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Java Hashmap: How to get key from value?
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The BidiMap interface in the Collections library is a bi-directional map, allowing you to map a key to a value (like normal maps), and also to map a value to a key, thus allowing you to perform lookups in both directions. Obtaining a key for a value is supported by the getKey() method.
There is a ...
getting the ng-object selected with ng-change
... int Id { get; set; }
public string Name { get; set; }
}
.NET C# Web Api Controller
public class DepartmentController : BaseApiController
{
[HttpGet]
public HttpResponseMessage Get()
{
var sms = Ctx.Departments;
var vms = new List<DepartmentViewModel>();
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Date format Mapping to JSON Jackson
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Tried all these solutions but was not able to store a Date variable of my POJO into a Map key value, also as Date. I want this to then instantiate a BasicDbObject (MongoDB API) from the Map, and consequently store the variable in ...
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...ove
Marking a reference field with CascadeType.REMOVE (or CascadeType.ALL,
which includes REMOVE) indicates that remove operations should be
cascaded automatically to entity objects that are referenced by that
field (multiple entity objects can be referenced by a collection
field):
@En...
Why doesn't Mockito mock static methods?
... problems misuse/excessive use of static methods can cause. But I didn't really get to the bottom of why it is hard to mock static methods.
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How do I prevent the modification of a private field in a class?
...he correct answer to the question, the best solution to the problem is actually as sp00m says - to return an Unmodifiable List.
– OldCurmudgeon
Feb 11 '13 at 12:10
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How to retrieve a file from a server via SFTP?
...It supports both user/pass and certificate-based logins nicely, as well as all a whole host of other yummy SSH2 features.
Here's a simple remote file retrieve over SFTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/....
Getting A File's Mime Type In Java
...ew File("/path/to/file")
println tika.detect(file)
Keep in mind that its APIs are rich, it can parse "anything". As of tika-core 1.14, you have:
String detect(byte[] prefix)
String detect(byte[] prefix, String name)
String detect(File file)
String detect(InputStream stream)
String detect(Inp...
Access parent URL from iframe
...le to pass messages using postMessage(...), but other JS APIs are intentionally made inaccessible.
It's also still possible to get the URL depending on the context. See other answers for more details.
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How to get the full url in Express?
...ay or may not be the correct value as compared to req.url.
Combine those all together to reconstruct the absolute URL.
var fullUrl = req.protocol + '://' + req.get('host') + req.originalUrl;
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