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Update value of a nested dictionary of varying depth
I'm looking for a way to update dict dictionary1 with the contents of dict update wihout overwriting levelA
24 Answers
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How to select multiple rows filled with constants?
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15 Answers
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How to determine whether a Pandas Column contains a particular value
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in of a Series checks whether the value is in the index:
In [11]: s = pd.Series(list('abc'))
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Mysql order by specific ID values
...y "order by" using predefined set of column values (ID) like: order by (ID=1,5,4,3) so I would get record 1, 5, 4, 3 in that order out?
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Pandas conditional creation of a series/dataframe column
...', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blu...
git log of a single revision
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edited Feb 14 '19 at 11:04
Fantastic Mr Fox
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What is the best Battleship AI?
... games per match. Doing 50 games is just flipping a coin. I needed to do 1000 games to get any reasonable distinction between test algorithms.
Download Dreadnought 1.2.
Strategies:
keep track of all possible positions for ships that have >0 hits. The list never gets bigger than ~30K so it ...
How do I get the YouTube video ID from a URL?
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Convert a byte array to integer in Java and vice versa
... the ByteBuffer. It can do all the work for you.
byte[] arr = { 0x00, 0x01 };
ByteBuffer wrapped = ByteBuffer.wrap(arr); // big-endian by default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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Java variable number or arguments for a method
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edited Oct 20 '17 at 1:43
ErikE
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