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  Performance comparison of string concatenation in Go language

In Go language, string concatenation is an inevitable operation during development, and efficient string concatenation is crucial for improving application performance. This article will delve into several common ways of string concatenation, provide performance comparisons, and offer optimization suggestions aimed at helping developers write more efficient code. Common ways of string concatenation In Go language, common ways of string concatenation include the following: Using the + operator fo...

   COMPARISON,PERFORMANCE,STRING CONCATENATION     2024-05-13 00:33:20

  Understand GoLang WaitGroup internals and how it works

Background Before getting into the main content, let me give a brief introduction to WaitGroup and its related background knowledge. Here, the focus is on the basic usage of WaitGroup and the fundamental knowledge of system semaphores. For those who are familiar with these, you can skip this section directly. WaitGroup WaitGroup is one of the most common concurrency control techniques in Golang, and its function can be roughly compared to the join() in concurrency control of other languages' mul...

   GOLANG,WAITGROUP,SOURCE CODE     2023-04-26 08:02:01

  About C++ comma operator precedence

When learning programming language, we will always have one topic about the operator precedence. Since there are many operators can be used in one expression, there should be some rules regarding which operation can happen first so that the compiler or interpreter can handle them correctly. One rule of programming with expression is using as much as brackets as you can to avoid unexpected results. Here we refer one problem we see online about the comma operator in C++. The following program has ...

   comma,precedence     2012-11-12 10:25:00

  Google Dart? Don’t bet against JavaScript

Procotols, programming languages and operating systems all compete in a constantly evolving software ecosystem. Out of that ecosystem only a few technologies truly have staying power and survive over the long term. An example? How about Ethernet? It’s been a survivor over the last thirty years despite existing in a constantly changing landscape that’s been populated with many worthy competitors. Ethernetâ€...

   Google Dart,JavaScript,Comparison,Future     2011-12-06 09:49:39

  Getting started with C++ TR1 regular expressions

Overview This article is written for the benefit of someone familiar with regular expressions but not with the use of regular expressions in C++ via the TR1 (C++ Standards Committee Technical Report 1) extensions. Comparisons will be made with Perl for those familiar with Perl, though no knowledge of Perl is required. The focus is not on the syntax of regular expressions per se but rather how to use regular expressions to search for patterns and make replacements. Support for TR1 ext...

   Regular expression,Replace,TR1,Extension     2011-08-14 07:25:20

  JavaScript interview questions

This post will cover the JavaScript questions I have encountered and have seen during my programming career. They will mainly focus on vanilla JavaScript though there are lots of excellent frameworks out there and many people are using them in their daily work. this keyword this keyword is an very important but easy to confuse concept in JavaScript since it is always referring to the calling object of the function. 1. What will be the output of below code snippet? function User(name) { this....

   JAVASCRIPT,ALGORITHM,THIS,CLOSURE     2019-03-09 07:05:46

  How I Learned to Program

Programming is, without a doubt, the most mentally rewarding thing I've ever done. Programming taught me that life should be fun, filled with creativity, and lived to the fullest. Programming taught me that anything is possible; I can do anything I want using only my mind. Programming also taught me that learning is fun. It showed me that the more you know, the more power you have. Programming showed me that a life filled with learning is a life worth living. Programming revealed to me wh...

   Programming,Tips,Write,Practice,Interest     2012-02-04 21:37:12

  Fear of Ignorance

This past week, I was interviewing a candidate for a VP role along with two of our engineering leads. Everyone in the room excluding myself was classically “technical” – they could write code, had experience solving hard software problems and a background in computer science. I wrote my last line of PHP in 2004, and it had to be rewritten by a real programmer within 6 months.During the interview, we had the following exchange (due to an imperfect memory, I’ll ...

   Leader,Team,Technical,Leadership,Ignorence     2011-11-21 10:03:03

  How Cloud Computing is changing the Face of Business

The world of information is getting bigger and bigger and so does the need for cloud computing is felt broadly across various industries and platforms. The ever growing popularity and adoption are due to the fact that cloud computing is efficient, reliable and secure than any other business model. However, the way cloud computing is adopted across different enterprises may vary. How cloud computing has been adopted worldwide by companies- let us have a look at few statistics that would blow you...

   CLOUD COMPUTING,SOFTWARE DEVELOPMENT,CLOUD SERVICES,CLOUD SOLUTION,SOFTWARE SOLUTIONS     2017-08-22 02:49:53

  Ten things I want Siri to be able to do for me

Now that I've had my iPhone 4S for a couple of days, I'm amazed with what Siri can do. I've asked a number of questions -- real ones, not questions like "What is the meaning of life?" -- and have been totally impressed with how my interaction with the iPhone has changed. But there are more things I'd love to be able to do with Siri, which is the reason for this post.Everyone should understand that Siri is currently a beta product from Apple. A lot of the things I'm talking about here should happ...

   Siri,iPhone 4S,AI,Tweet,Four square,Intelligent agent     2011-10-17 11:24:37

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