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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
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edited Oct 3 '18 at 4:25
answered Mar 7 '15 at 15:49
And...
How to deep copy a list?
... objects.
See the following snippet -
>>> a = [[1, 2, 3], [4, 5, 6]]
>>> b = list(a)
>>> a
[[1, 2, 3], [4, 5, 6]]
>>> b
[[1, 2, 3], [4, 5, 6]]
>>> a[0][1] = 10
>>> a
[[1, 10, 3], [4, 5, 6]]
>>> b # b changes too -> Not a deepcop...
GUI not working after rewriting to MVC
...l;
import javax.swing.JPanel;
/**
* @see https://stackoverflow.com/q/3066590/230513
* 15-Mar-2011 r8 https://stackoverflow.com/questions/5274962
* 26-Mar-2013 r17 per comment
*/
public class MVCGame implements Runnable {
public static void main(String[] args) {
EventQueue.invokeLat...
SQLAlchemy: What's the difference between flush() and commit()?
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5 Answers
5
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Is the order of iterating through std::map known (and guaranteed by the standard)?
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Alexis Wilke
14.2k77 gold badges5151 silver badges9898 bronze badges
answered Oct 4 '11 at 13:39
Kerrek SBKerrek SB
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Creating a simple XML file using python
...ntTree API,
which has been included in the standard library since Python 2.5.
The available options for that are:
ElementTree (Basic, pure-Python implementation of ElementTree. Part of the standard library since 2.5)
cElementTree (Optimized C implementation of ElementTree. Also offered in the st...
Given an RGB value, how do I create a tint (or shade)?
Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
3...
Differences between numpy.random and random.random in Python
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answered Aug 11 '11 at 17:56
HanneleHannele
7,45055 gold badges4444 silver badges6464 bronze badges
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Choice between vector::resize() and vector::reserve()
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265
The two functions do vastly different things!
The resize() method (and passing argument to cons...
REST, HTTP DELETE and parameters
...t of a request).
Two examples how to do this in UI would be to:
pre-HTML5:* show a JS confirmation dialog to the user, and send the request only if the user confirms it
HTML5:* use a form with action DELETE where the form would contain only "Confirm" and "Cancel" buttons ("Confirm" would be the s...