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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...
How to make a phone call programmatically?
...parse(uri)); if (ActivityCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_GRANTED) { startActivity(intentCall); }
– AngelJanniee
Dec ...
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...
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);
...
How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
... commonjs, but not uses node.js. "require" method defined <sdkroot>/app-extension/bootstrap.js I set bootstrap.js to External Libraries, but not clear "unresolved" warning. <code> let require = cuddlefish.Require(loader, module); function loadSandbox(uri) { let sandbox = ... s...
Why is there no Tree class in .NET?
...ment that tree-based data structures are less commonly used in the kind of applications that .NET is usually used for (business apps, data-moving apps, etc.). Still, I agree with you, it is strange that the BCL has no implementation at all.
...
Custom attributes in styles.xml
...
The error disappears, but my view doesn't adopt the attribute value, while it does adopt the other (non-custom) attributes. My particular attribute is an enum. Is the snippet above working for you?
– Paul Lammertsma
...
Why can't I reference System.ComponentModel.DataAnnotations?
...ing .NET 4.5.x and it is not included. But, then I am not using MVC. This app is a console app with no UI that will be run as a cron job once a day. I only want to use DataAnnotations in the classes that represent the data members that will hold the data from columns I retrieve from each SQL Server...
convert UIImage to NSData
I am using this code in my app which will help me to send a image.
7 Answers
7
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ActiveRecord: List columns in table from console
...
If you are comfortable with SQL commands, you can enter your app's folder and run rails db, which is a brief form of rails dbconsole. It will enter the shell of your database, whether it is sqlite or mysql.
Then, you can query the table columns using sql command like:
pragma table_i...