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Recommended SQL database design for tags or tagging [closed]
I've heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work)...
Simple example of threading in C++
Can someone post a simple example of starting two (Object Oriented) threads in C++.
7 Answers
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Find all storage devices attached to a Linux machine [closed]
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
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How to get a user's client IP address in ASP.NET?
We have Request.UserHostAddress to get the IP address in ASP.NET, but this is usually the user's ISP's IP address, not exactly the user's machine IP address who for example clicked a link. How can I get the real IP Address?
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How do I pass JavaScript variables to PHP?
I want to pass JavaScript variables to PHP using a hidden input in a form.
14 Answers
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nginx error connect to php5-fpm.sock failed (13: Permission denied)
I update nginx to 1.4.7 and php to 5.5.12 , After that I got the 502 error . Before I update everything works fine.
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Remove files from Git commit
I am using Git and I have committed few files using
29 Answers
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What does |= (ior) do in Python?
Google won't let me search |= so I'm having trouble finding relevant documentation. Anybody know?
8 Answers
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Dynamically creating keys in a JavaScript associative array
...);
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( dict[keyValuePair[0]] );
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least).
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