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Getting a slice of keys from a map
Is there any simpler/nicer way of getting a slice of keys from a map in Go?
6 Answers
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How do I assert equality on two classes without an equals method?
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edited Jun 19 '19 at 14:11
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In Matplotlib, what does the argument mean in fig.add_subplot(111)?
Sometimes I come across code such as this:
7 Answers
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How can I check if a checkbox is checked?
...ding a mobile web app with jQuery Mobile and I want to check if a checkbox is checked. Here is my code.
14 Answers
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Windows batch files: .bat vs .cmd?
As I understand it, .bat is the old 16-bit naming convention, and .cmd is for 32-bit Windows, i.e., starting with NT. But I continue to see .bat files everywhere, and they seem to work exactly the same using either suffix. Assuming that my code will never need to run on anything older than NT, d...
What are the rules for calling the superclass constructor?
... with an argument, you must use the subclass's constructor initialization list. Unlike Java, C++ supports multiple inheritance (for better or worse), so the base class must be referred to by name, rather than "super()".
class SuperClass
{
public:
SuperClass(int foo)
{
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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...
Can I have an onclick effect in CSS?
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The closest you'll get is :active:
#btnLeft:active {
width: 70px;
height: 74px;
}
However this will only apply the style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of Jav...
How do I expand a tuple into variadic template function's arguments?
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Here's my code if anyone is interested
Basically at compile time the compiler will recursively unroll all arguments in various inclusive function calls <N> -> calls <N-1> -> calls ... -> calls <0> which is the last one and...
Get started with Latex on Linux [closed]
Impressed by is-latex-worth-learning-today , and many how-to's on Windows,
8 Answers
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