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How to initialize a two-dimensional array in Python?
... \
for i in range (0, 10): \
new = [] \ can be replaced } this too
for j in range (0, 10): } with a list /
new.append(foo) / comprehension /
twod...
Too many 'if' statements?
...
600
If you cannot come up with a formula, you can use a table for such a limited number of outcomes...
SQL query return data from multiple tables
...l auto_increment primary key,
-> color varchar(15), paint varchar(10));
Query OK, 0 rows affected (0.01 sec)
mysql> show columns from colors;
+-------+-------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------+---------...
Finding all possible combinations of numbers to reach a given sum
...
250
This problem can be solved with a recursive combinations of all possible sums filtering out thos...
How to format a float in javascript?
... string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
14 Answers
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Is it correct to use JavaScript Array.sort() method for shuffling?
...
110
It's never been my favourite way of shuffling, partly because it is implementation-specific as y...
How can I remove the decimal part from JavaScript number?
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403
You could use...
Math.trunc() (truncate fractional part, also see below)
Math.floor() (round ...
Catching error codes in a shell pipe
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20
If you really don't want the second command to proceed until the first is known to be successful...
How to set a single, main title above all the subplots with Pyplot?
...plotlib.pyplot as plt
import numpy as np
fig=plt.figure()
data=np.arange(900).reshape((30,30))
for i in range(1,5):
ax=fig.add_subplot(2,2,i)
ax.imshow(data)
fig.suptitle('Main title') # or plt.suptitle('Main title')
plt.show()
...
How to scale down a range of numbers with a known min and max value
...l. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
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