epi | Elements of Programming Interviews C Solutions | Chat library

by linouk23 C++ Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | epi Summary

epi is a C++ library typically used in Messaging, Chat applications. epi has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Elements of Programming Interviews C++ Solutions.

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Support

epi has a low active ecosystem.

It has 53 star(s) with 25 fork(s). There are 2 watchers for this library.

It had no major release in the last 6 months.

epi has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of epi is current.

Quality

epi has 0 bugs and 0 code smells.

Security

epi has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

epi code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

epi does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

epi releases are not available. You will need to build from source code and install.

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epi Key Features

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epi Examples and Code Snippets

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Community Discussions

Trending Discussions on epi

Computing a random subset in Python - what's wrong in my code?

Comparing values within lists

Keep getting Wrong number of items passed 2, placement implies 1 when adding new column

How to return a file path as a URL under the wwwroot directory using .NET 6 minimal API?

emmip - is there a way to plot a 'merged' treatment x time factor?

How to run operations on tibbles and the columns/values in the tibbles, with the tibbles being in a list?

Unnesting elements of large list into dataframe

omu_anova error: row names supplied are of the wrong length

How to fix Cross-Origin Request Block in angular when making a post request to an external api call

The entity type 'EntityQueryable' was not found. Ensure that the entity type has been added to the model

QUESTION

Computing a random subset in Python - what's wrong in my code?

Asked 2022-Mar-30 at 17:22

This code is to return a subset with size k from the set size n (EPI 5.15). That is, take n > 0, k <= n, and from n we (hypothetically) form a set {0, 1, 2, ..., n-1} from which we pick k elements to form a subset. There are nCk possibilities of picking a subset and we want it to be uniformly picked and we also want the permutation in that subset is also random. There are three versions of codes -- from official solution, my tweak, and my own solution. The latter two are WRONG but I don't know why. I will explain the gist of the algorithm right below the three codes.

Official Solution ...

ANSWER

Answered 2022-Mar-30 at 17:22

, the last one seems not to make basic sense. An assignment like

Source https://stackoverflow.com/questions/71670996

QUESTION

Comparing values within lists

Asked 2022-Mar-11 at 17:47

I'm new to stackoverflow but have a question regarding my model.

My model consists of two breeds of agents (fishers and processors). Currently I have two fishers and two processors. Both breeds have a certain price-perception variable called: price-perception-fisher and price-perception-processor. Fishers go out fishing and once the ship is full (catch = 750) they return to one of the processors. This is done by this function:

...

ANSWER

Answered 2022-Mar-11 at 17:47

You are overcomplicating it: just make each turtle directly look into that processor's price perception. There is no need to take into account the values from all turtles and all processors.

There are a couple of ways to do this.

If it is absolutely and structurally certain that there will never be more than one processor per patch, you can do:

Source https://stackoverflow.com/questions/71439718

QUESTION

Keep getting Wrong number of items passed 2, placement implies 1 when adding new column

Asked 2022-Feb-18 at 11:14

I have the following dataframe where I'm converting positive values to negative and negative values to positive.

...

ANSWER

Answered 2022-Feb-18 at 11:14

You can try return Series instead one column DataFrame if add epi to loc:

Source https://stackoverflow.com/questions/71172528

QUESTION

How to return a file path as a URL under the wwwroot directory using .NET 6 minimal API?

Asked 2022-Jan-13 at 12:52

Using .net 6 minimal API, what' the best way to programmatically get the wwwroot URL? So that I can transform a path like: wwwroot/audio/recording1.mp3 into a string like http://localhost:5000/audio/recording1.mp3 then return as json so that a user can access?

Something like: ...

ANSWER

Answered 2022-Jan-13 at 12:52

You can try building the url yourself from HttpContext.Request:

Source https://stackoverflow.com/questions/70689887

QUESTION

emmip - is there a way to plot a 'merged' treatment x time factor?

Asked 2022-Jan-04 at 02:57

I have attached some published data (at the end) that comes from a link on:

https://www.middleprofessor.com/files/applied-biostatistics_bookdown/_book/pre-post.html

I can run a fairly standard linear mixed model with treatment, time and a treatment x time interaction and get the same results:

...

ANSWER

Answered 2022-Jan-04 at 02:57

I guess if you are using the same baseline value for each treatment, you can do something like this:

Source https://stackoverflow.com/questions/70572513

QUESTION

How to run operations on tibbles and the columns/values in the tibbles, with the tibbles being in a list?

Asked 2021-Oct-28 at 20:24

I am new to R and therefore sorry, if the awnser is obvious. I am trying to perform operations on tibbles and their values/columns while this tibbles are part of a list. Previously I would upload each of the now tibbles manually as a data.frame (csv data) and perform the operations manually on the data.frame. Unfortunately this is tiresome, so I am trying to get all the operations I have in my script done for all my data.frames at the same time. For example, what worked so far for me was to add 0.7 to every element in every column by the name 'Temperature' in each tibble on the list. I did it like that:

...

ANSWER

Answered 2021-Oct-28 at 14:33

Working with a list of some other types is totally doable in R. Firstly, I suggest replacing seq_along with lapply, or since you are already using tidyverse, purrr::map:

Source https://stackoverflow.com/questions/69755492

QUESTION

Unnesting elements of large list into dataframe

Asked 2021-Oct-26 at 14:44

I am currently working with a large dataset I retrieved from the crossref API in which I retrieved information on scientific papers based on a DOI search.

Currently the large list contains of ~3500 elements. Each of these elements is a list of their own consisting of the metadata 'meta', the actual relevant data 'data' and an irrelevant list 'facets'.

This is an example of two of the lists based on two DOI's:

...

ANSWER

Answered 2021-Oct-25 at 16:55

Like this? Note - it is better to include a Minimal reprex that includes a toy data set, rather than a snapshot of what you have. This way the question will likely get answers faster.

Source https://stackoverflow.com/questions/69711158

QUESTION

omu_anova error: row names supplied are of the wrong length

Asked 2021-Oct-23 at 16:47

I am attempting to use the omu_anova function in the omu package for a set of metabolomics data. My code is the following,

...

ANSWER

Answered 2021-Oct-22 at 07:48

Here is my hypothesis: Your error results from one or more of the 15 sample columns in the count table (not Metabolite or KEGG) being incorrectly rendered as something other than "numeric" variables.

Looking at the source code for omu_anova, the "Metabolite" column is first assigned to the rownames of the data frame and then the following line selects only the columns in the count data that are numeric.

Source https://stackoverflow.com/questions/69655016

QUESTION

How to fix Cross-Origin Request Block in angular when making a post request to an external api call

Asked 2021-Oct-13 at 21:56

I have the following post request that im making to an external api : The request works when i pass 2 links to images but when i pass the base64 string of an image i get a Cross-Origin error this is my code:

Html:

...

ANSWER

Answered 2021-Oct-13 at 21:56

If you use the developer console to inspect the request that is sent when calling the API here: https://deepai.org/machine-learning-model/fast-style-transfer, you'll see that a File object rather than a data URL is being appended to the FormData object.

You should be able to skip the FileReader and use the File object directly:

Source https://stackoverflow.com/questions/69550263

QUESTION

The entity type 'EntityQueryable' was not found. Ensure that the entity type has been added to the model

Asked 2021-Sep-22 at 10:29

I have a scenario, I have users submitting entries to an epi end point and a flag is updated as 1 on the database. A user can submit more than entry as per there feel and need per time. I have a logic that checks if an entry all ready exists, and if a user submits another form, the previous form is set to 0 and the new form is set to 1. Whenever I submit a second entry I end up with an error

The entity type 'EntityQueryable' was not found. Ensure that the entity type has been added to the model. at Microsoft.EntityFrameworkCore.ChangeTracking.Internal.StateManager.GetOrCreateEntry(Object entity)

this is my logic for checking

...

ANSWER

Answered 2021-Sep-22 at 10:13

Hi @arrif from your implementation

change the _context.Add(pastSurveys); to _context.UpdateRange(pastSurveys);

From your current setup you adding instead of updating the flag. Try that and tell if it works cheers

Source https://stackoverflow.com/questions/69281991

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