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What is the difference between dynamic and static polymorphism in Java?
Can anyone provide a simple example that explains the difference between Dynamic and Static polymorphism in Java?
14 An...
Benefits of inline functions in C++?
...that it only increases performance for the code that the compiler outputs, but with today's optimized compilers, fast CPUs, huge memory etc. (not like in the 1980< where memory was scarce and everything had to fit in 100KB of memory) what advantages do they really have today?
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Hidden Features of Java
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Double Brace Initialization took me by surprise a few months ago when I first discovered it, never heard of it before.
ThreadLocals are typically not so widely known as a way to store per-thread state.
Since JDK 1.5 Java has h...
What is a Python equivalent of PHP's var_dump()? [duplicate]
When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains.
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Why is this F# code so slow?
...tation in C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build.
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Use of 'prototype' vs. 'this' in JavaScript?
What's the difference between
15 Answers
15
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Spring MVC: How to return image in @ResponseBody?
I'm getting image data (as byte[] ) from DB. How to return this image in @ResponseBody ?
14 Answers
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Applying a function to every row of a table using dplyr?
... of dplyr 0.2 (I think) rowwise() is implemented, so the answer to this problem becomes:
iris %>%
rowwise() %>%
mutate(Max.Len= max(Sepal.Length,Petal.Length))
Non rowwise alternative
Five years (!) later this answer still gets a lot of traffic. Since it was given, rowwise is increas...
How to match a String against string literals in Rust?
...like this:
match &stringthing[..] {
"a" => println!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println!("something else!"),
}
There's also an as_str method as of Rust 1.7.0:
match stringthing.as_str() {
"a" => println!("0"),
"b" => printl...
What is the correct way to document a **kwargs parameter?
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I think subprocess-module's docs is a good example. Give an exhaustive list of all parameters for a top/parent class. Then just refer to that list for all other occurrences of **kwargs.
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