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Spring MVC: How to perform validation?
...is not a unique "cleanest and best way" to validate, but there is probably one that fits your project/problem/context better.
Let's have a User :
public class User {
private String name;
...
}
Method 1 : If you have Spring 3.x+ and simple validation to do, use javax.validation.constra...
Bidirectional 1 to 1 Dictionary in C#
...neric, bidirectional 1 to 1 Dictionary class in C# (2), ie. a BiDictionaryOneToOne<T, S> which is guaranteed to only contain one of each value and key (up to RefEquals anyway), and which can be searched using either key or value. Anyone know of one, or should I just implement it myself? I ca...
Is there a performance difference between i++ and ++i in C++?
..., if i is an instance of a C++ class, then i++ and ++i are making calls to one of the operator++ functions. Here's a standard pair of these functions:
Foo& Foo::operator++() // called for ++i
{
this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) // call...
When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...hen the deferred object is resolved or rejected. It is the same as using .done() or .fail().
You'd use .pipe() to (pre)filter the result somehow. The return value of a callback to .pipe() will be passed as argument to the done and fail callbacks. It can also return another deferred object and the f...
Object comparison in JavaScript [duplicate]
...dexOf(y) > -1) {
return false;
}
// Quick checking of one object being a subset of another.
// todo: cache the structure of arguments[0] for performance
for (p in y) {
if (y.hasOwnProperty(p) !== x.hasOwnProperty(p)) {
return false;
}
...
ASP.NET MS11-100: how can I change the limit on the maximum number of posted form values?
...o address several serious security vulnerabilities in the .NET Framework. One of the fixes introduced by MS11-100 temporarily mitigates a potential DoS attack involving hash table collisions. It appears this fix breaks pages that contain a lot of POST data. In our case, on pages that have very ...
Favicon dimensions? [duplicate]
...will probably show up in almost any browser.
But when you will mark it as one of your favorites on your smartphone or tablet, we will need larger images (60x60 to 144x144).
And lets say one of our users creates a shortcut on their desktop. In that case a 196x196 looks better!
Example code of...
What's the syntax for mod in java
...sEven = true;
}
else
{
isEven = false;
}
This can be simplified to a one-liner:
isEven = (a % 2) == 0;
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What is the easiest way to make a C++ program crash?
...se but I don't actually know the best and shortest way to do that, does anyone know what to put between my:
30 Answers
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How to make an app's background image repeat
...
One thing to keep in mind is that you should have folders drawable-hdpi, drawable-mdpi & drawable-ldpi, you'll need to add this backrepeat.xml file and the relevant images to each of these to allow this functionality in h...