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Return a “NULL” object if search result not found

I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in Java, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in...
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Detect Click into Iframe using JavaScript

I understand that it is not possible to tell what the user is doing inside an iframe if it is cross domain. What I would like to do is track if the user clicked at all in the iframe . I imagine a scenario where there is an invisible div on top of the iframe and the the div will just then ...
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What is “with (nolock)” in SQL Server?

Can someone explain the implications of using with (nolock) on queries, when you should/shouldn't use it? 16 Answers ...
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How to remove a web site from google analytics

I am Administrator of several web sites on google analytics. 10 Answers 10 ...
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What exactly is an Assembly in C# or .NET?

...ed output of your code, typically a DLL, but your EXE is also an assembly. It's the smallest unit of deployment for any .NET project. The assembly typically contains .NET code in MSIL (Microsoft Intermediate language) that will be compiled to native code ("JITted" - compiled by the Just-In-Time com...
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How to tell a Mockito mock object to return something different the next time it is called?

...Foo.someMethod() to return a certain value, while in another test, I want it to return a different value. The problem I'm having is that it seems I need to rebuild the mocks to get this to work correctly. I'd like to avoid rebuilding the mocks, and just use the same objects in each test. ...
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How do I download a package from apt-get without installing it? [closed]

I have a computer without a NIC , and I want to install some programs in it via USB memory, but how can I download a program from apt-get without installing it? ...
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Why can I access private variables in the copy constructor?

I have learned that I can never access a private variable, only with a get-function in the class. But then why can I access it in the copy constructor? ...
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Data structure: insert, remove, contains, get random element, all at O(1)

...e keys are the elements in the data structure, and the values are their positions in the array. insert(value): append the value to array and let i be its index in A. Set H[value]=i. remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the la...
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Fade/dissolve when changing UIImageView's image

Rather than creating two UIImageViews , it seems logical to simply change the image of one view. If I do that, is there anyway of having a fade/cross dissolve between the two images rather than an instant switch? ...