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How can I use UUIDs in SQLAlchemy?
...s dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated.
Here is an example:
from sqlalchemy.dialects.postgresql import UUID
from flask_sqlalchemy import SQLAlchemy
import uuid
db = SQLAlchemy()
...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...e good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
4 Answers
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How to Customize a Progress Bar In Android
...l is 10,000.
I've used this two images to make this CustomProgressBar.
scall.png
ballon_progress.png
MainActivity.java
public class MainActivity extends ActionBarActivity {
private EditText etPercent;
private ClipDrawable mImageDrawable;
// a field in your class
private int mLevel = 0;
p...
The property 'value' does not exist on value of type 'HTMLElement'
... from it because you are passing an ID of input element. Similarly in statically typed Java this won't compile:
public Object foo() {
return 42;
}
foo().signum();
signum() is a method of Integer, but the compiler only knows the static type of foo(), which is Object. And Object doesn't have a s...
PreparedStatement IN clause alternatives?
...= ? into the faster IN (?) clause condition, which can then be expanded by calling the any method.
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How to create a drop-down list?
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I want to call Multiple value in Place of private static final String[]paths = {"item 1", "item 2", "item 3"}; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable...
How do I get the current GPS location programmatically in Android?
I need to get my current location using GPS programmatically.
How can i achieve it?
23 Answers
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How to disable mouse scroll wheel scaling with Google Maps API
...of the Maps API you would have had to use the disableScrollWheelZoom() API call as follows:
map.disableScrollWheelZoom();
The scrollwheel zooming is enabled by default in version 3 of the Maps API, but in version 2 it is disabled unless explicitly enabled with the enableScrollWheelZoom() API call...
Problem with converting int to string in Linq to entities
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If you call AsEnumerable you will pay a high performance price on larger databases because it will bring everything in memory. IEnumerable is slower in comparison with IQueryable because the later is executed exclusively in the dat...
Why do some functions have underscores “__” before and after the function name?
...es as a naming convention for "special" or "magic" methods.
While you can call these methods directly ([10, 20].__len__() for example), the presence of the underscores is a hint that these methods are intended to be invoked indirectly (len([10, 20]) for example). Most python operators have an asso...