Travel | 一个旅游网站,适合前端初学者学习练习布局

 by   14glwu HTML Version: Current License: No License

kandi X-RAY | Travel Summary

kandi X-RAY | Travel Summary

Travel is a HTML library. Travel has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

一个旅游网站,适合前端初学者学习练习布局
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            kandi-support Support

              Travel has a low active ecosystem.
              It has 12 star(s) with 5 fork(s). There are 4 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              Travel has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Travel is current.

            kandi-Quality Quality

              Travel has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              Travel does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

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

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            Travel Examples and Code Snippets

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            Community Discussions

            QUESTION

            Solving Time-constrained CVRP with two vehicle types in Google or-tools
            Asked 2021-Jun-15 at 12:54

            I am modeling a Time-constrained CVRP. The problem is to minimize the total travel time (not including the package dropping time) subject to vehicle (delivery) capacity and total time spent (per vehicle) constraints. The package dropping time refers to an additional time to be spent at each node, and the total time spent equals to the travel time plus this additional time. I have the below model that works for a single vehicle-type case. I would like to introduce two-vehicle type concept in there, meaning that I have a set of V1 type vehicles and another set of V2 type vehicles. The only difference of the vehicle-types is the per time cost of travel. Let x denote the per time unit cost of travel by V1, and y denote the per time unit travel cost of V2. How can I design the model so that it incorporates this additional aspect?

            ...

            ANSWER

            Answered 2021-Jun-13 at 13:34

            Simply register two transits callbacks (i.e. one per vehicle type)

            Then use the overload of AddDimension() to pass an array of registered transit callback index.

            e.G. Mizux/vrp_multiple_transit.py

            Source https://stackoverflow.com/questions/67948290

            QUESTION

            Random.Range always returns same value
            Asked 2021-Jun-15 at 00:53

            I'm trying to make a small simulation of traveling salesman in Unity C# and I can't get through this, my code looks right but start and nxtCity vectors always result in the same position, I really can't understand why, could any of you help?

            cities is the number of total cities

            positions is the array of cities taken from cities generator these two values are right in unity editor

            Here the code:

            ...

            ANSWER

            Answered 2021-Jun-11 at 00:22

            Unity's Random.Range with (int, int) overload (NOT float, float) generates random number in range [min; max), max is exclusive, so if you call var randomInt = Random.Range(0, 1) result will be always 0. var randomInt = Random.Range(0, 2) would be 0 or 1, e.t.c

            Source https://stackoverflow.com/questions/67929836

            QUESTION

            Laravel relationships, Many to Many or Has Many Through?
            Asked 2021-Jun-14 at 23:46

            I'm building a web app using Laravel 8 and one thing I tend to struggle with is the complex relationships and accessing the data. I've started reading on hasManyThrough relationships but I'm not convinced that's the correct way to do it for my scenario.

            The app is used by travelling salesmen to check in to a location when they arrive safely.

            I have three main tables:

            • Locations (where they are visiting),
            • Checkins (where their check in data is stored, e.g. time),
            • Users

            This is where it gets a little complex and where I find myself not being able to see the wood for the trees...

            • Locations have many users, users have many locations. Many-to-many pivot table created.
            • Locations have many check ins, check ins have many locations. Many-to-many pivot table created.
            • Check ins have many users, users have many check ins. Many-to-many pivot table created.

            As such they're all created using a belongsToMany relationship.

            Now what I'd like to do is access the user of the check in so I can call something similar to on my show.blade.php:

            ...

            ANSWER

            Answered 2021-Jun-14 at 23:46

            You said "Check ins have many users", you seem to want the singular user for a check-in, but currently that would result in many users. It sounds like users check-in in a many to one relationship

            Also $checkin->created_at will be by default a carbon object, so you can just go $checkin->created_at->format('jS F Y')

            Also don't mix using compact and with, stay consistent and use only 1 as they achieve the same thing

            Also $checkin->users()->name won't work, if you use the brackets on syntax is only returns a query builder instance, which you would need to call get on like $checkin->users()->get(), or you could use $checkin->users which will fetch them anyway. You may want to look into using with('relation') on query builder instances to stop N+1 queries if you want to dive a little deeper. Lastly $checkin->users()->get()->name also won't work as your user relation is many to many which returns a collection, which again points to you should have a belongsTo relationship called user without a pivot table

            Source https://stackoverflow.com/questions/67975663

            QUESTION

            how to insert data as an array of objects in React JS
            Asked 2021-Jun-14 at 12:12

            my question is a little complicated, I am building a trip-related web application where users can book trips. So I have made a function that increases the number of travelers as the user clicks the + sign. when this function is called it changes the state and another function gets triggered that displays the form to fill in the traveler details. Now this form is rendered according to the number of travelers traveling. how can I set that data in an array of objects?

            here's a screenshot guide:

            I want the data to be in the state like this:

            ...

            ANSWER

            Answered 2021-Jun-14 at 10:36

            You should be using the array.push() method detailed in javascript to add an element to an existing array.

            Example

            Source https://stackoverflow.com/questions/67968665

            QUESTION

            Generalized Traveling Salesman Problem in zimpl
            Asked 2021-Jun-14 at 07:17

            I am new to zimpl and I am currently trying to modell the GTSP. The setting is that we have nodes which are grouped into clusters. My problem is i dont know how to implement in zimpl which node belongs to which cluster.

            What I did so far:

            set V:= {1..6}; set A:= { in V*V with i < j};
            set C:= {1,2,3};
            set W:= { in C*C with p < q};
            set P[]:= powerset(C); set K:= indexset(P);

            I am guessing something is missing because i want to group node 1,2 in cluster 1, 3,4 in cluster 2 and 5,6 in cluster 3.

            Some background Information:

            Let G = (V, A) be a graph where V=1,2,...,n is the set of nodes and A = {(i, j): i, j ∈ V, i ≠ j} is the set of directed arcs (or edges), and let c_ij be the travel distance (or cost or time) from node i to node j. Let V1, V2, ... , Vk be disjoint subsets of V such that union of these subsets equals to V. These subsets are called clusters. The GTSP is to find the tour that (i) starts from a node and visits exactly one node from each cluster and turns back to the starting node (ii) never visit a node more than once and (iii) has the minimum total tour length. Associated with each arc, let x_ij be a binary variable equal to “1” if the traveler goes from node i to node j, and “0” otherwise.

            Thats the mathematicl model I want to model: min∑i∈V ∑j∈V\{i} cijxij subject to: ∑i∈Vp ∑j∈V\Vp xij = 1 (p= 1, ..., k) ∑i∈V\Vp ∑j∈Vp xij = 1 (p= 1, ..., k) ∑j∈V\{i} xji − ∑j∈V\{i} xij = 0 (∀i∈V) xij∈{0,1} ∀(i, j)A up−uq+k ∑i∈Vp ∑j∈Vq xij+(k−2)∑i∈Vq ∑j∈Vp xij ≤ k−1 (p≠q;p,q=2,...,k) up≥0 (p=2, ..., k) (Thats the link for the paper: http://www.wseas.us/e-library/conferences/2012/Vouliagmeni/MMAS/MMAS-09.pdf)

            Maybe someone can help! thanks

            ...

            ANSWER

            Answered 2021-Jun-12 at 15:36

            You can use an indexed set (just as u did to implement the powerset of C) and assign the sets as needed. Try this for example:

            Source https://stackoverflow.com/questions/67919056

            QUESTION

            how to Use multiple AND Operations in Power BI?
            Asked 2021-Jun-14 at 05:57

            suppose i have 4 parameters eg distance , head count , travellers and country score. what i want to do is if distance<=5 && head count <=20 && travellers <=30 && country score <=1 , then we should get value "VERY LOW".

            ...

            ANSWER

            Answered 2021-Jun-14 at 05:57

            QUESTION

            A way to generalize Haskell's Either type for arbitrarily many types?
            Asked 2021-Jun-12 at 22:53

            I am creating a turn based game. I want to define a datatype that encodes one type out of many possible types. Here is the motivating example:

            I have defined a Turn type using GADTs, so the type of each value of Turn a says something about it's value.

            ...

            ANSWER

            Answered 2021-Jun-12 at 21:19

            Something like this, I guess:

            Source https://stackoverflow.com/questions/67952859

            QUESTION

            Write SQL to identify multiple subgroupings within a grouping
            Asked 2021-Jun-12 at 09:57

            I have a program that summarizes non-normalized data in one table and moves it to another and we frequently get a duplicate key violation on the insert due to bad data. I want to create a report for the users to help them identify the cause of the error.

            For example, consider the following contrived simple SQL which summarizes data in the table Companies and inserts it into CompanySum, which has a primary key of State/Zone. In order for the INSERT not to fail, there cannot be more than one distinct combinations of Company/Code for every unique primary key State/Zone combination. If there is, we want the insert to fail so that the data can be corrected.

            ...

            ANSWER

            Answered 2021-Jun-11 at 16:49

            QUESTION

            MapStruct Java: property to list
            Asked 2021-Jun-12 at 07:10

            Shortly, I'd like to move this code inside a mapstruct mapper:

            ...

            ANSWER

            Answered 2021-Jun-12 at 07:10

            With MapStruct you can define mapping between different iterable. However, you can map from a nested listed into a top level list in a method (You can if it is wrapped though).

            In any case for this I would suggest doing the following:

            Source https://stackoverflow.com/questions/67921650

            QUESTION

            Ease-in and ease-out with Vector2.MoveTowards
            Asked 2021-Jun-10 at 20:37

            I've seen a lot of examples of easing with Vector2.Lerp.

            But I want to use Vector2.MoveTowards because I am randomizing the distance my NPC is traveling, and I want the speed of the NPC to always be constant regardless of the distance traveled. Ideally, would like to control the easing granularly with an AnimationCurve if that's possible, but a smooth step function would be ok too. Here is the simplified code that I'm using now (using Behavior Designer so the methods are a bit different):

            ...

            ANSWER

            Answered 2021-Jun-10 at 20:37

            Okey so there is one first issue: Never use == for comparing two float values!

            Even a situation like 5f * 0.2f / 10f == 1f might fail because due to floating point precision it might actually be 0.9999999 or 1.0000001.

            Instead you usually rather check against a certain range like e.g.

            Source https://stackoverflow.com/questions/67897086

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

            Vulnerabilities

            No vulnerabilities reported

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            You can download it from GitHub.

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