OCM | An ORM layer for the Apache Cassandra web scale database | Database library

 by   charliem Java Version: Current License: Apache-2.0

kandi X-RAY | OCM Summary

kandi X-RAY | OCM Summary

OCM is a Java library typically used in Manufacturing, Utilities, Automotive, Database applications. OCM has no vulnerabilities, it has a Permissive License and it has low support. However OCM has 1 bugs and it build file is not available. You can download it from GitHub.

OHM is an interface tool for the Apache Project's clustered database engine, Cassandra. OCM is licensed under the Apache License, Version 2.0 a copy of which is included in the license file. Interfacing a client application directly with Cassandra can be difficult since it lacks many features of a traditional relational database such as the lack of Data Types. OCM solves this by providing an ORM like interface, or at least a weakly relational one, for client applications to interact with. This is achieved by the developer creating a OCM spec file which sets out the structure of the data inside the database. The developer the feeds these spec files into the OCM Complier which generates the interface code in a supported high level language. This generated code can then be included in the client application to interact with the database.
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            kandi-support Support

              OCM has a low active ecosystem.
              It has 20 star(s) with 0 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 5 have been closed. On average issues are closed in 4 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of OCM is current.

            kandi-Quality Quality

              OCM has 1 bugs (0 blocker, 0 critical, 1 major, 0 minor) and 699 code smells.

            kandi-Security Security

              OCM has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              OCM code analysis shows 0 unresolved vulnerabilities.
              There are 1 security hotspots that need review.

            kandi-License License

              OCM 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

              OCM releases are not available. You will need to build from source code and install.
              OCM has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              OCM saves you 3099 person hours of effort in developing the same functionality from scratch.
              It has 6673 lines of code, 545 functions and 72 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed OCM and discovered the below as its top functions. This is intended to give you an instant insight into OCM implemented functionality, and help decide if they suit your requirements.
            • Saves the data
            • Convert a boolean value to a byte array
            • Returns the error message
            • Escape special characters
            • Delete the table
            • Load accounts from the database
            • Deletes the current user record
            • Load accounts
            • Returns the next row
            • Get the rows from the table
            • Saves the table
            • Tries to get user by email address
            • Get the token at index
            • Return the next token
            • Get suffix
            • Add a child
            Get all kandi verified functions for this library.

            OCM Key Features

            No Key Features are available at this moment for OCM.

            OCM Examples and Code Snippets

            No Code Snippets are available at this moment for OCM.

            Community Discussions

            QUESTION

            Golang compilation error: undefined private function "findCluster" in exported function
            Asked 2020-Feb-27 at 11:25

            I have the following code written in package test/api under project A:

            ...

            ANSWER

            Answered 2020-Feb-27 at 11:25

            You need to move the findCluster declaration to a non-test file if you don't want it to be omitted when the package is imported.

            When compiling packages, build ignores files that end in '_test.go'.

            https://golang.org/cmd/go/#hdr-Compile_packages_and_dependencies

            Source https://stackoverflow.com/questions/60431656

            QUESTION

            Nginx regex location, escaping the forward slash?
            Asked 2020-Jan-21 at 15:27

            Nginx uses the PCRE engine for evaluating regular expressions, the documentation state that / delimiter is not used so we don’t have to escape the forward slash / in an URI as we may do in a standard regex. An example of a valid nginx regex is location ~* /myapp/.+\.php$

            BUT the following code is escaping the forward slash

            location ~ ^\/(?:index|core\/ajax\/update|ocs\/v2|ocm-provider\/.+)\.php(?:$|\/)

            What does \/ exactly mean in that context and why is it needed when the documentation says otherwise?

            ...

            ANSWER

            Answered 2020-Jan-21 at 15:27

            While Nginx does not require escaping the forward slash / it does not either deny escaping it like we could escape any other character.

            The first purpose of the regex special character \ is meant to escape the next character and thus nginx is just translating/matching \/ to / like it would translate/match \j to literal j (the example have no purpose never the less \j match literal j).

            One purpose of escaping forward slashes in the context of nginx could be for code portability.

            Note that \ followed by a character have probably a different meaning than just escaping the followed char, a complete list is available here

            Source: @monkeyzeus and @richard-smith comments

            Source https://stackoverflow.com/questions/59843131

            QUESTION

            Schema validation errors while parsing:Invalid xsi:type qname
            Asked 2019-Nov-19 at 11:42

            we have one java application which running currently on weblogic 10. we need to deploy this application to weblogic 12.2.1.2. So I have created one weblogic domain in weblogic 12.2.1.2 and I made change in config.xml file according to config.xml which we already have for weblogic 10.

            server and java combination we are using:

            1. weblogic 10 + jrockit_160_05(java)
            2. weblogic 12.2.1 + java 8

            When we start server I getting many error.see the below log.

            ...

            ANSWER

            Answered 2017-May-29 at 10:40

            To fix this issue I have inserted one below line of code in startWeblogic.cmd file.

            set JAVA_OPTIONS=%JAVA_OPTIONS% -Dweblogic.configuration.schemaValidationEnabled=false

            Source https://stackoverflow.com/questions/44150298

            QUESTION

            How to format tick labels in a semilogx subplots
            Asked 2019-Nov-03 at 10:35

            I am trying to change the x_ticks labels of a figure with two subplots to scalar values. That is, I would like to change the 10**0 and 10**1 to 1 and 10 respectively.

            Besides, I would like to set the rest of the tick labels [1,2,3,4,5,6,7,8,9,10]

            The figure code is this:

            ...

            ANSWER

            Answered 2019-Nov-02 at 21:32

            Here is a mcve with exponential tick labels:

            Source https://stackoverflow.com/questions/58674765

            QUESTION

            Why do all these commands on my ocm_cpuminer.exe black screen mean?
            Asked 2019-Jun-05 at 13:49

            I have been using OnclickMiner to Mine for VertCoin, but still can't get exactly what's going on when I run the software. I have installed OneClick Miner and the wallet, to solo-mine. Now, I have enabled the CLI option in the OCM settings to show messages of what is actually going on, but still can't understand those messages.

            What do these lines actually mean? I am attaching a screenshot of the OCM_CPUMiner.exe:

            Now, if you have the expertise, please translate the lines of this black screen. Maybe it could be useful to others too. I have done a lot of search and nothing relevant showed up.

            Incidentally, this is not a question about solo vs pool mining or a choice of which cryptocurrency to mine. Although that discussion would be very useful, I think I must ask in in another thread.

            ...

            ANSWER

            Answered 2018-Dec-21 at 21:43

            Console Output and Meanings:

            Starting Stratum on stratum+tcp://localhost:9181 - The application is starting a stratum server hosted on your machine at port 9181.

            4 miner threads started, using 'lyra2rev2' algorithm - You are mining on 4 different threads, probably each on a different core on your processor. The lyra2rev2 algorithm is used to calculate the proof-of-work.

            Stratum difficulty set to 1 (.00391) - The initial difficulty for mining is set, you will submit blocks that meet that difficulty.

            API bind to port 4084 failed - The application is trying to start an API hosted on your machine on port 4084, but the port is probably unavailable or being used.

            CPU #x: xx kH/s - This shows an updating hash rate per core that your machine is doing. E.g. 0.79 kH/s is doing 790 hashes per second on that core.

            Stratum connection timeout - The stratum sockets are full. Stratum connection interrupted - The stratum connection was disconnected.

            lyra2rev2 block #, diff # - This shows you the current block that has been mined on the network and the current network difficulty to mine the next block.

            accepted 1/1 (diff 0.009), 34.95kH/x yes! - This is a share that was accepted from your miner by the pool you are mining on.

            Source https://stackoverflow.com/questions/53890302

            QUESTION

            Syntax error when copying data from Excel userform to Access table
            Asked 2019-Jun-03 at 09:56

            When trying to copy data from an Excel userform in to an Access table via SQL I am encountering an error on a field that is a Yes/No type in the database. How can I format the info correctly so that it updates the database?

            I have looked at some other examples of copying data into the Yes/No fields in Access, as well as trying my code in a number of different formats, with double quotations, single quotations & as it appears below

            ...

            ANSWER

            Answered 2019-Jun-03 at 09:52

            Column name User is the reserved keyword. Can you add square brackets around the keyword to fix the issue:

            Source https://stackoverflow.com/questions/56424810

            QUESTION

            how to convert data from duplicated list data to list of group data
            Asked 2019-May-17 at 15:14

            The problem is map data from class OldCompanyMovie(ocm : List[(company:String, movie:String, actor:String)])

            to List[CompanyMovie(company:String, movies: List[Movies(movie:String, actors : List[actor:String])])]

            Description : by the actor in the same movie should be list of actor in movie like class Movies(movie: String, actors: List[actor:String])

            same with list actor the movie should be list of movie in company like CompanyMovie(company: String, movies : List[movie:Movies]))

            overall should be List[CompanyMovie(company:String, Movies(mv : List[movie:String, List[actor:String]]))]

            *Update I have tried for a haft of day so nothing be good the result is close to but might be bad performance

            ...

            ANSWER

            Answered 2019-May-17 at 06:58

            My try. I'm not sure it's good practice.

            Source https://stackoverflow.com/questions/56179484

            QUESTION

            Unable to catch PHP file_get_contents error using try catch block
            Asked 2019-Mar-21 at 04:05

            I am trying to fetch an image using file_get_contents function but it gives an error. To handle the error I am using try catch block but it does not catch the error and fails.

            My code:

            ...

            ANSWER

            Answered 2018-Jun-29 at 06:53

            try/catch doesn't work because a warning is not an exception.

            You can try this code so you can catch warnings as well.

            Source https://stackoverflow.com/questions/51095694

            QUESTION

            Understand python3 nested context managers
            Asked 2019-Mar-15 at 09:41

            I have a class:

            ...

            ANSWER

            Answered 2019-Mar-15 at 09:41

            Why does it print Outer enter and Outer exit at all despite using context manager on already created object in a function?

            The with statement you define says that python should call __enter__ before the content of the with statement is executed and __exit__ after that.

            It doesn't matter if the object has allready been initialized. The with statement is going to call __enter__ and __exit__ anyway

            It raises AttributeError: enter

            As you are returning a tuple and the tuple doesn't contain a definition of __enter__ this error is thrown.

            I don't get any errors. Neither I get Inner created and Inner enter. Why is that so?

            You don't get any errors because you use the with statement correctly with your OuterCtxManager and you don't get the output Inner enter and Inner exit because you don't use the with statement on the InnerCtxManager type.

            Source https://stackoverflow.com/questions/55179062

            QUESTION

            Open/Close submenu when clicking the item name
            Asked 2019-Jan-02 at 19:31

            I am having problems with the menu part of a wordpress site (salient theme), when i am on mobile, i open the menu with the hamburger button and have several options, some with sub menus, so the items with sub menus only open when clicking the little arrow icon to the right of the item, i am trying to get it to open also when you click on the item itself by making it so when you click the item it triggers a click on the arrow

            here is the html of the menu

            and here is the javascript i am doing to get it to work(only doing it for the first item with submenu here), i am new to javascript but for what i've seen i think this should work (i am using the Code Snippets plugin for wordpress)

            ...

            ANSWER

            Answered 2018-Dec-30 at 15:25

            For what you seem to want, you almost have it. The only thing that seems to be missing is to prevent the default behavior when you click on the link (which could be a potential problem as pointed on the comments above, because the linked page may be innaccessible through the menu now).

            With .preventDefault() you will prevent the default action for that element for that event, so you would just need to add that:

            Source https://stackoverflow.com/questions/53936923

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install OCM

            You can download it from GitHub.
            You can use OCM like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the OCM component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            https://github.com/charliem/OCM.git

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            gh repo clone charliem/OCM

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            git@github.com:charliem/OCM.git

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