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The JPA hashCode() / equals() dilemma
... the responsibility of
assigning object IDs away from object-relational mapping frameworks
such as Hibernate. Instead, object IDs can be assigned as soon as the
object is instantiated. This makes object identity simple and
error-free, and reduces the amount of code needed in the domain model...
Flask-SQLalchemy update a row's information
...ask
from flask.ext.sqlalchemy import SQLAlchemy
from pprint import pprint
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqllite:////tmp/users.db'
db = SQLAlchemy(app)
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80), unique...
How do I make a delay in Java?
...ewSingleThreadScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask() {
System.out.println("Running");
}
And in Java 7:
public static void main(String[] args) {
final ScheduledExecutorService executorService = Exec...
Recursion in Angular directives
... compiledContents(scope, function(clone){
element.append(clone);
});
// Call the post-linking function, if any
if(link && link.post){
link.post.apply(null, arguments);
...
Graphical DIFF programs for linux [closed]
... +1 for Meld - really slick. Definitely one of the more readable GUI diff apps that I've used.
– btongeorge
Feb 6 '13 at 12:10
1
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How do I set up NSZombieEnabled in Xcode 4?
...
Without zombies:
This Xcode setting is ignored when you archive the application for App Store submission. You don't need to touch anything before releasing your application.
Pressing ⌥⌘R is the same as selecting Product > Run while keeping the Alt key pressed.
Clicking the "Enable Zo...
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
...
How to build an APK file in Eclipse?
...ng Eclipse , the APK file goes on the emulator. But I want to upload my application to a real device. Is there a tool to build an APK file?
...
Type.GetType(“namespace.a.b.ClassName”) returns null
...
Thanks, it works for App_Code folder. Example : Type.GetType("TypeName,App_Code");
– Burak Koray Balcı
Feb 16 '17 at 11:05
...
PostgreSQL error 'Could not connect to server: No such file or directory'
...e in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
22 Answers
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