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What is the Invariant Culture?
...,
// following code can run on another computer.
nonInvariantCulture.NumberFormat.NumberDecimalSeparator = ",";
decimal parsedDec;
try
{
// This fails because value cannot be parsed.
parsedDec = decimal.Parse(convertedToString);
}
catch (FormatException)
{
}
// However you always can use ...
What are the differences between Rust's `String` and `str`?
... the str takes up cannot be known at compile time and depends on runtime information — it cannot be stored in a variable because the compiler needs to know at compile time what the size of each variable is. A str is conceptually just a row of u8 bytes with the guarantee that it forms valid UTF-8. ...
Regular expression for first and last name
...Lithuanian and Latvian characters. Rather try to find a library which transforms the exotic characters into the proper accent-less version, then write the /^[a-z ,.'-]+$/i regexp.
– gaborsch
Mar 2 '13 at 16:53
...
Control the size of points in an R scatterplot?
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$window.unbind('scroll', onScroll);
}
};
...
When to use reinterpret_cast?
...ng (7.0.0) and gcc (8.2.0). Unfortunately I did not find the limitation in formal language. All I could find was social.msdn.microsoft.com/Forums/vstudio/en-US/…
– Michael Veksler
Mar 2 '19 at 16:03
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Ruby: kind_of? vs. instance_of? vs. is_a?
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Yes, they're the same. Duck typing is a form of polymorphism.
– SpaceGhost
Jan 15 '13 at 21:54
3
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Call a function with argument list in python
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If the latter is what you want, use the *args form when wrapper calls func2, but not in 'def wrapper'.
– Alex Martelli
May 3 '09 at 19:21
add a co...
Postgres and Indexes on Foreign Keys and Primary Keys
...ed. Each index you add slows DML operations down slightly, so you pay a performance cost on every INSERT, UPDATE or DELETE. If the index is rarely used it may not be worth having.
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Is there something like Annotation Inheritance in java?
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$window.unbind('scroll', onScroll);
}
};
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How to compute the similarity between two text documents?
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The common way of doing this is to transform the documents into TF-IDF vectors and then compute the cosine similarity between them. Any textbook on information retrieval (IR) covers this. See esp. Introduction to Information Retrieval, which is free and available o...