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Difference between and ?

Every time I have to add a handler or module for ASP.NET with IIS7, the instructions always tell me to incorporate it into two sections: system.web and system.webserver . ...
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?

Based on the examples from this page , I have the working and non-working code samples below. 14 Answers ...
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Infinite scrolling with React JS

... infinite scrolling with React. I have come across react-infinite-scroll and found it inefficient as it just adds nodes to the DOM and doesn't remove them. Is there any proven solution with React which will add, remove and maintains constant number of nodes in the DOM. ...
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Python: most idiomatic way to convert None to empty string?

... keeping the else, but thanks for the str(s) tip so multiple types can be handled. nice! – Mark Harrison Jul 1 '09 at 9:39 13 ...
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Python naming conventions for modules

I have a module whose purpose is to define a class called "nib". (and a few related classes too.) How should I call the module itself? "nib"? "nibmodule"? Anything else? ...
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The 'Access-Control-Allow-Origin' header contains multiple values

...It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get the message ...
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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?

...d email. Sometimes it's one or two messages at a time. Sometimes it's thousands of messages. 9 Answers ...
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Immediate function invocation syntax

...at it is clear that the value being produced is the result of the function and not the function itself. So, basically, he feels it makes more clear the distinction between function values, and the values of functions. So, it's an stylistic matter, not really a substantive difference in the code its...
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?

...es from all over the world. One type of data which must be stored is dates and times. 5 Answers ...
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findViewByID returns null

First of all: yes, I read all the other threads on this topic. And not only those from this site... (you see, I'm a little frustrated) ...