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Static methods in Python?
...ss C:
@staticmethod
def f(arg1, arg2, ...): ...
The @staticmethod form is a function decorator – see the description of function definitions in Function definitions for details.
It can be called either on the class (such as C.f()) or on an instance (such as C().f()). The instance is ignor...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
...
There's a lot of information in the WWDC video "Session 407 - Adopting Storyboards in your App."
Say you have two view controllers linked by a segue. Implement the following exit action on the first view controller:
- (IBAction)done:(UIStoryb...
Visual Studio 2010 always thinks project is out of date, but nothing has changed
... debug (hit F5 in Visual Studio)
Search the debug log for any lines of the form:
devenv.exe Information: 0 : Project 'Bla\Bla\Dummy.vcxproj' not up to date because build input 'Bla\Bla\SomeFile.h' is missing.
(I just hit Ctrl+F and searched for not up to date) These will be the references caus...
What are Flask Blueprints, exactly?
...r>")
def rings(year=None):
return "Looking at the rings for {year}".format(year=year)
This is a simple mold for working with trees - it says that any application that deals with trees should provide access to its leaves, its roots, and its rings (by year). By itself, it is a hollow shell -...
Can I have multiple primary keys in a single table?
...ode)
Area(zip_code, name)
So that it is consistent with the third normal form.
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Make Div overlay ENTIRE page (not just viewport)?
...d be really laborious to get those back for many elements like buttons and form inputs.
– Sampson
May 17 '10 at 20:02
1
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seek() function?
...ering width :
fp = open('afile.png', 'rb')
fp.seek(16)
print 'width: {0}'.format(struct.unpack('>i', fp.read(4))[0])
print 'height: ', struct.unpack('>i', fp.read(4))[0]
Note: Once you call read you are changing the position of the
read-head, which act's like seek.
...
HTTP Basic Authentication - what's the expected web browser experience?
...
To help everyone avoid confusion, I will reformulate the question in two parts.
First : "how can make an authenticated HTTP request with a browser, using BASIC auth?".
In the browser you can do a http basic auth first by waiting the prompt to come, or by editing the...
Delete element in a slice
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How is the performance of this? I seriously hope it's not creating an entirely new slice under the hood..
– joonas.fi
Feb 20 '17 at 18:28
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Rails migration: t.references with alternative name?
... comment above is exactly right - the add_foreign_key lines take care of informing the database what is a foreign key of what. The references: parameter is doing nothing.
– Toby 1 Kenobi
Sep 4 '18 at 17:04
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