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  C Macro Tips and Tricks

Preprocessor vs Compiler To properly understand C macros, you must understand how a C program is compiled. In particular, you must understand the different things that happen in the preprocessor and in the compiler. The preprocessor runs first, as the name implies. It performs some simple textual manipulations, such as: Stripping comments. Resolving #include directives and replacing them with the contents of the included file. Evaluating #if and #ifdef directives. Evaluating #defin...

   C,Macro,Preprocessor,Trick     2012-05-01 06:49:05

  Signs that you're a bad programmer

1. Inability to reason about codeReasoning about code means being able to follow the execution path ("running the program in your head") while knowing what the goal of the code is.SymptomsThe presence of "voodoo code", or code that has no effect on the goal of the program but is diligently maintained anyway (such as initializing variables that are never used, calling functions that are irrelevant to the goal, producing output that is not used, etc.)Executing idempotent functions multiple times (...

   Sign,Programmer,Characteristics,Knowledge,Skill     2011-10-20 08:56:16

  When and Where to Use Pointers in Go

When declaring variables in Go, we usually have two syntax options: In some scenarios, pointers; in others, reference; sometimes, either. It’s great to have choices, but it is also confusing sometimes as to which one in which scenario. To be more reasonable in choice-making, I started from pointers, walked through their natures, and summarized some rules in using them in Go. from unsplash, Jordan Ladikos Pointers Go has pointers. A pointer holds the memory address of a ...

   POINTER,GOLANG     2022-05-01 02:24:43

  CSS and HTML5 responsive images

With the popularity of Retina screen, the requirement of the images in the webpages is higher. How to make sure the image still clear while enlarging twice on retina screen? This brings much trouble to web developers, the good news is CSS3 and HTML5 is trying to change this, we can use response image. What is responsive image? It means user agent loads different images according to different resolutions of output devices, it will not waste bandwidth as well. In addition, it can load respective ...

   CSS3, HTML5,image-set,responsive image     2013-03-10 03:30:07

  What is goroutine?

Casual Talk Golang is quite enjoyable to write, aside from the tedious if err != nil checks. One of the fundamental reasons for the joy is goroutine, a core feature of Golang. Understanding goroutines in detail is worthwhile, as they contribute significantly to the pleasure of working with Golang. So, let's talk about goroutines, hoping to provide some insights to the readers. TL;DR: We'll start by talking about assembling a computer, then delve into some concepts of the operating system, such ...

   EXPLANATION,GOLANG,GOROUTINE     2024-01-21 03:26:10

  A Month With Scala

Although I’ve played around with Scala for the few months, these efforts largely involved simple scripts and casual reading. It wasn’t until last month that the opportunity to use Scala in a large scale project finally arose and I dove right in. The project was a typical REST based web service built on top of Amazon’s Elastic Beanstalk, SimpleDB, S3 and Redis*. First off let’s talk about why I chose Scala in the first place. After spending a good deal of my las...

   Scala,Functional,OOP,Java,Iteration     2011-12-10 06:03:23

  The Web: Important Events in its History

Straight forward simple fact of the functioning evening: The netting is normally not the same element as appearing the world vast world wide web. Brain damaged, correct? Related to the Included Press Stylebook, the “Net is normally a decentralized, world-wide web 2 . 0 of pcs that may talk with every solo diverse. The Environment Huge World wide web, like announcements, is usually normally a subset of the World wide web.” If the web is not really the internet, then what is it? The c...

       2019-06-03 00:06:00

  Info -> Design -> Build

First who we are: account managers and business developers at web design agencies. This process is geared towards bigger agencies, however it can be applied to freelance and smaller shops in theory.The important piecesWeb design projects tend to be unique in nature, however it is important to have a basic process that can be applied in most cases. This process is executed in a linear fashion starting with information and ending in code, but requires iteration loops at each step.Information ...

   Webdesign,Content,Info,Design,Build,Process     2011-11-13 08:25:21

  What do programmers really do?

Computers are useless. They can only give you answers. â€“ PicassoMany people (including my mother-in-law) think that computers are becoming so smart that programmers will be no longer needed in the near future. Other people think that programmers are geniuses who constantly solve sophisticated math puzzles in front of their monitors. Even many programmers don’t have clear idea what they do.In this post I want to provide some explanation to uninformed people what programmers rea...

   Programmer,Work,Computer     2011-05-20 11:49:32

  Python object creation sequence

[The Python version described in this article is 3.x] This article aims to explore the process of creating new objects in Python. As I explained in a previous article, object creation is just a special case of calling a callable. Consider this Python code: class Joe: pass j = Joe() What happens when j = Joe() is executed? Python sees it as a call to the callable Joe, and routes it to the internal function PyObject_Call, with Joe passed as the first argument. PyObject_Call looks at the ty...

   Python,Object creation     2012-04-16 15:03:55

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