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Abstraction VS Information Hiding VS Encapsulation
...ften achieved through information hiding, which
is the process of hiding all of the secrets of object that do not
contribute to its essential characteristics.
In other words: abstraction = the object externally; encapsulation (achieved through information hiding) = the object internally,
Exam...
Proper way to declare custom exceptions in modern Python?
...tionError(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
self.errors = errors
That way you could pass dict of error me...
Why do we use $rootScope.$broadcast in AngularJS?
... scope of that app can catch it using a simple: $scope.$on().
It is especially useful to send events when you want to reach a scope that is not a direct parent (A branch of a parent for example)
!!! One thing to not do however is to use $rootScope.$on from a controller. $rootScope is the applicati...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...
I'm a bit on both sides, actually :
When what I need on the javascript side is data, I use JSON
When what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML
The main advantage of using HTML is w...
Autoincrement VersionCode with gradle extra properties
...se build", that should be possible, though I don't know the details. Personally, since there are ~2 billion version codes available, I'm assuming I won't run out. :-)
– CommonsWare
Feb 27 '14 at 20:47
...
Adjust width and height of iframe to fit with content in it
...'iFrame1' );
resizeIFrameToFitContent( iFrame );
// or, to resize all iframes:
var iframes = document.querySelectorAll("iframe");
for( var i = 0; i < iframes.length; i++) {
resizeIFrameToFitContent( iframes[i] );
}
} );
</script>
<iframe src="usagelogs/defa...
Is there a working C++ refactoring tool? [closed]
...
Unfortunately, Refactor for C++ doesn't work well (if at all) with large codebases.
– Daniel Rose
May 4 '11 at 9:46
1
...
Reading CSV files using C#
...sualBasic but it works in C# just as well - remember that at the end it is all just IL)
use the Microsoft.VisualBasic.FileIO.TextFieldParser class to parse CSV file
Here is the sample code:
using (TextFieldParser parser = new TextFieldParser(@"c:\temp\test.csv"))
{
parser.TextFieldType = Fiel...
Convert column classes in data.table
...hat is the idiomatic way of doing this for a subset of columns (instead of all of them)? I've defined a character vector convcols of columns. dt[,lapply(.SD,as.numeric),.SDcols=convcols] is almost instant while dt[,convcols:=lapply(.SD,as.numeric),.SDcols=convcols] almost freezes up R, so I'm guessi...
:not(:empty) CSS selector is not working?
...idered empty by the HTML definition of "empty", since the content model of all void elements is always empty. So they will always match the :empty pseudo-class, whether or not they have a value. This is also why their value is represented by an attribute in the start tag, rather than text content wi...