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Generics in C#, using type of a variable as parameter [duplicate]
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The point about generics is to give compile-time type safety - which means that types need to be known at compile-time.
You can call generic methods with types only known at execution time, but you have to use reflection:
// For ...
Java Name Hiding: The Hard Way
I have a problem with name hiding that is extremely hard to solve. Here is a simplified version that explains the problem:
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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
9
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Hide Twitter Bootstrap nav collapse on click
This is not a submenu dropdown, the category is class li as in the picture:
30 Answers
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How to check a not-defined variable in JavaScript
I wanted to check whether the variable is defined or not. For example, the following throws a not-defined error
14 Answer...
How to check if function exists in JavaScript?
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Try something like this:
if (typeof me.onChange !== "undefined") {
// safe to use the function
}
or better yet (as per UpTheCreek upvoted comment)
if (typeof me.onChange === "function") {
// safe to use the function
}
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How to set initial value and auto increment in MySQL?
How do I set the initial value for an "id" column in a MySQL table that start from 1001?
10 Answers
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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update q
set q.QuestionID = a.QuestionID
from QuestionTrackings q
inner join QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to update is before running the update (same query, j...
What is a smart pointer and when should I use one?
What is a smart pointer and when should I use one?
14 Answers
14
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Why are interface variables static and final by default?
Why are interface variables static and final by default in Java?
15 Answers
15
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