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Are getters and setters poor design? Contradictory advice seen [duplicate]
... more cognitively intense
object.setField(value);
where the client must now check the getter/setter method to see if it has any side-effects.
Second, if you really need to do something else in the method, why call it a get/set method when it's got more responsibilities than simply getting or set...
Is Zookeeper a must for Kafka?
...e Kafka releases are planning to remove the zookeeper dependency but as of now it is an integral part of it.
Here are a few lines taken from their FAQ page:
Once the Zookeeper quorum is down, brokers could result in a bad state and could not normally serve client requests, etc. Although when Zo...
How to use base class's constructors and assignment operator in C++?
... down again using the assignment operator. This seems rather inefficient.
Now if you do an assignment you are copying from the bottom up (or top down) but it seems hard for you to do that and provide a strong exception guarantee. If at any point a resource fails to copy and you throw an exception t...
Where does Java's String constant pool live, the heap or the stack?
I know the concept of a constants pool and the String constant pool used by JVMs to handle String literals. But I don't know which type of memory is used by the JVM to store String constant literals. The stack or the heap? Since its a literal which is not associated with any instance I would assume ...
SQL Server insert if not exists best practice
...
Don't know why anyone else hasn't said this yet;
NORMALISE.
You've got a table that models competitions? Competitions are made up of Competitors? You need a distinct list of Competitors in one or more Competitions......
You shoul...
Performance of Java matrix math libraries? [closed]
... late December 2009. I worked a lot on the packaging, meaning that you can now just download a "fat jar" with ATLAS and JNI libraries for Windows, Linux, Mac OS X, 32 and 64 bit (except for Windows). This way you will get the native performance just by adding the jar file to your classpath. Check it...
Entity Framework rollback and remove bad migration
...se, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database, even the bad migration is applied.
...
How does akka compare to Erlang? [closed]
...e lighter alternative to java for web apps.
– Chris Snow
Nov 30 '13 at 13:42
@FUD: maybe he meant 1000 Erlang instruct...
What is the difference between task and thread?
...vide a rudimentary example of threads working to complete a task? I don't know if the threads are doing work that are independant between each others or do they do some teamwork calculation?
– pensum
Feb 18 at 2:04
...
How to convert a JSON string to a Map with Jackson JSON
..., from many years ago, seems to be helpful and is still getting upvotes, I now use the GSON library from Google, which I find to be more intuitive.
I've got the following code:
public void testJackson() throws IOException {
ObjectMapper mapper = new ObjectMapper();
File from = new File("a...