Tutorial by Examples: l

The HTML <p> element defines a paragraph: <p>This is a paragraph.</p> <p>This is another paragraph.</p> Display- You cannot be sure how HTML will be displayed. Large or small screens, and resized windows will create different results. With HTML, you cannot chang...

In the view file In the base html (index.html) where we usually include the angular scripts or the html that is shared across the app, leave an empty div element, the flash messages will be appearing inside this div element <div class="flashmessage" ng-if="isVisible"> ...

In order to create a scheduler,the entry needs to be created in liferay-portlet.xml provding scheduler class and trigger value for timing of scheduler triggering <portlet-name>GetSetGo</portlet-name> <icon>/icon.png</icon> <scheduler-entry> ...

There are numerous problems minimizing lateness, here we have a single resource which can only process one job at a time. Job j requires tj units of processing time and is due at time dj. if j starts at time sj it will finish at time fj=sj+tj. We define lateness L=max{0,fj-dh} for all j. The goal is...

Dependencies: GNU Make Version > 3.80 an ISO/ ANSI C-Compiler (e.g. gcc) an extractor like tar or gzip zlib-devel readline-devel oder libedit-devel Sources: Link to the latest source (9.6.3) Now you can extract the source files: tar -xzvf postgresql-9.6.3.tar.gz There are a large ...

CREATE [OR REPLACE] FUNCTION functionName (someParameter 'parameterType') RETURNS 'DATATYPE' AS $_block_name_$ DECLARE --declare something BEGIN --do something --return something END; $_block_name_$ LANGUAGE plpgsql;

Options for returning in a PL/pgSQL function: Datatype List of all datatypes Table(column_name column_type, ...) Setof 'Datatype' or 'table_column'

This package generates a file that your IDE understands, so it can provide accurate autocompletion. Generation is done based on the files in your project. Read more about this here

PROC IMPORT DATAFILE = "file-path/file-name.xlsx" OUT=data_set DBMS=XLSX REPLACE;

Part I : Setup the Mac machine to use shenzhen Go to terminal Install Shenzhen sudo gem install shenzhen sudo gem install nomad-cli Download XCode command line utility xcode-select --install Popup shows up with the below text The xcode-select command requires the command line d...

How to read a netCDF file (.nc) with python gdal ? import gdal # Path of netCDF file netcdf_fname = "/filepath/PREVIMER_WW3-GLOBAL-30MIN.nc" # Specify the layer name to read layer_name = "hs" # Open netcdf file.nc with gdal ds = gdal.Open("NETCDF:{0}:{1}".f...

If you want to get the properties of the file (like the name or the size) you can do it before using the File Reader. If we have the following html piece of code: <input type="file" id="newFile"> You can access the properties directly like this: document.getElementById...

Create a vector source var vectorSource = new ol.source.Vector({}); Initiate Map Object and add vector Layer to the map and Source as the vectorSource var map = new ol.Map({ layers: [ new ol.layer.Tile({ source: new ol.source.OSM() }), new ol.layer.Vector({ ...

Viridis (named after the chromis viridis fish) is a recently developed color scheme for the Python library matplotlib (the video presentation by the link explains how the color scheme was developed and what are its main advantages). It is seamlessly ported to R. There are 4 variants of color scheme...

ColorBrewer project is a very popular tool to select harmoniously matching color palettes. RColorBrewer is a port of the project for R and provides also colorblind-friendly palettes. An example of use colors_vec <- brewer.pal(5, name = 'BrBG') print(colors_vec) [1] "#A6611A" &quot...

Quite often there is a need to glimpse the chosen color palette. One elegant solution is the following self defined function: color_glimpse <- function(colors_string){ n <- length(colors_string) hist(1:n,breaks=0:n,col=colors_string) } An example of use color_glimpse(...

The package colorspace provides GUI for selecting a palette. On the call of choose_palette() function the following window pops-up: When the palette is chosen, just hit OK and do not forget to store the output in a variable, e.g. pal. pal <- choose_palette() The output is a function that t...

Function colors() lists all the color names that are recognized by R. There is a nice PDF where one can actually see those colors. colorRampPalette creates a function that interpolate a set of given colors to create new color palettes. This output function takes n (number) as input and produces a...

Take a use case, like a chat app or a collaborative grocery list app (that basically requires a list of objects to be synced across users). If you use firebase database and add a value event listener to the chat parent node or grocery list parent node, you will end with entire chat structure from th...

Magento is a very popular eCommerce application. It offers a great deal of customization and abilities from initial install. Here are a few suggestions for optimizing a Magento installation. Enabling Output Compression In your .htaccess file for Magento you will find a section of text starting wit...