- Elasticsearch – The Field Types That Matter
Not a catalogue. The eight or so types a real project actually needs and the decisions behind them: text versus keyword and why that one distinction causes most beginner confusion, scaled_float for money, date and what it accepts, boolean, geo_point, and object versus nested — including the array-flattening behaviour that makes nested necessary and is invisible until it returns a wrong result.
- Visual Studio Code Hot Keys
Search Search for file in your space Windows CTRL + P Mac command + P
- HTML SEO
Title Description Social Media Tags Viewport metadata <meta name=”viewport” content=”width=device-width, initial-scale=1″/>
- Linux prepend content to a file
Prepend content to a file Use sed with -i option. You can also specify the line to which the content will prepend to. sed -i ” ‘1s/^/package home;/” Home.java Prepend content to multiple files Here I need to add a package to 200 java files. To do this manual would be tedios. for f […]
- CSS Margin
margin properties are used to create space around elements, outside of any defined borders. margin: top right bottom left; margin: 10px 15px 20px 25px; top – 10px right – 15px bottom – 20px left – 25px margin: top right/left bottom; margin: 10px 20px 25px; top – 10px right/left – 20px bottom – 25px…