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Best practices: throwing exceptions from properties
When is it appropriate to throw an exception from within a property getter or setter? When is it not appropriate? Why? Links to external documents on the subject would be helpful... Google turned up surprisingly little.
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Why does Math.Round(2.5) return 2 instead of 3?
...earest,
or banker's rounding. It minimizes
rounding errors that result from
consistently rounding a midpoint value
in a single direction.
You can specify how Math.Round should round mid-points using an overload which takes a MidpointRounding value. There's one overload with a MidpointRound...
Android buildscript repositories: jcenter VS mavencentral
...ses many additional repositories and artifacts.
In different scenarios and from different countries Bintray is faster than Maven Central (e.g. from Israel). In others it is very close. Since Maven Central and Bintray use different CDNs which adaptively favor regions, this might change to both ways.
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How to stop /#/ in browser with react-router?
Any way to prevent /#/ from showing in the browser's address bar when using react-router? That's with ReactJS. i.e. Clicking on links to go to a new route shows localhost:3000/#/ or
localhost:3000/#/about . Depending on the route.
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What is the difference between exit and return? [duplicate]
... difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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Where does this come from: -*- coding: utf-8 -*-
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This way of specifying the encoding of a Python file comes from PEP 0263 - Defining Python Source Code Encodings.
It is also recognized by GNU Emacs (see Python Language Reference, 2.1.4 Encoding declarations), though I don't know if it was the first program to use that syntax.
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How to re-raise an exception in nested try/except blocks?
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plan_B()
except AlsoFailsError:
raise e # or raise e from None - see below
The traceback produced will include an additional notice that SomeError occurred while handling AlsoFailsError (because of raise e being inside except AlsoFailsError). This is misleading because what ac...
How to construct a relative path in Java from two absolute paths (or URLs)?
...eption: 'other' has different root exception when asking for relative path from "C:\temp" to "D:\temp".
– Igor
Feb 13 '16 at 17:35
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Passing Parameters JavaFX FXML
...ers.
For small applications I highly recommend passing parameters directly from the caller to the controller - it's simple, straightforward and requires no extra frameworks.
For larger, more complicated applications, it would be worthwhile investigating if you want to use Dependency Injection or Eve...
Split views.py in several files
...w1(arg):
pass
viewsb.py :
def view2(arg):
pass
__init__.py :
from viewsa import view1
from viewsb import view2
The quick explanation would be: when you write from views import view1 Python will look for view1 in
views.py, which is what happens in the first (original) case
views/_...