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Sequence contains more than one element

...c int GetPackage(int id,int emp) { int getpackages=Convert.ToInt32(EmployerSubscriptionPackage.GetAllData().Where(x => x.SubscriptionPackageID ==`enter code here` id && x.EmployerID==emp ).FirstOrDefault().ID); return getpackages; } 1...
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What is the difference between bindParam and bindValue?

...iated parameter markers Example: $value = 'foo'; $s = $dbh->prepare('SELECT name FROM bar WHERE baz = :baz'); $s->bindParam(':baz', $value); // use bindParam to bind the variable $value = 'foobarbaz'; $s->execute(); // executed with WHERE baz = 'foobarbaz' or $value = 'foo'; $s = $dbh...
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Concept of void pointer in C programming

... In C, a void * can be converted to a pointer to an object of a different type without an explicit cast: void abc(void *a, int b) { int *test = a; /* ... */ This doesn't help with writing your function in a more generic way, though. You...
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How to select first parent DIV using jQuery?

... Use .closest() to traverse up the DOM tree up to the specified selector. var classes = $(this).parent().closest('div').attr('class').split(' '); // this gets the parent classes. share | ...
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Error “The connection to adb is down, and a severe error has occurred.”

... I solved my issue. I go to Task Manager in windows7 -> processes -> selected the adb.exe -> End Process. After that I go to cmd prompt and type adb start-server. This time adb statred succefully. I run eclipe and it was showing no error. – Nishant Apr...
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Ensuring json keys are lowercase in .NET

... a custom contract resolver for this. The following contract resolver will convert all keys to lowercase: public class LowercaseContractResolver : DefaultContractResolver { protected override string ResolvePropertyName(string propertyName) { return propertyName.ToLower(); } } ...
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Monad in plain English? (For the OOP programmer with no FP background)

...To clarify the kind of understanding I was looking for, let's say you were converting an FP application that had monads into an OOP application. What would you do to port the responsibilities of the monads into the OOP app? Most OOP languages do not have a rich enough type system to represent the ...
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iOS 5 Best Practice (Release/retain?)

... @Dan: You're not joking it can be selectively turned off? Please give a link, that is important to me! :D – sudo rm -rf Jun 10 '11 at 15:43 ...
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How to customize ?

...ated via the label. If you want to display the user’s chosen path after selection, you can listen for the change event with JavaScript and then read the path that the browser makes available to you (for security reasons it can lie to you about the exact path). A way to make it pretty for the end ...
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What is the difference between Non-Repeatable Read and Phantom Read?

...e query have the same value before and after, but different rows are being selected (because B has deleted or inserted some). Example: select sum(x) from table; will return a different result even if none of the affected rows themselves have been updated, if rows have been added or deleted. In ...