gbox | 🎨 A multi-platform graphic library | Graphics library
kandi X-RAY | gbox Summary
kandi X-RAY | gbox Summary
gbox is a mutli-platform c graphic library. It is now in the early stages of development only for reference and learning. If you are interesting to this project, please view the source code. please install xmake first: xmake.
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QUESTION
I'm not sure what is going on, but every time I try to run this in my R script, I get no issues. When I run it in R Markdown, it produces errors despite pre-loading all of the necessary packages and data. I will list the error below. First, I will show what I have for a script.
Here is the dput for my data:
...ANSWER
Answered 2021-Dec-23 at 07:48You need to know the current directory before executing the code. You can get it using getwd().
The working directory of your R console and the working directory of the R markdown file that you have created is different.
R markdown documents are compiled separately in separate R sessions. So your, current R console has nothing to do with the compilation of the R markdown documents.
Once, you get the current working directory with getwd(). You need to change it with the correct path where your R markdown file is saved using setwd().
EDIT The only thing I did different that your code is as follows:
QUESTION
I'm trying to write a macro that generalizes serde_yaml deserialization for any struct so I don't have to rewrite the same thing over and over again. The only thing that is messign me up right now is the repetition inside a pattern.
Macro:
...ANSWER
Answered 2021-Sep-29 at 20:16That specific error is due to a missing comma in a line near the bottom:
QUESTION
Hi Im developing a system wherein we integrate google classroom. So Im using the classroom API when turning in student submission. I got an error that says permission denied. I read from other article too that it got permission denied when coursework/assignment itself is not created using the Google Script or using the Classroom API. So i created another coursework/assignment within that system using the classroom api. i tried the function modifyAttachment, it works well but when i used the turnIn function permission denied. Im using laravel framework.
My code:
...ANSWER
Answered 2021-May-29 at 16:35Lets see if i can explain your issue without seeing your code.
What you need to understand is the diffrence between private and public data. Public data is data that is not owned by anyone private data is owned by someone and you need that persons permission in order to access it.
If you check Classroom api each method is represented here.
Each method that accesses private user data will tell you what access you need in order to access it
When you wrote your application you added something called scopes, these define the scope of access your application needs in order to run. The error message you are getting means that you are trying to access a method that you have not been granted to use yet. So you need to fix theses and request authorization of the user again.
QUESTION
We are trying to use Gstreamer's mpegts pluging to record a video stream stream using the following Gstreamer example code https://gstreamer.freedesktop.org/documentation/mpegtsmux/mpegtsmux.html?gi-language=c. When we compile the code using gcc mpegtstest.c -o mpegtstest `pkg-config --cflags --libs gstreamer-1.0 gstreamer-mpegts-1.0` -v everything works as expected and the program records with no issues. We are now trying to compile the code using cmake and make. cmake generates correctly but make fails with error.
/usr/bin/ld: cannot find -lgstreamer-mpegts-1.0.
CMakeLists.txt
...ANSWER
Answered 2021-Feb-26 at 01:08Based on your cmake output, I'd guess that you're using a version of FindGStreamer.cmake cribbed from WebKit. If that's the case, the variable you want to use is GSTREAMER_MPEGTS_INCLUDE_DIRS. Note the lack of a hyphen in the variable name.
If that's not the case, use a simple message() statement before the use of a variable to show you its value during the cmake step.
In your CMakeLists.txt:
QUESTION
I want to define properties on a custom GObject-based class with the type of the property being GstStructure *. This is a registered GType, but not a subclass of GObject. Properties are set and retrieved as GValue, but GValue doesn't seem to support GType values. It is possible to create a g_param_spec_gtype, but the GType parameter to that factory function is called is_a_type, which is confusing, because it implies boolean, so I'm not sure what this type of param spec is for. Should I just register it as a pointer and sacrifice some type-safety for simplicity, or are you supposed to use GBoxed?
ANSWER
Answered 2020-Aug-19 at 11:22The GParamSpec for GType is for storing an actual GType value, not for storing instances of a type registered in the type system.
There are no GParamSpec provided by GLib for fundamental instantiatable types—i.e. types that inherits from GTypeInstance but do not derive from GObject—because GLib can't know anything about them: they are a separate hierarchy.
If a library is providing you with a fundamental instantiatable type, then the same library should also provide you with:
GValuewrappers, for boxing and unboxing instances in properties and signals- a
GParamSpectype and an API to define GObject properties
The GstStructure type, though, is a reference counted plain old data type, and it inherits from GBoxed; this means you can use g_param_spec_boxed() to define a property that holds a GstStructure instance.
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