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Requirement is to check if in a form, ‘Online_date’ field is blank or filled. If it is blank, then fill it with current date, on form load. Controller calls ‘$form->createForm()” with type “folder”. In “FolderType”, event subscriber “FolderSubscriber” is added. Controller: $form =...

// logger middlerware that logs time taken to process each request func Logger(h http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { startTime := time.Now() h.ServeHttp(w,r) endTime := time.Since(startTime) log...

Steps: Create Empty .Net Core Web App: Go to wwwroot, and create a normal html page called Index.html: Configure Startup.cs to accept static files (this will require to add "Microsoft.AspNetCore.StaticFiles": "1.0.0" library in the “project.json” file): ...

You might need a v-model on a computed property. Normally, the v-model won't update the computed property value. The template: <div id="demo"> <div class='inline-block card'> <div :class='{onlineMarker: true, online: status, offline: !status}'></div> ...

Install Xcode from the App Store. Install the Xcode developer tools > xcode-select --install This will provide basic command line tools such as gcc and make Install Mac Ports https://www.macports.org/install.php The OSX Sierra install package will provide an open-source method of ...

GTKWave is a fully feature graphical viewing package that supports several graphical data storage standards, but it also happens to support VCD, which is the format that vvp will output. So, to pick up GTKWave, you have a couple options Goto http://gtkwave.sourceforge.net/gtkwave.zip and downloa...

A Java 8 compatibility kit for Scala. Most examples are copied from Readme Converters between scala.FunctionN and java.util.function import java.util.function._ import scala.compat.java8.FunctionConverters._ val foo: Int => Boolean = i => i > 7 def testBig(ip: IntPredicate) = ip.tes...

For I as Integer = 1 To 10 Step 1 code to execute Next Step is optional and Step 1 is the default. Step tells it how to count, so -1 would have it subtract 1 each time and Step 5 would have it add 5 each time thru the loop. In case the loop need to be stopped, then the Exit For statement c...

There will be times where you only want to import a specific sheet from an excel file with multiple sheets. To do that, we'll use "SHEET=". PROC IMPORT OUT= YourNewTable DATAFILE= "myfolder/excelfilename.xlsx" DBMS=xlsx REPLACE; SHEET="Sheet1&quo...

This example attempts a single Ping request. The ping command inside the runtime.exec method call can be modified to any valid ping command you might perform yourself in the command line. try { Process ipProcess = runtime.exec("/system/bin/ping -c 1 8.8.8.8"); int exitValue = ip...

Gradle: It is used to make build for any software, it is a Domain specific language used to configure and fulfill all plugins, libraries downloaded from repositories. Use Plugins: Apply plugin: ‘com.android.application’ Plugin is property in key value form. In above statement plugin denotes to...

Form object package formSubmission; public class Person { private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name= name; } public int getAge() { return age; ...

You can try Azure Functions for free by accessing the link: Try Azure Functions It will open the following page: For this trial, you can create your functions using C# or JavaScript, however Azure Functions also supports F#, Node.js, Python, PHP, batch, bash, or any executable. After selection ...

Animation below shows what is happening when you use IDataInput interface methods to access data form ByteArray and other classes which implement this interface.

There is a way to simplify defining autolayout for views using VFL. It may seem hard at first, but it is actually really easy to use. Some definitions first: | represents superview H: or V: represent current orientation - horizontal or vertical view names should be enclosed in square brackets ...

Getting set up to use webdev takes some time, if you're doing anything more than tweaking a bit of text. Here are the initial setup steps: $ mkdir site $ cd site $ git clone [email protected]:dart-lang/site-webdev.git $ source ./scripts/env-set.sh $ ./scripts/install-dart-sdk.sh $ ./s...

Run-time memory management with Rc can be very useful, but it can also be difficult to wrap one's head around, especially if your code is very complex and a single instance is referenced by tens or even hundreds of other types in many scopes. Writing a Drop trait that includes println!("Droppi...

a simple yet very useful command: :g/ending/m$ moves lines containing ending to the end of the buffer. m means move $ means end of buffer, while 0 means beginning of buffer.

The C standard (C11, and C99 too) defines the following flags for printf(): FlagConversionsMeaning-allThe result of the conversion shall be left-justified within the field. The conversion is right-justified if this flag is not specified.+signed numericThe result of a signed conversion shall always ...

Native string functions are mapped to single byte functions, they do not work well with Unicode. The extentions iconv and mbstring offer some support for Unicode, while the Intl-extention offers full support. Intl is a wrapper for the facto de standard ICU library, see http://site.icu-project.org fo...