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  Significance and use of do{...}while(0)

In some Linux kernel and other open source codes, we can see some codes like below: do{ ... }while(0) This code snippet is not a loop, it seems there is no significance of using do...while this way, then why should we use it? In fact, the significance of do{...}while(0) is better than optimizing your code. After some research, we summarize some benefits of it. 1. Help define complex macro to avoid error #define DOSOMETHING()\ foo1();\ foo2(); The me...

   do{...}while(0), optimization     2012-10-21 21:13:22

  New Text-to-Speech API for Chrome extensions

Interested in making your Chrome Extension (or packaged app) talk using synthesized speech? Chrome now includes a Text-to-Speech (TTS) API that’s simple to use, powerful, and flexible for users.Let’s start with the "simple to use" part. A few clever apps and extensions figured out how to talk before this API was available – typically by sending text to a remote server that returns an MP3 file that can be played using HTML5 audio. With the new API, you just need to add "...

   TTS,Google,Speech,Text,Text to Speech     2011-10-21 08:46:41

  10 Things Beginner Developers Should Know

If you are a novice developer, it might be confusing about where you should start, because the field is broad and provides many options for you. There are so many questions you might ask yourself, such as “What programming language should I learn?” or “Should I also know front-end, or only back-end?” And I am sure there are much more than that. Well, in order for you to be able to start with an advantage against the others, I’ve decided to help you start your ...

   Advice,Software developer,Beginner     2011-12-29 01:41:04

  A simple tutorial about CSS flex property

CSS Flexbox is a layout module that makes it easier to create flexible and responsive layouts in CSS. It provides a simple and powerful way to align elements within a container and distribute space between them. To use flexbox, you need to set the display property of an element to "flex". You can do this by adding the following rule to your CSS: .container { display: flex; } The flex container will now have two main axes: the main axis and the cross axis. By default, the main axis runs horizo...

   JUSTIFY-CONTENT,FLEX,CSS     2022-12-25 06:44:34

  In defence of Objective-C

An unashamed apologist’s perspective on the loveliest language i’ve worked with.I’ve worked with a lot of programming languages in my time. Not a huge number, mind you, but enough that i can say that i’m open minded and seasoned about it. And, as they say: ‘Don’t feed the trolls’ – well, i’m about to do exactly that: feed the trolls at work who love to rag on about how awful obj-c is! So here i go, foolishly treading where no sensible...

   Apple,Objective-C,Syntax,Defense,Memory management     2011-10-17 11:28:39

  Install and setup Kafka on Windows

Kafka has become a very popular distributed message delivery service which decouples different services while making message delivery between service easy, fast and reliable. In this post, we will walk through how to install and set up Kafka on Windows. Pre-requisite Java Apache ZooKeeper Installation Go to Kafka's download link and download the latest stable release, we downloaded 2.2.0 as of this writing. After downloading, copy the installation file to some folder and unzip it.  Sinc...

   KAFKA,STREAM,USER GUIDE     2019-06-01 02:12:07

  10 Secrets of Successful Leaders

Eleanor Roosevelt once said, “A good leader inspires people to have confidence in the leader, a great leader inspires people to have confidence in themselves.” But, becoming a great leader isn’t easy. Successfully maneuvering a team through the ups and downs of starting a new business can be one of the greatest challenges a small-business owner faces.Leadership is one of the areas that many entrepreneurs tend to overlook, according leadership coach John C. Maxwell, whose books...

   Leader,Skill,Calm,Trust,Involvement     2011-11-03 03:36:56

  the Performance Golden Rule

Yesterday I did a workshop at Google Ventures for some of their portfolio companies. I didn’t know how much performance background the audience would have, so I did an overview of everything performance-related starting with my first presentations back in 2007. It was very nostalgic. It has been years since I talked about the best practices from High Performance Web Sites. I reviewed some of those early tips, like Make Fewer HTTP Requests, Add an Expires Header, and Gzip Components. ...

   Web design,Golden rule,Performance     2012-02-17 07:51:09

  10gen provides free training courses for MongoDB

MongoDB is an open source document oriented database, developed with C++, it is to solve some real problems existing among development communities. In October 2007, MongoDB development began at 10gen, in 2009, MongoDB was open sourced as a standalone product. 10gen provides technical support, training and consultancy service. According to 10gen education, 10gen will provide some training courses for MongoDB starting from 22 October, 2012. Now it's available for registration. There are two cours...

   MongoDB,10gen,training,course,free     2012-09-20 22:51:43

  Strangest line of python you have ever seen

The other day @HairyFotr and @zidarsk8 were doing some codegolfing with implementations of nondeterministic finite state machineand asked me to blog their results.For those of us who often forget what all of this computer science mumbo jumbo means, here’s a quick explanation from wikipedia:In the theory of computation, a nondeterministic finite state machine or nondeterministic finite automaton (NFA) is a finite state machin...

   Python,Strange,Research,Work rationale     2011-11-19 02:05:03

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