Recent questions tagged coding

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coding style - Writing robust R code: namespaces, masking and using the `::` operator

Short version For those that don't want to read through my "case", this is the essence: What is the recommended ... sure there's more to say. See Question&Answers more detail:os...

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

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620 views

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coding style - Iterate through a C++ Vector using a 'for' loop

I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I ... in C++? Is it bad practice? See Question&Answers more detail:os...

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

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coding style - Javascript document write overwriting page?

I'm very new with javascript. I'm trying to create a tag using document.write (with Wordpress) to add a style ... m a novice. 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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coding style - Python import mechanics

I have two related Python 'import' questions. They are easily testable, but I want answers that are language-defined and ... .B; import A.B.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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coding style - Why do most fields (class members) in Android tutorial start with `m`?

I know about camel case rules, but I'm confused with this m rule. What does it stand for? I'm a PHP ... a Java thing? Does it stand for mobile? mixed? Question&Answers:os...

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

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547 views

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coding style - "C" sizeof with a type or variable

Recently saw someone commending another user on their use of sizeof var instead of sizeof(type). I always ... can easily be confused for a multiplication. Question&Answers:os...

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

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630 views

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coding style - What does this "(function(){});", a function inside brackets, mean in javascript?

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

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686 views

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coding style - How to break a line of chained methods in Python?

I have a line of the following code (don't blame for naming conventions, they are not mine): subkeyword ... way of breaking it (preferably without backslashes)? Question&Answers:os...

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

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643 views

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coding style - Haskell function composition (.) and function application ($) idioms: correct use

I have been reading Real World Haskell, and I am nearing the end, but a matter of style has been niggling at me ... and I shouldn't be worrying about it at all? Question&Answers:os...

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

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634 views

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coding style - Python `if x is not None` or `if not x is None`?

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

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546 views

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coding style - c#: difference between "System.Object" and "object"

In C#, is there any difference between using System.Object in code rather than just object, or System.String ... why one form is preferrable to the other? Question&Answers:os...

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

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635 views

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coding style - What does the dot mean in R – personal preference, naming convention or more?

I am (probably) NOT referring to the "all other variables" meaning like var1~. here. I was pointed to plyr once ... miss a trick that's long been done before. Question&Answers:os...

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

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572 views

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coding style - Opaque C structs: various ways to declare them

I've seen both of the following two styles of declaring opaque types in C APIs. What are the various ways to declare opaque ... c struct _foo { int x; int y; }; Question&Answers:os...

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

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571 views

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coding style - Is it ok if I omit curly braces in Java?

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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588 views

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coding style - Why does one often see "null != variable" instead of "variable != null" in C#?

In c#, is there any difference in the excecution speed for the order in which you state the condition? if (null ... , what is the advantage of the first one? Question&Answers:os...

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

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679 views

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coding style - Stand-alone Java code formatter/beautifier/pretty printer?

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

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538 views

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coding style - Using "super" in C++

My style of coding includes the following idiom: class Derived : public Base { public : typedef Base super; // note ... his answer twice, but I guess I can't. Question&Answers:os...

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

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601 views

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coding style - Is it a good practice to place C++ definitions in header files?

My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp ... , somewhat common, uncommon, or bug-out crazy? Question&Answers:os...

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

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639 views

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coding style - Vim 80 column layout concerns

The way I do 80-column indication in Vim seems incorrect:set columns=80. At times I also set textwidth, but I ... want to set numbers, vertically split, etc.? Question&Answers:os...

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

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746 views

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coding style - What's the deal with a leading underscore in PHP class methods?

While looking over various PHP libraries I've noticed that a lot of people choose to prefix some class ... insights and/or opinions would be appreciated. Question&Answers:os...

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

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614 views

1 answer

coding style - Is it bad to explicitly compare against boolean constants e.g. if (b == false) in Java?

Is it bad to write: if (b == false) //... while (b != true) //... Is it always better to instead write: ... name b is just used as an example, ala foo and bar. Question&Answers:os...

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

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634 views

1 answer

coding style - Why should a function have only one exit-point?

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

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739 views

1 answer

coding style - What is the standard Python docstring format?

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

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797 views

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coding style - Java - when to use 'this' keyword

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

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599 views

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coding style - Why do some scripts omit the closing PHP tag, '?>'?

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

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834 views

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coding style - Is it a bad practice to use an if-statement without curly braces?

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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630 views

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coding style - JavaScript: What dangers are in extending Array.prototype?

Google JavaScript Style Guide advises against extending the Array.prototype. However, I used Array.prototype.filter = ... that made Google advise against it? Question&Answers:os...

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

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572 views

1 answer

coding style - When is JavaScript's eval() not evil?

I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula ... , when it is OK to use it? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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