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Truncating all tables in a Postgres database

I regularly need to delete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL? ...
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What's “requestCode” used for on PendingIntent?

... the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode? – android developer Feb 3 '14 at 12:36 ...
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@RequestBody and @ResponseBody annotations in Spring

... There is a whole Section in the docs called 16.3.3.4 Mapping the request body with the @RequestBody annotation. And one called 16.3.3.5 Mapping the response body with the @ResponseBody annotation. I suggest you consult those sections. Also relevant: @RequestBody ...
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Add CSS or JavaScript files to layout head from views or partial views

... The question specifically mentioned partial view and this highest rated answer doesn't address the issue! This may be an excellent solution for another query, but not this one. – vulcan raven May 3 '13 at 5...
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node.js global variables?

... Globals are generally to be avoided, but if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('und...
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How to move columns in a MySQL table?

...erform on a large table? Is it just changing some metadata, or does it actually have to reorganize data on the disk? – Kip Nov 12 '15 at 16:01 7 ...
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Why and not taking font-family and font-size from body?

... All browsers have built-in default stylesheets. That's why, when you make a page without any styles defined at all, <h1> tags are large and bold, and <strong> makes text bold. Similarly, the font styles for <in...
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?

...rovides high performance, regular, multi-dimensional, shape polymorphic parallel arrays. All numeric data is stored unboxed. Functions written with the Repa combinators are automatically parallel provided you supply +RTS -Nwhatever on the command line when running the program. Recently, it has bee...
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How to get current CPU and RAM usage in Python?

... Worked for me on OSX: $ pip install psutil; >>> import psutil; psutil.cpu_percent() and >>> psutil.virtual_memory() which returns a nice vmem object: vmem(total=8589934592L, available=4073336832L, percent=52.6, used=5022085120L, free=35602...
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Setting an object to null vs Dispose()

...When you write a using statement, it's simply syntactic sugar for a try/finally block so that Dispose is called even if the code in the body of the using statement throws an exception. It doesn't mean that the object is garbage collected at the end of the block. Disposal is about unmanaged resourc...