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Coding Conventions - Naming Enums
Is there a convention for naming enumerations in Java?
7 Answers
7
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Rails and PostgreSQL: Role postgres does not exist
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This message pops up, when the database user does not exist. Compare the manual here.
Multiple local databases cannot be the explanation. Roles are valid cluster-wide. The manual again:
Note that roles are defined at the datab...
jQuery .ready in a dynamically inserted iframe
We are using jQuery thickbox to dynamically display an iframe when someone clicks on a picture. In this iframe, we are using galleria a javascript library to display multiple pictures.
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
In order to make a simple game, I used a template that draws a canvas with bitmaps like this:
18 Answers
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Fragment over another fragment issue
When I'm showing one fragment (which is full screen with #77000000 background) over another fragment (let's call it main), my main fragment still reacts to clicks (we can click a button even if we don't see it).
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Inspect hovered element in Chrome?
I am trying to view, through Chrome's developer tools, how tooltips are structured on a site. However, even when I am hovered over the item, when I "inspect element", nothing shows for the tooltip in the html. I know I can set the Style to :hover , but I still can't see the html or css of the toolt...
Difference between 2 dates in SQLite
...t the difference in days between 2 dates in SQLite? I have already tried something like this:
12 Answers
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Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013
... edited Aug 29 '17 at 17:38
meJustAndrew
4,44244 gold badges3434 silver badges6161 bronze badges
answered Mar 7 '14 at 20:31
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...now how to check the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors.
Actually you should see the errors if you drill into that array in Visual studio during debug. But you can also catch the exception and then write out the errors...
How to make a chain of function decorators?
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Check out the documentation to see how decorators work. Here is what you asked for:
from functools import wraps
def makebold(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<b>" + fn(*args, **kwargs) + "</b>...