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What is the difference between Θ(n) and O(n)?
Sometimes I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different?
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How do I rename a project in Xcode 5?
...tor on the left side, click 2 x slowly and the Project file name will be editable.
Type the new name.
A sheet will appear with a warning and will list all the items Xcode 5 believes it should change.
You can probably trust it, but you should inspect it.
The list will include the info.plist and vario...
Python Git Module experiences? [closed]
What are people's experiences with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.)
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When to use ' (or quote) in Lisp?
After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
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How do I obtain crash-data from my Android application?
...m any instance of my application running on the wild so that I can improve it and make it more solid.
30 Answers
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Do unix timestamps change across timezones?
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The definition of UNIX timestamp is timezone independent. The timestamp is the number of seconds (or milliseconds) elapsed since an absolute point in time, midnight of Jan 1 1970 in UTC time. (UTC is Greenwich Mean Time without Daylig...
Returning unique_ptr from functions
unique_ptr<T> does not allow copy construction, instead it supports move semantics. Yet, I can return a unique_ptr<T> from a function and assign the returned value to a variable.
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How to remove focus around buttons on click
...e button focus style worked for me. This problem may be specific to MacOS with Chrome.
.btn:focus {
outline: none;
box-shadow: none;
}
Note though that this has implications for accessibility and isn't advised until you have a good consistent focus state for your buttons and inputs. As per th...
What are some better ways to avoid the do-while(0); hack in C++?
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It is considered acceptable practice to isolate these decisions in a function and use returns instead of breaks. While all these checks correspond to the same level of abstraction as of the function, it is quite logical appro...
Creating a copy of an object in C# [duplicate]
... built-in way. You can have MyClass implement the IClonable interface (but it is sort of deprecated) or just write your own Copy/Clone method. In either case you will have to write some code.
For big objects you could consider Serialization + Deserialization (through a MemoryStream), just to reuse...