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language agnostic - What is Cyclomatic Complexity?

A term that I see every now and then is "Cyclomatic Complexity". Here on SO I saw some Questions about "how ... there some deeper concept to 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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523 views

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language agnostic - Main concepts in OOP

I was once asked in an interview 'What are the 3 main concepts of OOP?'. I answered by saying that ... Abstraction Polymorphism Was I correct? See Question&Answers more detail:os...

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

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569 views

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language agnostic - Proportional image resize

I'm having a little bit of a problem scaling my images to a properly predefined size. I was wondering - ... way to scale images proportionally. See Question&Answers more detail:os...

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

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641 views

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language history - Uppercase Booleans vs. Lowercase in PHP

When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and ... to NULL and null as well. See Question&Answers more detail:os...

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

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559 views

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language agnostic - What is the difference between signed and unsigned variables?

I have seen these mentioned in the context of C and C++, but what is the difference between signed and unsigned variables? See Question&Answers more detail:os...

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

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532 views

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language agnostic - Data structure for storing recurring events?

I'm looking for a data structure pattern for storing recurring events, but everything I came up with would result in a ... hours for a week ... See Question&Answers more detail:os...

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

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534 views

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language agnostic - Observer Design Pattern vs "Listeners"

It seems to me that the Observer design pattern as described in GOF is really the same thing as Listeners found in ... , not a language answer.) See Question&Answers more detail:os...

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

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604 views

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language agnostic - O(N log N) Complexity - Similar to linear?

So I think I'm going to get buried for asking such a trivial question but I'm a little confused about ... 1) increases linearly? Thanks, Gav See Question&Answers more detail:os...

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

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552 views

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language agnostic - Literature and tutorials for writing a ray tracer

I am interested in finding recommendations on books on writing a raytracer, simple and clear implementations of ... starting from the basics. See Question&Answers more detail:os...

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

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470 views

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language agnostic - Algorithm improvement for enumerating binary trees

Currently I can enumerate rooted planar unlabeled binary trees using the following brute-force Prolog code. e --> u | b | t. u ... Prolog output ?- length(Ls, N), phrase(e, Ls). L...

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

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441 views

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language features - Is the order of fields in a javascript object predictable when looping through them?

In php, if you have the following code: $map = array( "first" => 1, "second" => 2 ); $map["third"] = 3 ... - for ( in ) loop in javascript See Question&Answers more detail:os...

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

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538 views

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language design - What's the point of unary plus operator in Ruby?

Apart from making a nice symmetry with unary minus, why is unary plus operator defined on Numeric class? Is ... already defined on Ruby numbers? See Question&Answers more detail:os...

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

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530 views

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language lawyer - Limit on the number of arguments to main in C

Is there a limit on the number of arguments that we pass to main() in C? As you all know, it is defined as ... may supply to main() in this way? See Question&Answers more detail:os...

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

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533 views

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language agnostic - Why do you not declare several variables of the same type on the same line?

Why is it bad practice to declare variables on one line? e.g. private String var1, var2, var3 instead of: ... String var2; private String var3; See Question&Answers more detail:os...

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

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715 views

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language design - Why can't C# member names be the same as the enclosing type name?

In C#, the following code doesn't compile: class Foo { public string Foo; } The question is: why? More exactly ... that prevents me to do that? See Question&Answers more detail:os...

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

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468 views

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language agnostic - Split a string ignoring quoted sections

Given a string like this: a,"string, with",various,"values, and some",quoted What is a good algorithm to split ... , and some", "quoted" ] See Question&Answers more detail:os...

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

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455 views

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language agnostic - What is the safest way to run an executable on Linux?

I am trying to run a program compiled from C code from an unknown source. I want to make sure that the program ... we can call a "sandbox". See Question&Answers more detail:os...

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

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535 views

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language agnostic - How can I create a SEO friendly dash-delimited url from a string?

Take a string such as: In C#: How do I add "Quotes" around string in a comma delimited list of strings? ... , should there be a minimum length? See Question&Answers more detail:os...

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

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591 views

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language agnostic - Peak finding algorithm

I recently started looking at MIT's 6.006 lectures and in the first lecture the instructor presented peak- ... Introduction to Algorithm book. See Question&Answers more detail:os...

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

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507 views

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language agnostic - Pseudo-random number generator

What is the best way to create the best pseudo-random number generator? (any language works) See Question&Answers more detail:os...

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

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557 views

1 answer

language agnostic - Integer vs String in database

When defining datatypes in a database, I have always had a problem with choosing whether to use integers or ... torrent? Integer or string? See Question&Answers more detail:os...

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

0 votes

596 views

1 answer

language agnostic - HTTP: Generating ETag Header

How do I generate an ETag HTTP header for a resource file? See Question&Answers more detail:os...

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

0 votes

623 views

1 answer

language agnostic - Using regex to add leading zeroes

I would like to add a certain number of leading zeroes (say up to 3) to all numbers of a string. For ... all answers are worth giving a read. See Question&Answers more detail:os...

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

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518 views

1 answer

language agnostic - algorithm to determine minimum payments amongst a group

The Problem I was recently asked to calculate the money owed amongst a group of people who went on a trip ... that still satisfy the constraint. See Question&Answers more detail:os...

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

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542 views

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language agnostic - Algorithm for iterating over an outward spiral on a discrete 2D grid from the origin

For example, here is the shape of intended spiral (and each step of the iteration) y | | 16 15 14 13 12 17 ... is no upper bound to grid size. See Question&Answers more detail:os...

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

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468 views

1 answer

language design - Why no stored type properties for classes in swift?

Working through The Swift Programming Language, I was surprised to see that, unlike structures and enumerations, classes ... (minor) left out. See Question&Answers more detail:os...

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

0 votes

541 views

1 answer

language agnostic - Linear time majority algorithm?

Can anyone think of a linear time algorithm for determining a majority element in a list of elements? The ... Please check the accepted answer. See Question&Answers more detail:os...

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

0 votes

459 views

1 answer

language agnostic - Why do most system architects insist on first programming to an interface?

Almost every Java book I read talks about using the interface as a way to share state and behaviour between ... just extend an abstract class? See Question&Answers more detail:os...

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

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