Recent questions tagged language

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language agnostic - Fluent Interfaces - Method Chaining

Method chaining is the only way I know to build fluent interfaces. Here's an example in C#: John ... language/platform/technology is needed? 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's the best name for a non-mutating "add" method on an immutable collection?

Sorry for the waffly title - if I could come up with a concise title, I wouldn't have to ask the ... self-descriptive as ImmutableList<T> :) 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 invariant?

The word seems to get used in a number of contexts. The best I can figure is that they mean a variable that can' ... (darn you Java!) are for? 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 right for a constructor to throw an exception?

When is it right for a constructor to throw an exception? (Or in the case of Objective C: when is ... called meaningfully? Is that reasonable? 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 is writing a closed TCP socket worse than reading one?

When you read a closed TCP socket you get a regular error, i.e. it either returns 0 indicating EOF or -1 ... TCP socket worse than reading 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 - Why does division by zero in IEEE754 standard results in Infinite value?

I'm just curious, why in IEEE-754 any non zero float number divided by zero results in infinite value? It's a ... reasons. So what's the point? 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 - Conditional logging with minimal cyclomatic complexity

After reading "What's your/a good limit for cyclomatic complexity?", I realize many of my colleagues were quite ... for all the suggestions :) 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 - Making a system call that returns the stdout output as a string

Perl and PHP do this with backticks. For example, $output = `ls`; Returns a directory listing. A similar function, ... I could coin "syslurp".) 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 to use unsigned values over signed ones?

When is it appropriate to use an unsigned variable over a signed one? What about in a for loop? I hear ... decision on Sun Microsystems' part. 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 to calculate distance from a point to a line segment, on a sphere?

I have a line segment (great circle part) on earth. The line segment is defined by the coordinates ... reasonable programming language will do. 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 do I assess the hash collision probability?

I'm developing a back-end application for a search system. The search system copies files to a temporary ... values mean equal file contents? 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 to terminate a program when it crashes? (which should just fail a unit test instead of getting stuck forever)

Our unit tests fire off child processes, and sometimes these child processes crash. When this happens, a Windows ... to also have this effect. 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 using a lot of static methods a bad thing?

I tend to declare as static all the methods in a class when that class doesn't require to keep track of ... that a reasonable approach or not? See Question&Answers more detail:os...

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

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664 views

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language agnostic - Anemic Domain Model: Pros/Cons

I would like to know what the pros and cons are for using an Anemic Domain Model (see link below). Fowler Article See Question&Answers more detail:os...

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

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651 views

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language agnostic - Are circular class dependencies bad from a coding style point of view?

Are circular class dependencies bad from a coding style point of view? Example: In a database application we have ... ? Are there any drawbacks? See Question&Answers more detail:os...

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

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725 views

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language agnostic - Difference between parameter and argument

This question already has answers here: Question&Answers:os...

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

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761 views

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language agnostic - Asynchronous vs Multithreading - Is there a difference?

Does an asynchronous call always create a new thread? What is the difference between the two? Does an asynchronous ... on single threads? How is this possible? Question&Answers:os...

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

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646 views

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language design - Why is "final" not allowed in Java 8 interface methods?

One of the most useful features of Java 8 are the new default methods on interfaces. There are essentially two ... final) never made it to Java 8 interfaces? Question&Answers:os...

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

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719 views

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language agnostic - Best general SVN Ignore Pattern?

What is the best (or as good as possible) general SVN ignore pattern to use? There are a number of ... for other Version Control Systems (VCS) as well. Question&Answers:os...

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

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766 views

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language agnostic - What is an integer overflow error?

What is an integer overflow error? Why do i care about such an error? What are some methods of avoiding or preventing it? Question&Answers:os...

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

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651 views

1 answer

language design - Why don't PHP attributes allow functions?

I'm pretty new to PHP, but I've been programming in similar languages for years. I was flummoxed by the ... " or sloppy implementation? What's the rationale? Question&Answers:os...

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

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763 views

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language agnostic - Why does cache locality matter for array performance?

In the following blog there is a statement about the advantage of arrays over linked lists: Arrays have ... locality can provide a huge performance benefit. Question&Answers:os...

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

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690 views

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language agnostic - Under what circumstances are linked lists useful?

Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. ... - not only informative, but quite entertaining as well. Question&Answers:os...

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

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772 views

1 answer

language design - Why does Ruby have both private and protected methods?

Before I read this article, I thought access control in Ruby worked like this: public - can be accessed ... want your method called with an explicit receiver? Question&Answers:os...

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

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696 views

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language agnostic - How can I find the difference between two angles?

Given 2 angles in the range -PI -> PI around a coordinate, what is the value of the smallest of ... the smaller angles value, taking into account the rollover Question&Answers:os...

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

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851 views

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language agnostic - Buffered vs unbuffered IO

I learned that by default I/O in programs is buffered, i.e they are served from a temporary storage to the ... and when should one be used over the other? Question&Answers:os...

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

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795 views

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language agnostic - Solving "Who owns the Zebra" programmatically?

Edit: this puzzle is also known as "Einstein's Riddle" The Who owns the Zebra (you can try the online version here ... they smoke Blend. ...who owns the Zebra? Question&Answers:os...

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

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690 views

1 answer

language lawyer - Why are CSS named grid areas not in quotes?

According to the spec, the value for grid-area is grid-line, which further uses custom-ident. Then MDN states that ... <span class="hello">hello</span> </div> Question&Answers:os...

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

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