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What are the differences between NP, NP-Complete and NP-Hard?
...se definitions.
Decision problem: A problem with a yes or no answer.
Now, let us define those complexity classes.
P
P is a complexity class that represents the set of all decision problems that can be solved in polynomial time.
That is, given an instance of the problem, the answer yes or no...
Converting string to Date and DateTime
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@Matthew yes, correct. But you never now, even today I found a PHP4.1 version still installed ...
– Roland
Nov 26 '18 at 16:45
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In Windows Azure: What are web role, worker role and VM role?
...pplication in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
... mode (This is the answer I found when I did an extensive search for this known issue) and that causes other part of my code to break.
Fortunately, now Microsoft has released a 64 bit compatible 2010 Office System Driver which can be used as replacement for the traditional Microsoft.Jet.OLEDB.4.0 d...
Is there an opposite to display:none?
...p the poor programmer with having to deal with implementing "make bald" - "now, put hair back". This answer tells you how to deal with that practical problem. Element.style.display = '' is error prone, because the "old hair" might not be the default display, but 'block' or 'table cell' or whatever. ...
How to remove all whitespace from a string?
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@DWin Supposedly it is faster if R knows that it does not have to invoke the regular expression stuff. In this case it does not really make any difference, I am just in the habit of doing so.
– Aniko
May 13 '11 at 13:00
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How can I implement an Access Control List in my Web MVC application?
...// you can execute all the methods you had in previous controller
// only now they will be checked against ACL
$controller->actionIndex();
As you might notice, this solution has several advantages:
containment can be used on any object, not just instances of Controller
check for authorizatio...
Why should a Java class implement comparable?
...m.add(3);
m.add(2);
for (Integer i : m)
... // values will be sorted
But now suppose I have some custom object, where sorting makes sense to me, but is undefined. Let's say, I have data representing districts by zipcode with population density, and I want to sort them by density:
public class Dis...
How to REALLY show logs of renamed files with git?
...chunks of code across files, and he was hoping we would have such tools by now. Unfortunately, we still don't have that luxury, and --follow is still useful.
– Michael Parker
Oct 21 '14 at 16:54
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Pass complex parameters to [Theory]
... Any ideas what happened with ClassData? I canõt find it in xUnit2.0, for now, I am using MemberData with static method, which creates new instance of class, and returns that.
– Erti-Chris Eelmaa
May 16 '15 at 23:43
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