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Python append() vs. + operator on lists, why do these give different results?
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To explain "why":
The + operation adds the array elements to the original array. The array.append operation inserts the array (or any object) into the end of the original array, which results in a reference to self in that spot (...
How do I execute a string containing Python code in Python?
How do I execute a string containing Python code in Python?
14 Answers
14
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How to draw a line in android
Can anybody tell how to draw a line in Android, perhaps with an example?
15 Answers
1...
`levels
... it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <- `levels<-`(x, y)
The trick is, this rewriting is done by <-; it is not done by levels<-. levels<- is just a regular function that takes an input and gives an output; it doe...
Can you create nested WITH clauses for Common Table Expressions?
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While not strictly nested, you can use common table expressions to reuse previous queries in subsequent ones.
To do this, the form of the statement you are looking for would be
WITH x AS
(
SELECT * FROM MyTable
),
y AS
(
SELECT * FROM x
)
SELECT * FROM y
...
Removing duplicate objects with Underscore for Javascript
...orejs.org demonstrates no callback usage
lodash.com shows usage
Another example :
using the callback to extract car makes, colors from a list
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Reset keys of array elements in php?
... to the simple array_values approach:
The Array:
$array['a'][0] = array('x' => 1, 'y' => 2, 'z' => 3);
$array['a'][5] = array('x' => 4, 'y' => 5, 'z' => 6);
$array['b'][1] = array('x' => 7, 'y' => 8, 'z' => 9);
$array['b'][7] = array('x' => 10, 'y' => 11, 'z' =>...
Auto line-wrapping in SVG text
I would like to display a <text> in SVG what would auto-line-wrap to the container <rect> the same way as HTML text fills <div> elements. Is there a way to do it? I don't want to position lines sparately by using <tspan> s.
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How to override equals method in Java
...d is compared with an object of the super-class.
– Tuxdude
Aug 22 '15 at 23:42
1
may be bcoz 53 i...
What's the best way to make a d3.js visualisation layout responsive?
...t doesn't require redrawing the graph, and it involves modifying the viewBox and preserveAspectRatio attributes on the <svg> element:
<svg id="chart" width="960" height="500"
viewBox="0 0 960 500"
preserveAspectRatio="xMidYMid meet">
</svg>
Update 11/24/15: most modern brow...