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Using helpers in model: how do I include helper dependencies?
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To access helpers from your own controllers, just use:
OrdersController.helpers.order_number(@order)
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What's “tools:context” in Android layout files?
...ction; an activity can call setContentView(layout) to display a layout) in order to drive certain features.
Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use for an activity, and once we know the activity a...
What is ViewModel in MVC?
...w model properties are often related to data objects such as customers and orders and in addition, they also contain properties related to the page or application itself such as user name, application name, etc. View models provide a convenient object to pass to a rendering engine to create an HTML ...
Why are iframes considered dangerous and a security risk?
... is also vulnerable to Cross Frame Scripting:
https://www.owasp.org/index.php/Cross_Frame_Scripting
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
... WHERE empName = a.empName
ORDER BY empName FOR xml path('')), ' ', REQUIRED SEPERATOR)
FROM project_members a
WHERE empName IS NOT NULL
GROUP BY empName
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Print text instead of value from C enum
...sday", /* ... etc ... */ };. You know, in case the days of the week are reordered, or you decide that Monday is the first day of the week.
– Tim Schaeffer
Jul 2 '10 at 20:13
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Android Studio: Plugin with id 'android-library' not found
...ready mentioned by some of the other answers, you need the gradle tools in order to use it. Using 3.0.1, you have to use the google repo, not mavenCentral or jcenter:
buildscript {
repositories {
...
//In IntelliJ or older versions of Android Studio
//maven {
// ...
Using Linq to get the last N elements of a collection?
....Skip(Math.Max(0, collection.Count() - N));
This approach preserves item order without a dependency on any sorting, and has broad compatibility across several LINQ providers.
It is important to take care not to call Skip with a negative number. Some providers, such as the Entity Framework, will p...
Is there a way to do method overloading in TypeScript?
... keeps your API honest as you'll avoid creating overloads with unintuitive ordering.
The general law of TypeScript overloads is:
If you can delete the overload signatures and all of your tests pass, you don’t need TypeScript overloads
You can usually achieve the same thing with optional, or...
Provide an image for WhatsApp link sharing
...However, be aware of the "please note" section above.
Step 7: og:type
In order for your object to be represented within the graph, you need to specify its type. Here's a list of the global types available: http://ogp.me/#types. You can also specify your own types.
<meta property="og:type" conte...