array, numpy_row]) # 5.8 micros
duration = perf_counter() - start_clock
print('numpy 1.14 takes {:.3f} micros per row'.format(duration * 1e6 / n_loops))
st...
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...o be absolutely sure of 8d.p. precision you should use DECIMAL.
Latitudes range from -90 to +90 (degrees), so DECIMAL(10, 8) is ok for that, but longitudes range from -180 to +180 (degrees) so you need DECIMAL(11, 8). The first number is the total number of digits stored, and the second is the numb...