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Difference between matches() and find() in Java Regex
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matches tries to match the expression against the entire string and implicitly add a ^ at the start and $ at the end of your pattern, meaning it will not look for a substring. Hence the output of this code:
public static void main(String[] args) throws ...
How do I find the length of an array?
...<< (sizeof(a)/sizeof(*a)) << std::endl;
This doesn't work on pointers (i.e. it won't work for either of the following):
int *p = new int[7];
std::cout << "Length of array = " << (sizeof(p)/sizeof(*p)) << std::endl;
or:
void func(int *p)
{
std::cout << "L...
linq query to return distinct field values from a list of objects
Assume there is list with 100 elements of obj, but only 10 unique typeIDs.
Is it possible to do write a LINQ query return the 10 unique ints from the list of objs?
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How can I find the number of days between two Date objects in Ruby?
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edited Dec 16 '13 at 6:29
dylanfm
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Difference between two lists
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Using Except is exactly the right way to go. If your type overrides Equals and GetHashCode, or you're only interested in reference type equality (i.e. two references are only "equal" if they refer to the exact same object), you can jus...
Add and remove multiple classes in jQuery
I'm trying to add and remove multiple classes on a text field by clicking different radio buttons. I'm not able to remove the unwanted classes while switching between different radio buttons.
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Get size of all tables in database
I have inherited a fairly large SQL Server database. It seems to take up more space than I would expect, given the data it contains.
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How to get the full path of running process?
I am having a application that is changing some settings of other application (it is a simple C# application that run by double clicking (no setup required)).
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Jquery change background color
I was trying out jquery with this example:
3 Answers
3
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Shortest distance between a point and a line segment
I need a basic function to find the shortest distance between a point and a line segment. Feel free to write the solution in any language you want; I can translate it into what I'm using (Javascript).
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