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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...or to that release, App Inventor created Apps that were marked for Android API 3 (Android version 1.45). That meant that MIT App Inventor Apps prior to version 1.45 of App Inventor 2, created apps could run on phones as old as Cupcake (Android 1.5). However there was a catch. With API 3 Android sup...
How to create Drawable from resource
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As of API version 21 this method is deprecated and you should be replaced by: Drawable drawable = ResourcesCompat.getDrawable(getResources(), page.getImageId(), null);
– Boren
Apr 14 '15 at 2...
Devise form within a different controller
...rollers, because my controller base class was missing the following (Rails-API ActionController::API was at fault):
include ActionController::Helpers
Thus the helper methods from Devise could not be resolved in the view.
To make Devise work with Rails-API I needed to include:
class ApplicationC...
Where is Java's Array indexOf?
...s answer is wrong at least for java 1.6: download.oracle.com/javase/6/docs/api/java/util/… asList transforms the list of arguments into a list not the argument itself.
– Alexandru
Jun 28 '11 at 12:13
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Building a complete online payment gateway like Paypal [closed]
...sell what I had written. That said, essentially these days there's alot of API's you can use to tie everything together and create a payment processor website. I'd start by looking at what exists with API calls that you could use with your site. Once alot of money comes in, then you can use that to ...
Protected in Interfaces
...standard exchange protocol", no matter if talking about OOP, communication API or hardware. The USB port on my PC is clearly a public interface. But the pins on my mainboard, that is behind a key-locked case, that provide access to optional USB ports are clearly a "protected" interface. Then we have...
How do I show multiple recaptchas on a single page?
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With the current version of Recaptcha (reCAPTCHA API version 2.0), you can have multiple recaptchas on one page.
There is no need to clone the recaptcha nor try to workaround the problem. You just have to put multiple div elements for the recaptchas and render the recaptch...
Creating a simple XML file using python
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These days, the most popular (and very simple) option is the ElementTree API,
which has been included in the standard library since Python 2.5.
The available options for that are:
ElementTree (Basic, pure-Python implementation of ElementTree. Part of the standard library since 2.5)
cElementTre...
Difference between FetchType LAZY and EAGER in Java Persistence API?
I am a newbie to Java Persistence API and Hibernate.
15 Answers
15
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Reverse a string in Java
...use java.util.StringBuffer instead of StringBuilder — they have the same API. Thanks commentators for pointing out that StringBuilder is preferred nowadays when there is no concurrency concern.
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