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What algorithms compute directions from point A to point B on a map?
How do map providers (such as Google or Yahoo! Maps) suggest directions?
18 Answers
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How do I set the timeout for a JAX-WS webservice client?
...y a timeout for sending requests to the web service. If for some reason it does not respond the client just seems to spin it's wheels forever.
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What does “async: false” do in jQuery.ajax()?
Specifically, how does it differ from the default ( async: true ) ?
7 Answers
7
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subtract two times in python
I have two datetime.time values, exit and enter and I want to do something like:
9 Answers
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LINQ to SQL Left Outer Join
...-n "right" rows (in the second table), where-as yours matches only 0-1. To do a left outer join, you need SelectMany and DefaultIfEmpty, for example:
var query = from c in db.Customers
join o in db.Orders
on c.CustomerID equals o.CustomerID into sr
from x in sr...
Get records with max value for each group of grouped SQL results
How do you get the rows that contain the max value for each grouped set?
17 Answers
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Why use getters and setters/accessors?
..., promoting public data. Notification of other objects can just as well be done from real methods providing a significant abstraction on a mere data container with (more or less) public data fields. Instead of plane.turnTo(dir); plane.setSpeed(spd); plane.setTargetAltitude(alt); plane.getBreaks().re...
Getting the class name from a static method in Java
...o hard-code in knowledge of MyClass like that, then you might as well just do String name = "MyClass"; !
– John Topley
Jun 1 '09 at 20:45
111
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How do I convert a string to a lower case representation?
How do I convert a string to a lower case representation?
2 Answers
2
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Should I use a data.frame or a matrix?
...u have data of the same type.
The answer depends on what you are going to do with the data in data.frame/matrix. If it is going to be passed to other functions then the expected type of the arguments of these functions determine the choice.
Also:
Matrices are more memory efficient:
m = matrix(1:...