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How to Store Historical Data

Some co-workers and I got into a debate on the best way to store historical data. Currently, for some systems, I use a separate table to store historical data, and I keep an original table for the current, active record. So, let's say I have table FOO. Under my system, all active records will go ...
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How to remove specific value from array using jQuery

... That is good news and yes the right modification was needed :) – Sarfraz Aug 29 '10 at 19:02 2 ...
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Constructors vs Factory Methods [closed]

...ns: Elements of Reusable Object-Oriented Software by Gamma, Helm, Johnson, and Vlissides. Use the Factory Method pattern when a class can't anticipate the class of objects it must create a class wants its subclasses to specify the objects it creates classes delegate responsibility to one of sever...
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What exactly is metaprogramming?

... eval("x" + i). DoSomething() would affect an object called x1 when i is 1 and x2 when i is 2. Finally, another common form of metaprogramming is when the program can change itself in non-trivial fashions. LISP is well known for this and is something Paul Graham championed about a decade ago. I'll ...
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What does Redis do when it runs out of memory?

...estion but I am having a hard time finding the answer. How does Redis 2.0 handle running out of maximum allocated memory? How does it decide which data to remove or which data to keep in memory? ...
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facebook: permanent Page Access Token?

...ret}&fb_exchange_token={short_lived_token} entering in your app's ID and secret and the short-lived token generated in the previous step. You cannot use the Graph API Explorer. For some reason it gets stuck on this request. I think it's because the response isn't JSON, but a query string. Sin...
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How do I install a custom font on an HTML site

I am not using flash or php - and I have been asked to add a custom font to a simple HTML layout. "KG June Bug" 6 Answers ...
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Difference between / and /* in servlet mapping url pattern

... all servlets provided by the servletcontainer such as the default servlet and the JSP servlet. Whatever request you fire, it will end up in that servlet. This is thus a bad URL pattern for servlets. Usually, you'd like to use /* on a Filter only. It is able to let the request continue to any of the...
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is node.js' console.log asynchronous?

...mat.apply(this, arguments) + '\n'); }; So it simply does some formatting and writes to process.stdout, nothing asynchronous so far. process.stdout is a getter defined on startup which is lazily initialized, I've added some comments to explain things: .... code here... process.__defineGetter__('s...
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android: stretch image in imageview to fit screen

I have an imageview that has its height and width set to fill_parent with a linearlayout that has the same values set. So I suppose this should set my images to fit the screen. But it only fits like 80% (margin top and bottom in landscape mode). ...