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C# Creating a list for events that did not occur today [closed]

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Closed 9 years ago.
I`m making an application for an animal shelter, and each time a dog is added to the animal list it has to have the date it last went for a walk. Part of the assignment is to show a list of dogs that are not walked out TODAY. Any ideas?

OK, assuming that you have a "LastWalked" column in your data structure you want something like:
var dogsNotWalked = allDogs.Where(d => d.LastWalked < DateTime.Today);

It would help if you'd try something before asking for help. Not to mention showing your work. It's not exactly difficult, a one-liner, in fact. Try something like this:
public IEnumerable<Dog> Dogs { get ; set ; }
public IEnumerable<Dog> FindDogsNotWalkedRecently( DateTime referenceDate )
{
return Dogs.Where( dog => dog.LastWalkedAt < referenceDate ) ;
}

Can't use 'contains' in LINQ [closed]

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Closed 10 years ago.
string last = url.Substring(url.LastIndexOf('/') + 1);
var provisionedSiteRequestRep = provisioningRequestRepository.SelectFirst(new WhereSpecification<ProvisioningRequest>(result => result.SiteUrl.Contains(last.ToString())));
Some time i am getting the null values of last.tosting() so i am getting exception for this code how to resolve this?

You are facing problem on this line
(result => result.SiteUrl.Contains(last.ToString());
Can you please check that SiteUrl is type of string otherwise it not going to work for you.
because last is type of string and Contains is method supported by string type ...
or
otherwise last need to be enumebrable collection and siteurl also enumerable collection than and only than Contains is supported

Eval() javascript code from within C# [closed]

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Closed 10 years ago.
I want to eval() and run this javascript code from my C# program, but it won't even debug.
How can I do this?
string jsFunc = "eval(function(p,a,c,k,e,d){while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+c+'\\b','g'),k[c])}}return p}('8 4=\'6/13!)!6/12))6/19))))2!,!18*!16!15*!,!:14*-!17:9*!,!26***<\';8 5=\"\";20(3=0;3<4.24;3++){10(4.7(3)==25){5+=\'\\&\'}11 10(4.7(3)==23){5+=\'\\!\'}11{5+=21.22(4.7(3)-1)}};5;',10,27,'|||i|s|m|Nbui|charCodeAt|var||if|else|bct|spvoe|521|8477|_|73|2689|njo|for|String|fromCharCode||l{�ength|28|4451'.split('|')))";
JSEval.JSEval eval = new JSEval.JSEval();
string expression, result;
Console.Write("Выражение: ");
expression = jsFunc;
try
{
result = eval.Eval(expression).ToString();
}
catch
{
result = "!!!";
}

One potential problem, if I am permitted to hazard a guess based on the slim details available, is the odd character sequence found in the string:
...||l{�ength|28|4451'.split('|')))";
Perhaps you should remove the {� and re-run the code.
To elaborate on other meanings of the phrase "code don't debug":
Ensure the project is configured to build in Debug mode.
If your expectation is that you can step through the JavaScript, this will not be possible. You should instead debug the JavaScript using something like Firebug.
If you cannot mentally debug the JavaScript, because it has been minified, you should look at a tool to unpack the JavaScript into something more human readable.

Creating a do statement that has the properties of a while statement [closed]

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Closed 10 years ago.
Has been solved. Was trying to create a do statement that would not do anything until the while was checked. Was solved by simply putting an if statement before the do statement.
Using a do statement and anything else you might need, write the equivalent of:
while (b) {
s;
}

I think you might be looking for
if(b)
{
do
{
s;
}
while(b);
}

Is a standard part of the language:
do
{
s;
} while (b);

If I understood your question correctly you have a code that uses do..while loop and you want to replace it with a "regular" while loop.
That is not so simple as you say in your example. The difference is that do..while will always run at least once, and check the condition after it's completed. While loop may not run at all.

Fibonacci Recursion [closed]

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Closed 11 years ago.
Alright, so I've tried to search for it, and yes, I found the answer, but not the explanation of it, I'd like to know the explanation of the following result:
float fib(int num)
{
float result;
if (num==1)
result=0;
else
{
if (num==2)
result=1;
else
result=fib(num-1)+fib(num-2);
}
return result;
}

Start here: http://en.wikipedia.org/wiki/Recursion
Then go here: http://en.wikipedia.org/wiki/Fibbonaci_Series

The method called fib() calls itself in certain cases, and does not call itself in other cases (known as base cases).