大约有 43,100 项符合查询结果（耗时：0.0582秒） [XML]
What is the difference between an int and a long in C++?
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It is implementation dependent.
For example, under Windows they are the same, but for examp...
How do I get PHP errors to display?
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This always works for me:
ini_set('display_errors', '1');
ini_set('display_startup_errors', '1');
error_reporting(E_ALL);
However, this doesn't make PHP to show parse errors - the only way to show those errors is to modify your php.ini with this line:
display_errors = on
(...
Generating all permutations of a given string
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What is the difference between linear regression and logistic regression?
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Alternate FizzBuzz Questions [closed]
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14 Answers
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Auto Scale TextView Text to Fit within Bounds
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How to declare variable and use it in the same Oracle SQL script?
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Matplotlib different size subplots
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import matplotlib.pyplot as plt
# generate some data
x = np.arange(0, 10, 0.2)
y = np.sin(x)
# plot it
f, (a0, a1) = plt.subplots(1, 2, gridspec_kw={'width_ratios': [3, 1]})
a0.plot(x, y)
a1.plot(y, x)
f.tight_layout()
f.savefig('grid_figure.pdf')
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RuntimeWarning: invalid value encountered in divide
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157
I think your code is trying to "divide by zero" or "divide by NaN". If you are aware of that a...
switch() statement usage
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Well, timing to the rescue again. It seems switch is generally faster than if statements.
So t...