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How to convert a std::string to const char* or char*?
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If you just want to pass a std::string to a function that needs const char* you can use
std::string str;
const char * c = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::strin...
ASP.NET MVC: No parameterless constructor defined for this object
I was following Steven Sanderson's ' Pro ASP.NET MVC Framework ' book. On page 132, in accordance with the author's recommendation, I downloaded the ASP.NET MVC Futures assembly, and added it to my MVC project. [Note: This could be a red herring.]
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CSS hexadecimal RGBA?
...y support 4 and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somew...
How to create a template function within a class? (C++)
I know it's possible to make a template function:
4 Answers
4
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How to use auto-layout to move other views when a view is hidden?
...w) and two labels (titleLabel and emailLabel). Depending on data available for each row, sometimes I want to have UIView and two labels displayed in my cell and sometimes only two labels. What I am trying to do is to set constraints that way if I set UIView property to hidden or I will remove it fro...
Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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How to grep (search) committed code in the Git history
I have deleted a file or some code in a file sometime in the past. Can I grep in the content (not in the commit messages)?
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How do I animate constraint changes?
...ting an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff.
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
UPDATE: Colin 's suggestion of removing the line //= require_tree . has fixed the issue.
13 Answers
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how to calculate binary search complexity
... the input required to search hence it is log(n) algorithm. Since I am not from a mathematics background I am not able to relate to it. Can somebody explain it in a little more detail? does it have to do something with the logarithmic series?
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