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What's the best online payment processing solution? [closed]
...lable to non-U.S. companies, easy to setup, reliable, cheap, customizable, etc. What are your experiences?
13 Answers
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How does the ThreadStatic attribute work?
... all the cases (multi-threading, web app multi-threading with async/await, etc) so that a single piece of work (e.g. a single web request, the processing of a single queue message, etc) get its own version of the variable, no matter what?
– user2173353
Aug 27 a...
How does facebook, gmail send the real time notification?
...opic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answers
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Using a bitmask in C#
... mask I did Mon=Math.Power(2, 0), Tues=Math.Pow(2, 1), Wed=Math.Pow(2, 2), etc. so the bit position is a little more obvious for those of use who aren't used to binary to decimal conversion. Blindy's is good too since it turns into a boolean result by shifting the masked bit.
–...
How do I check for a network connection?
... continue;
// this allow to filter modems, serial, etc.
// I use 10000000 as a minimum speed for most cases
if (ni.Speed < minimumSpeed)
continue;
// discard virtual cards (virtual box, virtual pc, etc.)
if (...
What is reflection and why is it useful?
...is in Java (imagine the object in question is foo) :
Method method = foo.getClass().getMethod("doSomething", null);
method.invoke(foo, null);
One very common use case in Java is the usage with annotations. JUnit 4, for example, will use reflection to look through your classes for methods tagged w...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...sed when something is long clicked in webview with item(image,string,empty,etc) and type(item type like 0,1,8,etc)
OnCloseWindowRequest(id)
Event triggered when a window needs to be closed
OnConsoleMessage(message,lineNumber,sourceID,level)
Event raised after getting console message.
OnDow...
What is the difference between bottom-up and top-down?
...all fib(100)=fib(99)+fib(98), which would call fib(99)=fib(98)+fib(97), ...etc..., which would call fib(2)=fib(1)+fib(0)=1+0=1. Then it would finally resolve fib(3)=fib(2)+fib(1), but it doesn't need to recalculate fib(2), because we cached it.
This starts at the top of the tree and evaluates the su...
In Python, if I return inside a “with” block, will the file still close?
...call of a finally statement: "Note that exit handlers and finally clauses, etc., will not be executed."
– Rik Poggi
Mar 27 '12 at 7:55
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reStructuredText tool support
... various output formats, automatically producing cross-references, indices etc.
rest2web
rest2web is a simple tool that lets you build your website from a single template (or as many as you want), and keep the contents in reStructuredText.
Pygments
Pygments is a generic syntax highlighter for ge...