The first 500 Fibonacci numbers
In my previous post High-performance Fibonacci numbers implementation in Go I showed how to implement very efficient Fibonacci number generator in Go. In this post I am going to share some facts and numbers of Fibonacci sequence.
High-performance Fibonacci numbers program in Go
In this post, I would like to share how to implement a high-performance Fibonacci numbers generator in Go. I decided to write this post after I found the following interview question: Interview question Write a program that calculates a given Fibonacci number. Demonstrate the ability to optimise your solution. What approach would you take in order to be able to calculate any Fibonacci number?
GIF image creation in Go tutorial
I would like to share with you a straightforward and elegant way of creating GIF images in Go programming language. Many developers are afraid of images creation or manipulation. However, as you will see, generation of GIF images using out-of-the-box Go libraries is just fun.
Sorting techniques in Go
In this post I am sharing a few interesting sorting techniques in Go. Sorting is one of the most common operations in many programs. Many programming languages provide support to the sorting problem. Go is not an exception in this field. The out-of-the-box sort package provides a mechanism to perform in-place sorting of any collection implementing sort.Interface.
Implementation of the clock angle problem in Go
In the Explanation of an interview question related to the clock angle problem post I shared explanation and detailed solution to the clock angle problem. I provided Java implementation over. In this post, I am sharing the similar solution in Go. I am not going to present the problem and the approach to the solution as it is common to any programming language. I would recommend you read through the post as mentioned earlier for better understanding.
Interview: clock angle problem in Java
Some time ago I ran into the following interview question: Write a program that for a given hour and minutes values calculates an angle in degrees between the hour and the minute hands. Return information whether the minute hand overlaps the hour hand. As an additional subtask, write a method for calculating all times when the minute hand overlaps the hour hand.
Unique identifiers generation in Node.js
Generating a unique identifier is sometimes a straightforward job. All you need is to get an index of integer type and increment it any time you need an identifier. The things get more complicated if an id needs to be unique in a distributed environment. In this post, I am sharing a couple of approaches to generated unique identifiers in Node.js. The solutions can be used in a single process as well as the distributed environment.
JSON and JSONP correct MIME types
Measurement of Node.js execution time
Images with data URI scheme using Node.js
In this post, I am sharing how to embed an image data directly into the document with data URI scheme in Node.js and Jade. The data URL scheme specification is RFC 2397. This process will basically require conversion of an image into base64 format.
Winston logs rotation based on time
In this post, I am sharing how to rotate Winston log files based on time and date pattern.
Github tarball download
Github provides a feature of downloading entire repository from a single URL (a tarball). The downloaded repository file is combined into a single file using Linux tar command. The archive file is also compressed using gzip compression.
Rendering IE conditional comments with Jade / Pug
Details on rendering conditional comments for IE browser in Jade or Pug template engine in Node.js Jade template engine was designed primarily for server-side templates in Node.js. It is only intended to produce XML like documents, e.g., HTML, etc. It is whitespace sensitive, so there’s no need to close your tags; Jade does that for you.