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DDD - the rule that Entities can't access Repositories directly
In Domain Driven Design, there seems to be lots of agreement that Entities should not access Repositories directly.
12...
What is the usefulness of `enable_shared_from_this`?
...red_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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How to remove element from array in forEach loop?
...
It looks like you are trying to do this?
Iterate and mutate an array using Array.prototype.splice
var pre = document.getElementById('out');
function log(result) {
pre.appendChild(document.createTextNode(result + '\n'));
}
var review = ['a', 'b', 'c'...
Dynamically load a JavaScript file
...gCodeLibrary.js", type: "text/javascript"});
The problem here is that we do not know when the external script file is fully loaded.
We often want our dependant code on the very next line and like to write something like:
if (iNeedSomeMore) {
Script.load("myBigCodeLibrary.js"); // includes c...
Does a foreign key automatically create an index?
...y is a constraint, a relationship between two tables - that has nothing to do with an index per se.
But it is a known fact that it makes a lot of sense to index all the columns that are part of any foreign key relationship, because through a FK-relationship, you'll often need to lookup a relating t...
How do I get the width and height of a HTML5 canvas?
... 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 canvas element, the default 300x150 size will be returned. To dynamically ...
Get checkbox value in jQuery
...
To get the value of the Value attribute you can do something like this:
$("input[type='checkbox']").val();
Or if you have set a class or id for it, you can:
$('#check_id').val();
$('.check_class').val();
However this will return the same value whether it is checked o...
UINavigationController “back button” custom text?
... target:nil
action:nil];
As Tyler said in the comments:
don't do this in the visible view controller, but in the view
controller that you'd see if you hit the back button
share
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How to handle Back button with in the dialog?
...0, int keyCode,
KeyEvent event) {
// TODO Auto-generated method stub
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
dialog.dismiss();
}
return true;
}
})...
Classpath including JAR within a JAR
...ication and its required libraries, there are two ways (that I know of) to do that. The first is One-Jar, which uses a special classloader to allow the nesting of jars. The second is UberJar, (or Shade), which explodes the included libraries and puts all the classes in the top-level jar.
I should...