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How to fix committing to the wrong Git branch?
I just made a perfectly good commit to the wrong branch.
How do I undo the last commit in my master branch and then take those same changes and get them into my upgrade branch?
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
I am using Xcode 5's Asset Catalog, and I would like to use my LaunchImage as the background image of my home view (a pretty common practice to make the transition from 'loading' to 'loaded' look smooth).
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How to initialize const member variable in a class?
When I am trying to initialize the const member variable t with 100. But it's giving me the following error:
11 Answers
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Does the default constructor initialize built-in types?
...he memory for them.
If what you wanted to know is whether or not they are set to something sane like 0 for ints, then the answer is "no".
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Difference between pre-increment and post-increment in a loop?
Is there a difference in ++i and i++ in a for loop? Is it simply a syntax thing?
22 Answers
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json_encode() escaping forward slashes
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How to initialize all members of an array to the same value in Swift?
...ally sloooooooow, a 16MB array takes seconds to clear this way. In C , memset(p, 0, 16*1024*1024) is practically instantaneous.
– wcochran
Oct 4 '17 at 19:03
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What is the IntelliJ shortcut to create a local variable?
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C++11 features in Visual Studio 2012
A preview version of Visual Studio 2012 (the next version after VS2010) is now available .
7 Answers
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Round a double to 2 decimal places [duplicate]
...ntException();
BigDecimal bd = BigDecimal.valueOf(value);
bd = bd.setScale(places, RoundingMode.HALF_UP);
return bd.doubleValue();
}
Note that HALF_UP is the rounding mode "commonly taught at school". Peruse the RoundingMode documentation, if you suspect you need something else such a...