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C# Passing Function as Argument [duplicate]
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Using the Func as mentioned above works but there are also delegates that do the same task and also define intent within the naming:
public delegate double MyFunction(double x);
public double Diff(double x, MyFunction f)
{
double h = 0.0000001;
retu...
PHP foreach loop key value
...array
I am trying to get the keys of each but when I try it comes up blank or as array.
4 Answers
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How can I generate Unix timestamps?
Related question is "Datetime To Unix timestamp", but this question is more general.
18 Answers
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How to subtract X days from a date using Java calendar?
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Taken from the docs here:
Adds or subtracts the specified amount of time to the given calendar field, based on the calendar's rules. For example, to subtract 5 days from the current time of the calendar, you can achieve it by calling:
Calendar calendar = ...
Why do python lists have pop() but not push()
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Because "append" existed long before "pop" was thought of. Python 0.9.1 supported list.append in early 1991. By comparison, here's part of a discussion on comp.lang.python about adding pop in 1997. Guido wrote:
To implement a stack, one would need
to a...
Increase number of axis ticks
I'm generating plots for some data, but the number of ticks is too small, I need more precision on the reading.
5 Answers...
Change default timeout for mocha
... methods if you want a global default of 5000 but set something different for some files.
Note that you cannot generally use an arrow function if you are going to call this.timeout (or access any other member of this that Mocha sets for you). For instance, this will usually not work:
describe("s...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...ervlets, one can access the response body via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to?
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What are “named tuples” in Python?
...tuple instances can be referenced using object-like variable dereferencing or the standard tuple syntax. They can be used similarly to struct or other common record types, except that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in...
Core pool size vs maximum pool size in ThreadPoolExecutor
What exactly is the difference between core pool size and maximum pool size when we talk in terms of ThreadPoolExecutor ?
Can it be explained with the help of an example?
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