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How do I find the caller of a method using stacktrace or reflection?
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Java 9 - JEP 259: Stack-Walking API
JEP 259 provides an efficient standard API for stack walking that allows easy filtering of, and lazy access to, the information in stack traces. Before Stack-Walking API, common ways of accessing stack frames were:
T...
Why are Python's 'private' methods not actually private?
...etrable walls around their code. In strongly encapsulated languages, if an API has a bug, and you have figured out what goes wrong, you may still be unable to work around it because the needed method is private. In Python the attitude is: "sure". If you think you understand the situation, perhaps yo...
How do you create a REST client for Java? [closed]
...ri) method is defined in this base class which just uses the Jersey client API.
e.g.
clientConfig = new DefaultClientConfig();
client = Client.create(clientConfig);
resource = client.resource("http://localhost:8080");
// lets get the XML as a String
String text = resource("fo...
Difference between BeautifulSoup and Scrapy crawler?
...RLs you want to crawl and fetch,etc. It is a complete framework for web-scraping or crawling.
While
BeautifulSoup is a parsing library which also does a pretty good job of fetching contents from URL and allows you to parse certain parts of them without any hassle. It only fetches the contents of t...
What is the coolest thing you can do in
...{ and return 0; } in C. And the other two lines are just different browser APIs that do the same thing: The first is the IE API, the second is the NetScape API. HTML5 uses contentEditable, so unless you care about supporting Firefox 1.5 or something, the actual code amounts to: document.body.content...
Lightweight Javascript DB for use in Node.js [closed]
...as you but couldn't find a suitable database. nStore was promising but the API was not nearly complete enough and not very coherent.
That's why I made NeDB, which a dependency-less embedded database for Node.js projects. You can use it with a simple require(), it is persistent, and its API is the m...
What is the __DynamicallyInvokable attribute for?
....Reflection.Assembly.cs, RuntimeAssembly.Flags property:
// Each blessed API will be annotated with a "__DynamicallyInvokableAttribute".
// This "__DynamicallyInvokableAttribute" is a type defined in its own assembly.
// So the ctor is always a MethodDef and the type a TypeDef.
// We cache this...
Should I mix AngularJS with a PHP framework? [closed]
...riendly.
I would recommend you to get more comfortable thinking in a more API centric approach. Rather than having PHP output a pre-rendered view, and use angular for mere DOM manipulation, you should consider having the PHP backend output the data that should be acted upon RESTFully, and have Angu...
How should I validate an e-mail address?
...
Another option is the built in Patterns starting with API Level 8:
public final static boolean isValidEmail(CharSequence target) {
if (TextUtils.isEmpty(target)) {
return false;
} else {
return android.util.Patterns.EMAIL_ADDRESS.matcher(target).matches();
}
}
P...
Android: How can I get the current foreground activity (from a service)?
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semifake on api 21 As of LOLLIPOP, this method is no longer available to third party applications: the introduction of document-centric recents means it can leak person information to the caller. For backwards compatibility, it will stil...