Tutorial by Examples: od

Here counter is a child component accessed by demo which is a parent component using v-model. // child component Vue.component('counter', { template: `<div><button @click='add'>+1</button> <button @click='sub'>-1</button> <div>this is inside the child c...

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> ...

Calling C code from Go package main /* // Everything in comments above the import "C" is C code and will be compiles with the GCC. // Make sure you have a GCC installed. int addInC(int a, int b) { return a + b; } */ import "C" import "fmt" func ma...

To comment or uncomment code select the lines and use Ctrl + Shift + C or Ctrl + Shift + /

$> perl -MFoo::Bar\ 9999 $> Foo::Bar version 9999 required--this is only version 1.1.

With the help of West Wind's wwDotNetBridge, you can easily have access .NET code within a VFP program. The white paper has all the details, but this concise example will help illustrate the basic steps to running a method in a .NET assembly. Note that wwDotNetBridge can directly access simple pro...

In this example you will be modifying the Marital Status drop-down list found on the Contacts form (CR302000): To add new items to the PXStringListAttribute successor The best way to extend drop-down items hard-coded inside an attribute inherited from the PXStringList or PXIntList attribute is b...

Take note of the email type: Type = 'text/html'; Filename myEmail EMAIL Subject = "My Email Subject" From = "[email protected]" To = '[email protected]' CC = '[email protected]' Type = 'text/html'; Data _null_; File my...

To generalise what we've demonstrated above: individual things contain a fixed margin of "half-the-whitespace", and the container they are held in should have a padding of "half-the-whitespace". You can apply these styles in your application resource dictionary, and then you won'...

To use multi-threading in MATLAB one can use the batch command. Note that you must have the Parallel Computing toolbox installed. For a time-consuming script, for example, for ii=1:1e8 A(ii)=sin(ii*2*pi/1e8); end to run it in batch mode one would use the following: job=batch("da&quot...

Step 1: Create your GitHub account If you already have a GitHub account, please proceed to Step 2. Otherwise, please follow below: 1.a Go to Github page. 1.b Enter your desired username, your email address and then your desired password. Afterwards, click the Sign up for GitHub button. Step 2:...

The C99 and C11 standards specify the following length modifiers for printf(); their meanings are: ModifierModifiesApplies tohhd, i, o, u, x, or Xchar, signed char or unsigned charhd, i, o, u, x, or Xshort int or unsigned short intld, i, o, u, x, or Xlong int or unsigned long intla, A, e, E, f, F, ...

It is very common for C functions to accept pointers to other functions as arguments. Most popular example is setting an action to be executed when a button is clicked in some GUI toolkit library. It is possible to pass Haskell functions as C callbacks. To call this C function: void event_callback...

Yesod project can be created with stack new using following templates: yesod-minimal. Simplest Yesod scaffold possible. yesod-mongo. Uses MongoDB as DB engine. yesod-mysql. Uses MySQL as DB engine. yesod-postgres. Uses PostgreSQL as DB engine. yesod-postgres-fay. Uses PostgreSQL as DB engine....

Android extensions also work with multiple Android Product Flavors. For example if we have flavors in build.gradle like so: android { productFlavors { paid { ... } free { ... } } } And for example, only the free flavor has ...

The interactive mode The most basic way to use R is the interactive mode. You type commands and immediately get the result from R. Using R as a calculator Start R by typing R at the command prompt of your operating system or by executing RGui on Windows. Below you can see a screenshot of an inter...

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...

To enable Pull to Refresh in a ListView in Xamarin, you first need to specify that it is PullToRefresh enabled and then specify the name of the command you want to invoke upon the ListView being pulled: <ListView x:Name="itemListView" IsPullToRefreshEnabled="True" RefreshComm...

$ cat hello.sh #!/bin/bash echo "Hello World" $ bash -x hello.sh + echo Hello World Hello World The -x argument enables you to walk through each line in the script. One good example is here: $ cat hello.sh #!/bin/bash echo "Hello World\n" adding_string_to_number=...

Pack your com.stackoverflow.${whatever} clases on a jar called stackoverflow.jar Create folder com/stackoverflow/main on ${WILDFLY_HOME}/modules Put the jar on the last dir Create a file called module.xml with the following content: <?xml version="1.0" encoding="UTF-8"...