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CSS background image alt attribute
...e alt attribute set in its images, most of these browsers will display the description you gave instead of the images
some of your visitors cannot see images, be they blind, color-blind, low-sighted; the alt attribute is of great help for those people that can rely on it to have a good idea of what'...
Static methods in Python?
...rg2, ...): ...
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 ignored except for its class.
Static methods i...
How to manage startActivityForResult on Android?
...ctivityResult() then check its parameters:
requestCode identifies which app returned these results. This is defined by you when you call startActivityForResult().
resultCode informs you whether this app succeeded, failed, or something different
data holds any information returned by this app. Thi...
django test app error - Got an error creating the test database: permission denied to create databas
When I try to test any app with command (I noticed it when I tried to deploy myproject using fabric, which uses this command):
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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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"Not necessarily immediately" is the key part of this description.
– PanicBus
Feb 24 '17 at 0:21
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Can I have multiple primary keys in a single table?
... key (userid, userdataid)
);
Update: Here is a link with a more detailed description of composite primary keys.
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Websocket API to replace REST API?
I have an application whose primary function works in real time, through websockets or long polling.
10 Answers
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Delete element in a slice
...ricks for slice, including delete an element from slice.
Link: enter link description here
For example a is the slice which you want to delete the number i element.
a = append(a[:i], a[i+1:]...)
OR
a = a[:i+copy(a[i:], a[i+1:])]
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IIS - 401.3 - Unauthorized
...rying to get started with using IIS. I created a new site on IIS Manager, mapped it to a folder on my file system and added index.html to the folder. I have set the port to 85 for this site. When I try to access http://localhost:85/index.html , I get the following error message:
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How many Activities vs Fragments?
...n as suggested.
I also agree that it is not a good idea to duplicate your app's logic across many Activities (see DRY Principle on wikipedia).
I prefer the pattern used by the ActionBarSherlock Fragments Demo app (download here and source code here). The demo that most closely matches the tutori...