scm | A C state machine framework based on SCXML

 by   zen747 C++ Version: Current License: Apache-2.0

kandi X-RAY | scm Summary

kandi X-RAY | scm Summary

scm is a C++ library typically used in User Interface applications. scm has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

This is a c++ library supporting statechart (in scxml format) originated by David Harel. Features like hierarchical states, parallel states, and history are ready for you to command. You won't find another one as easy and flexible to use as SCM. Just read this simple example. Build this and run it, you should see: """ come to exist we are going to... *** Hello, World! ***. start living start eating start moving stop eating stop moving no longer live end """. Read the tutorials at English.
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            kandi-support Support

              scm has a low active ecosystem.
              It has 11 star(s) with 3 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              scm has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of scm is current.

            kandi-Quality Quality

              scm has 0 bugs and 0 code smells.

            kandi-Security Security

              scm has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              scm code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              scm is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              scm 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.
              It has 77 lines of code, 15 functions and 2 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of scm
            Get all kandi verified functions for this library.

            scm Key Features

            No Key Features are available at this moment for scm.

            scm Examples and Code Snippets

            No Code Snippets are available at this moment for scm.

            Community Discussions

            QUESTION

            does --quit leave you with a clean index and worktree after a rebase or a cherry-pick operation?
            Asked 2022-Apr-14 at 23:00

            I know that --quit does not change your HEAD pointer, so any commits made successfully during a rebase or cherrypick are still there.

            But what I'm unsure of is, in case a conflict happened during a cherry-pick or a rebase, whether using --quit clear the changes brought about by the conflict, such as the successfully added changes, the conflict markers in the working directory, the multiple versions in the index etc ?

            The git rebase documentation has the following:

            --quit Abort the rebase operation but HEAD is not reset back to the original branch. The index and working tree are also left unchanged as a result.

            the cherry-pick documentation is less clear about the effects on the index and work tree:

            --quit Forget about the current operation in progress. Can be used to clear the sequencer state after a failed cherry-pick or revert.

            But this otherwise excellent answer in SO has the following:

            But if you choose --quit, Git terminates the rebase without moving HEAD, so that you wind up with:

            but a clean index and work-tree. So you don't have to be clever enough to attach a branch name before the --quit.

            So which is it ? I know that in a merge --quit will not clear the mess that a merge conflict makes in your index and work tree, it just abandons the merge head state. is it different in case of a cherry pick or a rebase ?

            ...

            ANSWER

            Answered 2022-Apr-14 at 23:00

            It really depends on the state you had at the time you issue the --quit: Git just stops here. I'll update the other answer to indicate that you can then git reset --hard to make it "clean" if you want, or leave it "dirty" if you want.

            Source https://stackoverflow.com/questions/71876806

            QUESTION

            Azure Pipeline maven release:perform fails with "The git-clone command failed."
            Asked 2022-Mar-18 at 10:34

            currently, I try to build a spring boot application and make releases with Azure Pipelines and maven-release-plugin.

            My Azure Pipeline YAML Looks like this:

            ...

            ANSWER

            Answered 2022-Feb-09 at 08:01

            Ok, I found a solution for me that involves using the Azure DevOps Git SSH URL and not the HTTPS.

            First of all, I created a SSH Key according to this Use SSH key authentication or choose your Git providers tutorial.

            Once you have your SSH private and public key, you need to install the SSH Key into your YAML pipeline. See Install SSH Key task.

            Source https://stackoverflow.com/questions/70946651

            QUESTION

            Interoperability of Mercurial 6 with other VCSes
            Asked 2022-Mar-04 at 18:12

            Some years ago, Mercurial | TortoiseHG could exchange data bidirectionally easy with at least 2 Big Brothers:

            Current (6.0 versions of family) state - the ordinary users have none:

            • hg-subversion is broken (extension can't be loaded), bundled with THG (Mercurial ???) extension not updated since 2019 hgsubversion: 6a6ce9d9da35 2019-04-19 (extraction from my TortoiseHg\extension-versions.txt), external SVN-bindings exist only for Python 2.7 (while py3-movement inside Mercurial is live and active)
            • hg-git got some big troubles, starting from THG 4.9 (manual patching of library.zip was required), on 6 version the situation has gotten better (no patching), but still unsatisfactory for the common user - installing Python 2.7 (for single-user) and using pip isn't The Right Way (tm)

            Are there any comments, additions, clarifications, recommendations on how to do it (if what I am doing is wrong)?

            Addition after some testing: special verson tortoisehg-6.0hggit-x64.msi from Matt Harbison at least allow using hg-git with ssh-transport (not http yet) and can be recommended for every-day usage by ordinary user.

            ...

            ANSWER

            Answered 2022-Mar-04 at 18:12

            So, as a current maintainer of hg-git and former contributor to hgsubversion, I think I can provide some context here.

            Regarding hgsubversion, the short answer that it is either dead or — at best — extremely dormant. Personally, I have not interacted with a Subversion repository in years, and that's a common experience. No-one has been sufficiently motivated to fix bugs, keep it working, and — last, but not least — make it work with Python 3.

            For hg-git, a period of semi-dormant state meant that the TortoiseHg maintainers stopped bundling it. We now keep up with Mercurial releases, and I've requested that they reverse that decision. I believe they bundle Dulwich, but as I don't use Windows, I can't say for sure. That said, it's quite reasonable to want to use hg-git with TortoiseHg, and if you run into any specific issues, I'd suggest you file a bug with them — or perhaps add a comment to the bug I linked earlier.

            Generally speaking, you should be able to use 0.10.x version of hg-git with most versions of TortoiseHg, as I believe they bundle Dulwich. In that case, enabling the extension should be as simple as:

            Source https://stackoverflow.com/questions/70490564

            QUESTION

            nexus-staging-maven-plugin: maven deploy failed: An API incompatibility was encountered while executing
            Asked 2022-Feb-11 at 22:39

            This worked fine for me be building under Java 8. Now under Java 17.01 I get this when I do mvn deploy.

            mvn install works fine. I tried 3.6.3 and 3.8.4 and updated (I think) all my plugins to the newest versions.

            Any ideas?

            ...

            ANSWER

            Answered 2022-Feb-11 at 22:39

            Update: Version 1.6.9 has been released and should fix this issue! 🎉

            This is actually a known bug, which is now open for quite a while: OSSRH-66257. There are two known workarounds:

            1. Open Modules

            As a workaround, use --add-opens to give the library causing the problem access to the required classes:

            Source https://stackoverflow.com/questions/70153962

            QUESTION

            Difference between lightweight checkout and shallow clone in Jenkins
            Asked 2022-Feb-11 at 09:34

            In the pipeline SCM configuration of Jenkins job builder, we have two options- lightweight checkout and shallow clone. What is the difference between these options and when do we use each option?

            ...

            ANSWER

            Answered 2022-Feb-11 at 09:34

            From the documentation:

            Shallow clone.
            Perform a shallow clone, so that git will not download the history of the project, saving time and disk space when you just want to access the latest version of a repository.

            Lightweight checkout.
            If selected, try to obtain the Pipeline script contents directly from the SCM without performing a full checkout. The advantage of this mode is its efficiency; however, you will not get any changelogs or polling based on the SCM. (If you use checkout scm during the build, this will populate the changelog and initialize polling.) Also build parameters will not be substituted into SCM configuration in this mode. Only selected SCM plugins support this mode.

            To sum up:

            • Shallow Clone is the Git feature that lets you pull down just the latest commits, not the entire repo history. So if your project has years of history, or history from thousands of commits, you can select a particular depth to pull.
            • Lightweight checkout is a Jenkins capability that enables to pull a specific file from the repo, as opposed to the entire repo. So it is useful for example when fetching the Jenkinsfile from a repo because you you need only the specific file and Don't care about other SCM information.

            Source https://stackoverflow.com/questions/71075545

            QUESTION

            Java 17: Maven doesn't give much information about the error that happened, why?
            Asked 2022-Feb-04 at 20:28

            I'm upgrading from JDK 8 to JDK 17 and I'm trying to compile with mvn clean install -X -DskipTests and there's no information about the error.

            Btw, I'm updating the dependencies and after that I compile to see if has errors. I need to update some dependencies such as Spring, Hibernate etc. I already updated Lombok.

            I added the -X or -e option but I got the same result.

            What can I do to get more information about the error? The log shows that it was loading hibernate-jpa-2.1-api before failed... so that means the problem is in this dependency?

            ...

            ANSWER

            Answered 2021-Oct-19 at 20:28

            This failure is likely due to an issue between java 17 and older lombok versions. Building with java 17.0.1, lombok 1.18.20 and maven 3.8.1 caused a vague "Compilation failure" for me as well. I upgraded to maven 3.8.3 which also failed but provided this detail on the failure:

            java.lang.NullPointerException: Cannot read field "bindingsWhenTrue" because "currentBindings" is null

            Searching for this failure message I found this issue on stackoverflow leading me to a bug in lombok. I upgraded to lombok 1.18.22 and that fixed the compilation failure for a successful build.

            Source https://stackoverflow.com/questions/69272445

            QUESTION

            Where is source code for git hosted ? Is it at github or some other sites?
            Asked 2022-Jan-05 at 18:23

            The git-scm website says that it's at github under the download section.

            However Wikipedia says it's at git.kernel.org. There's also corresponding clone links in that site.

            ...

            ANSWER

            Answered 2022-Jan-05 at 18:23

            https://git.kernel.org is correct, specifically https://git.kernel.org/pub/scm/git/git.git/.

            https://github.com/git/git has "About" text that indicates it is a mirror:

            Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/).

            git-scm.com seems to be only semi-official: It's linked from the source tree's README but per the About this site link at the bottom, git-scm is an open-source third-party piece of documentation that became the Pro Git book (advertised in the left column). Since the official repo is based on cgit and is relatively minimal in its UI, I imagine GitHub and git-scm are more welcoming to newcomers and thus more popular.

            Source https://stackoverflow.com/questions/70597195

            QUESTION

            Merging a Branch on Git Basic Questions
            Asked 2021-Dec-15 at 13:23

            This is a very beginner question on Git. I am following along the book here and website here with respect to branching and merging.

            I have a readme file on github that I pull onto my local machine where i create a branch, update the readme file and attempt to merge it back to the main/origin. I cant seem to get the last step right and i would appreciate any pointers.

            ...

            ANSWER

            Answered 2021-Dec-15 at 13:23

            You want to go back from branch issue-1 to master or main.

            You should do git checkout master or git checkout main instead of git checkout origin.

            origin is the name of the remote (which is GitHub in your case). Not the name of a branch.

            Source https://stackoverflow.com/questions/70364405

            QUESTION

            Publishing a .NET 6 project with C# 10 implicit usings via Visual Studio 2022
            Asked 2021-Dec-14 at 19:31

            When publishing an ASP.NET Core 6 web application with C# 10's enabled to an Azure App Service from a Visual Studio 2022 publishing profile, the publishing build fails due to missing using statements.

            Background

            C# 10 introduces the new implicit usings feature, where certain using directives are treated as global using directives based on the SDK. This can be enabled with the following csproj configuration:

            ...

            ANSWER

            Answered 2021-Nov-10 at 22:58

            First of all, it appears that this was a false alarm. I apparently neglected to finish rebooting my workstation after installing the release version of Visual Studio 2022. After restarting, I am now able to publish with full support for implicit usings. Whoops.

            That said, this does provide a good opportunity to offer some insight into what I discovered after the fact, which may help future readers with similar types of issues—and certainly helped me better understand the integration between the various command-line tools.

            Command-Line Arguments

            Notably, there doesn't appear to be any command-line parameters for handling implicit usings built into any of the following tools:

            • .NET 6.0 SDK (dotnet.exe)
            • Visual C# compiler (csc.exe)
            • Microsoft Build Engine (msbuild.exe)
            Microsoft Build Support

            Instead, this is handled via the Microsoft Build Engine (msbuild.exe) when working off of a C# project file (*.csproj), at which point it generates the following intermediate file at:

            Source https://stackoverflow.com/questions/69907525

            QUESTION

            what does git merge - do, is that dash syntax merge specific?
            Asked 2021-Dec-11 at 01:25

            One my colleagues accidentally ran git merge - and it seemed to merge the branch they were last on. Fascinating. git describe - errors out fatal: Not a valid object name -. git symbolic-ref --short - also errors out with fatal: ref - is not a symbolic ref.

            It's obviously(?) impossible to search for this. Where is this documented, is this merge specific, if not where else could it be used?

            Edit: our principal sw engineer pointed out https://git-scm.com/docs/git-checkout You may also specify - which is synonymous to @{-1} so I guess the same happens to git merge but a) it's not documented under git merge b) git describe or git log doesn't work with - while both work with @{-1} c) it's still not clear where else could it be used especially if it's undocumented.

            ...

            ANSWER

            Answered 2021-Dec-11 at 01:25

            The dash syntax to represent @{-1} is implemented in some commands and not others, and its design comes from cd, which typically supports a similar feature (switching to the last directory).

            It's known upstream that it's not implemented in all commands, and the threshold for implementing it is roughly, "Is it useful in this case to refer to the immediately previous branch in this context?" Clearly it's useful in checkout, switch, and restore, but nobody thought it was useful in log, so it wasn't implemented. If you can make a compelling argument for implementing it, patches would be welcome. The Git list has received patches for this in the past.

            The reason it doesn't work everywhere is because it's implemented on a command-by-command basis instead of in the revision parsing machinery, like @{-1} is. Things implemented in the revision parsing machinery (documented in the gitrevisions(7) manual page) will be available everywhere.

            Source https://stackoverflow.com/questions/70310199

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