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gaymer： I have two tables, DVD and Contact. DVDs can be rented to contacts, and contacts can rent many DVDs. Many-to-one links (dvd-->contact)work fine. But another approach fails:(contact-->dvd) Here is the contact mapping: <set name="dvds" inverse="true">
gaymer： I have two tables, DVD and Contact. DVDs can be rented to contacts, and contacts can rent many DVDs. Many-to-one links (dvd-->contact)work fine. But another approach fails:(contact-->dvd) Here is the contact mapping: <set name="dvds" inverse="true">
Chacko Mathew I have a collection in parent entity like this: Class Parent {
@OneToMany(mappedBy = parent, cascade = CasacadeType.ALL)
Set<Child> children;
}
Class Child {
@Column(nullable=false)
@ManyToOne
Parent parent;
}
Now the event happens, if I d
Chacko Mathew I have a collection in parent entity like this: Class Parent {
@OneToMany(mappedBy = parent, cascade = CasacadeType.ALL)
Set<Child> children;
}
Class Child {
@Column(nullable=false)
@ManyToOne
Parent parent;
}
Now the event happens, if I d
Chacko Mathew I have a collection in parent entity like this: Class Parent {
@OneToMany(mappedBy = parent, cascade = CasacadeType.ALL)
Set<Child> children;
}
Class Child {
@Column(nullable=false)
@ManyToOne
Parent parent;
}
Now the event happens, if I d
Chacko Mathew I have a collection in parent entity like this: Class Parent {
@OneToMany(mappedBy = parent, cascade = CasacadeType.ALL)
Set<Child> children;
}
Class Child {
@Column(nullable=false)
@ManyToOne
Parent parent;
}
Now the event happens, if I d
Kasik Subramani I have two POJO classes address and user_details. I need to know how the code works @ElementCollection
private Set<Address>listOfAddresses = new HashSet();
public Set<Address> getListOfAddresses() {
return listOfAddresses;
Rutula Bower I'm doing this on a JSP page ${records.size}where the type is logged Set. Then I get this error. I checked the documentation and the size()method is in org.hibernate.collection.internal.PersistentSet. So what is the possible reason for this error?
influenza I am posting the code for the following task. I have a hashmap with entries like this: HashMap<HashSet<String>, Long> mapping = new HashMap<>();
aaa.bb.cc.d, aaa.bb.cc, gg.hh.ee, aaa.bb, 34523
fff.kk.mmmm.ft, iiii.pp.cds, fff.kk, aaa.b, 4343
tpks.tt
Arun Kumar S I need to grab some records from a MySQL table that has a column, posted_datethis is a Timestamp. I need to filter records by comparing with month only. For example, I only want all records to be published this month. I tried hibernate query date
Arunkumar S I need to grab some records from a MySQL table that has a column, posted_datethis is a Timestamp. I need to filter records by comparing with month only. For example, I only want all records to be published this month. I tried hibernate query date g
Arun Kumar S I need to grab some records from a MySQL table that has a column, posted_datethis is a Timestamp. I need to filter records by comparing with month only. For example, I only want all records to be published this month. I tried hibernate query date
search In the example below, BigSetHashSet consists of HashSet SmallSet. I want to clear SmallSetwithout clearing BigSet. Instead, when I execute the command on clear(), SmallSetit is BigSetalso cleared. Why does this happen? How can I just clear SmallSetand l
eggplant I am trying to use a HashSet<String>as a key for other keys HashSet. I found this question and answer pointing out the Hashtrait of the implementation HashSet<String>, but I can't make it work for my specific situation. Fortunately, my case is more co
Nexussim elements: I have two predicates: Predicate<CategoryModel> predicate1 = NavigationCategoryModel.class::isInstance;
Predicate<CategoryModel> predicate2 = BrandCategoryModel.class::isInstance;
Using and if statement, how do I determine which predicate I
fenec ： I am trying to verify if an object is empty and I am using the following syntax: void renderSearch(Customer c){
System.out.println("search customer rendering>...");
try {
if(!c.equals(null)){
Nexussim elements: I have two predicates: Predicate<CategoryModel> predicate1 = NavigationCategoryModel.class::isInstance;
Predicate<CategoryModel> predicate2 = BrandCategoryModel.class::isInstance;
Using and if statement, how do I determine which predicate I
Vivek Shukla I read XML files by the following two techniques. By using Parse XElement to read the whole XML, XElement.Parse(File.ReadAllText(xmlfile))please note: I know I shouldn't use this technique. Loading by using XDocumentXDocument.Load(xmlfile); Then I
Daniele B ： The documents in my Firestore collection have a string field which can be null . I expect if I query: Collection("products").Where("producedDate", "<", "2018-01-15")
I will get all products with "producedDate" earlier than "2018-10-15", including
fenec ： I am trying to verify if an object is empty and I am using the following syntax: void renderSearch(Customer c){
System.out.println("search customer rendering>...");
try {
if(!c.equals(null)){
hr0min Is there a way to compare two buffers directly? For example, there are two identical files file1and file1-copy, I want to do this: f1 = open(file1)
f2 = open(file1-copy)
if f1 == f2
println("Equal content")
end
I know I can do string and compare t
Daniele B ： The documents in my Firestore collection have a string field which can be null . I expect if I query: Collection("products").Where("producedDate", "<", "2018-01-15")
I will get all products with "producedDate" earlier than "2018-10-15", including
Wimut Hi I need to compare two objects in Doctrine. I have customer repository and entities. this is my code public function index(CarAdRepository $carAdRepository, CustomerRepository $customerRepository): Response {
$cus = $customerRepository->findAl
mark61196： Hi update: thanks for all your suggestions Assuming this exercise is like a repetition exercise, I have a list of numbers made with the concepts of Cons and Nil, List l = new Cons(**3**, new Cons(**2**,new Cons(**1**, new
Cons(**4**, new Cons(**1**,
Mercutio I'm doing some string editing from a zsh script (on Mac OS Catalina). Some strings have a slash before the parentheses, some don't (usually a space). I'm trying to write a command that ignores opening parentheses unless it's preceded by a slash. So th
HimBromBeere Before marking it as a duplicate due to the title, consider the following short procedure: static void Main()
{
var expected = new List<long[]> { new[] { Convert.ToInt64(1), Convert.ToInt64(999999) } };
var actual = DoSomething();
if (
Brady I'm having a problem with the code below, why I can't check "if(Person[i][0] < 18)" with an error stating "unparalleled type". I found articles that say I can use "if (Person[i][0].equals(18)), but how do I check if it's greater than? Object[][] Pers
Hunter Gibson I'm trying to compare the letters and phrases of a user. I want it to go down every letter. I have a " if ((userGuessLength / phraseLength * 100.0) > 75.0)" as a placeholder and can only compare the length of the string, but need it to compare ea
mark61196： Hi update: thanks for all your suggestions Assuming this exercise is like a repetition exercise, I have a list of numbers made with the concepts of Cons and Nil, List l = new Cons(**3**, new Cons(**2**,new Cons(**1**, new
Cons(**4**, new Cons(**1**,