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Interface vs Abstract Class (general OO)
...rfaces.
Abstract base classes can be modified in v2+ without breaking the API. Changes to interfaces are breaking changes.
[C#/.NET Specific] Interfaces, unlike abstract base classes, can be applied to value types (structs). Structs cannot inherit from abstract base classes. This allows behavio...
How to convert std::string to lower case?
...ode mechanics, like normalization, collation, ...)
While Boost looks nice, API wise, Boost.Locale is basically a wrapper around ICU. If Boost is compiled with ICU support... if it isn't, Boost.Locale is limited to the locale support compiled for the standard library.
And believe me, getting Boost to...
Why do you program in assembly? [closed]
...
Programming certain 3D graphic cards (circa late 1990s) in the absence of APIs was often more practical and efficient in assembly language, and sometimes not possible in other languages. But again, this involved really expert-level games based on the accelerator architecture like manually moving da...
How to install trusted CA certificate on Android device?
...rame.src = rootCertUrl;
}
UPDATE:
The iframe trick works on Droids with API 19 and up, but older versions of the webview won't work like this. The general idea still works though - just download/open the file with a webview and then let the os take over. This may be an easier and more universal ...
Cross field validation with Hibernate Validator (JSR 303)
...bject being validated. This could be replaced with the standard reflection APIs or if it is a specific class you are validating, the accessor methods themselves.
The @Matches annotation can then be used used on a bean as follows:
@Matches(field="pass", verifyField="passRepeat")
public class Accoun...
Web-scraping JavaScript page with Python
...;
<head>
<meta charset="utf-8">
<title>Javascript scraping test</title>
</head>
<body>
<p id='intro-text'>No javascript support</p>
<script>
document.getElementById('intro-text').innerHTML = 'Yay! Supports javascript';
</script&...
How to prevent browser page caching in Rails
...
use:
expires_now()
http://api.rubyonrails.org/classes/ActionController/ConditionalGet.html#method-i-expires_now
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Code for decoding/encoding a modified base64 URL
...s the only solution that worked for me when parsing a message in the GMail API v1 (Message.Raw)
– HeyZiko
Apr 18 '15 at 18:22
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Complex nesting of partials and templates
... use ng-include to avoid using nested ng-views.
http://docs.angularjs.org/api/ng/directive/ngInclude
http://plnkr.co/edit/ngdoc:example-example39@snapshot?p=preview
My index page I use ng-view. Then on my sub pages which I need to have nested frames. I use ng-include.
The demo shows a dropdown...
Encapsulation vs Abstraction?
...emory, making jumps go to the right address, etc.
Your operating system's API is an abstraction of the underlying machine. Your compiler provides a layer of abstraction which shields you from the details of assembly language. The TCP/IP stack built into your operating system abstracts away the deta...