scancontext | Global LiDAR descriptor for place recognition | Image Editing library

by irapkaist C++ Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | scancontext Summary

scancontext is a C++ library typically used in Media, Image Editing applications. scancontext has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Global LiDAR descriptor for place recognition and long-term localization

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Support

scancontext has a low active ecosystem.

It has 703 star(s) with 152 fork(s). There are 25 watchers for this library.

It had no major release in the last 6 months.

There are 9 open issues and 14 have been closed. On average issues are closed in 26 days. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of scancontext is current.

Quality

scancontext has no bugs reported.

Security

scancontext has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

scancontext does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

scancontext releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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scancontext Key Features

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scancontext Examples and Code Snippets

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Community Discussions

Trending Discussions on scancontext

LLDB fails to examine global variables

How to CPU Profile Wildfly10 using VisualVM?

QUESTION

LLDB fails to examine global variables

Asked 2021-Feb-19 at 18:38

A global var is defined in my framework var showersInProgress: [ProgressShower] = []

It's global so that I can stop the program and hopefully examine the state like so:

...

ANSWER

Answered 2021-Feb-19 at 18:38

frame variable only shows statics in the CompileUnit of the current frame. If you want to see all the globals you need to use target variable. Note, however, target variable only searches the shared library of the current frame. You can add the --shlib flag to direct the search to a specific shared library.

Source https://stackoverflow.com/questions/66261233

QUESTION

How to CPU Profile Wildfly10 using VisualVM?

Asked 2019-May-21 at 15:37

Problem: I have an J2EE application that is running very slow for a given task (to generate some files) using a specific data set. I decided to run the visualvm profiler over the application to understand the nature of the problem. The application is running over Widlfly 10 using the latest Java 8.

To avoid configuration complexity, both profiler (visualvm) and Wildfly server are running locally.

The first problem met was the JVMTI error 62, that was resolved using the -Xverify:none as jvm parameter.

The second problem (the blocking one) is that if I run the profiler when the application is deployed and running, the Wildfly deployment scanner throws Exceptions like this one:

...

ANSWER

Answered 2018-Aug-06 at 17:43

Finally, I put to work the visualVM Profiler... These are the steps that you need to do in order to execute a Wildfly 10 CPU profile using VisualVM (both executed locally!!):

Download the latest VisualVM (In my case was the version 1.4.1).
Download JDK10 ... You will need the JDK10 in order to run the VisualVM only. This step is required because of this bug (this was the bug that I was getting before when profiling the application)
Change the visualVM configuration file (/etc/visualvm.conf) to point to your JDK10 installation...
Go to /profiler/lib and copy the library: jfluid-server.jar into: /standalone/lib/ext ... This library is required to overcome the following error: java.lang.NoClassDefFoundError: org/netbeans/lib/profiler/server/ProfilerRuntimeCPUFullInstr (More about this error in here and here)
Next, modify the wildfly startup script to include the package org.netbeans.lib.profiler.server in the SystemProperty: jboss.modules.system.pkgs. Example: -Djboss.modules.system.pkgs=org.jboss.byteman,org.netbeans.lib.profiler.server. (According to this link, this property forces the wildfly to locate such package from any classloader)
Start the visualVM.
Start the wildfly server (including your application EAR/WAR/JAR application)... NOTE: I was running the wildfly server from Eclipse using JBoss Tools; under this configuration, my application (WAR) was in exploded mode!
Go to visualVM, open the org.jboss.modules.Main process. Then go to the profiler tab. Modify the target Profile classes and Outgoing calls and put the Classes that you want to monitor/profile (NOTE: For now, the winner configuration for me was: Profile classes: my.package.** and Include outgoing calls: my.package.**)
Hit the CPU Button, wait for the VisualVM to instrument your target classes and then invoke the code that is running slow; later, analyze the results...