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TestFixtureSetUp

This attribute used t identify a method that is called once to perform setup before any child tests are run. For the new versions we are using OneTimeSetUp as the TestFixtureSetUp is obsolete. OneTimeSetUp [OneTimeSetUp] public void SetUp() { }

nunit • Attributes

Minimum Vertex Cover

Minimum Vertex Cover is a classic graph problem. Let's say, in a city we have a few roads connecting a few points. Let's represent the roads using edges and the points using nodes. Let's take two example graphs: We want to set watchmen on some points. A watchman can guard all the roads connected ...

dynamic-programming • Solving Graph Problems Using Dynamic Programming

Expectation

describe("Includes validations for index page", function () { var indexPage; it("Check for null values", function () { // We are going to pass "" (null) value to the function var retVal = indexPage.isNullValue(""); exp...

jasmine • Attributes

Server side exporting

If you click on export icon, you will given options to choose like on which format you need to export the data. Just click on anything you wish. You can see that the data is being send to the server http://export.highcharts.com/ in the top left side. exporting: { chartOptions: { ...

highcharts • Exporting

Client side exporting

You need to add a reference of the file called offline-exporting.js to make the client side exporting available. Please be noted this feature is not supported in browser IE 8, So if you load this chart in any unsupported browser, the module will fall back to the export server. This can be handled wi...

highcharts • Exporting

Read text file with comma delimiter

DATA table-name; INFILE "file-path/file-name.csv" dsd; INPUT Name $ City $ Age; RUN;

sas • Reading Data

InvocationExpression Class

InvocationExpression class allows invocation of other lambda expressions that are parts of the same Expression tree. You create them with static Expression.Invoke method. Problem We want to get on the items which have "car" in their description. We need to check it for null before searc...

.NET Framework • Expression Trees

Read subset of a global raster defined by a bounding box

Open a raster that covers the globe and extract a subset of the raster. import gdal # Path to a tiff file covering the globe # http://visibleearth.nasa.gov/view.php?id=57752 tif_name = "/path_name/land_shallow_topo_21600.tif" # Open raster in read only mode ds = gdal.Open(tif_n...

gdal • Reading rasters with gdal

Install PostgreSQL from Source on Linux

Dependencies: GNU Make Version > 3.80 an ISO/ ANSI C-Compiler (e.g. gcc) an extractor like tar or gzip zlib-devel readline-devel oder libedit-devel Sources: Link to the latest source (9.6.3) Now you can extract the source files: tar -xzvf postgresql-9.6.3.tar.gz There are a large ...

postgresql • Getting started with postgresql

PL/pgSQL Syntax

CREATE [OR REPLACE] FUNCTION functionName (someParameter 'parameterType') RETURNS 'DATATYPE' AS $_block_name_$ DECLARE --declare something BEGIN --do something --return something END; $_block_name_$ LANGUAGE plpgsql;

postgresql • Programming with PL/pgSQL

Read data from excel file

PROC IMPORT DATAFILE = "file-path/file-name.xlsx" OUT=data_set DBMS=XLSX REPLACE;

sas • Reading Data

Enabling Expires Headers

First-time visitors to any web page has to make several HTTP requests. By using the “Expires” header you make the components of the requests cacheable. This avoids unnecessary HTTP requests on subsequent page views. You want to find the area of the .htaccess file that starts with <IfModulemod_ex...

magento • Optimizing Magento For Speed

Render Ajax view

Controller::renderAjax() method can be used to respond to an Ajax request. This method is similar to renderPartial() except that it will inject into the rendering result with JS/CSS scripts and files which are registered with the view Assume we have login form in a view file: <?php use yii\hel...

yii2 • Ajax Request

Basic example

You can configure Mail by just adding/changing these lines in the app's .ENV file with your email provider login details, for example for using it with gmail you can use: MAIL_DRIVER=smtp MAIL_HOST=smtp.gmail.com MAIL_PORT=587 [email protected] MAIL_PASSWORD=yourPassword MAIL_E...

Laravel • Mail

web-socket Client example

This is an example of a web-socket client in javascript. It: Connects to a live demo server. Sends a message. Receives message(s). Disconnects after an interval. var mySocket = null; var serverUrl = 'wss://echo.websocket.org'; // wss: is ws: but using SSL. var oWebSocket = window...

WebSockets • Getting started with WebSockets

Basic Example of Html 5 cache

this is our index.html file <!DOCTYPE html> <html manifest="index.appcache"> <body> <p>Content</p> </body> </html> then we will create index.appcache file with below codes CACHE MANIFEST index.html write those files that you want ...

HTML • HTML 5 Cache

Using Proxy

The Proxy :: k -> * type, found in Data.Proxy, is used when you need to give the compiler some type information - eg, to pick a type class instance - which is nonetheless irrelevant at runtime. {-# LANGUAGE PolyKinds #-} data Proxy a = Proxy Functions which use a Proxy typically use Scoped...

Haskell Language • Proxies

The "polymorphic proxy" idiom

Since Proxy contains no runtime information, there is never a need to pattern-match on the Proxy constructor. So a common idiom is to abstract over the Proxy datatype using a type variable. showread :: forall proxy a. (Show a, Read a) => proxy a -> String -> String showread _ = (show :: a...

Haskell Language • Proxies

Proxy is like ()

Since Proxy contains no runtime information, you can always write a natural transformation f a -> Proxy a for any f. proxy :: f a -> Proxy a proxy _ = Proxy This is just like how any given value can always be erased to (): unit :: a -> () unit _ = () Technically, Proxy is the term...

Haskell Language • Proxies

Props in JSX

There are several different ways to specify props in JSX. JavaScript Expressions You can pass any JavaScript expression as a prop, by surrounding it with {}. For example, in this JSX: <MyComponent count={1 + 2 + 3 + 4} /> Inside the MyComponent, the value of props.count will be 10, becau...

React • JSX