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Constructors in Go
I have a struct and I would like it to be initialised with some sensible default values.
11 Answers
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When should I use C++14 automatic return type deduction?
...11 raises similar questions: when to use return type deduction in lambdas, and when to use auto variables.
The traditional answer to the question in C and C++03 has been "across statement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit w...
What does “where T : class, new()” mean?
...constraint on the generic parameter T. It must be a class (reference type) and must have a public parameter-less default constructor.
That means T can't be an int, float, double, DateTime or any other struct (value type).
It could be a string, or any other custom reference type, as long as it has ...
Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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Hibernate error - QuerySyntaxException: users is not mapped [from users]
I'm trying to get a list of all the users from "users" table and I get the following error:
18 Answers
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Cutting the videos based on start and end time using ffmpeg
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Alright, to convert .mkv to .mp4 you have to use another command: ffmpeg -i movie.mkv -vcodec copy -acodec copy converted_movie.mp4 and vise versa
– Vlad Hudnitsky
Oct 30 '17 at 9:13
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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What is the Difference Between read() and recv() , and Between send() and write()?
What is the difference between read() and recv() , and between send() and write() in socket programming in terms of performances, speed and other behaviors?
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How to draw a line in android
Can anybody tell how to draw a line in Android, perhaps with an example?
15 Answers
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Is it OK to use == on enums in Java?
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Just my 2 cents: Here is the code for Enum.java, as published by Sun, and part of the JDK:
public abstract class Enum<E extends Enum<E>>
implements Comparable<E>, Serializable {
// [...]
/**
* Returns true if the specified object is equal to this
* enu...