DataStructure | 💋💋数据结构、算法总结、学习算法的时间复杂度、空间复杂度、分析算法特点以及应用、Java面试难题、Android面试难题 | Learning library

 by   UCodeUStory Java Version: Current License: No License

kandi X-RAY | DataStructure Summary

kandi X-RAY | DataStructure Summary

DataStructure is a Java library typically used in Tutorial, Learning, React, Example Codes applications. DataStructure has no vulnerabilities, it has build file available and it has medium support. However DataStructure has 51 bugs. You can download it from GitHub.

数据结构、算法总结、学习算法的时间复杂度、空间复杂度、分析算法特点以及应用、Java面试难题、Android面试难题
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            kandi-support Support

              DataStructure has a medium active ecosystem.
              It has 1094 star(s) with 326 fork(s). There are 36 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 0 open issues and 2 have been closed. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of DataStructure is current.

            kandi-Quality Quality

              OutlinedDot
              DataStructure has 51 bugs (3 blocker, 2 critical, 42 major, 4 minor) and 1298 code smells.

            kandi-Security Security

              DataStructure has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              DataStructure code analysis shows 0 unresolved vulnerabilities.
              There are 28 security hotspots that need review.

            kandi-License License

              DataStructure 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

              DataStructure releases are not available. You will need to build from source code and install.
              Build file is available. You can build the component from source.
              DataStructure saves you 11691 person hours of effort in developing the same functionality from scratch.
              It has 23630 lines of code, 998 functions and 307 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed DataStructure and discovered the below as its top functions. This is intended to give you an instant insight into DataStructure implemented functionality, and help decide if they suit your requirements.
            • sort items in sorted order
            • Start menu item .
            • Returns the median of two integers .
            • Zkstra format .
            • Reconstruct sequence reconstruction .
            • Demonstrates how to join two 3 threads .
            • Book table .
            • remove interval
            • Find all kind split .
            • Find two split .
            Get all kandi verified functions for this library.

            DataStructure Key Features

            No Key Features are available at this moment for DataStructure.

            DataStructure Examples and Code Snippets

            Return the modes of a list .
            pythondot img1Lines of Code : 23dot img1License : Permissive (MIT License)
            copy iconCopy
            def mode(input_list: list) -> list[Any]:
                """This function returns the mode(Mode as in the measures of
                central tendency) of the input data.
            
                The input list may contain any Datastructure or any Datatype.
            
                >>> mode([2, 3, 4,   

            Community Discussions

            QUESTION

            How to store an Object-Array in native Memory using Java Panama
            Asked 2021-Jun-12 at 13:54

            I want to implement a datastructure in native memory using the Foreign Memory Access API of Project Panama.

            In order to do that I need an underlying Object array (Object[]) for the entries.

            In all the examples for the Foreign Memory Access API, MemorySegments are only used to store and retrieve primitives like so:

            ...

            ANSWER

            Answered 2021-Jun-12 at 13:54

            Is there a way to store non primitives in a MemorySegment (e.g. Object)?

            No, at least not directly. Objects are managed by the Java runtime, and they can not be safely stored in native memory (for instance because the garbage collector would not be able to trace object references inside objects in native memory).

            However, as noted in the comments, for your purposes it might be enough to store the data inside an object in native memory. For instance, if an object contains only primitive fields (though, the same could be done recursively for object fields), it would be possible to write each such field separately to native memory. For example (with the JDK 16 API):

            Source https://stackoverflow.com/questions/67943155

            QUESTION

            I'm trying to delete an article with Flask but KeyError appears
            Asked 2021-Jun-10 at 03:01

            Hi I'm coding review page with Flask but struggling with creating delete button. According to my code, when delete button is clicked, KeyError appears. There are only two rows in the review table which are Writer and Content. I pasted showing and deleting review API code, also with Server side Delete function.

            Is my way alright to delete code by sending title and review from client to server then delete the object in DB which matches title and review which is sent by client? I'm wondering why KeyError is appeared. I beg for your help! Thanks for reading.

            ...

            ANSWER

            Answered 2021-Jun-10 at 03:01

            The issue stems from your string interpolation when generating the button.

            ${title, review} only injects the value of review. Since your deleteReview only receives one argument, the review_give field in the data of ajax call is left blank, leading to the corresponding missing key in your flask app.

            This is how you correctly do your string interpolation:

            Source https://stackoverflow.com/questions/67913907

            QUESTION

            Python - Invert a list
            Asked 2021-Jun-06 at 15:04

            Is there any way in Python to invert a list or a tuple in just one expression, without doing, for example:

            ...

            ANSWER

            Answered 2021-Apr-10 at 13:44
            list_ = range(10)
            list_ = [-x for x in list_]
            

            Source https://stackoverflow.com/questions/67035003

            QUESTION

            All the nested dictionaries holds the same value?
            Asked 2021-Jun-06 at 13:27

            I'm trying to build this datastructure with a nested dictionary:

            ...

            ANSWER

            Answered 2021-Jun-06 at 10:04

            I've used a slightly older C# language specification for the answer, and made the type declarations more clear for you to understand.

            Source https://stackoverflow.com/questions/67857808

            QUESTION

            munmap_chunk(): invalid pointer Error while making an Array data structure in C++
            Asked 2021-Jun-03 at 07:43

            I tried going through many similar questions regarding munmap_chunk(): invalid pointer errors, but I'm stuck as to what to do. I tried adding free commands too.

            I'm a C++ novice and normally use Python and Java, so the whole concept of pointers and memory management are new to me. It would be great if someone can explain what I'm doing wrong.

            Here is my code for my Array class for a generic T:

            ...

            ANSWER

            Answered 2021-Jun-03 at 07:39

            Thanks to @S.M. @anastaciu and @jkb for their guidance.

            The original code posted here was:

            Source https://stackoverflow.com/questions/67816624

            QUESTION

            Uploading file to flask app gives NotADirectoryError: [Errno 20] Not a directory
            Asked 2021-May-25 at 10:48

            He there, I have have been trying to find a solution to my problem for 2 days now but still have not found anything. Might just be missing it. My flask web app is run on Microsoft azure. The error is very simple discretionary not found but i don't know how to find out what the right path is.

            I get the following error:

            ...

            ANSWER

            Answered 2021-May-24 at 18:56

            upload folder is defined as app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER, but does seems like it exist, so the line of code f.save(os.path.join(app.config['UPLOAD_FOLDER'], filename)) is getting failed. you can try

            1. create the folder "uploads", and it will be at the same level as templates.
            2. the os.remove will look like as below(remove the first /)

            Source https://stackoverflow.com/questions/67674294

            QUESTION

            TypeError: unhashable type: 'set' in Flask Form while uploading file
            Asked 2021-May-11 at 10:49

            I am trying to fetch data from a form in Flask the form has a file as well:

            app.py

            ...

            ANSWER

            Answered 2021-May-11 at 10:49

            In your return statement, you are using "{{}}", just remove those and it will work fine. It should be like this

            Source https://stackoverflow.com/questions/67481914

            QUESTION

            Binding to an enum inside a child view model combobox object is not renders on UI
            Asked 2021-May-06 at 19:07

            I have a Parent ViewModel which contains a child view model object inside with some enum,

            When I open the UI I see that the enum value not renders as expected from the RaisePropertyChanged event on first time loading, however, after setting a value from the UI the value changes and renders as expected.

            Parent VM xaml

            ...

            ANSWER

            Answered 2021-May-06 at 19:07

            ProjectTypes is a List and ProjectType is a ProjectType.

            The types should match so either change the type of the source collection:

            Source https://stackoverflow.com/questions/67380033

            QUESTION

            Good datastructure to count # of keys between two specified keys
            Asked 2021-May-04 at 23:14

            Was going through a hypothetical scenario in my head and couldn't quite think of a datastructure to use in this situation. Assume all we need is the ability to add() & remove() keys and then count(key1, key2) the number of keys between the two specified (inclusive). We are assuming of course that these keys overload the comparison operators so they can definitively be less than, greater than, or equal to each other. So for instance, if we inserted 1, 5, 3, 4, 7 and then ran count(1, 4), we would get a resulting output of 3 since we could count the keys 1, 3, and 4.

            Now we could do this with a binary search tree using recursion in O(n) time, but what if we needed count() to run in O(log(n)) time? Is there a datastructure out there that you could potentially modify to perform this?

            At first I thought maybe we could use an heap or BST and keep track of the number of children on each side. But then I just got really lost trying to trace it out on paper.

            ...

            ANSWER

            Answered 2021-May-04 at 23:14

            An order statistic tree is a modification of a BST that allows you to query, for any value, how many elements of the tree are smaller than that value. You can then count how many items are in the range (a, b) by asking how many items are less than a, then subtracting out how many items are less than b.

            Each operation on an order statistic tree (add, remove, lookup, and count) takes time O(log n), so this lets you solve your particular problem in time O(log n) as well.

            Source https://stackoverflow.com/questions/67393261

            QUESTION

            Python - Automate parameter change in loop
            Asked 2021-May-02 at 02:27

            First things first, I'm new to Python and the following info may contain bad coding and incorrect names.

            I have the following Endpoint example to create a key using an HTTPS API:

            ...

            ANSWER

            Answered 2021-May-02 at 01:37

            I think the part you're missing is how to parameterize the name key. I'll break it down:

            Source https://stackoverflow.com/questions/67352251

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

            Vulnerabilities

            No vulnerabilities reported

            Install DataStructure

            You can download it from GitHub.
            You can use DataStructure like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the DataStructure component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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