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Redis: possible to expire an element in an array or sorted set?

...tire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually? ...
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$on and $broadcast in angular

I have a footerController and codeScannerController with different views. 4 Answers 4 ...
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Passing command line arguments in Visual Studio 2010?

I am working on a C project and can not figure out how to pass command line arguments to my main function in Visual Studio 2010 Express Edition. I want to debug - how do these command line arguments work? ...
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Sending “User-agent” using Requests library in Python

...specified as a field in the header. Here is a list of HTTP header fields, and you'd probably be interested in request-specific fields, which includes User-Agent. If you're using requests v2.13 and newer The simplest way to do what you want is to create a dictionary and specify your headers direct...
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Separation of JUnit classes into special test package?

... in an answer to my previous question, "Sample project for learning JUnit and proper software engineering" . I love it so far! ...
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In C++, if throw is an expression, what is its type?

... According to the standard, 5.16 paragraph 2 first point, "The second or the third operand (but not both) is a throw-expression (15.1); the result is of the type of the other and is an rvalue." Therefore, the conditional operator doesn't care w...
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Simple explanation of clojure protocols

I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols? ...
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What is the >>>= operator in C?

...ague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???" ...
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Scrolling down both parts of a split-window at the same time in Vim

Is it possible to scroll down the left and right parts of a vertically split window in Vim? I have two files I would like to compare roughly. Each line of these files looks almost the same. ...
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Find method references in Xcode

..."Callers" submenu for a list of all methods that call the selected method, and click any of them to jump to that file and method. In pictures... A couple of notes: You can do this for properties too. Note that when you select a calling method from the Callers menu to jump to where your meth...