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Database: To delete or not to delete records
...t you figure out (to the extent possible of course) an aggregation scheme, and shove that off to another table. This will keep your primary table clean of 'deleted' data, as well as keep your secondary table optimized for monitoring purposes (or whatever you had in mind).
For temporal data, see: ht...
Amazon S3 boto - how to create a folder?
...olders in S3. S3 does not have folders, even though the management console and many tools do represent keys with slashes as such. See Working with Folders and read the part: "So the console uses object key names to present folders and hierarchy. In Amazon S3, you have only buckets and objects."
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Vim: insert the same characters across multiple lines
... busy during that time—it’s just waiting for you to press another key, and eventually times out. Two experiments for you: first, try pressing escape and then immediately pressing another key, like j or ^L. You should see that Vim wasn’t busy after all; it was just waiting. Second, try changing...
How to run a method every X seconds
I'm developing an Android 2.3.3 application and I need to run a method every X seconds .
8 Answers
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...t;= 3, if you want something larger you need to change the string constant and the two integer constants to the width needed. eg '0000' and VARCHAR(4)),4
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Why does “,,,” == Array(4) in Javascript?
Boot up your interpreter/console and try the comparison
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Scatter plot and Color mapping in Python
I have a range of points x and y stored in numpy arrays.
Those represent x(t) and y(t) where t=0...T-1
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laravel throwing MethodNotAllowedHttpException
I am trying to get something very basic running. I am used to CI and now learning Laravel 4, and their docs are not making it easy! Anyways, I am trying to create a login form and just make sure that data is posted successfully by printing it in the next form. I am getting this exception:
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Setting background-image using jQuery CSS property
I have an image URL in a imageUrl variable and I am trying to set it as CSS style, using jQuery:
11 Answers
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Finding ALL duplicate rows, including “elements with smaller subscripts”
...me is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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