Tutorial by Examples: nd

Usually, J and K move up and down file lines. But when you have wrapping on, you may want them to move up and down the displayed lines instead. set wrap " if you haven't already set it nmap j gj nmap k gk

Create new Xamarin.iOS blank project (Single View App). Right click on the "Components" folder and select "Get More Components": In search box type: "Flout Navigation" and add below component to your app: Remember also to add "Mono.Touch.D...

<a data-bind="attr: { href: myUrl }">link with dynamic href</a> ko.applyBindings({ myUrl: ko.observable("http://www.stackoverflow.com") }); Since there is no native href binding in KnockoutJS, you need to use a different feature to get dynamic links. The abo...

href binding is not native to KnockoutJS, so to get dynamic links use a custom binding handler: <a data-bind="href: myUrl">link with dynamic href</a> ko.bindingHandlers['href'] = { update: function(element, valueAccessor) { element.href = ko.utils.unwrapObservable(v...

Pretext: These are detailed instructions on how to set up a Raspberry Pi with the Raspbian operating system. These instructions are somewhat Windows specific. Some installation steps may apply to other operating systems as well, but keep the former in mind. Contents Requirements Choosing an ...

//define a short alias to avoid chubby method signatures using AppFunc = Func<IDictionary<string, object>, Task>; class RequestTimeMiddleware { private AppFunc _next; public RequestTimeMiddleware(AppFunc next) { _next = next; } public async Task...

The Java Language Specification describes Annotations as follows: An annotation is a marker which associates information with a program construct, but has no effect at run time. Annotations may appear before types or declarations. It is possible for them to appear in a place where they could a...

You can use the following instructions to install Theano and configure the GPU (assume a freshly installed Ubuntu 14.04): # Install Theano sudo apt-get install python-numpy python-scipy python-dev python-pip python-nose g++ libopenblas-dev git sudo pip install Theano # Install Nvidia drivers, ...

FirebaseUI is just an open-source library by Google that provides easy UI bindings for Firebase Auth and Firebase Database. To begin adding FirebaseUI to your app, add these dependencies in your app's build.gradle file: android { // ... } dependencies { // Required for FirebaseUI Dat...

Define a sequence of Targets (Target1, then Target2) that must execute before Target3. Note that an execution request for Target3 is required to cause Target1 and Target2 to be executed. <Target Name="Target3" DependsOnTargets="Target1;Target2"> </Target> <Tar...

We now know how to create a modal. But what if we want to pass some data from modal to our home page. To do so, let us look into an example with modal as Register page passing parameters to parent page. Register.html <ion-header> <ion-toolbar> <ion-title> Login ...

Objective: Use SignalR for notification between Web API, and TypeScript/JavaScript based Web App, where Web API and the Web App is hosted in different domain. Enabling SignalR and CORS on Web API: Create a standard Web API project, and install the following NuGet packages: Microsoft.Owin.Cors ...

Merging key names are same pd.merge(df1, df2, on='key') Merging key names are different pd.merge(df1, df2, left_on='l_key', right_on='r_key') Different types of joining pd.merge(df1, df2, on='key', how='left') Merging on multiple keys pd.merge(df1, df2, on=['key1', 'key2']) Treatment...

You'll first send the user to the Twitch authorization endpoint. This URL is made up of a the base authorization URL (https://api.twitch.tv/kraken/oauth2/authorize) and query string parameters that define what you're requesting. The required parameters are response_type, client_id, redirect_uri, and...

db.collection.createIndex() method is used to create a 2dsphere index. The blueprint of a 2dsphere index : db.collection.createIndex( { <location field> : "2dsphere" } ) Here, the location field is the key and 2dsphere is the type of the index. In the following example we are goi...

NOTE: for best results, make sure your project was created using the Angular-CLI. npm install angular/{core,common,compiler,platform-browser,platform-browser-dynamic,http,router,forms,compiler-cli,tsc-wrapped,platform-server} You don't have to do this step if you project already has angular 2 an...

// this is the static platform browser, the usual counterpart is @angular/platform-browser-dynamic. import { platformBrowser } from '@angular/platform-browser'; // this is generated by the angular compiler import { AppModuleNgFactory } from './ngfactory/app/app.module.ngfactory'; // note the...

Once you've installed react and react-router, Its time to use both of them together. The syntax is very simple, you specify the url and the component you want to render when that url is opened <Route path="hello" component={ HelloComponent } /> This means when the url path is hell...

This example shows how to find number of days between two dates. A date is specified by year/month/day of month, and additionally hour/minute/second. Program calculates number of days in years since 2000. #include <iostream> #include <string> #include <chrono> #include <cti...

A frequent reason why your read operation may not work is because your security rules reject the operation, for example because you're not authenticated (by default a database can only be accessed by an authenticated user). You can see these security rule violations in the logcat output. But it's e...