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Check if a number is int or float
... classes. isinstance checks if a given object is an instance of a class or one of that class's subclasses, so it's perfectly generic. Methinks that isinstance(obj, cls) is equivalent to issubclass(obj.__class__, cls)
– user395760
Dec 27 '10 at 19:33
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
I am building a website specifically for mobile devices. There is one page in particular which is best viewed in landscape mode.
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Using an SSH keyfile with Fabric
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I was setting the key programmatically in one of my tasks using the settings context manager and couldn't get it to recognize the key_filename until I changed key_filename='/path/to/key' to key_filename=['/path/to/key'] so if anyone else is having trouble, making key...
Is “inline” without “static” or “extern” ever useful in C99?
...xtern inline" declaration in some .c file to actually generate the stand-alone code.
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How to determine if an NSDate is today?
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You can compare date components:
NSDateComponents *otherDay = [[NSCalendar currentCalendar] components:NSCalendarUnitEra | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:aDate];
NSDateComponents *today = [[NSCalendar currentCa...
Graph visualization library in JavaScript
...erry", "apple");
g.addEdge("id34", "cherry");
I used the previously mentioned Raphael JS library (the graffle example) plus some code for a force based graph layout algorithm I found on the net (everything open source, MIT license). If you have any remarks or need a certain feature, I may implemen...
CSS Background Opacity [duplicate]
...before to have a semi-transparent background and you can do this with just one container. Use something like this
<article>
Text.
</article>
Then apply some CSS
article {
position: relative;
z-index: 1;
}
article::before {
content: "";
position: absolute;
top: 0;
left...
Fling gesture detection on grid layout
...er = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
return gestureDetector.onTouchEvent(event);
}
};
}
class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, fl...
background:none vs background:transparent what is the difference?
... that background is a shorthand for, then it is set to its default value. none and transparent are the defaults.
One explicitly sets the background-image to none and implicitly sets the background-color to transparent. The other is the other way around.
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Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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