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Parcelable encountered IOException writing serializable object getactivity()
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Caused by: java.io.NotSerializableException: com.resources.student_list.DSLL$DNode
Your DSLL class appears to have a DNode static inner class, and DNode is not Serializable.
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Singular or plural controller and helper names in Rails
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still has singular CreditCard here: guides.rubyonrails.org/command_line.html#rails-generate
– rcrogers
Mar 5 '14 at 19:27
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MenuItemCompat.getActionView always returns null
...ry but the MenuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....)
11 Answe...
List View Filter Android
....xml layout file.
And in your activity/fragment..
lv = (ListView) findViewById(R.id.list_view);
inputSearch = (EditText) findViewById(R.id.inputSearch);
// Adding items to listview
adapter = new ArrayAdapter<String>(this, R.layout.list_item, R.id.product_name, products);
lv.setAdapter...
How to pass parameters to a modal?
...all to $modal.open() will fail because the controller wants its arguments. By using this neat scope trick, dependencies become optional.
– stackular
Aug 12 '15 at 12:18
add a ...
how to generate migration to make references polymorphic
...or polymorphic associations. Generate a blank migration and then modify it by hand according to your needs.
Update:
You'll need to specify which table you're changing. According to this SO answer:
class AddImageableToProducts < ActiveRecord::Migration
def up
change_table :products do |t|...
How do I get the width and height of a HTML5 canvas?
...nvas Tutorial
You can get the width and height of a canvas element simply by accessing those properties of the element. For example:
var canvas = document.getElementById('mycanvas');
var width = canvas.width;
var height = canvas.height;
If the width and height attributes are not present in the ...
How to add and get Header values in WebApi
... defaultValue;
return keys.First();
}
And then i invoked it by this way.
var headerValue = Request.Content.Headers.GetHeader("custom-header-key", "default-value");
I hope it might be helpful
share
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Draw on HTML5 Canvas using a mouse
...y = 2;
function init() {
canvas = document.getElementById('can');
ctx = canvas.getContext("2d");
w = canvas.width;
h = canvas.height;
canvas.addEventListener("mousemove", function (e) {
findxy('move', e)
}, false);
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SQL update query using joins
I have to update a field with a value which is returned by a join of 3 tables.
11 Answers
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