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Responsive image align center bootstrap 3

I do a catalog using Bootstrap 3. When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem? ...
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How to convert DateTime to/from specific string format (both ways, e.g. given Format is “yyyyMMdd”)?

I am having a problem converting a datetime which is in string format but I am not able to convert it using "yyyyMMdd" format. ...
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?

I've been digging through some parts of the Linux kernel, and found calls like this: 10 Answers ...
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How to escape double quotes in a title attribute

I am trying to use a string that contains double quotes in the title attribute of an anchor. So far I tried these: 8 Answer...
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Finding sum of elements in Swift array

What is the easiest (best) way to find the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples. ...
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What's the need of array with zero elements?

In the Linux kernel code I found the following thing which I can not understand. 5 Answers ...
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How can I format a number into a string with leading zeros?

I have a number that I need to convert to a string. First I used this: 10 Answers 10 ...
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C++ deprecated conversion from string constant to 'char*'

I have a class with a private char str[256]; 11 Answers 11 ...
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How to tell a Mockito mock object to return something different the next time it is called?

So, I'm creating a mock object as a static variable on the class level like so... In one test, I want 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 ...
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Make a div fill up the remaining width

How can I make a div fill up the remaining width? 7 Answers 7 ...