SEARCH KEYWORD -- Complicated
Example of less is more
Less is more is a very important design principle. It is as important as the 80:20 principle. It means that which is less complicated is often better understood and more appreciated than what is more complicated; simplicity is preferable to complexity; brevity in communication is more effective than verbosity. Next we will use an animated image to describe what is less is more. The popularity of flat design in web application design also proves the importance of less is more. Many famous compan...
Less is more,Flat design 2013-09-20 07:20:43
Why do C++ folks make things so complicated?
This morning Miroslav Bajtoš asked “Why do C++ folks make things so complicated?†in response to my article on regular expressions in C++. Other people asked similar questions yesterday. My response has two parts: Why I believe C++ libraries are often complicated.Why I don’t think it has to be that way. Why would someone be using C++ in the first place? Most likely because they need performance or fine-grained control that they cannot get somewhere else. A Ruby programmer...
C++,Complicated,C++ PRogrammer,Design pattern 2011-12-31 15:45:39
A small trick on using console.log to print data in JavaScript
When debugging JavaScript application, one may frequently use console.log to print data so that it is easy to debug when issue occurs and also helps on understand the data flow. The common way of printing a variable would be something like. let user = { name: "test" }; console.log(user); In this case it will print: { name: 'test' } This is OK when there is no much logging or the program is not complicated. But it becomes difficult to debug if there are lots of variables to be printed ...
JAVASCRIPT,CONSOLE.LOG,DEBUGGING 2019-09-03 10:24:24
Supervisord, God and Monit, which one to choose?
With the popularity of Docker, more and more service have been moved into docker containers and they are easy to build up and maintain for each atomic service(though it's a bit complex to maintain multiple docker containers which contain different service to form a complete solution). Ideally, each docker container should only contain one service which has only one running process. However, in reality there would be cases multiple processes would run in one single docker container and there is a...
DEVOPS,MONIT,SUPERVISORD,GOD,DOCKER 2017-11-25 12:28:11
C++, Ruby and CoffeeScript complexity comparison
There are many programming languages around the world, they all designed to help programmer solve some problems, finish some tasks. These languages are often divided into different types, there are structural, object-oriented, functional, scripting languages etc. Some are easy to pick up such as Java, while some are thought to be difficult to learn such as C++. So how do we understand complexities of different programming languages?Many people agree that C++ is very complex languages, it has poi...
Complexity, languages, C++,Ruby,CoffeeScript 2012-06-12 04:46:01
Migrate from MySQL to MariaDB in Ubuntu
The biggest movement of escaping from MySQL in this century starts, openSUSE,Fedora and Arch have started to use MariaDB instead of MySQL as their default database. Many people also dislike the attitude of Oracle on MySQL, so it's reasonable to migrate from MySQL to MariaDB. The whole process is not complicated. Here we share the steps to migrate from MySQL to MariaDB in Ubuntu. Installation procedure: sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db Modify /etc/a...
JSON unmarshal in GoLang
In almost all mainstream programming languages, there is either built-in or third-party library to support parse JSON data because it is so popular for organizing and transferring data among different services. In GoLang, the built in json package also provides functions for marshalling and unmarshalling JSON data. Marshalling GoLang struct to a JSON string is relatively simple, just need to call json.Marshal(), it's a bit complicated to unmarshal an arbitrary JSON string into a GoLang struct ob...
GOLANG,JSON,UNMARSHAL,EMPTY INTERFACE 2019-11-09 21:57:30
Should Small IT Companies Compete for Government Projects
No matter where in the world you look, you will find that various government agencies spend enormous amounts of money to procure products and services from outside companies. And while most of us immediately think about construction projects and perhaps defense contractors, a huge portion of government projects over the last decade or so were in the IT sector. In essence, governments on all levels often require services that their existing employees cannot handle and they invite outside IT comp...
IT, BUSINESS, GOVERNMENT CONTRACTS 2017-12-28 17:51:09
Why no max/min function for integer in GoLang
You may notice that there is no max/min function provided to compare the maximum/minimum of two or more integers if you are a GoLang developer with some experience . In other languages, these functions are provided as part of the core lib functions. Have you wondered why? Indeed GoLang provides max/min function in math package, but they are used for comparing float64 data type. The signature of these two functions are math.Min(float64, float64) float64 math.Max(float64, float64) float...
Understanding database, instance and schema in Oracle database
Oracle database is the most popular database system among enterprises. To start working on Oracle database, some concepts must be understood first. They include database, instance, schema and user etc. And among these concepts, some have different meanings from those in other database systems such as MS SQL, MySQL, DB2. On the web, there are already some good posts which explain different concepts such as Ask Tom's database vs instances, Difference between database vs user vs schema. In this pos...
DIFFERENCE,DATABASE,ORACLE DATABASE,INSTANCE,SCHEMA,USER 2016-12-14 23:30:56
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