vertex | Node/React/Redux blog | State Container library
kandi X-RAY | vertex Summary
kandi X-RAY | vertex Summary
This is a simple blog built with Node/React/Redux. It is Dockerized, has server-side rendering and auth. It will also be federated with ActivityPub(still work in progress). It can be useful as an example of integrating these technologies, as a starter project, or as a beautiful and simple blogging tool =). I have tried to extensively comment the code, so you could easily understand what's going on, and apply it to your own projects.
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QUESTION
I'm tying to split my C code in multiple files, since it has more than 3,000 lines now, and I want to organize my code. Here is a simplified version of my code in a single file:
lib.c
...ANSWER
Answered 2021-Jun-14 at 22:13When we split code in c language one of the most important things to notice is to compilation. When code is getting to different files each of the files needs to be compiled separately, this will help in any case of changes to the code since only the changed file would have to be recompiled. The main way to do so is: first create a makefile that includes compiling for each file there is an example for a makefile as such:
a makefile example
QUESTION
I am currently trying to create a program that finds the maximum flow through a network under the constraint that edges with a common source node must have the same flow. It is that constraint that I am having trouble with.
Currently, I have the code to get all flow augmenting routes, but I am hesitant to code the augmentation because I can't figure out how to add in the constraint. I am thinking about maybe a backtracking algorithm that tries to assign flow using the Ford-Fulkerson method and then tries to adjust to fit the constraint.
So my code:
There is a graph class that has as attributes all the vertices and edges as well as methods to get the incident edges to a vertex and the preceding edges to a vertex:
ANSWER
Answered 2021-Jun-14 at 15:28I would guess that you have an input that specifies the maximum flow through each edge.
The algorithm is then:
Because edges with a common source must have same actual, final flow the first step must be a little pre-processing to reduce the max flow at each edge to the minimum flow from the common source.
apply the standard maximum flow algorithm.
do a depth first search from the flow origin ( I assume there is just one ) until you find a node with unequal outflows. Reduce the max flows on all edges from this node to the minimum flow assigned by the algorithm. Re-apply the algorithm.
Repeat step 3 until no uneven flows remain.
=====================
Second algorithm:
Adjust capacity of every out edge to be equal to the minimum capacity of all out edges from the common vertex
Perform breadth first search through graph. When an edge is added, set the flow through the edge the minimum of
- the flow into the source node divided by the number of exiting edges
- the edge capacity
- When search is complete sum flows into destination node.
For reference, here is the C++ code I use for depth first searching using recursion
QUESTION
I tried to change a pair in a vertex from the loop in "setEdge" function but failed. Is there another way to change the value of the pair[1]?
...ANSWER
Answered 2021-Jun-11 at 20:58You set variable t to another value but don't mutate it so the value in neighbors remains the same.
Try something around those lines:
QUESTION
I am currently learning DirectX 12 and trying to get a demo application running. I am currently stuck at creating a pipeline state object using a root signature. I am using dxc to compile my vertex shader:
...ANSWER
Answered 2021-Jun-14 at 06:33Long story short: shader visibility in DX12 is not a bit field, like in Vulkan, so setting the visibility to D3D12_SHADER_VISIBILITY_VERTEX | D3D12_SHADER_VISIBILITY_PIXEL
results in the parameter only being visible to the pixel shader. Setting it to D3D12_SHADER_VISIBILITY_ALL
solved my problem.
QUESTION
I am selecting vertices from a point cloud using angular and three.js. I have been trying to label a selected vertex with its x,y,z information. I have been using these resources in my attempt:
- three.js Vector3 to 2D screen coordinate with rotated scene
- https://threejsfundamentals.org/threejs/lessons/threejs-align-html-elements-to-3d.html
and I can't get either to work as described.
My code currently is:
...ANSWER
Answered 2021-Jun-11 at 13:38This is as close as I have managed to get it:
QUESTION
I am trying to render a colored square in OpenGL using glBegin(GL_QUADS) but for some reason it renders the square with an extra vertex in the middle. Screenshot. Am I doing something wrong or do I have to use a different method for 2d rendering?
...ANSWER
Answered 2021-Jun-11 at 09:49The order of the indices is wrong:
QUESTION
I hoped there is a simple function for this purpose (e.g. tree.subtree(vertex)
) but I was not able to find one even after browsing the documentation quite a long time.
In any case, I found this workaround:
...ANSWER
Answered 2021-Jun-11 at 09:09I think you are looking for breadth first search, starting at your root:
QUESTION
I have been trying to pass a mat4 into VS. I am activating the shader program before passing the data:
...ANSWER
Answered 2021-Jun-07 at 06:49The interface variabel Position
is not used in the fragment shader. So the uniform variable u_ModelViewMatrix
is not required. This uniform is "optimized out" by the linker and does not become an active program resource. Therefor you'll not get a uniform location for "u_ModelViewMatrix"
.
QUESTION
How to handle Transaction (Rollback and Commit) in Gremlin - AWS Neptune?
...ANSWER
Answered 2021-Jun-09 at 23:54There are 3 main ways to send a Gremlin query to a server. One is as plain text. In this case you can use semicolons between queries and they are treated as a single transaction. The second is to use a Gremlin client driver that supports sending queries as bytecode. In this case each query sent is a transaction. The third is to use Gremlin Sessions. In this case you create a session and then send one or more queries. The whole session is treated as a single transaction and only committed when you close the session. In this third case you can have code and queries intermixed as needed.
All of that said, you really don't need to use a for loop, you can just send everything in one go. Here is a simple example:
QUESTION
I'm using awscurl
to bulk load data from s3 into neptune:
I've done the following:
- Ensure the ARN has s3 full access
- Uploaded gremlin csv sample data to existing bucket
The error I get is:
Couldn't find the aws credential for iam_role_arn: arn:aws:iam::1111111:role/NeptuneAdmin
What is the best way to ensure I have this credential? I'm executing this from local.
Sample Query ...ANSWER
Answered 2021-Jun-09 at 19:55Adding this as an answer in case others find your question.
The Role that gives Neptune access to S3 needs to be added to Neptune either using the web console or via the CLI. Then when the curl command is issued Neptune will find the Role.
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