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Rails: How to get the model class name based on the controller class name?
... work in the application controller depending on which controller inherits from it.
– weltschmerz
Dec 16 '13 at 22:09
...
How can I pop-up a print dialog box using Javascript?
...ct IJSRuntime, in order to perform JSInterop (running javascript functions from C#)
IN YOUR RAZOR PAGE:
@inject IJSRuntime JSRuntime
Once you have that injected, create a button with a click event that calls a C# method:
<MatFAB Icon="@MatIconNames.Print" OnClick="@(async () => await pr...
How can I request the vibrate permission?
...s is how you let the phone Vibrate thru code:
// Get instance of Vibrator from current Context
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 300 milliseconds
v.vibrate(300);
For a more creative pattern try the star wars theme =D
v.vibrate(new long[]{0, 500, ...
ReactJS render string with non-breaking spaces
...g a little whitespace so everyone can see it. If you remove the whitespace from this tag < nbsp />, then you'll be able to use a non-breaking space in React.
React translates this JSX tag into a non-breaking space. Weird quirk: This must also be used on the same line as the text you want to s...
Ruby custom error classes: inheritance of the message attribute
...
Given what the ruby core documentation of Exception, from which all other errors inherit, states about #message
Returns the result of invoking exception.to_s. Normally this returns
the exception’s message or name. By supplying a to_str method,
exceptions are agreeing ...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
...
prefix/xmlns attribute is useful to define short-hand. rdf is from xml lineage so xmlns notation should be expected to work independent of doctype detail. rdfa extends html with attributes including prefix as given by http://www.w3.org/TR/rdfa-in-html/#extensions-to-the-html5-syntax
How...
How do I execute a program using Maven?
... execute the class org.dhappy.test.NeoTraverse.
So, to trigger the plugin from the command line, just run:
mvn exec:java
Now, if you want to execute the exec:java goal as part of your standard build, you'll need to bind the goal to a particular phase of the default lifecycle. To do this, declare...
Why are floating point numbers inaccurate?
...110011001100110011001100110011001100110 x 1011
Which we can then convert from binary to decimal:
1.1499999999999999 x 23 (inexact!)
And multiply to reveal the final representation of the number we started with (9.2) after being stored as a floating point value:
9.1999999999999993
Rep...
One-line list comprehension: if-else variants
...eed:
[ x if x%2 else x*100 for x in range(1, 10) ]
The confusion arises from the fact you're using a filter in the first example, but not in the second. In the second example you're only mapping each value to another, using a ternary-operator expression.
With a filter, you need:
[ EXP for x in ...
ActionLink htmlAttributes
...
.net Core Tag Helpers destroy all these problems - hi from the future.
– niico
Jun 15 '17 at 1:01
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