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NgFor provides Some values that can be aliased to local variables index -(variable) position of the current item in the iterable starting at 0 first -(boolean) true if the current item is the first item in the iterable last -(boolean) true if the current item is the last item in the iterable ...

<?php if (!function_exists('document')) { function document($text = '') { return $text; } } Create a helpers.php file, let's assume for now it lives in app/Helpers/document.php. You can put many helpers in one file (this is how Laravel does it) or you can split them up b...

Now let's create a service provider. Let's put it under app/Providers: <?php namespace App\Providers; class HelpersServiceProvider extends ServiceProvider { public function register() { require_once __DIR__ . '/../Helpers/document.php'; } } The above service pr...

To generate schema, view, controller, migration file for the repository, default CRUD templates and test files for a model (like a scaffolding in Rails) one can use phoenix.gen.html mix task like this: mix phoenix.gen.html Book books title note:text pages:integer author_id:references:authors Wh...

Increment / Decrement A pointer can be incremented or decremented (prefix and postfix). Incrementing a pointer advances the pointer value to the element in the array one element past the currently pointed to element. Decrementing a pointer moves it to the previous element in the array. Pointer ari...

Unfortunately Sencha does not directly give you access to Extjs 4. Their download SDK links lead directly to the newer version of Extjs (currently 6). Although you can still find websites that are hosting the library files (I will have to leave you to it since Extjs is under the LGPL license for o...

Detailed instructions on getting perforce set up or installed.

Display the date by itself (custom field is tour_date): <p>Tour Date <?php the_field('tour_date');?></p>

Let's say you want to show a text field (announcement) based on the time (a scheduled notification message for instance). You need two date-time fields. In our example, one is called start_date and the other end_date. <?php $DateNow = date('Y-m-d H:i:s'); $DateStart = get_field('start_date',...

To enable SSH create a file called ssh in the /boot directory of your SD card. Identify the drive letter associated with your SD card. Open a command prompt (press Win+R on your keyboard to open the Run window. Then, type cmd) Enter the following at the command prompt (replacing Drive...

This is a quick guide to get Robot Framework 3.0 working on a Windows machine using Python 2.7.11 - It does not go into too much depth on the why and how, it simply gets you up and running. First things are first, let't go and install Python! Download Python 2.7.11 for Windows. (Windows x86-64 ...

At the end of the document add the following: \bibliographystyle{style} \bibliography{file location} Create a file with extension .bib and save the citation as follows: @inproceedings{citation_name, title={Paper Title}, author={List Authors}, pages={45--48}, year={2013}, organizat...

Template as below Scenario Outline: As a homemaker i want to buy and pay for the below product Given I purchase <a product> And I require a carry bag to take things to home When I pay bill using <payment method> to successfully checkout Then I should have a receipt Exam...

var logRepository = new Mock<ILogRepository>(); logRepository.Setup(x => x.Write(It.IsAny<Exception>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())) .Verifiable(); In this case, we are using t...

use Text::CSV; # Can use Text::CSV which will switch to _XS if installed $sep_char = ","; my $csv = Text::CSV->new({sep_char => $sep_char}); my $line = q{"a quoted, comma", word1, word2}; $csv->parse($line); my @fields = $csv->fields(); print join("\n"...

import pyglet from pyglet.gl import * win = pyglet.window.Window() @win.event() def on_draw(): #OpenGL goes here. Use OpenGL as normal. pyglet.app.run()

import pyglet from pyglet.gl import * win = pyglet.window.Window() glClear(GL_COLOR_BUFFER_BIT) @win.event def on_draw(): glBegin(GL_POINTS) glVertex2f(x, y) #x is desired distance from left side of window, y is desired distance from bottom of window #make as many vertexes as...

In our last two examples, numpy assumed that a[0,:] was the first vector, a[1,:] the second, and a[2,:] the third. Numpy.cross has an optional argument axisa that allows us to specify which axis defines the vectors. So, >>> a=np.array([[1,1,1],[0,1,0],[1,0,-1]]) >>> b=np.array([0...

Required JARs on classpath: javax.money:money-api:1.0 (JSR354 money and currency api) org.javamoney:moneta:1.0 (Reference implementation) javax:annotation-api:1.2. (Common annotations used by reference implementation) // Let's create non-ISO currency, such as bitcoin // At first, t...

A natural division is simply to make one topic for each language feature. For instance, Python has: Classes Functions Generators Decorators . . . On the downside, features can be quite complicated and it's easy to come up with many more examples than make sense for a single page. Classes h...