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Best way to make Java's modulus behave like it should with negative numbers?
... with, since if a is positive (a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it into smaller than b again (and doesn't affect negative a values).
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Use NUnit Assert.Throws method or ExpectedException attribute?
I have discovered that these seem to be the two main ways of testing for exceptions:
5 Answers
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How do I convert an integer to string as part of a PostgreSQL query?
...int8
The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax
myint = cast ( mytext as int8)
If you have literal text you want to compare with an int, cast the int to text:
SELECT * FROM table
WHERE myint::varchar(255) = mytext
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Android Studio/Intellij Idea: “Table of Contents” for a class
...thing that has been annoying me though is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that lists all the methods, interfaces, classes and so on that are in that class file. This then all...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
I'm putting in some effort to learn Python, and I am paying close attention to common coding standards. This may seem like a pointlessly nit-picky question, but I am trying to focus on best-practices as I learn, so I don't have to unlearn any 'bad' habits.
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How can I list ALL DNS records?
Is there any way I can list ALL DNS records for a domain?
8 Answers
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How do I use a file grep comparison inside a bash if/else statement?
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Note that, for PIPE being any command or sequence of commands, then:
if PIPE ; then
# do one thing if PIPE returned with zero status ($?=0)
else
# do another thing if PIPE returned with non-zero status ($?!=0), e.g. error
fi
Fo...
jQuery: Adding two attributes via the .attr(); method
...ute, you must always use quotes!
From the jQuery documentation (Sep 2016) for .attr:
Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older.
Edit:
For future reference...
To get a single at...
How can I get the current language in Django?
... deactivated (by deactivate_all() or when None is passed to override()). Before Django 1.8, get_language() always returned LANGUAGE_CODE when translations were deactivated.
– Pieter
Jan 3 '17 at 13:11
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Append to a file in Go
...uestion but why would it need both os.O_APPEND and os.O_WRONLY? This works for sure but why both?
– Dusan Gligoric
Oct 29 '19 at 19:30
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