Angular
Example When interacting with server you have nowdays two options that are battle tested. Websockets and http requests. This example is focused on angular http requests. We will be doing http request to server that will return "Hello World" for us as is in this plunker: How Does
Angular 5
Angular Websites List Have you ever wonder who is using angular in production? I did, so I started to collect webpages builded with angular 2: Website Angular version rooms.ryanair.com 4 codezen.codingninjas.in 4 livefiesta.com 2? yatrum.com 4 angularhunt.com 4 cyph.com 4 code.gov
JavaScript
Do you know for cycle? Yes?! Then you know javascript Array reduce method! Let's say you have an array with numbers e.g. [1,1,1] and you want sum of them. Then you just loop over the array and in each cycle you add next value to
Angular
Reactive or not reactive that is the question. Angular offers two form-building technologies: reactive forms and template-driven forms. One advantage of Angular reactive forms is that value and validity updates are always synchronous and under your control. You don't need to bother with the timing issues that sometimes
Angular
Ok there are more than 6 lines needed to create and style the tree component but the template, where the recursion happens is just six lines in length. We need our data in format where deepening is done with .children property then we just pass them in [children] @Input. Whole
Angular
Angular Material 2 have awesome components that are really easy to use. Except one the auto-complete. This one is a little brain teaser. Although the documentation provides examples, it is not always really straight-forward how to use designed API. For example the displayWith @Input. Let's say you want
Linux
This is one of my bigger articles and I find it quite useful, because when I was googling about this topic I have found very few good tutorials. Running the IB TWS/Gateway is not possible in Linux without an X server to handle the GUI. To "fake"
Linux
What is Two step authentication? You all already know it. Just try to login to your facebook account and after you enter your username and password you will be notified to enter code from facebook code generator. Are you asking why should I care? If you write lastb command into
Coding
I'm not really into php, but sometime you just have no other option. And you know: If all you have is a hammer, everything looks like a nail. Recently I have been struggling for few hours how to generate pdf from html, that looks like original page and
Mac OS X
If you are not native english speaker, you may be frustrated with default "look up" options you get after selecting a text and right clicking. There are multiple dictionaries, wikipedia and news but your language is not listed. What a pitty. Fortunately there is other option. Add your
Coding
Introduction The hardest part of creating your own automated trading system (ATS) is starting. This article is the first step of creating ATS. API provides great flexibility in implementing your automated trading ideas, all of its functionality runs through TWS or IB Gateway. This means that you must have a
Coding
There used to be Yahoo financial webservice where you could get historical stock data. API requests looked like http://finance.yahoo.com/webservice/v1/symbols/COALINDIA.NS/quote?format=json and you got nice REST .json response. But this service has disappeared in middle of 2016. Only thing you get