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Math.random() explanation
...etween the borders, gets relevant random value, and then shifts the answer based on the bottom border.
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...hat detect_encoding is a method that could detect the encoding of a string based on language clues.
– Alastair McCormack
Mar 20 '18 at 10:56
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Delete the first three rows of a dataframe in pandas
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df.drop(df.index[[0,2]])
Pandas uses zero based numbering, so 0 is the first row, 1 is the second row and 2 is the third row.
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...14 : "Can you explain further why data.table is inspired by A[B] syntax in base?". But also, nomatch only takes two values currently 0 and NA. That could be extended so that a negative value meant something, or 12 would mean use the 12th row's values to fill in NAs, for example, or nomatch in future...
How do I write outputs to the Log in Android?
...u can read How do I write a good answer, and also Explaining entirely code-based answers
– Anh Pham
Nov 23 '17 at 6:28
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How do I escape a single quote?
...rocess. Each state has a different set of parsing rules that are triggered based on the input. Not every state allows character references. Now if you look at the attribute value (single quoted), you can see that a & denotes the begin of a character reference.
– Gumbo
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What is the best extension for SQLite database files? [closed]
...Pretty much down to personal choice. It may make sense to use an extension based on the database scheme you are storing; treat your database schema as a file format, with SQLite simply being an encoding used for that file format. So, you might use .bookmarks if it's storing bookmarks, or .index if i...
How can we redirect a Java program console output to multiple files?
.../to/console.out")), true));
Edit:
Due to the fact that this solution is based on a PrintStream, we can enable autoFlush, but according to the docs:
autoFlush - A boolean; if true, the output buffer will be flushed
whenever a byte array is written, one of the println methods is
invoked, or...
Python dictionary: are keys() and values() always the same order?
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For what it's worth, some heavy used production code I have written is based on this assumption and I never had a problem with it. I know that doesn't make it true though :-)
If you don't want to take the risk I would use iteritems() if you can.
for key, value in myDictionary.iteritems():
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Numpy matrix to array
...g/doc/numpy-1.14.0/reference/generated/numpy.matrix.A1.html
matrix.A1
1-d base array
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