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In Scala, what exactly does 'val a: A = _' (underscore) mean?
What exactly does val a: A = _ initialize a value to? Is this a typed null? Thanks.
2 Answers
...
Python class inherits object
...ss ClassicSpam: # no base class
... pass
>>> ClassicSpam.__bases__
()
"new" style classes: they have, directly or indirectly (e.g inherit from a built-in type), object as a base class:
>>> class NewSpam(object): # directly inherit from object
... pass
>&g...
How to return a value from __init__ in Python?
I have a class with an __init__ function.
10 Answers
10
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How to make an OpenGL rendering context with transparent background?
... tested on Windows XP (32-bits) and Windows 8.1 (32-bits).
Enjoy!
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#pragma comment (lib, "opengl32.lib")
#pragma comment (lib, "glu32.lib")
#include <assert.h&g...
Best way to strip punctuation from a string
..."","")
regex = re.compile('[%s]' % re.escape(string.punctuation))
def test_set(s):
return ''.join(ch for ch in s if ch not in exclude)
def test_re(s): # From Vinko's solution, with fix.
return regex.sub('', s)
def test_trans(s):
return s.translate(table, string.punctuation)
def test...
Show the progress of a Python multiprocessing pool imap_unordered call?
... that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call:
9 Answers
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How to replace plain URLs with links?
...or ftp://
replacePattern1 = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gim;
replacedText = inputText.replace(replacePattern1, '<a href="$1" target="_blank">$1</a>');
//URLs starting with "www." (without // before it, or it'd re-link the one...
Python Requests and persistent sessions
...ith your requests as you would:
s.post('https://localhost/login.py', login_data)
#logged in! cookies saved for future requests.
r2 = s.get('https://localhost/profile_data.json', ...)
#cookies sent automatically!
#do whatever, s will keep your cookies intact :)
For more about sessions: https://req...
How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?
...
You could put a _ViewStart.cshtml file inside the /Views/Public folder which would override the default one in the /Views folder and specify the desired layout:
@{
Layout = "~/Views/Shared/_PublicLayout.cshtml";
}
By analogy you could...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
...as u tell.. some of them are class library projects.. follwing error popup appears: "A project with an Output Type of Class Library cannot be started directly"
– Muhammad Azeem
Oct 19 '12 at 10:31
...