Tutorial by Examples: sin

As we knew, WebRTC is all based on the JavaScript development and coding and for more information and examples please refer here and here. And now, let me show you a very simple example to use getUserMedia(); For what getUserMedia() is used? getUserMedia() is used to get the user/visitor's camera...

Being able to understand Error/Exit codes is a fundamental skill for developers on Window's machine. Yet for many, the cryptic hexadecimal code that can be produced on an application exiting with on error can prove to be time consuming and painstaking process for the developer to track down and isol...

Example Table There are several ways to inject your data into DataTables. Serverside Processing is just one method. In this manner, DataTables has a pre-configured endpoint to retrieve data from, and that endpoint is responsible for accepting all paging/filtering/sorting requests that DataTables ap...

var httpRequest = new XMLHttpRequest(); httpRequest.onreadystatechange = getData; httpRequest.open('GET', 'https://url/to/some.file', true); httpRequest.send(); function getData(){ if (httpRequest.readyState === XMLHttpRequest.DONE) { alert(httpRequest.responseText); } ...

Consider you want to predict the correct answer for XOR popular problem. You Knew what is XOR(e.g [x0 x1] => y). for example [0 0] => 0, [0 1] => [1] and... #Load Sickit learn data from sklearn.neighbors import KNeighborsClassifier #X is feature vectors, and y is correct label(To train...

Traversing from the root node to a descendant element using the child axis: /child::html/child::body/child::div/child::span Since the child axis is the default axis, this can be abbreviated to: /html/body/div/span

The descendant and descendant-or-self axes can be used to find all descendant elements of a node at any depth. In contrast, the child axis only traverses immediate children. /child::html/descendant::span /child::html/descendant-or-self::* The double slash // is a shortcut for /descendant-or-sel...

The parent axis contains only the parent of a node. The following expression selects the html element by taking a detour over the body element: /child::html/child::body/parent::html .. is a shortcut for parent::node() The ancestor and ancestor-or-self axes traverse all ancestors of a node. The ...

The following-sibling and preceding-sibling axes contain the siblings before or after the context node, and the following and preceding axes contain all nodes in the document before or after the context node, but: None of these axes contain attribute or namespace nodes. The following axis doesn'...

The attribute and namespace axes contain all attribute and namespace nodes of an element. The shortcut @ stands for attribute::, so the following are equivalent: child::div/attribute::class div/@class

const options = require("commander"); options .option("-v, --verbose", "Be verbose"); options .command("convert") .alias("c") .description("Converts input file to output file") .option("-i, --in-file <file_name&...

const options = require("commander"); options .option("-v, --verbose") .parse(process.argv); if (options.verbose){ console.log("Let's make some noise!"); }

You may wish to update your custom setting's during the execution of your code, to switch off validation or workflow rules. In the below code, I have created a Schedulable Apex Class which will update the Close Date of any Opportunities whose Close Date is less than or equal to 6 days from the curr...

For the purpose of sending push notifications to cordova apps. The first step is to obtain a device token. A "device token" is specific to each device and each project. Pre-requisite: Google Cloud Messaging Project Number For this go to Google Developer Console and create a new ...

1. Logs: By default, Heroku allows only 1500 lines of consolidated logs. When more than 1500 lines of logs are required, one has to use addons provided Heroku. 2. Router: HTTP request have 30s timeout for initial response and 55s timeout thereafter. Maximum of 1MB buffer allowed for response. 3....

As an alternative to using Html.ActionLink to generate links in a view, you can use Html.RouteLink To make use of this feature, you need to configure a route, for example: public static void RegisterRoutes(RouteCollection routes) { routes.MapRoute( "SearchResults", "{...

After you got the Location object from FusedAPI, you can easily acquire Address information from that object. private Address getCountryInfo(Location location) { Address address = null; Geocoder geocoder = new Geocoder(getActivity(), Locale.getDefault()); String errorMessage; Li...

You can get easily get this information by barfing out the input in your handler function. For example, in Java: public String handleRequest(String input, Context context) { context.getLogger().log("Input: " + input); String output = "Input:" + System.getProperty(&qu...

ThesetValue() method overwrites data at the specified location, including any child nodes. You can use this method to: Pass types that correspond to the available JSON types as follows: String Long Double Boolean Map<String, Object> List Pass a custom Java object, if the cla...

This is a simple example to search in Google. It containt two parts, Feature File Step Definition File Am not going into much details here as the code itself is self explanatory. Feature File Feature:Google Key word search @mytag Scenario: search Spec Flow in Google search bar Given...