In the old days google was ‘just’ a very good search engine. Nowadays it is moving away from it’s initial goal to provide the best search experience. On an average query you will get ads, newsreports, videos, maps, related queries all making it harder to look at what you were actually trying to find. Using tampermonkey (a browser plugin to […]
Below a simple regex to valid if a variable is a valid list of numbers.
Below a javascript, the function creates logical ranges from an array of integers. I use this script to create filters. The function accepts 4 parameters: array : an array of integers. E.g. [1,50,20,10,23,78] range : Integer. Range of the groups. E.g. 10 return groups of 10: 10,20,30 etc. 100 returns groups of 100: 100,200,300 etc. Any integer is possible divider […]
Below a very simple script to get random values from an array without repetition. The basic idea is to randomly select an array item. Then publish that array item and remove it from the array. Repeat this process untill all array items are processed.
For a node project, I wanted to replace the field separator in a CSV from a comma to a tab. I thought about different solutions and finally, I came up with this neat little regex. This regex can be used to replace a delimiter in a csv file but also other usage cases are possible. The script below replaces a […]
Below an example of a large sortable table with rotated column headers. I also created a jsFiddle you can watch here. By rotating the headers you can add many more columns to the viewport while preserving readability. If you wish to implement something like this yourself there are a few things to consider: The table-layout needs to be fixed. This […]
Want to convert a SQL table to a javascript object and sort it? This is one way to do this. First, create an array of objects. Each object represents one row. Create a key for the row index (starting at 0) and a key that contains an array of the column values. Now we have converted an SQL table to […]
I always wanted to create a simple example on how you can create objects in javascript. The example also contains private and public variables and functions.
