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Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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How do you uninstall MySQL from Mac OS X?
I accidentally installed the PowerPC version of MySQL on my Intel Mac in Snow Leopard, and it installed without a problem but of course doesn't run properly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is...
How to remove gaps between subplots in matplotlib?
The code below produces gaps between the subplots. How do I remove the gaps between the subplots and make the image a tight grid?
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Measuring function execution time in R
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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...call chained pointers. Such a chained pointer is defined by induction as a raw or smart pointer or iterator to the actual element, to a reference wrapper of the element or to another chained pointer; that is, chained pointers are arbitrary compositions of pointer-like types ultimately dereferencing ...
Google maps API V3 - multiple markers on exact same spot
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What is the difference between a pseudo-class and a pseudo-element in CSS?
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Can you do greater than comparison on a date in a Rails 3 search?
...in cases where you merge models which both have a user_id field. Using the raw SQL notation means you need to include the table clarifications yourself, eg: where("notes.user_id = ?",current_user.id).
– DreadPirateShawn
Jul 13 '14 at 10:03
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