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What is the difference between const_iterator and non-const iterator in the C++ STL?
What is the difference between a const_iterator and an iterator and where would you use one over the other?
7 Answers
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How to set time delay in javascript
I have this a piece of js in my website to switch images but need a delay when you click the image a second time. The delay should be 1000ms. So you would click the img.jpg then the img_onclick.jpg would appear. You would then click the img_onclick.jpg image there should then be a delay of 1000ms be...
Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
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Bootstrap css hides portion of container below navbar navbar-fixed-top
I am building a project with Bootstrap and im facing little issue .I have a container below the Nav-top.My issue is that some portion of my container is hidden below the nav-top header.I dont want to use top-margin with container. Pls see below html in which im facing the issue
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How to Set focus to first text input in a bootstrap modal after shown
I load a dynamic bootstrap modal and it contains few text inputs. The issue i face that i want the cursor to focus on the first input in this modal, and this is not happening by default.
So i wrote this code to do it:
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What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
8 Answers
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throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
How to implement an android:background that doesn't stretch?
I found this great thread describing how to "eat the cake and have it too", i.e. use image for a Button instead of ImageButton (which doesn't allow SetText() , resizing, etc.).
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What scalability problems have you encountered using a NoSQL data store? [closed]
NoSQL refers to non-relational data stores that break with the history of relational databases and ACID guarantees. Popular open source NoSQL data stores include:
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