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What is compiler, linker, loader?
...nted to know in depth meaning and working of compiler, linker and loader.
With reference to any language preferably c++.
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Using Java 8's Optional with Stream::flatMap
...or some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
12 Answ...
What's the best way to cancel event propagation between nested ng-click calls?
...re's an example. Let's say I want to have an image overlay like a lot of sites. So when you click a thumbnail, a black overlay appears over your whole window, and a larger version of the image is centered in it. Clicking the black overlay dismisses it; clicking the image will call a function that...
Can I use non existing CSS classes?
...ct exist on those specific elements, and your markup is perfectly valid as it is.
This doesn't necessarily mean that you need to have a class declared in the HTML before you can use it in CSS either. See ruakh's comment. Whether or not a selector is valid depends entirely on the selector syntax, an...
What is LINQ and what does it do? [closed]
What is LINQ? I know it's for databases, but what does it do?
7 Answers
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Java Reflection Performance
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Yes - absolutely. Looking up a class via reflection is, by magnitude, more expensive.
Quoting Java's documentation on reflection:
Because reflection involves types that are dynamically resolved, certain Java virtual machine optimizations can not be performed. Consequently, reflectiv...
What's the fastest way to read a text file line-by-line?
I want to read a text file line by line. I wanted to know if I'm doing it as efficiently as possible within the .NET C# scope of things.
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Check if a temporary table exists and delete if it exists before creating a temporary table
...ollowing code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
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Interface naming in Java [closed]
Most OO languages prefix their interface names with a capital I, why does Java not do this? What was the rationale for not following this convention?
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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...