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What's the difference between QMainWindow, QWidget and QDialog?
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A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in...
Git on Windows: How do you set up a mergetool?
...rge.tool p4merge
git config --global mergetool.p4merge.cmd 'p4merge.exe \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\"'
or, from a windows cmd.exe shell, the second line becomes :
git config --global mergetool.p4merge.cmd "p4merge.exe \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\""
The changes (rel...
How to create a database from shell command?
...tedb in PostgreSQL or any other solution that would allow me to create database with a help of a shell command. Any hints?
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How do I get a TextBox to only accept numeric input in WPF?
...g RegularExpression
{
get
{
return (string)base.GetValue(RegularExpressionProperty);
}
set
{
base.SetValue(RegularExpressionProperty, value);
}
}
public static readonly DependencyProperty MaxLengthProperty =
...
Get protocol + host name from URL
...rl = "http://stackoverflow.com/questions/9626535/get-domain-name-from-url"
base_url = "{0.scheme}://{0.netloc}/".format(urlsplit(url))
print(base_url)
# http://stackoverflow.com/
share
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improve th...
How to call Base Class's __init__ method from the child class? [duplicate]
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You could use super(ChildClass, self).__init__()
class BaseClass(object):
def __init__(self, *args, **kwargs):
pass
class ChildClass(BaseClass):
def __init__(self, *args, **kwargs):
super(ChildClass, self).__init__(*args, **kwargs)
Your indentation is i...
Why doesn't Java allow overriding of static methods?
...hat in real life you would likely want the bonus multiplier to be in a database somewhere rather than hard-coded. But that's just because I didn't want to bog down the example with a lot of code irrelevant to the point.)
It seems quite plausible to me that you might want to make getBonusMultiplier ...
How to get a Static property with Reflection
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Looks great. The goal was to get the property based on a name argument - I don't think I would want to loop over ever property to achieve that.
– Corey Downie
Mar 5 at 1:39
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Overriding a Rails default_scope
If I have an ActiveRecord::Base model with a default-scope:
9 Answers
9
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Does SVG support embedding of bitmap images?
...;image
width="100" height="100"
xlink:href="data:image/png;base64,IMAGE_DATA"
/>
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</svg>
The svg element attribute xmlns:xlink declares xlink as a namespace prefix and says where the definition is. That then allows the SVG reader to know what xlink:href means...