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What's wrong with overridable method calls in constructors?
... inconsistent and/or incomplete.
A quote from Effective Java 2nd Edition, Item 17: Design and document for inheritance, or else prohibit it:
There are a few more restrictions that a class must obey to allow inheritance. Constructors must not invoke overridable methods, directly or indirectly. I...
How do I check how many options there are in a dropdown menu?
...
Use the length property or the size method to find out how many items are in a jQuery collection. Use the descendant selector to select all <option>'s within a <select>.
HTML:
<select id="myDropDown">
<option>1</option>
<option>2</option>
.
.
.
...
Function to Calculate Median in SQL Server
...the options recommended in that article to make sure that you've found the best one for your schema.
I'd also be especially careful using the (new in SQL Server 2012) function PERCENTILE_CONT that's recommended in one of the other answers to this question, because the article linked above found th...
ModelState.AddModelError - How can I add an error that isn't for a property?
... I don't think so, you have to go with magic string... not the best but still a good solution
– VinnyG
May 23 '14 at 14:53
4
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Plot a bar using matplotlib using a dictionary
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The best way to implement it using matplotlib.pyplot.bar(range, height, tick_label) where the range provides scalar values for the positioning of the corresponding bar in the graph. tick_label does the same work as xticks(). One ...
Passing Data between View Controllers
...ontrollerB;
@protocol ViewControllerBDelegate <NSObject>
- (void)addItemViewController:(ViewControllerB *)controller didFinishEnteringItem:(NSString *)item;
@end
next still in the ViewControllerB.h you need to setup a delegate property and synthesize in ViewControllerB.m
@property (nonatomi...
REST Complex/Composite/Nested Resources [closed]
I'm trying to wrap my head around the best way to address concepts in a REST based API. Flat resources that don't contain other resources are no problem. Where I'm running into trouble are the complex resources.
...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...zymański Google Feedback isn't 100% accurate either. Try adding some list items (with default icons), try text underlines on different browsers (for example FF compared to Chrome) with a high font-size (for better visibility), or just a bunch of different more rare CSS3 properties. You'll find out ...
How can I get name of element with jQuery?
...opertyName"] notation.
This is no different for elements.
var name = $('#item')[0].name;
var name = $('#item')[0]["name"];
If you specifically want to use jQuery methods, then you'd use the .prop() method.
var name = $('#item').prop('name');
Please note that attributes and properties are ...
How to build a query string for a URL in C#?
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I answered a similar question a while ago. Basically, the best way would be to use the class HttpValueCollection, which ASP.NET's Request.QueryString property actually is, unfortunately it is internal in the .NET framework.
You could use Reflector to grab it (and place it into your ...