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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
... required in all forms. This doesn't guarantee database integrity if other applications use it, and doesn't work the other way around (if you want to make username not required).
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Installing PG gem on OS X - failure to build native extension
... Still working. Project is on Ruby 2.2.0 to support an old-ish app, but all the same THANK YOU.
– TristanZimmerman
Sep 19 '15 at 16:17
1
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iOS app error - Can't add self as subview
...ntroller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complete synchronously)...
Datepicker: How to popup datepicker when click on edittext
...editText.setText(new StringBuilder()
// Month is 0 based so add 1
.append(_day).append("/").append(_month + 1).append("/").append(_birthYear).append(" "));
}
}
Also something that isn't mentioned in the others. Make sure you put the following on EditText xml.
android:focusable="false"
O...
Android OpenGL ES and 2D
...t the very basic GLSurfaceView samples/demos.
Start, by setting up your app activity, and set up the basic canvas.
Take a loot at the replica island source code file: GameRenderer.java for how to setup your canvas with the proper GL flags for 2D (sprite) rendering.
You should really take a look ...
Laravel: Get base url
...to the URL generator
So you can do:
URL::to('/');
You can also use the application container:
$app->make('url')->to('/');
$app['url']->to('/');
App::make('url')->to('/');
Or inject the UrlGenerator:
<?php
namespace Vendor\Your\Class\Namespace;
use Illuminate\Routing\UrlGenera...
How do I obtain crash-data from my Android application?
How can I get crash data (stack traces at least) from my Android application? At least when working on my own device being retrieved by cable, but ideally from any instance of my application running on the wild so that I can improve it and make it more solid.
...
Javascript/DOM: How to remove all events of a DOM object?
...dosomething();
}
div.addEventListener('click',handler,false);
Create a wrapper for addEventListener that stores a reference to the returned function and create some weird removeAllEvents function:
var _eventHandlers = {}; // somewhere global
const addListener = (node, event, handler, capture = f...
How do I use Django templates without the rest of Django?
...fairly familiar with, but didn't want my users (since it's a distributable app) to have to install Django. A plus is that Jinja can be installed with easy_install.
– Xiong Chiamiov
Jul 16 '09 at 23:55
...
垂直布局，高度无法充满怎么解决 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...幕，所以它只能充满它的父组件的高度。没有设置的选项App Inventor 2 发表于 2025-04-06 21:29
你好，请把 Screen1 下面的组件树展开看看。
目测是因为这个 垂直布局 的父组件，高度没有充满整个屏幕，所 ...
我上传了截图，...