isbn | This library provides methods to manipulate isbns
kandi X-RAY | isbn Summary
kandi X-RAY | isbn Summary
This library provides methods to manipulate isbns. As of version 2.0 there has been a near complete rewrite of this library but this time there are tests. A few methods have been removed. Here is what remains:.
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QUESTION
I have the following graph in Neo4j:
Book: book_id, isbn, language_code, title, image_url, small_image_url, avg_ratings,
Author: name,
Reader: id,
with 3 relationships:
(Reader)-[:Rated]->(Book) that has the property {rating: value},
(Reader)-[:Recommend]->(Book),
(Author)-[:Write]->(Book).
I want to find the book that has been most recommended with a query in Cypher.
I wrote a query but I'm not too sure about it because I'm not familiar using count() and max() operators.
Here is my attempt:
...ANSWER
Answered 2021-Jun-14 at 22:16I would try this:
QUESTION
void merr_liber()
{
FILE *fp_merr_liber;
FILE *fp_librat;
struct merr_liber input;
struct librat liber;
char isbn[13];
int zgjedhja;
fp_merr_liber = fopen("librat_e_marre.txt", "ab+");
fp_librat = fopen("librat.txt", "r");
if (fp_merr_liber == NULL)
{
printf("\nError merr_librat.txt nuk mund te hapet\n\n");
exit(1);
}
if (fp_librat == NULL)
{
printf("\nError librat.txt nuk mund te hapet\n\n");
exit(1);
}
while (!feof(fp_librat))
{
printf("\nISBN: ");
scanf("%s", isbn);
fscanf(fp_librat, "%s", liber.isbn);
if (unike(isbn, 13) && valide(isbn, 13) && !strcmp(isbn, liber.isbn))
{
strcpy(input.isbn, isbn);
fprintf(fp_merr_liber, "%s\n", input.isbn);
break;
}
if (strcmp(isbn, liber.isbn) != 0)
{
printf("Nuk ekziston nje liber me kete isbn.\n");
printf("Deshironi te vazhdoni ? (1- vazhdo 0- kthehu ne menune kryesore): ");
scanf("%d", &zgjedhja);
if (zgjedhja == 1)
{
continue;
}
else
{
menu();
}
}
printf("Gabim ne formatin e isbn, isbn ka 13 karaktere, te cilat jane unike.");
}
fclose(fp_merr_liber);
fclose(fp_librat);
}
ANSWER
Answered 2021-Jun-14 at 18:46You're trying to get a new string as an input in every iteration of the while loop which is probably not what you want.
One thing you can do is create a different while loop and use fscanf() until the end of file is reached and compare each string gotten from the file with the string that you want to find, also don't forget to move the file position pointer to the beginning of the file after the end of file is reached.
QUESTION
I have a test table with 660.000 rows with dummy books data. I'm trying to learn how index works etc.
But I have one problem: I just want to check if my query is making a full table scan. Is it possible to check it in PhpStorm?
Sample query:
...ANSWER
Answered 2021-Jun-13 at 12:53Yes, you can connect to the database from the SQL Console and issue commands manually from there (provided the user has the appropriate permissions of course).
QUESTION
I have two models that look like this:
...ANSWER
Answered 2021-Jun-09 at 09:32You need to annotate lots of aggregations to your queryset (Reference: Aggregation [Django Docs]). To get the counts you can use the Count [Django Docs] function and for the last_created / last_modified you can use the Max [Django Docs] function to achieve what you want:
QUESTION
ANSWER
Answered 2021-Jun-09 at 07:17Since a CSV file, by it's nature, contains in its fields only strings, not arrays or other data types, the CSV class is applying the to_s method of the objects to turn them into a string before putting them into the CSV.
When you later read them back, you just get this - the string representation of what once had been your array. The only one who knows that 'Auteurs' should end up as an array of strings, is the application, i.e. you.
Hence on reading the CSV, after having extracted the autheurs string, you need to convert it manually back to an Array, because there is no automatic "inverse method" to reverse the to_s.
A cheap, but dangerous way to do it, is to use eval, which indeed would reconstruct your array. However, you need to be sure that nobody had a chance to fiddle manually with the CSV data, because an eval allows sneaking in arbitrary code.
A safer way would be to either write your own conversion function to and from String representation, or use a format such as YAML or JSON for representing the Array as String, instead of using to_s.
QUESTION
I'm a newbie in javascript, i've been following a youtube video of creating a simple project like booklist app using javascript the tutorial is very well explained but when i tried to do it myself i got stuck at one point i can't figure out what's happening
The project is basically about when i submit the details of the book it will be added to the table in the webpage, also it will stored in the local storage too. same like that i need to remove the details of the book from local storage when it is removed from the table.
Here is the code for setting up the class Store with methods getBooks for getting the books from the local storage, addBook for adding new book to local storage, removeBook for removing the book from local storage
...ANSWER
Answered 2021-Jun-05 at 20:33The problem is that in your HTML you pad the book ISBN (and other fields) with spaces:
QUESTION
I'm currently struggeling with my BibLaTeX file. I wanna separate the bibtex entries which are connected by the last name of the author (as you can see with the first and second entry). Also i wanna turn the (Hrsg.) Tag like the rest of the author information in bold.
below you can find a mre where the magic happens.
regards and stay healthy!
...ANSWER
Answered 2021-Jun-05 at 19:18You already know how to make the author names bold from biblatex: customizing bibliography entry - the same technique can be used for the editorstrg:
QUESTION
I am trying to make a simple library app, and I am trying to implement a method where a person gets to borrow a book. I have so far 2 classes one for the said person and the other is for books/documents.
The person(adherant) class (which includes a test case):
ANSWER
Answered 2021-Jun-05 at 18:31After a few tests and looking the problem up, I found a way to make it work.
I used flexible initialization, by giving the @emprunt and @empruntable attributes a default value in the initialize method.
The person(adherant) class (which includes a test case):
QUESTION
At runtime, user can't add new empty row on my wpf datagrid. I tried CanUserAddRow="True", IsReadOnly="False"
XAML
...ANSWER
Answered 2021-Jun-04 at 12:47Set or bind the ItemsSource property of the DataGrid to the ObservableCollection:
QUESTION
I am using Spring Boot to implement two web services, User and Book, and I am implementing the POST methods. When I send a POST request, i include the hard-coded JSON object in the HTTP Body: I am working at the same time on the two services, and while the creation of the "user" object works fine, Jackson throws an exception for the Book class. This situation occurres also with Postman, so it is not a problem of the JSON creation.
This is the Book class
...ANSWER
Answered 2021-Jun-03 at 15:50In your Book class you have 2 constructors meanwhile in User just has 1. Jackson might not know which constructors to invoke when deserializing your Book. Adding @JsonCreator annotation to your constructor might work.
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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