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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...
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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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...
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...
android webview geolocation
...me properties so that webview has full access to run normal.
// HTML5 API flags
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setDatabaseEnabled(true);
webView.getSettings().setDomStorageEnabled(true);
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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...
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 ...
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
...he fastest library is JSONKit, followed by NSJSONSerialization (now public API) and NextiveJSON. SBJSON and TouchJSON are a little bit slower than the previous 3 libraries.
The comparison has been done using an iPhone 4S with iOS 5.0.1.
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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...
Difference between Java Enumeration and Iterator
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Looking at the Java API Specification for the Iterator interface, there is an explanation of the differences between Enumeration:
Iterators differ from
enumerations in two ways:
Iterators allow the caller to remove elements from the underlying...