LibraryManage | QT实现的带GUI的图书管理系统
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QT实现的带GUI的图书管理系统
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QUESTION
I have a project which I publish locally to my .m2
directory as a plugin, which later I need to import into a different Scala project and use it.
It seems like the publishing step is executed correctly.
The build.sbt
file of the plugin project looks like this:
ANSWER
Answered 2022-Jan-03 at 07:52You're publishing to your local Maven cache, but sbt uses Ivy.
Try removing the publishTo
setting, it shouldn't be needed. Just use the publishLocal
task to publish to your local Ivy cache.
QUESTION
In my play framework project using SBT, I'm trying to run a custom task before the compile
task. This is easily done by adding this in the build.sbt
.
ANSWER
Answered 2021-Dec-23 at 08:57I can't tell you why you're seeing the behaviour you're observing. I can reproduce the error with SBT 1.3.13. When I use SBT 1.4.9 the custom task only runs once as you would expect.
QUESTION
I followed this doc to call JavaScript function from my C# script in Unity to make a WebGL game.
But there is a problem if the js code contains async/await, for example:
C# script:
...ANSWER
Answered 2021-Nov-11 at 09:27tl;dr: This is how. c#
doesn't need to be aware of the async
and it should work.
I just made a little test using
Assets/Plugins/mylib.jslib
QUESTION
i am trying to setup a simple kafka consumer app , which consumes messages from secure HTTPS kafka cluster .
here is my sbt build file .
...ANSWER
Answered 2021-Oct-19 at 13:20Kafka 6.1.0-ccs is hosted on Confluent.
Try to add:
QUESTION
Context: I'm trying to run the starter sample web application in the Play documentation for Scala: https://www.playframework.com/documentation/2.8.x/HelloWorldTutorial. I confirmed that I have the listed requirements and I've followed the instructions in the README which appear to state you run sbt run in the project directory. I'm raising a ton of errors which seem to indicate I have missing dependencies but I have no idea.
Questions: Can someone please assist in helping me interpret and resolve these errors? Thank you.
...ANSWER
Answered 2021-Oct-05 at 20:23You need to run sbt
in the parent directory, not in the project
directory, i.e. in C:\...\play-samples-play-scala-starter-example\
.
To give more context, SBT is a recursive build tool and the project
directory contains metadata to build the main project but it's not aimed to be built directly.
QUESTION
This is my librarylist component in which i pass deletehandler function to delete the row from library management. I don't know which part of the code is causing the problem. Any helps/suggestions are welcome. LibraryBookList.js
...ANSWER
Answered 2021-Oct-04 at 13:46The code has a few issues: 1) props.onSelect(props.id)
inside onClick
. Instead you should give a referance to that function. 2) You didn't have anything in database
state before you click delete button. That is why ...
spread operator didn't work 3) You are displaying props.database
instead of database
state. That is way the changes didn't show up even after you deleted a bookdata. I also fixed some small issues. Now it is working perfectly:
QUESTION
I have added following dependencies to built.sbt, after running the sbt run
in terminal, I got the bellow error:
ANSWER
Answered 2021-Sep-16 at 07:57Libraries spark-streaming
and spark-core
don't exist, it is spark-streaming_2.12
and spark-core_2.12
, where 2.12 is the Scala version. Currently there are no spark-streaming_3.0
and spark-core_3.0
libraries.
So to solve your issue, you need to:
- downgrade your version of scala from
3.0.2
to2.12.x
(latest current version,2.12.15
) as there is no version of Spark for Scala 3 - use
spark-streaming_2.12
library instead ofspark-streaming
- use
spark-core_2.12
library instead ofspark-core
To use _2.12
version of libraries, you can either add _2.12
to your library name:
QUESTION
I'm new in Spark and it is my first test project. I followed tutorial where everything works but when I tried to introduce it into my machine it didn't work. I faced with errors during building a project. I'm using dependencies:
...ANSWER
Answered 2021-Sep-18 at 10:05It looks like spark 2.3 needs to a compatible scala version, try using 2.11.x
as a scala version.
Source : [sparkDocs]https://spark.apache.org/docs/2.3.0/
`Spark runs on Java 8+, Python 2.7+/3.4+ and R 3.1+. For the Scala API, Spark 2.3.0 uses Scala 2.11. You will need to use a compatible Scala version (2.11.x).
Note that support for Java 7, Python 2.6 and old Hadoop versions before 2.6.5 were removed as of Spark 2.2.0. Support for Scala 2.10 was removed as of 2.3.0.`
QUESTION
Getting back into the Play Framework after a three-year hiatus and trying to start with the latest Play (2.8.0) and sbt (1.5.5).
I am trying to get a project running and receive this message:
...ANSWER
Answered 2021-Aug-13 at 13:39After looking at the Java/JRE/JDK installation, I noticed that there was no cacerts
file. I uninstalled the Java/JRE/JDK - making sure all references/folders/files were removed.
I created an Oracle account to download the install files from Oracle's site, since the OpenJDK was giving me issues.
I downloaded and installed the Java/JRE file jre-8u301-windows-x64.exe
first. I made sure Java was installed by using the java -version
in a command prompt. I was good to go.
I then downloaded and installed the JDK file jdk-8u301-windows-x64.exe
. I made sure Java was installed by using the javac -version
in a command prompt. I was good to go.
I started up sbt and had no problems - it was fixed.
QUESTION
I'm compiling a multi-part Scala project. It's not that large, but some of it is Scala 2.13 and some is Scala 3.
Attempting to compile generates the fatal error [UNRESOLVED DEPENDENCIES: base#base_2.12;0.1.0-SNAPSHOT: not found]
The thing is, the string {0.1.0-SNAPSHOT} doesn't occur anywhere in my build.sbt or anywhere else. It used to be there, but it's long gone. I assume some update cache contains it, but I've been unable to find it.
Here is my {build.sbt}:
...ANSWER
Answered 2021-Jul-30 at 16:11Your base
project is only compiled for Scala 2.13 whereas it is defined as a dependency (using dependsOn
) of trans
which targets Scala 3.
You should cross-build your base
project for Scala 2.13 and 3 (and maybe 2.12 according to your error message even though I don't see any use of Scala 2.12 in what you shared).
Edit: Scala 2.13 and 3 are compatible, so the issue should only happen if a dependency is built only for 2.12.
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