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How can I profile C++ code running on Linux?
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19 Answers
19
Active
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How can I profile Python code line-by-line?
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120
I believe that's what Robert Kern's line_profiler is intended for. From the link:
File: pyst...
What Process is using all of my disk IO
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162
You're looking for iotop (assuming you've got kernel >2.6.20 and Python 2.5). Failing that...
How to iterate through two lists in parallel?
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1437
Python 3
for f, b in zip(foo, bar):
print(f, b)
zip stops when the shorter of foo or b...
How do I check to see if a value is an integer in MySQL?
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11 Answers
11
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How to check if a number is a power of 2
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1251
There's a simple trick for this problem:
bool IsPowerOfTwo(ulong x)
{
return (x & (x...
Matplotlib scatter plot with different text at each data point
... while iterating over the values in n.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
ax.scatter(z, y)
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y[i]))
There are a lot of formatting options f...
Error to install Nokogiri on OSX 10.9 Maverick?
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You can also install Nokogiri on Mac OS X 10.9 Mavericks with full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
Update
For t...