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How to serialize Joda DateTime with Jackson JSON processor?
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This has become very easy with Jackson 2.0 and the Joda module.
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new JodaModule());
Maven dependency:
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactI...
How do I prevent the modification of a private field in a class?
... strangely not! My solution would also be to use the list from the outside and wrap the array as follows:
String[] arr = new String[]{"1", "2"};
public List<String> getList() {
return Collections.unmodifiableList(Arrays.asList(arr));
}
The problem with copying the array is: if you're d...
Completion handler for UINavigationController “pushViewController:animated”?
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See par's answer for another and more up to date solution
UINavigationController animations are run with CoreAnimation, so it would make sense to encapsulate the code within CATransaction and thus set a completion block.
Swift:
For swift I suggest cr...
Angular ng-if=“” with multiple arguments
I am trying to get started on angular development. And after reviewing the documentation some questions persist. How do i best write a ng-if with multiple arguments corresponding to
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...ins a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
6 ...
Paging UICollectionView by cells, not screen
I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops.
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How to declare a type as nullable in TypeScript?
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All fields in JavaScript (and in TypeScript) can have the value null or undefined.
You can make the field optional which is different from nullable.
interface Employee1 {
name: string;
salary: number;
}
var a: Employee1 = { name: 'Bob', sal...
Apache POI Excel - how to configure columns to be expanded?
... Just wanted to point out that autoSizeColumn does not scale well and will be super slow if you have lots of rows. I had to get a little hacky and do something similar to what was suggested in this question.
– lbstr
Apr 17 '14 at 20:17
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GetType() can lie?
Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type .
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What does HTTP/1.1 302 mean exactly?
...e value of the original URL, while the 302 keeps the value of the original and can thus potentially reduce the value by creating two, logically-distinct URLs that each produce the same content (search engines view them as distinct duplicates rather than a single resource with two names).
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