clouseau | Discover java object sizes through questionable sleuthing | Runtime Evironment library
kandi X-RAY | clouseau Summary
kandi X-RAY | clouseau Summary
Clouseau is a JVM library designed to help estimate the in-memory size of various objects on the JVM. This is done using the machinery provided by java.lang.instrument.Instrumentation as well as the Java reflection API. Currently you can build the project and use the JAR file it produces in your won projects. The ultimate goal (not yet realized) is to provide an SBT plugin that makes it easy to launch tests (or a console) from SBT with the instrumentation automatically set up.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of clouseau
clouseau Key Features
clouseau Examples and Code Snippets
import clouseau.Calculate
val interestingObject = ...
// all sizes represented in bytes
val x: Long = Calculate.sizeOf(interestingObject)
val y: Long = Calculate.staticSizeOf(interestingObject)
val z: Long = Calculate.fullSizeOf(interestingObject)
import clouseau.Mode.JustClass
import clouseau.Calculate.{calculate, sizeOf}
import scala.collection.mutable
val s = mutable.Set.empty[Long]
val m0 = (1 to 100).iterator.map(i => (i, i.toString)).toMap
val bytes0 = calculate(m0, s, JustClass).by
LADY LITTON
I hope you locate the trouble, monsieur.
INSPECTER CLOUSEAU
Madame, it is my business to locate trouble.
Clouseau turns and collides painfully with the doorway.
INSPECTER
Community Discussions
Trending Discussions on clouseau
QUESTION
In order to ask my question, I will be referring to @Brian Rogers 's answer here. In this answer ReadJson is doing something relatively simple. How could I however add a layer in there in order to manipulate the incoming Json string before deserialising it into an object and then returning it?
Here is the type of things I would like to do (modified version of Brian's WrappedObjectConvert class):
...ANSWER
Answered 2021-Apr-30 at 07:04From your question and comments it sounds like you have some complex JSON and your goal is to flatten it down into a simpler class structure. But you have some additional constraints:
- The target classes for deserialization don't have default (parameterless) constructors.
- You want to map the keys in the JSON to differently-named properties in the classes.
- For some properties you want to translate the values as well (e.g. convert true to false and vice versa).
- You want to keep the mapping logic all in one place, separate from the classes.
You can do all this with a custom JsonConverter
. The key is to load the JSON data into a JObject
inside the converter. From there you can use SelectToken
to specify paths to retrieve specific pieces of data from the JObject
. You can then use these pieces to construct your objects via their non-default constructors. At the same time you can translate any values that require it.
For example, let's say you are starting with the JSON in your question, and the classes you really want to deserialize to look like this:
QUESTION
I am trying to move some common logic from multiple of my models in NativeScript to one seperate file that I want to require in my models. I don't have any Javascript experience and wanted to make a class like you'd do in Java however this appearantly doesn't work.
Can anybody explain what goes wrong and how I'd have to go about this?
This is what I currently have (example code):
CommonLogic.js
...ANSWER
Answered 2018-Apr-19 at 20:07When you created the below function
QUESTION
I've never seem to have this problem before, but why don't the H1 and H2 elements align evenly on the left when I specifically apply margin-left to them?
Here is the problem code:
...ANSWER
Answered 2017-Aug-24 at 07:07h1
and h2
have different font-size property (2em for h1
and 1.5em
for h2
in Chrome for instance) and when you give margin-left
as 1em it evaluates to different values in pixels for h1
and h2
.
QUESTION
I have a random name generator that is supposed to pull one name (or object) from an array and post it when the dom loads. It works however I found out when I scroll it cycles through the entire array which it's not supposed to do.
So the error is the dom loads, one name (or object) is pulled from the array and displays. However when you scroll it continuously pulls other names and writes it in the dom instead.
Here is the code that's giving me the grief:
The Array
...ANSWER
Answered 2017-Aug-15 at 00:42You should save the name in the state, otherwise you'll generate a new name on every render:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install clouseau
You can also use Clouseau manually using -javaagent explicitly.
version 0.2.2, scala 2.12.
version 0.2.2, scala 2.11.
version 0.2.2, scala 2.10.
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