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Storing time-series data, relational or non?
...g 1,000 rows from a 16 billion row table is instantaneous).
Your table has one serious impediment. Given your description, the actual PK is (Device, Metric, DateTime). (Please don't call it TimeStamp, that means something else, but that is a minor issue.) The uniqueness of the row is identified b...
Error deploying ClickOnce application - Reference in the manifest does not match the identity of the
...Visual Studio 2008 which is solved by not embedding the default manifest - one of the comments on that article suggests the problem still exists in Visual Studio 2010.
In project properties -> Application tab -> Resources -> checkbox Icon and manifest, the setting "Embed manifest with d...
What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli
...
I think you got a slight misunderstanding what the first one means.
.element .symbol {}
Means that those CSS settings are applied to any HTML element with the class .symbol that is inside an element with the class .element.
<div class="element">
<div class="symbol"...
First-time database design: am I overengineering? [closed]
...e more answers to your questions:
1) You're pretty much on target for someone who is approaching a problem like this for the first time. I think the pointers from others on this question thus far pretty much cover it. Good job!
2 & 3) The performance hit you will take will largely be dependen...
Using pg_dump to only get insert statements from one table within database
I'm looking for a way to get all rows as INSERT statements from one specific table within a database using pg_dump in PostgreSQL.
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How do I count a JavaScript object's attributes? [duplicate]
... what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free."
Here's one way:
var foo = {"key1": "value1", "key2": "value2", "key3": "value3"};
Object.prototype.foobie = 'bletch'; // add property to foo that won't be counted
var count =...
$.focus() not working
...ut(function() { $('input[name="q"]').focus() }, 3000);
As for your other one, the one thing that has given me trouble in the past is order of events. You cannot call focus() on an element that hasn't been attached to the DOM. Has the element you are trying to focus already been attached to the DOM...
MongoDB: update every document on one field
...ht for all of these instances of foo. After running that I do a db.foo.findOne() and lastLookedAt is: 1327691719186, which translates to jruby-1.6.5 :011 > Time.at(1327691719186) => Sun Nov 16 02:19:46 -0500 44042
– randombits
Jan 27 '12 at 19:16
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
...using Hibernate for all CRUD operations in my project. It doesn't work for One-To-Many and Many-To-One relationships. It gives me the below error.
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
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Choosing four argument registers on x64 - common to UN*X / Win64
One of the things to keep in mind about x86 is that the register name to "reg number" encoding is not obvious; in terms of instruction encoding (the MOD R/M byte, see http://www.c-jump.com/CIS77/CPU/x86/X77_0060_mod_reg_r_m_b...