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What is the copy-and-swap idiom?
What is this idiom and when should it be used? Which problems does it solve? Does the idiom change when C++11 is used?
5 An...
How add context menu item to Windows Explorer for folders [closed]
I have found out how to add right-click context menu items to files on Windows Explorer, by adding keys to the registry. I.e. I can right-click on a file in Explorer and run a custom app against that file.
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Python constructors and __init__
Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class?
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Git Alias - Multiple Commands and Parameters
I am trying to create an alias that uses both multiple Git commands and positional parameters. There are Stackoverflow pages for each, and it would appear painfully obvious to do both, but I am having trouble.
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How can I determine if a date is between two dates in Java? [duplicate]
How can I check if a date is between two other dates, in the case where all three dates are represented by instances of java.util.Date ?
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How do I run two commands in one line in Windows CMD?
I want to run two commands in a Windows CMD console.
18 Answers
18
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Add unique constraint to combination of two columns
I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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open_basedir restriction in effect. File(/) is not within the allowed path(s):
I'm getting this error on an avatar upload on my site. I've never gotten it before and nothing was changed recently for me to begin getting this error...
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Difference between private, public, and protected inheritance
All of the questions I've found on SO deal with specific cases.
16 Answers
16
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What's the difference between utf8_general_ci and utf8_unicode_ci?
Between utf8_general_ci and utf8_unicode_ci , are there any differences in terms of performance?
8 Answers
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