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Java: Calling a super method which calls an overridden method
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The keyword super doesn't "stick". Every method call is handled individually, so even if you got to SuperClass.method1() by calling super, that doesn't influence any other method call that you might make in the future.
That means there is no direct way to call SuperClass....
Can I set an opacity only to the background image of a div?
...ght: 0;
background: url(test.jpg) center center;
opacity: .4;
width: 100%;
height: 100%;
}
See test case on jsFiddle
:before and ::before pseudo-element
Another trick is to use the CSS 2.1 :before or CSS 3 ::before pseudo-elements. :before pseudo-element is supported in IE from v...
Find element's index in pandas Series
...I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level.
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In git, what is the difference between merge --squash and rebase?
... commit) for a tree. Maybe the mercurial term for this is more clear: they call it transplant because it's just that: picking a new ground (parent commit, root) for a tree.
When doing an interactive rebase, you're given the option to either squash, pick, edit or skip the commits you are going to re...
How do I disable the security certificate check in Python requests
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Thanks, this works if you have few requests calls inside your own code, but imagine that I want to disable this in a third partly library that uses requests,... it would be impossible to fix the 3rd party lib like this.
– sorin
De...
What is the difference between jQuery: text() and html() ?
...t;/b>');
});
</script>
</head>
<body>
<div id="div1"></div>
<div id="div2"></div>
</body>
</html>
A difference that may not be so obvious is described in the jQuery API documentation
In the documentation for .html():
The .html(...
Custom views with Storyboard
...(View Controllers) I used to separate the whole thing in smaller pieces (I call them widgets). These widgets consist basically of a MyWidget.h and a MyWidget.m file as well as a MyWidget.xib file, where the root element is a UIView and the MyWidget class is the File Owner of the UIView. In t...
Create a tar.xz in one command
...fc)
- outputs to Standard Output
| pipes output to the next command
xz -4e calls xz with the -4e compression option. (equal to -4 --extreme)
> baz.tar.xz directs the tarred and compressed file to baz.tar.xz
where -4e is, use your own compression options.
I often use -k to --keep the original ...
Android - border for button
...ow code
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient android:startColor="#FFFFFF"
android:endColor="#00FF00"
android:angle="270" />
<corners android:radius="3dp" />...
Calling parent class __init__ with multiple inheritance, what's the right way?
...sing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call sup...