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What is the lifecycle of an AngularJS Controller?
...) {
// say hello to your new content here
// BUT NEVER TOUCHES THE DOM FROM A CONTROLLER
});
Here is a Plunker with a concept proof (open your console window).
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What is the difference between Fragment and FragmentActivity?
My question is apart from the obvious inheritance differences, what are the main differences between Fragment and FragmentActivity ? To what scenarios are each class best suited? I'm trying to get an understanding of why both of these classes exist...
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How can I check for “undefined” in JavaScript? [duplicate]
...comparison in most situations:
myVariable === undefined
Original answer from 2010
Using typeof is my preference. It will work when the variable has never been declared, unlike any comparison with the == or === operators or type coercion using if. (undefined, unlike null, may also be redefined in...
How do I access this object property with an illegal name?
...e obvious $ret['todo-list'] accessing), this code is taken almost verbatim from Zend_Config and will convert for you.
public function toArray()
{
$array = array();
foreach ($this->_data as $key => $value) {
if ($value instanceof StdClass) {
$array[$key] = $value-&g...
JavaScript: location.href to open in new window/tab?
I have a JavaScript file from a third party developer. It has a has link which replaces the current page with the target. I want to have this page opened in a new tab.
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Authorize Attribute with Multiple Roles
... Same issue as @Urielzen, but it was fixed by the answer below from Jerry Finegan (using "System.Web.Mvc.AuthorizeAttribute and NOT System.Web.Http.AuthorizeAttribute")
– RJB
Sep 16 '19 at 18:20
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What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
...For(a => a.CustomerName) //strongly typed
2nd method used a property from your model. If your view implements a model then you can use the 2nd method.
More info please visit below link
http://weblogs.asp.net/scottgu/archive/2010/01/10/asp-net-mvc-2-strongly-typed-html-helpers.aspx
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check if variable is dataframe
...you if a variable is a string (either str or unicode), because they derive from basestring)
if isinstance(obj, basestring):
i_am_string(obj)
Specifically for pandas DataFrame objects:
import pandas as pd
isinstance(var, pd.DataFrame)
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Naming conventions for abstract classes
... I agree. I'm working in a feeds system that parses content from different sources. We use in the public API an interface named IFeedParser, and internally we use a base abstract class containing common functionality named BaseFeedParser
– Rui Jarimba
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jQuery map vs. each
...ewItems is [2,3,4,5]
You can also use the map function to remove an item from an array. For example:
var items = [0,1,2,3,4,5,6,7,8,9];
var itemsLessThanEqualFive = $.map(items, function(i) {
// removes all items > 5
if (i > 5)
return null;
return i;
});
// itemsLessThanEqualFi...