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Is there any use for unique_ptr with array?
std::unique_ptr has support for arrays, for instance:
17 Answers
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What's the difference between a single precision and double precision floating point operation?
What is the difference between a single precision floating point operation and double precision floating operation?
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How do I represent a hextile/hex grid in memory?
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Amit Patel has posted an amazing page on this topic. It's so comprehensive and wonderful that it needs to be the definitive answer to this question: Hexagonal Grids
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Cosmic Rays: what is the probability they will affect a program?
Once again I was in a design review, and encountered the claim that the probability of a particular scenario was "less than the risk of cosmic rays" affecting the program, and it occurred to me that I didn't have the faintest idea what that probability is.
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ADB Shell Input Events
What is the basic difference between adb shell input keyevent and adb shell sendevent ? Which one should I use for inputting a character? Are the keycodes the same that we pass to both the commands?
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Determine if Android app is being used for the first time
I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched.
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When to use RSpec let()?
...blocks to set instance variables. I then use those variables across my examples. I recently came upon let() . According to RSpec docs, it is used to
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Why are function pointers and data pointers incompatible in C/C++?
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
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Best way to store time (hh:mm) in a database
...ours and minutes.
I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need?
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Get an object properties list in Objective-C
...t a list (in the form of an NSArray or NSDictionary ) of a given object properties in Objective-C?
13 Answers
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