Tutorial by Examples: contain

iex(1)> String.contains? "elixir of life", "of" true iex(2)> String.contains? "elixir of life", ["life", "death"] true iex(3)> String.contains? "elixir of life", ["venus", "mercury"] false

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.

In modern Objective C syntax you can get values from NSArray and NSDictionary containers using container subscripting. Old way: NSObject *object1 = [array objectAtIndex:1]; NSObject *object2 = [dictionary objectForKey:@"Value"]; Modern way: NSObject *object1 = array[1]; NSObject *o...

Sometimes, we have to take input from users which should contain only alpha numeric characters. For example, lets say a Username system which allow only letters and numbers, Then this can be done with the following Regular Expression ^[a-zA-Z0-9]+$ ^ is restrict the start [a-zA-Z0-9]+ is th...

Bridge Mode $ docker run –d –-name my_app -p 10000:80 image_name Note that we did not have to specify --net=bridge because this is the default working mode for docker. This allows to run multiple containers to run on same host without any assignment of dynamic port. So BRIDGE mode avoids the por...

it caused by your batch size too small, which lead to a lot of ROS Containers created and reach the limitation(1024 default). you should do defragment using TupleMover task(mergeout) before the error raised. To do troubleshooting: ROS Containers viewed from the projections. select * from STOR...

A common problem might be trying to iterate over Array which has no values in it. For example: Dim myArray() As Integer For i = 0 To UBound(myArray) 'Will result in a "Subscript Out of Range" error To avoid this issue, and to check if an Array contains elements, use this oneliner: If...

In order to show an alert dialog containing a link which can be opened by clicking it, you can use the following code: AlertDialog.Builder builder1 = new AlertDialog.Builder(youractivity.this); builder1.setMessage(Html.fromHtml("your message,<a href=\"http://www.google.com\"&gt...

$logger = $container->get('logger'); This will fetch the service with the service ID "logger" from the container, an object that implements Psr\Log\LoggerInterface.

<div th:if="${#strings.contains(#httpServletRequest.requestURI, 'email')}"> <div th:replace="fragments/email::welcome"> </div>

new Vue({ el: '#app', data:{ myArr : [ { name: 'object-1', nestedArr: ['apple', 'banana'] }, { name: 'object-2', nestedArr: ['grapes', 'orange'] } ] ...

Choosing which C++ Container to use can be tricky, so here's a simple flowchart to help decide which Container is right for the job. This flowchart was based on Mikael Persson's post. This little graphic in the flowchart is from Megan Hopkins

.container has one fixed width for each screen size in bootstrap (xs,sm,md,lg); .container-fluid expands to fill the available width. @media (min-width: 568px) { .container { width: 550px; } } @media (min-width: 992px) { .container { width: 970px; } } @media (min-width: 1...