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Convert InputStream to byte array in Java
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119
If you happen to use google guava, it'll be as simple as :
byte[] bytes = ByteStreams.toByteA...
Drop rows with all zeros in pandas data frame
... != 0]
1000 loops, best of 3: 217 µs per loop
On a larger dataset:
In [119]: bdf = pd.DataFrame(np.random.randint(0,2,size=(10000,4)))
In [120]: %timeit bdf[(bdf.T != 0).any()]
1000 loops, best of 3: 1.63 ms per loop
In [121]: %timeit bdf[(bdf.sum(axis=1) != 0)]
1000 loops, best of 3: 1.09 ms ...
What is the difference between __dirname and ./ in node.js?
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Unignore subdirectories of ignored directories in Git
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Collection versus List what should you use on your interfaces?
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Greg BeechGreg Beech
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how to mysqldump remote db from local machine
...ssl_key=/usr/local/mysql/data/server-key.pem
Increase Password Security
https://dev.mysql.com/doc/refman/8.0/en/password-security-user.html
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SQL : BETWEEN vs =
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Tony AndrewsTony Andrews
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How to clear the canvas for redrawing
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119
Others have already done an excellent job answering the question but if a simple clear() metho...
what is faster: in_array or isset? [closed]
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119
The answers so far are spot-on. Using isset in this case is faster because
It uses an O(1) h...
Converting bool to text in C++
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119
How about using the C++ language itself?
bool t = true;
bool f = false;
std::cout << st...