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method of iterating over sqlalchemy model's defined columns?
... iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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Sending POST data in Android
...rks on Android 6.0+. Thanks to @Rohit Suthar, @Tamis Bolvari and @sudhiskr for the comments. *
public class CallAPI extends AsyncTask<String, String, String> {
public CallAPI(){
//set context variables if required
}
@Override
protected void on...
What is the purpose of Rank2Types?
...unction that uses its argument as different types in the same invocation.
For example the following function can't be typed without this extension because g is used with different argument types in the definition of f:
f g = g 1 + g "lala"
Note that it's perfectly possible to pass a polymorphic ...
ASP.NET MVC 5 - Identity. How to get current ApplicationUser
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You should not need to query the database directly for the current ApplicationUser.
That introduces a new dependency of having an extra context for starters, but going forward the user database tables change (3 times in the past 2 years) but the API is consistent. For exampl...
How do I assert my exception message with JUnit Test annotation?
...I know in .NET you can assert the message and the exception class. Looking for similar feature in the Java world.
11 Answer...
Storing a Map using JPA
...an entity, I am getting an exception: You must define at least one mapping for this table. Query: InsertObjectQuery(null). Any hints? I create an empty entity and set properties map, then trying to persist.
– Kamila
Jul 14 '16 at 6:43
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List all sequences in a Postgres db 8.1 with SQL
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${table}_${column}_seq for auto-created sequences
– Evgeny Nozdrev
Jul 18 '18 at 9:47
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What's the most appropriate HTTP status code for an “item not found” error page
I'm curious what's the most appropriate HTTP status code for an "item does not exist" page.
5 Answers
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jQuery object equality
...f two jQuery objects are equal? I would like to be able to search an array for a particular jQuery object.
7 Answers
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Prevent browser from loading a drag-and-dropped file
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For jQuery the correct answer will be:
$(document).on({
dragover: function() {
return false;
},
drop: function() {
return false;
}
});
Here return false will behave as event.preventDefault()...