The Problem Today, I was testing the new Angular 4 Scripting Application sample provided by IBM as a starting point for creating Script Portlet based Apps. However, my development environment is a CentOS 7 computer, and I usually don’t work with Node.js in that computer, so here the simple steps to install Node.js in a…
The Problem So… you are creating an awesome Single Page Application with your favorite front-end framework (Vue.js, Angular, etc…) you need to connect your app with an external service; you have selected a JavaScript library to make the AJAX calls (like Axios), everything seem to be perfect, you create your method to get the remote…
The Problem Since Moment.js is a library that runs client-side, when you create a new date using it; the constructor will take the current user’s timezone. This is not convenient when you want to display a list of dates that don’t depend on the user’s browser. Let’s see an example of this, imagine you have…
Disclaimer: this is my personal opinion, this is just my perspective, that doesn’t mean I have the answers or what I am about to say is the rule. In the Web Development and IT companies world, we are always looking for talented people to join our lines; however, it is always difficult to find professionals…
The challenge Imagine you want to run a kind of conditional if with a fallback (else) for example: you would like to have some custom HTML markup when there is no description set on a piece of content. Let’s see following pseudocode: IF is_There_A_Description(current_Content) DISPLAY description ELSE DISPLAY a default text So, how could we emulate this…
While in development of any Node.js application we usually configure a npm start task to run it; but when you are ready to go to production that concept is not useful anymore. Until that moment, we have tested our application using the regular npm process (npm start); but now, we are going to need to go one…
Functional Programming? Oh yeah, that is one of the most interesting paradigms in computer sciences that is being used since a long time ago, however in the last years it has obtained a particular interest because of JavaScript, in fact, I bet you are being using functional programming without even know it. In this great conference…
This is just a simple way to delete files recursively using your terminal in any UNIX-like operating system: find . -type f -name “FILES_PATTERN” -exec rm {} \; // Example find . -type f -name “*.mp3″ -exec rm {} \; Explanation -name “FILES_PATTERN” : File pattern. -exec rm -rf {} \; : Delete all files…
This is pretty simple way to check if any user has a session started or not; this is useful in cases where you want to display or execute an specific code depending on the user session. To create this kind of validation we can take advantage of the WCM plugins Equals and NotEquals [Plugin:Equals text1=”true” text2=”[Plugin:RequestAttribute key=’userLoggedIn’…
These are just the steps to update Node.js by using your terminal: sudo npm cache clean -f sudo npm install -g n The n package represents a Node helper, and running this command upgrades node to the latest stable version. sudo n stable Just to confirm we can check our version: node -v // Output…
