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Redis key naming conventions?
What are the normal naming convention for keys in redis? I've seen values separated by : but I'm not sure what the normal convention is, or why.
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Clicking the text to select corresponding radio button
I'm creating a quiz web application using PHP. Each question is comprised of a separate <label> and has 4 possible choices, using radio buttons to allow the user to select his/her answer. The current HTML for a single question looks like:
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brew update: The following untracked working tree files would be overwritten by merge:
I tried to run brew update and I get an error about my local changes would be lost if I merged. I tried committing my local changes (don't remember making any, but it's been awhile), and that made things worse.
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How are strings passed in .NET?
When I pass a string to a function, is a pointer to the string's contents passed, or is the entire string passed to the function on the stack like a struct would be?
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textarea's rows, and cols attribute in CSS
I'd like to set the textarea 's rows and cols attributes via CSS.
5 Answers
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Predicate in Java
I am going through the code which uses Predicate in Java. I have never used Predicate . Can someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
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postgresql port confusion 5433 or 5432?
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mongoDB/mongoose: unique if not null
I was wondering if there is way to force a unique collection entry but only if entry is not null .
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Sample schema:
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Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
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