Tutorial by Examples: ch

You can run the current chunk by clicking Run current Chunk (green play button) present on the right side of the chunk. Alternatively we can use keyboard shortcut Ctrl + Shift + Enter (OS X: Cmd + Shift + Enter) The output from all the lines in the chunk will appear beneath the chunk. Splitting Co...

You can check R Version using the console version

WatchKit App import WatchConnectivity and conform to WCSessionDelegate. use the static session delegate via WCSession.default(). Send data to the iPhone app using: WCSession.default().sendMessage(message, replyHandler:_ errorHandler:_) The message object should be a dictionary of typ...

One of the important areas of NLP is the matching of text objects to find similarities. Important applications of text matching includes automatic spelling correction, data de-duplication and genome analysis etc. A number of text matching techniques are available depending upon the requirement...

In this Stack Overflow question, user txtechhelp found an issue with the ^ character which could cause a security issue. Cause anyInvaildCommand ^ Note: Make sure the caret(^) is the last character! Any extra CR\LF won't work at all! The caret looks for the next character to escape. However,...

.* in regex basically means "catch everything until the end of input". So, for simple strings, like hello world, .* works perfectly. But if you have a string representing, for example, lines in a file, these lines would be separated by a line separator, such as \n (newline) on Unix-like s...

Consider this example: He went into the cafe "Dostoevski" and said: "Good evening." Here we have two sets of quotes. Let's assume we want to match both, so that our regex matches at "Dostoevski" and "Good evening." At first, you could be tempted to keep...

You can read all items either from any config file or type it inline. Considering if its saved in Config File // Read all list items from config file string[] countryDV = ConfigurationManager.AppSettings["countryDV"].Split(',').Select(s => s.Trim().ToUpper()).ToArray(); int DVRowLim...

Approach in this case will be different than previous example because Excel file supports the Data validation for list of items with total character count less than 256 if all items are binded directly as in previous example. But in many situation list items can be longer than 256 characters and in ...

compare using eq (==) RSpec.describe "a string" do it "is equal to another string of the same value" do expect("this string").to eq("this string") end it "is not equal to another string of a different value" do expect("this...

This is the approach proposed by the stackoverflow's user rojo which also can handle the command line arguments : <# : batch portion @echo off & setlocal (for %%I in ("%~f0";%*) do @echo(%%~I) | ^ powershell -noprofile "$argv = $input | ?{$_}; iex (${%~f0} | out-string)&q...

In this document we'll see how to create a Google Cloud SQL Instance and connect them in your Google App Engine application and MySQL Workbench admin tool. Google Cloud SQL: Google Cloud SQL is a fully-managed database service that makes it easy to set-up, maintain, manage and administer your rela...

The documentation of apply says the following: calls the specified function block with this value as its receiver and returns this value. While the kdoc is not so helpful apply is indeed an useful function. In layman's terms apply establishes a scope in which this is bound to the object you ca...

Each element of text you want to use distinct formatting on should be added separately, by adding to the cell's RichText collection property. var cell = ws.Cells[1,1]; cell.IsRichText = true; // Cell contains RichText rather than basic values cell.Style.WrapText = true; // Required to honor n...

var errors = new System.Text.StringBuilder(); var process = new Process { StartInfo = new ProcessStartInfo { RedirectStandardError = true, FileName = "xcopy.exe", Arguments = "\"NonExistingFile\" \"DestinationFile\"", ...

One can use the command-line launching facility is when one wants to customize some aspects of the way MySQL Workbench operates. MySQL Workbench has the following common command line options: --admin instance - Launch MySQL Workbench and load the server instance specified. --query connection - ...

Here i will show you how to fetch All parent(configuarble products) A parent product and all of its children.

Here we first fetch our parent product and the we will get all children products that this parent have. <?php namespace Test\Test\Controller\Test; use Magento\Framework\App\Action\Context; class Products extends \Magento\Framework\App\Action\Action { public function __cons...

EPPlus also supports the ability to insert text in a cell using the Insert() method. For example: var file = new FileInfo(filePath); using (var p = new ExcelPackage(file)) { var wb = p.Workbook; var ws = wb.Worksheets.FirstOrDefault() ?? wb.Worksheets.Add("Sheet1"); var...

val re = """\((.*?)\)""".r val str = "(The)(example)(of)(repeating)(pattern)(in)(a)(single)(string)(I)(had)(some)(trouble)(with)(once)" re.findAllMatchIn(str).map(_.group(1)).toList res2: List[String] = List(The, example, of, repeating, pattern, in, a, ...