Recent questions tagged language

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language agnostic - How can you emulate recursion with a stack?

I've heard that any recursive algorithm can always be expressed by using a stack. Recently, I've been working on ... into a stack-based one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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language agnostic - General approach to reading lnk files

Several frameworks and languages seem to have lnk file parsers (C#, Java, Python, certainly countless others), to ... a Windows API for this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

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language lawyer - Do reserved words need to be quoted when set as property names of JavaScript objects?

Given an object literal, or jQuery(html, attributes) object, does any specification state that reserved words, or future ... min.js"> </script> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language features - ForEach loop in Mathematica

I'd like something like this: each[i_, {1,2,3}, Print[i] ] Or, more generally, to destructure arbitrary stuff ... for it) threw me for a loop. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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516 views

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language agnostic - linear simulation of multidimensional array

I know how to simulate a 2d array in a linear array using [x + y * width] as a linear index. I ... 'm looking for a language-agnostic answer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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399 views

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language agnostic - Some (anti-)patterns on using assert (Java, and others)

Finally, I have a question to ask on Stack Overflow! :-) The main target is for Java but I believe it is ... gotchas I missed here? (probably!) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Does the last element in a loop deserve a separate treatment?

When reviewing, I sometimes encounter this kind of loop: i = begin while ( i != end ) { // ... do ... are aware of upfront, at coding time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

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language agnostic - Should I always/ever/never initialize object fields to default values?

Code styling question here. I looked at this question which asks if the .NET CLR will really always initialize ... set somewhere else, etc. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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language agnostic - Is there any self-improving compiler around?

I am not aware of any self-improving compiler, but then again I am not much of a compiler-guy. Is there ... compilers. ... hence my question. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

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language agnostic - What Does "Overloaded"/"Overload"/"Overloading" Mean?

What does "Overloaded"/"Overload" mean in regards to programming? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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language agnostic - How do you normalize a zero vector

Suppose you have a function 'normalize' which takes a list of numbers (representing a vector) as input and ... of its components is zero? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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language design - Why are there two assignment operators, `<-` and `->` in R?

I know how to use <- and ->, and there are several writeups on the difference between equals ... the forward-arrow assignment operator. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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499 views

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language agnostic - What is "vendoring"?

What is "vendoring" exactly? How would you define this term? Does it mean the same thing in different ... looking at the exact implementation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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language agnostic - Getting a specific digit from a ratio expansion in any base (nth digit of x/y)

Is there an algorithm that can calculate the digits of a repeating-decimal ratio without starting at the ... through 2147484700th places. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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485 views

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language agnostic - Design pattern to use instead of multiple inheritance

Coming from a C++ background, Im used to multiple inheritance. I like the feeling of a shotgun squarely aimed at my ... in C#/Java and the like? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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601 views

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language agnostic - How to store a symmetric matrix?

Which is the best way to store a symmetric matrix in memory? It would be good to save half of the space without ... [y] == matrix[y][x] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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461 views

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language agnostic - What is the advantage of having this/self pointer mandatory explicit?

What is the advantage of having this/self/me pointer mandatory explicit? According to OOP theory a method is ... seems counter intuitive to me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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488 views

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language agnostic - Purpose of private members in a class

What are the purposes of having private/protected members of a class/structure in object-oriented programming? What' ... all members be public? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

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language agnostic - Paint me a Rainbow

How would you go about making a range of RGB colours evenly spaced over the spectral colour range? So as to look like a real rainbow. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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language agnostic - What is the fastest way to check if files are identical?

If you have 1,000,0000 source files, you suspect they are all the same, and you want to compare them what ... fastest way to compare two files? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

1 answer

language agnostic - Converting EBNF to BNF

It's been a few years since my computer-language class and so I've forgotten the finer points of BNF's ... of rules that define the translation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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language detection - PHP: How do I detect if an input string is Arabic

Is there a way to detect the language of the data being entered via the input field? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

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language agnostic - Purpose of singletons in programming

This is admittedly a rather loose question. My current understanding of singletons is that they are a class that ... would need to consider. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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461 views

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language agnostic - What is the purpose of null?

I am in a compilers class and we are tasked with creating our own language, from scratch. Currently our ... functionality that required null? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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450 views

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language agnostic - What's the term for the part of the URL after the question mark?

http://www.example.com?foo What's the term for the foo part of the URL? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

1 answer

language features - Python type() or __class__, == or is

I want to test whether an object is an instance of a class, and only this class (no subclasses). I ... someone presents evidence in contrary. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

1 answer

language agnostic - Linear Time Voting Algorithm. I don't get it

As I was reading this (Find the most common entry in an array), the Boyer and Moore's Linear Time Voting Algorithm ... problem (or doesn't it?). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

1 answer

language design - Why does Ruby have TrueClass and FalseClass instead of a single Boolean class?

I was working on serializing values when found out about this one. Ruby has a TrueClass class, and a ... a TwoClass instead of Fixnum. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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