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Perform Segue programmatically and pass parameters to the destination view
...de on how to do what you are asking. In this case I am passing data from a selected cell in a table view to another view controller.
in the .h file of the trget view:
@property(weak, nonatomic) NSObject* dataModel;
in the .m file:
@synthesize dataModel;
dataModel can be string, int, or lik...
When to use CouchDB over MongoDB and vice versa
...
Ask this questions yourself? And you will decide your DB selection.
Do you need master-master? Then CouchDB. Mainly CouchDB supports master-master replication which anticipates nodes being disconnected for long periods of time. MongoDB would not do well in that environment.
Do yo...
Tuples( or arrays ) as Dictionary keys in C#
...sonId: 4, LocationId: 9, SubjectId: 10), "XYZ");
var personIds = dict.Keys.Select(k => k.PersonId).Distinct().ToList();
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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
...rence in certain circumstances.
So use WITH (NOLOCK) if the current data selected is allowed to be incorrect, as it might be rolled back later. This is mostly used when you want to increase performance, and the requirements on your application context allow it to take the risk that inconsistent da...
Object-orientation in C
...ject at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping others, creating new hybrid types. Just be careful to create a new vtable instead of modifying the global vtable, otherwise you'll accidentally affect all object...
LINQ to Entities case sensitive comparison
...om c In db.Users Where c.Username = UserName AndAlso c.Password = Password Select c).SingleOrDefault()
If oUser IsNot Nothing Then
If oUser.Password = Password Then
bLogin = True
End If
End If
Basically, first checking if there is a user with required criteria, ...
What is the best workaround for the WCF client `using` block issue?
...e of the channel factory and channel. ExceptionHandlingProxy respects your selections in the Add Service Reference dialog with respect to asynchronous methods and collection types.
Codeplex has a project called Exception Handling WCF Proxy Generator. It basically installs a new custom tool to Visu...
Purpose of Unions in C and C++
... @legends2k: any decent optimizer will recognize bitwise operations that select an entire byte and generate code to read/write the byte, same as the union but well-defined (and portable). e.g. uint8_t getRed() const { return colour & 0x000000FF; } void setRed(uint8_t r) { colour = (colour &...
jQuery equivalent of JavaScript's addEventListener method
...ent handler directly to
elements. Handlers are attached to the currently selected elements in
the jQuery object, so those elements must exist at the point the call
to .bind() occurs. For more flexible event binding, see the discussion
of event delegation in .on() or .delegate().
The docume...
When is each sorting algorithm used? [closed]
...s O(N^2), it has a very small constant and is a stable sort.
Bubble sort, selection sort: When you're doing something quick and dirty and for some reason you can't just use the standard library's sorting algorithm. The only advantage these have over insertion sort is being slightly easier to impl...