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What is the main purpose of setTag() getTag() methods of View?
...an OnClickListener for each view individually:
button1.setOnClickListener(new OnClickListener ... );
button2.setOnClickListener(new OnClickListener ... );
...
Then you have to create a unique onClick method for each view even if they do the similar things, like:
public void onClick(View v) {
...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
... Long> {
@Query("SELECT p FROM Person p JOIN FETCH p.roles WHERE p.id = (:id)")
public Person findByIdAndFetchRolesEagerly(@Param("id") Long id);
}
This method will use JPQL's fetch join clause to eagerly load the roles association in a single round-trip to the database, and will there...
Picking a random element from a set
...
int size = myHashSet.size();
int item = new Random().nextInt(size); // In real life, the Random object should be rather more shared than this
int i = 0;
for(Object obj : myhashSet)
{
if (i == item)
return obj;
i++;
}
...
How do I delete multiple rows in Entity Framework (without foreach)
... here.
Although that answer was for 3.5. For 4.0 I would probably use the new ExecuteStoreCommand API under the hood, instead of dropping down to the StoreConnection.
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Rails 3 execute custom sql query without a model
...
How about this :
@client = TinyTds::Client.new(
:adapter => 'mysql2',
:host => 'host',
:database => 'siteconfig_development',
:username => 'username',
:password => 'password'
sql = "SELECT * FROM users"
result = @client.e...
How to add custom method to Spring Data JPA
...ult void addSomeCustomers() {
Customer[] customers = {
new Customer("Józef", "Nowak", "nowakJ@o2.pl", 679856885, "Rzeszów", "Podkarpackie", "35-061", "Zamknięta 12"),
new Customer("Adrian", "Mularczyk", "adii333@wp.pl", 867569344, "Krosno", "Podkarpackie", "32-442"...
IntelliJ IDEA generating serialVersionUID
...lues, e.g. starting with 1L, and incrementing them each time you think the new version of the class should render all previous versions (that might be previously serialized) obsolete. All utilities that generate such IDs basically do what the JVM does when the ID is not defined: they generate the v...
Wildcards in jQuery selectors
I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work..
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jquery IDs with spaces
Does anyone know how to select an item in the DOM by ID with jQuery, when that ID has a space?
11 Answers
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Build vs new in Rails 3
...the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
...