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Why does C++ need a separate header file?
...against don't even need to have been written yet, never mind the compiler knowing what .cpp file they'll be in. Everything the calling code needs to know at compile time is expressed in the function declaration. At link time you will provide a list of .o files, or static or dynamic libraries, and th...
Why can't the C# constructor infer type?
...d.
This feature has been on the list of possible features for a long time now. It's never been anywhere near high enough on the list to actually get implemented.
UPDATE March 2015
The proposed feature made it close enough to the top of the list for C# 6 to be specified and designed, but was then ...
$on and $broadcast in angular
...
One thing you should know is $ prefix refers to an Angular Method, $$ prefixes refers to angular methods that you should avoid using.
below is an example template and its controllers, we'll explore how $broadcast/$on can help us achieve what we w...
Javascript when to use prototypes
...ultiple Car() instances.
var volvo = new Car(),
saab = new Car();
Now, you know each car will need to drive, turn on, etc. Instead of attaching a method directly to the Car() class (which takes up memory per each instance created), you can attach the methods to the prototype instead (creat...
Firing events on CSS class changes in jQuery
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@riscarrott i don't presume to know the OP's application. I'm just presenting them with the concept of pub/sub and they can apply it however they'd like. Disputing what the actual event name should be with the amount of info given is silly.
...
How to get RelativeLayout working with merge and include?
I have been trying for a few days now to make my layouts more efficient by converting from using several levels of nested LinearLayouts to one RelativeLayout and have come across a few problems that I haven not been able to find a workaround for...
...
Select first row in each GROUP BY group?
...ndex-only scans is in development for Postgres 14. See here and here.)
For now, there are faster query techniques to substitute for this. In particular if you have a separate table holding unique customers, which is the typical use case. But also if you don't:
Optimize GROUP BY query to retrieve la...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...le (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
...
What are the big improvements between guava and apache equivalent libraries?
... lot of great developers have contributed to Guava (even Joshua Bloch, who now works at Google!).
The core philosophies and design choices behind Guava are consistent across the library, and the developers adhere to very good (IMO) API design principles, having learned from past mistakes of the JDK...
Why does the C# compiler not fault code where a static method calls an instance method?
...w answer (and this entire question) has mostly only historical interest by now!
(Pre C# 7.3:)
For some reason, overload resolution always finds the best match before checking for static versus non-static. Please try this code with all static types:
class SillyStuff
{
static void SameName(obje...