Tutorial by Examples: e

If a scoped enum is converted to an integral type that is too small to hold its value, the resulting value is unspecified. Example: enum class E { X = 1, Y = 1000, }; // assume 1000 does not fit into a char char c1 = static_cast<char>(E::X); // c1 is 1 char c2 = static_cast<c...

While you can use the NSUserDefaults methods anywhere, it can sometimes be better to define a manager that saves and reads from NSUserDefaults for you and then use that manager for reading or writing your data. Suppose that we want to save a user’s score into NSUserDefaults. We can create a class ...

Singletons are a frequently used design pattern which consists of a single instance of a class that is shared throughout a program. In the following example, we create a static property that holds an instance of the Foo class. Remember that a static property is shared between all objects of a class...

Setting overflow value to hidden,auto or scroll to an element, will clear all the floats within that element. Note: using overflow:scroll will always show the scrollbox

Editor templates are a good way to reuse Razor code. You can define editor templates as Razor partial views and then use them in other views. Editor templates usually exist in the Views/Shared/EditorTemplates/ folder, although they can also be saved to the Views/ControllerName/EditorTemplates/ fold...

In IDE Jaspersoft Studio (JSS) or the older version iReport Designer it is sufficient to press Preview. The JasperReports design file .jrxml will automatically be compiled to .jasper in same folder as .jrxml if no errors are present. Another way is to press "Compile Report" button in JSS...

<target name="compile" description="Compiles report designs specified using the 'srcdir' in the <jrc> tag." depends="prepare-compile-classpath"> <mkdir dir="./build/reports"/> <taskdef name="jrc" classname=&quot...

Multiple operations can be executed against a single transaction so that changes can be rolled back if any of the operations fail. using (var context = new PlanetContext()) { using (var transaction = context.Database.BeginTransaction()) { try { //Lets assum...

Multidimensional Arrays As the name indicates, multi dimensional arrays are arrays that contain more than one dimension, usually two or three but it can have up to 32 dimensions. A multi array works like a matrix with various levels, take in example a comparison between one, two, and three Dimensi...

Using git show we can view a single commit git show 48c83b3 git show 48c83b3690dfc7b0e622fd220f8f37c26a77c934 Example commit 48c83b3690dfc7b0e622fd220f8f37c26a77c934 Author: Matt Clark <[email protected]> Date: Wed May 4 18:26:40 2016 -0400 The commit message will be show...

NSLog(@"%s %d %s, yourVariable: %@", __FILE__, __LINE__, __PRETTY_FUNCTION__, yourVariable); Will log the file, line number and function data along with any variables you want to log. This can make the log lines much longer, particularly with verbose file and method names, however it ca...

Sitecore Instance Manager is open-source tool which is used for managing the local park of Sitecore instances. You can install, locate, maintain, reinstal or delete Sitecore products. It also helps you install your sitecore instance with any sitecore packages, modules and only thing you need to do i...

You can use Modules to build more complex classes through composition. The include ModuleName directive incorporates a module's methods into a class. module Foo def foo_method puts 'foo_method called!' end end module Bar def bar_method puts 'bar_method called!' end end ...

A link to any text by using typolink object lib.link = TEXT lib.link { value = Here is link text typolink { #You can give page uid or any external url here parameter = http://www.example.com/ #Target of link extTarget = _blank ...

Vectors can be used as a 2D matrix by defining them as a vector of vectors. A matrix with 3 rows and 4 columns with each cell initialised as 0 can be defined as: std::vector<std::vector<int> > matrix(3, std::vector<int>(4)); C++11 The syntax for initializing them using initia...

When creating a UIView subclass, intrinsic content size helps to avoid setting hardcoded height and width constraints a basic glimpse into how a class can utilize this class ImageView: UIView { var image: UIImage { didSet { invalidateIntrinsicContentSize() } ...

CREATE TABLE new_table_name LIKE existing_table_name;

What you need is to get an entitlements file so the app can access your iCloud and write records using CloudKit. Follow the steps to grant access to iCloud from your app: 1- Select the project in the Project Navigator, and then open the General tab. 2- In the Identity section, set your developer ...

HTML <div> This div is too small to display its contents to display the effects of the overflow property. </div> CSS div { width:100px; height:100px; overflow:scroll; } Result The content above is clipped in a 100px by 100px box, with scrolling available ...

overflow-wrap tells a browser that it can break a line of text inside a targeted element onto multiple lines in an otherwise unbreakable place. Helpful in preventing an long string of text causing layout problems due to overflowing it's container. CSS div { width:100px; outline: 1px dash...