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Build a Basic Python Iterator
...
Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__().
The __iter__ returns the iterator object and is implicitly called
at the start of loops.
The __next__() method returns the next value and is implicitly cal...
Is there a replacement for unistd.h for Windows (Visual C)?
...nsole program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm pretty sure I ca...
Understanding the difference between __getattr__ and __getattribute__
...oesn't explicitly manage and do that via __getattr__ method.
Python will call this method whenever you request an attribute that hasn't already been defined, so you can define what to do with it.
A classic use case:
class A(dict):
def __getattr__(self, name):
return self[name]
a = A()...
Signing a Windows EXE file
...sign /a /s MY /sha1 sha1_thumbprint_value /t http://timestamp.verisign.com/scripts/timstamp.dll /v "C:\filename.dll"
In this example we are using a certificate stored on the Personal folder with a SHA1 thumbprint (This thumbprint comes from the certificate) to sign the file located at C:\filename.d...
Test if element is present using Selenium WebDriver?
...deviceNotFound.Count > 0 && deviceNotFound[0].Displayed){
//script to execute if element is found
} else {
//Test script goes here.
}
I know I'm a little late on the response to the OP. Hopefully this helps someone!
...
How do I install a module globally using npm?
...):
Of course, there are some cases where
you want to do both. Coffee-script and
Express both are good examples of apps
that have a command line interface, as
well as a library. In those cases, you
can do one of the following:
Install it in both places. Seriously, are you that s...
How to get the parents of a Python class?
...
If you want all the ancestors rather than just the immediate ones, use inspect.getmro:
import inspect
print inspect.getmro(cls)
Usefully, this gives you all ancestor classes in the "method resolution order" -- i.e. the order in which ...
How to correctly use “section” tag in HTML5?
...When an
element is needed for styling purposes or as a convenience for
scripting, authors are encouraged to use the div element instead. A
general rule is that the section element is appropriate only if the
element's contents would be listed explicitly in the document's
outline.
Referenc...
Valid values for android:fontFamily and what they map to?
... |
Coming Soon | casual |
Dancing Script | cursive |
Dancing Script Bold | cursive | bold
Carrois Gothic SC | sans-serif-smallcaps |
(Noto Sans is a fallback font; you can't specify it dir...
Python serialization - Why pickle?
... all the information necessary to reconstruct the object in another python script.
As for where the pickled information is stored, usually one would do:
with open('filename', 'wb') as f:
var = {1 : 'a' , 2 : 'b'}
pickle.dump(var, f)
That would store the pickled version of our var dict in...