Recent questions tagged language

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language agnostic - When should I use Debug.Assert()?

I've been a professional software engineer for about a year now, having graduated with a CS degree. I've known ... null ) throw new exception(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - How should you build your database from source control?

There has been some discussion on the SO community wiki about whether database objects should be version controlled. ... ? More than one? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is the difference between IF-ELSE and SWITCH?

Can someone please explain this to me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is an opaque value in C++?

What is an "opaque value" in C++? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Followup: Finding an accurate "distance" between colors

Original Question I am looking for a function that attempts to quantify how "distant" (or distinct) two colors ... human vision (euclidean?) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is a Lambda?

Could someone provide a good description of what a Lambda is? We have a tag for them and they're on the ... they are in the first place. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language design - Factors in R: more than an annoyance?

One of the basic data types in R is factors. In my experience factors are basically a pain and I never use ... when I should be using factors? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Calculating a 2D Vector's Cross Product

From wikipedia: the cross product is a binary operation on two vectors in a three-dimensional Euclidean space that ... which method to use. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is eager loading?

What is eager loading? I code in PHP/JS but a more generalised answer will be just fine. I saw a lot of ... supposed to do in the first place See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language design - Why C# won't allow field initializer with non-static fields?

Why C# will allow this : public class MyClass { static int A=1; static int B=A+1; } But won't allow ... curiosity. nb didn't find any duplicate. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - When is it okay to check if a file exists?

File systems are volatile. This means that you can't trust the result of one operation to still be valid for ... a good enough rule of thumb? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is the best way to replace or substitute if..else if..else trees in programs?

This question is motivated by something I've lately started to see a bit too often, the if..else if.. ... I might have learned something today! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Why are const parameters not allowed in C#?

It looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that ... (const int val) {} .... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - What is the difference between Type and Class?

What makes a type different from class and vice versa? (In the general language-agnostic sense) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Generate colors between red and green for a power meter?

I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something. ... a bright green. Java Hue Chart: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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language agnostic - When is a do-while appropriate?

When is a do-while the better choice over other types of loops? What are some common scenarios where its better than ... but not when to use it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Is Sleep() evil?

First of all, there are many cases where Sleep() is misused, for example to "synchronize" threads or to regularily ... to be avoided like goto. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Should we compare floating point numbers for equality against a *relative* error?

So far I've seen many posts dealing with equality of floating point numbers. The standard answer to a question ... to provide a simple test. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

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language agnostic - How to deal with constructor over-injection in .NET

I'm sorry if that question was already discussed, but I didn't find exactely what I wanted. The problem I ... other advices. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Shortest distance between two line segments

I need a function to find the shortest distance between two line segments. A line segment is defined by two endpoints ... you so much for help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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