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What is the difference between __init__ and __call__?
.....
x = Foo(1, 2, 3) # __init__
The second implements function call operator.
class Foo:
def __call__(self, a, b, c):
# ...
x = Foo()
x(1, 2, 3) # __call__
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Is it possible to serialize and deserialize a class in C++?
...alization library does, it extends the stream method by setting up a framework to write objects to a text-like format and read them from the same format.
For built-in types, or your own types with operator<< and operator>> properly defined, that's fairly simple; see the C++ FAQ for mor...
Unable to Connect to GitHub.com For Cloning
I am trying to clone the angular-phonecat git repository , but I am getting the following message when I enter the command in my Git Bash:
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How can you tell when a layout has been drawn?
I have a custom view that draws a scrollable bitmap to the screen. In order to initialize it, i need to pass in the size in pixels of the parent layout object. But during the onCreate and onResume functions, the Layout has not been drawn yet, and so layout.getMeasuredHeight() returns 0.
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
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http://docs.python.org/howto/unicode.html#the-unicode-type
str = unicode(str, errors='replace')
or
str = unicode(str, errors='ignore')
Note: This will strip out (ignore) the characters in question returning the string without them.
For m...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...w Random instance in a loop. Try something like:
var rnd = new Random();
for(int i = 0; i < 100; ++i)
Console.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is supposed to be uniformly distributed. By creating a new Random instance for eve...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
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developer.android.com has nice example code for this:
https://developer.android.com/guide/topics/providers/document-provider.html
A condensed version to just extract the file name (assuming "this" is an Activity):
public String getFileName(Uri uri) {
String result =...
Does C# have extension properties?
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For the moment it is still not supported out of the box by Roslyn compiler ...
Until now, the extension properties were not seen as valuable enough to be included in the previous versions of C# standard. C# 7 and C# 8.0 have ...
Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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How to see the changes between two commits without commits in-between?
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That worked for me, but now, How can I apply my.patch to other branch?
– nacho4d
Jun 2 '11 at 2:53
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