Tutorial by Examples: u

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 TEMPLATE Let’s start with a very simple template that shows our name and our favorite thing: <div> Hello my name is {{name}} and I like {{thing}} quite a lot. </div> {}: RENDERING To render a value, we can use the standard double-curly syntax: My name is {{name}} P...

Background To get the product of a register and a constant and store it in another register, the naïve way is to do this: imul ecx, 3 ; Set ecx to 5 times its previous value imul edx, eax, 5 ; Store 5 times the contend of eax in edx Use lea Multiplications are expensive operation...

Detailed instructions on getting cocoa-touch set up or installed.

Start with a properly configured gradle project. In your project-local (not top-level) build.gradle append extensions plugin declaration below your Kotlin plugin, on top-level indentation level. buildscript { ... } apply plugin: "com.android.application" ... apply plugin: &quo...

Assuming we have an activity with an example layout called activity_main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layou...

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 ...

UINavigationController is used to form a tree-like hierarchy of view controllers, which is known as a navigation stack. From developers perspective: You can connect independently made controller and get all the benefits of a free hierarchy manager and common UI presenter gratis. UINavigationContro...

There's two ways to create a ByteBuffer, where one can be subdivided again. If you have an already existing byte[], you can "wrap" it into a ByteBuffer to simplify processing: byte[] reqBuffer = new byte[BUFFER_SIZE]; int readBytes = socketInputStream.read(reqBuffer); final ByteBuffer ...

Given a ByteBuffer instance one can write primitive-type data to it using relative and absolute put. The striking difference is that putting data using the relative method keeps track of the index the data is inserted at for you, while the absolute method always requires giving an index to put the d...

Below is an Employer entity class which is mapped to the table employer. As you can see I used fetch = FetchType.LAZY instead of fetch = FetchType.EAGER. The reason I am using LAZY is because Employer may have a lot of properties later on and every time I may not need to know all the fields of an Em...

Detailed instructions on getting microsoft-dynamics set up or installed.

Detailed instructions on getting proguard set up or installed.

Lets draw a square in the middle of our view and make it fall to the bottom and stop at the bottom edge collising with the screen bottom boundary. @IBOutlet var animationView: UIView! var squareView:UIView! var collision: UICollisionBehavior! var animator: UIDynamicAnimator! var gravity: UIGr...

To illustrate this, here is a function that has 3 different "wrong" behaviors parameter is completely stupid: we use a user-defined expression parameter has a typo: we use Oracle standard NO_DATA_FOUND error another, but not handled case Feel free to adapt it to your standards: DE...

Detailed instructions on getting fpga set up or installed.

You can use the ng generate or ng g command to generate Angular building blocks (components, services, pipes, etc.). You can find all possible blueprints in the table below: ScaffoldUsageShortenedComponentng generate component component-nameng g c component-nameDirectiveng generate directive direc...

PyDotPlus is an improved version of the old pydot project that provides a Python Interface to Graphviz’s Dot language. Installation For the latest stable version: pip install pydotplus For the development version: pip install https://github.com/carlos-jenkins/pydotplus/archive/master.zip L...

Detailed instructions on getting random set up or installed.

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...