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What's an Aggregate Root?
...repository.
The repository encapsulates access to child objects - from a caller's perspective it automatically loads them, either at the same time the root is loaded or when they're actually needed (as with lazy loading).
For example, you might have an Order object which encapsulates operations on...
How do I check if an integer is even or odd? [closed]
... targets, and gets a different result, I'd be very interested to know.
Finally, the modulo version is guaranteed by the standard to work whether the integer is positive, negative or zero, regardless of the implementation's representation of signed integers. The bitwise-and version is not. Yes, I re...
Where to place $PATH variable assertions in zsh?
...'t listed in any zsh documentation I can find.
This turns out to be partially incorrect: /etc/profile may be sourced by zsh. However, this only occurs if zsh is "invoked as sh or ksh"; in these compatibility modes:
The usual zsh startup/shutdown scripts are not executed. Login shells source /e...
Calling parent class __init__ with multiple inheritance, what's the right way?
...ing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
Storing Images in DB - Yea or Nay?
...tabase to be best.
There are a couple of issues:
database storage is usually more expensive than file system storage
you can super-accelerate file system access with standard off the shelf products
for example, many web servers use the operating system's sendfile() system call to asynchronously...
Best way to organize jQuery/JavaScript code (2013) [closed]
...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future.
...
How to put Google Maps V2 on a Fragment using ViewPager
....printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
// For showing a move to my location button
googleMap.setMyLocationEnab...
How to set RelativeLayout layout params in code not in xml?
...
There are a couple problems here. First of all I don't see where you are actually instantiating button1 or button2. Secondly, dynamically declared Views (ImageViews, Buttons, etc.) get instantiated with an id of -1. An id of -1 will not work for a rule.
...
How to generate a core dump in Linux on a segmentation fault?
...
Well I had a "small" OpenGL project, that once did some weird thing, and caused X-server crash. When I logged back, I saw a cute little 17 GB core file (on a 25 GB partition). It's definitely a good idea to keep the core file's size limited ...
Firefox Web Console Disabled?
...
This happens when the page itself defines a global variable called console, for example. If the page is browser-sniffing to decide whether to define it, the behavior could differ in different browsers.
In the case of Firefox it also happens when Firebug is installed and its console i...