Tutorial by Examples: s

Delete all previous versions of the item in the index when adding new version

By default Sitecore adds all versions of the item to the sitecore_master_index. The drawback of that is that if users are using workflows and adding lots of versions all of them will be added to the search results in the content editor. Configuration: <event name="item:versionAdded" &...

sitecore • Search

Basic HTML Modal

A modal is a dialog window which can be displayed over the current page.  <button type="button" class="btn btn-success btn-lg" data-toggle="modal" data-target="#theModal">Open The Modal</b...

twitter-bootstrap • Modals

Navigate with HttpRequestMessage

Set custom user agent and navigate to Uri: var userAgent = "my custom user agent"; var uri = new Uri("http://useragentstring.com/"); var requestMessage = new HttpRequestMessage(HttpMethod.Get, uri); requestMessage.Headers.Add("User-Agent", userAgent); this.webVie...

uwp • WebView navigation

Navigate to string

Show specified html string in WebView: var htmlString = @"<!DOCTYPE html> <html> <head><title>HTML document</title></head> <body> <p>This is simple HTML content.</p> </body>...

uwp • WebView navigation

NavigateToLocalStreamUri

In case when NavigateToString can't handle some content, use NavigateToLocalStreamUri method. It will force every locally-referenced URI inside the HTML page to call to the special resolver class, which can provide right content on the fly. Assets/Html/html-sample.html file: <!DOCTYPE html> ...

uwp • WebView navigation

Ninject Configurations

After the install of an IoC (Inversion of Control) container, some tweaks are needed to make it work. In this case, I'll use Ninject. In the NinjectWebCommon file, that is located in the App_Start folder, substitute the CreateKernel method with: private static IKernel CreateKernel() { ...

asp.net-mvc • Dependency Injection

Utilization of the interfaces

In the concrete class that need the service, use the interface to access the service instead of its implementation like: public class BenefitAppService { private readonly IBenefitService _service; public BenefitAppService(IBenefitService service) { _service = service; ...

asp.net-mvc • Dependency Injection

Basic Search Parameters with examples:

By default, the full indexed document is returned as part of all searches. This is referred to as the source (_source field in the search hits). If we don’t want the entire source document returned, we have the ability to request only a few fields from within source to be returned, or we can set _so...

Elasticsearch • Getting started with Elasticsearch

Running GUI apps in a Linux container

By default, a Docker container won't be able to run a GUI application. Before that, the X11 socket must be forwarded first to the container, so it can be used directly. The DISPLAY environment variable must be forwarded as well: docker run -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=unix$DISPLAY &...

Docker • Running containers

Indent an entire file using built-in indentention engine

In command mode(Esc) enter :gg=G to use Vim's built-in indention engine. Command PartDescriptionggstart of file=indent (when equalprg is empty)Gend of file You can set equalprg in your .vimrc to use a more sophisticated auto-formatting tool. For example, to use clang-format for C/C++ put the foll...

vim • Indentation

Processing long running queries with Node

Since Node is single-threaded, there is a need of workaround if it comes to a long-running calculations. Note: this is "ready to run" example. Just, don't forget to get jQuery and install the required modules. Main logic of this example: Client sends request to the server. Server sta...

Node.js • Performance challenges

Evaluated Expression

ASP.NET • Expressions

Code Block Within ASP Markup

ASP.NET • Expressions

Reading files: foreach vs. while

When reading a potentially large file, a while loop has a significant memory advantage over foreach. The following will read the file record by record (by default, "record" means "a line", as specified by $/), assigning each one to $_ as it is read: while(<$fh>) { pri...

Perl Language • Memory usage optimization

Processing long lists

If you have a list in memory already, the straightforward and usually sufficient way to process it is a simple foreach loop: foreach my $item (@items) { ... } This is fine e.g. for the common case of doing some processing on $item and then writing it out to a file without keeping the data ...

Perl Language • Memory usage optimization

Installation on Amazon Linux from git repo

Amazon Linux is a RHEL variant, so the Red Hat instructions should work for the most part. There is, however, at least one discrepancy. There was an instance where the python27-devel package, as opposed to python-devel, was explicitly necessary. Here, we will install from source. sudo yum -y upd...

ansible • Installation

Creating an Connection to other Excel Files to query

There are many fine ways to get this done, which others have already suggested. Following along the "get Excel data via SQL track", here are some pointers. Excel has the "Data Connection Wizard" which allows you to import or link from another data source or even within the very ...

excel • Create Connection to other Excel Files

Creating Requests

php artisan make:request StoreUserRequest php artisan make:request UpdateUserRequest Note: You can also consider using names like StoreUser or UpdateUser (without Request appendix) since your FormRequests are placed in folder app/Http/Requests/.

Laravel • Form Request(s)

State Based Testing

Given this simple class, we can test that the ShaveHead method is working correctly by asserting state of the HairLength variable is set to zero after the ShaveHead method is called. public class Person { public string Name; public int HairLength; public Person(string name, in...

unit-testing • Assertion Types

Verifying an Exception is Thrown

Sometimes it is necessary to assert when an exception is thrown. Different unit testing frameworks have different conventions for asserting that an exception was thrown, (like NUnit's Assert.Throws method). This example does not use any framework specific methods, just built in exception handling. ...

unit-testing • Assertion Types