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Rotating a two-dimensional array in Python
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Consider the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends...
Maven project version inheritance - do I have to specify the parent version?
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edited Feb 12 '19 at 10:26
answered May 14 '12 at 11:20
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How to convert list of key-value tuples into dictionary?
...p and zip it. ValueError: dictionary update sequence element #0 has length 1916; 2 is required
THAT is your actual question.
The answer is that the elements of your list are not what you think they are. If you type myList[0] you will find that the first element of your list is not a two-tuple, e....
onTouchListener warning: onTouch should call View#performClick when a click is detected
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133
Here you go:
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction(...
Cartesian product of x and y array points into single array of 2D points
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13 Answers
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Comparing strings with == which are declared final in Java
...g" will give you true, because string literals are interned.
From JLS §4.12.4 - final Variables:
A variable of primitive type or type String, that is final and initialized with a compile-time constant expression (§15.28), is called a constant variable.
Also from JLS §15.28 - Constant Expre...
How to increment a pointer address and pointer's value?
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171
First, the ++ operator takes precedence over the * operator, and the () operators take precede...
How to select only the first rows for each unique value of a column
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126
A very simple answer if you say you don't care which address is used.
SELECT
CName, MIN(A...