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How do I clone a generic List in Java?
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docs.oracle.com/javase/8/docs/api/java/util/… Doesn't work because the list sizes are different.
– MLProgrammer-CiM
Mar 30 '16 at 17:59
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How to get the first element of the List or Set? [duplicate]
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In Java >=8 you could also use the Streaming API:
Optional<String> first = set.stream().findFirst();
(Useful if the Set/List may be empty.)
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...n this document Google JSON Style Guide (recommendations for building JSON APIs at Google),
It recommends that:
Property names must be camelCased, ASCII strings.
The first character must be a letter, an underscore (_) or a dollar sign ($).
Example:
{
"thisPropertyIsAnIdentifier": "identifie...
Java SecurityException: signer information does not match
...ependency:tree|grep servlet
Its output:
[INFO] +- javax.servlet:servlet-api:jar:2.5:compile
[INFO] +- javax.servlet:jstl:jar:1.2:compile
[INFO] | +- org.eclipse.jetty.orbit:javax.servlet.jsp:jar:2.2.0.v201112011158:compile
[INFO] | +- org.eclipse.jetty.orbit:javax.servlet.jsp.jstl:jar:1.2.0.v20...
Find the number of downloads for a particular app in apple appstore [closed]
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As for iTunes Connect there is now an API, see: stackoverflow.com/questions/1619172/itunes-connect-api
– nylund
Sep 18 '12 at 10:18
add a ...
How to play a notification sound on websites?
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Advantages:
JavaScript-plugin for playing sounds based on Web Audio API with fallback to HTML5 Audio.
Plugin is working on most popular desktop and mobile browsers and can be used everywhere, from common web sites to browser games.
Audio-sprites support included.
No dependecies (jQuery not re...
Making a private method public to unit test it…good idea?
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Personally, I'd rather unit test using the public API and I'd certainly never make the private method public just to make it easy to test.
If you really want to test the private method in isolation, in Java you could use Easymock / Powermock to allow you to do this.
You h...
AWS S3 copy files and folders between two buckets
... can get the code name for your bucket's region with this command:
$ aws s3api get-bucket-location --bucket my_bucket
By the way, using Copy and Paste in the S3 web console is easy, but it seems to download from the source bucket into the browser, and then upload to the destination bucket. Using ...
Advantage of creating a generic repository vs. specific repository for each object?
...ed, not every entity has a repository. Queries vary wildly; the repository API becomes as unique as the entity itself.
A pattern I often use is to have specific repository interfaces, but a base class for the implementations. For example, using LINQ to SQL, you could do:
public abstract class Repo...
How to determine CPU and memory consumption from inside a process?
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Some of the above values are easily available from the appropriate WIN32 API, I just list them here for completeness. Others, however, need to be obtained from the Performance Data Helper library (PDH), which is a bit "unintuitive" and takes a lot of painful trial and error to get to work. (At lea...