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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!"); }

Cortical.io - Retina: an API performing complex NLP operations (disambiguation, classification, streaming text filtering, etc...) as quickly and intuitively as the brain. CoreNLP - Stanford CoreNLP provides a set of natural language analysis tools which can take raw English language text input and ...

Memoizing is basically a way to cache method results. This can be useful when a method is often called with the same arguments and the calculation of the result takes time, therefore increasing performance. Starting from Groovy 2.2, methods can be annoted with the @Memoized annotation. Imagine the...

Step 1: Create a bluemix account Create an account at https://console.ng.bluemix.net/registration/ This will set you up with a 30 day trial. You don't have to pay anything for the free resources and you don't have to set up billing until the end of your trial (though not all services will be avail...

Assuming a abstract class: class ILogger { virtual ~ILogger() = default; virtual Log(const std::string&) = 0; }; Instead of void doJob(ILogger* logger) { if (logger) { logger->Log("[doJob]:Step 1"); } // ... if (logger) { logge...

NATURAL JOIN requires no explitic join condition; it builds one based on all the fields with the same name in the joined tables. create table tab1(id number, descr varchar2(100)); create table tab2(id number, descr varchar2(100)); insert into tab1 values(1, 'one'); insert into tab1 values(2, '...

Command Prompt batch scripts have extension .cmd or .bat, the latter for compatibility reasons. To create a hello-word-script, you first need a place where to type it. For simple scripts, also the Windows Notepad will do. If you are serious about shell scripting, you need more effective tools. The...

Orchard is a free, open source, community-focused Content Management System built on the ASP.NET MVC platform. Orchard is built on a modern architecture that puts extensibility up-front, as its number one concern. All components in Orchard can be replaced or extended. Content is built from easily c...

Explain how Orchard theming works

Core Graphics context A Core Graphics context is a canvas which we can draw in it and set some properties like the line thickness. Making a context To make a context, we use the UIGraphicsBeginImageContextWithOptions() C function. Then, when we are done with drawing, we just call UIGraphicsEn...

Swift let image = UIGraphicsGetImageFromCurrentImageContext() imageView.image = image //assuming imageView is a valid UIImageView object Objective-C UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); imageView.image = image; //assuming imageView is a valid UIImageView object

ASP.NET validation controls validate the user input data to ensure that useless, unauthenticated, or contradictory data don't get stored. ASP.NET provides the following validation controls: RequiredFieldValidator RangeValidator CompareValidator RegularExpressionValidator CustomValidator Val...

The RequiredFieldValidator control ensures that the required field is not empty. It is generally tied to a text box to force input into the text box. The syntax of the control is as given: <asp:RequiredFieldValidator ID="rfvcandidate" runat="server" ControlToValidate =&...

The RangeValidator control verifies that the input value falls within a predetermined range. It has three specific properties: PropertiesDescriptionTypeIt defines the type of the data. The available values are: Currency, Date,MinimumValueIt specifies the minimum value of the range.MaximumValueIt s...

The CompareValidator control compares a value in one control with a fixed value or a value in another control. It has the following specific properties: PropertiesDescriptionTypeIt specifies the data type.ControlToCompareIt specifies the value of the input control to compare with.ValueToCompareIt ...

The RegularExpressionValidator allows validating the input text by matching against a pattern of a regular expression. The regular expression is set in the ValidationExpression property. The following table summarizes the commonly used syntax constructs for regular expressions: Character EscapesDe...

The ValidationSummary control does not perform any validation but shows a summary of all errors in the page. The summary displays the values of the ErrorMessage property of all validation controls that failed validation. The following two mutually inclusive properties list out the error message: S...

Complex pages have different groups of information provided in different panels. In such situation, a need might arise for performing validation separately for separate group. This kind of situation is handled using validation groups. To create a validation group, you should put the input controls ...

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...