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Why doesn't Java Map extend Collection?
...tion?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-va...
SQLAlchemy: What's the difference between flush() and commit()?
What the difference is between flush() and commit() in SQLAlchemy?
5 Answers
5
...
Error message “Forbidden You don't have permission to access / on this server” [closed]
I have configured my Apache by myself and have tried to load phpMyAdmin on a virtual host, but I received:
34 Answers
...
How to reference generic classes and methods in xml documentation
... Not sure what you mean about that. I have never had to add those, and it has always worked for me. Do you have a specific example where it doesn't work? If so, please post it somewhere (or even provide an answer yourself.)
– Lasse V. Karlsen
Oct 26 '11...
Angular js init ng-model from default values
... your Angular HTML templates, then pull down your values via $http in JSON and put them in your scope.
So if at all possible, do this:
app.controller('MyController', function($scope, $http) {
$http.get('/getCardInfo.php', function(data) {
$scope.card = data;
});
});
<input type=...
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
Why does this go into an infinite loop?
...ew MutableInt(valueBeforeIncrement);
}
Right? Increment the value passed and return the original value: that's the definition of the postincrement operator.
Now, let's see how this behavior plays out in your example code:
MutableInt x = new MutableInt();
x = postIncrement(x);
postIncrement(x) ...
Are PDO prepared statements sufficient to prevent SQL injection?
...erver's expecting on the connection both to encode ' as in ASCII i.e. 0x27 and to have some character whose final byte is an ASCII \ i.e. 0x5c. As it turns out, there are 5 such encodings supported in MySQL 5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very i...
How to get height of entire document with JavaScript?
...compatibility nightmare because, although all browsers expose clientHeight and scrollHeight properties, they don't all agree how the values are calculated.
There used to be a complex best-practice formula around for how you tested for correct height/width. This involved using document.documentEleme...
How to trigger Autofill in Google Chrome?
...uture readers: give your up-votes to her answer.
This is a great question and one for which documentation is surprisingly hard to come by. Actually, in many cases you will find that the Chrome Autofill functionality "just works." For example, the following snippet of html produces a form which, at ...