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How can I correctly prefix a word with “a” and “an”?
I have a .NET application where, given a noun, I want it to correctly prefix that word with "a" or "an". How would I do that?
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How to test if a double is an integer
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if ((variable == Math.floor(variable)) && !Double.isInfinite(variable)) {
// integer type
}
This checks if the rounded-down value of the double is the same as the double.
Your variable could have an int or double value and Math.floor(v...
General suggestions for debugging in R
I get an error when using an R function that I wrote:
13 Answers
13
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DTO = ViewModel?
...nical definition of a DTO is the data shape of an object without any behavior.
ViewModels are the model of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view...
Write applications in C or C++ for Android? [closed]
I'm trying to develop/port a game to Android, but it's in C, and Android supports Java, but I'm sure there must be a way to get a C app on there, anyone knows of a way to accomplish this?
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How to properly assert that an exception gets raised in pytest?
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pytest.raises(Exception) is what you need.
Code
import pytest
def test_passes():
with pytest.raises(Exception) as e_info:
x = 1 / 0
def test_passes_without_info():
with pytest.raises(Exception):
x = 1 / 0
def test_fails():
with pytest.raises(Exc...
What are bitwise shift (bit-shift) operators and how do they work?
...languages (C#, Java, etc.) have the same concept (and often the same operators) ...
10 Answers
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How to override the properties of a CSS class using another CSS class
...kground-none { background: none; }
.background-none { background: none !important; }
The first two “win” by selector specificity; the third one wins by !important, a blunt instrument.
You could also organize your style sheets so that e.g. the rule
.background-none { background: none; }
win...
Short description of the scoping rules?
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Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)
LEGB Rule
Local — Names assigned in any w...
JSF backing bean structure (best practices)
I hope that in this post, I can get people's opinions on best practices for the interface between JSF pages and backing beans.
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