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SQL Server - When to use Clustered vs non-Clustered Index?

...ing: please very carefully pick your clustered index! Every "regular" data table ought to have a clustered index, since having a clustered index does indeed speed up a lot of operations - yes, speed up, even inserts and deletes! But only if you pick a good clustered index. It's the most replicated ...
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?

...ethod you pass to a string and dissects it and tries to match it with your table's column names. – bigpotato Oct 16 '13 at 17:57 ...
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PostgreSQL - Rename database

... The above suggestions make me think it's better to keep table names restricted to just lowercase letters and underscore if possible! – Aswin Sanakan Feb 17 at 6:52 ...
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Switching a DIV background image with jQuery

I am making an expand/collapse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clic...
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Set a default parameter value for a JavaScript function

... Here is the compatibility table for ES6 kangax.github.io/compat-table/es6/#default_function_parameters Unfortunately this syntax isn't supported yet. – freemanoid Jul 9 '15 at 19:03 ...
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ng-model for `` (with directive DEMO)

...le" select-ng-files ng-model="fileArray" multiple> <code><table ng-show="fileArray.length"> <tr><td>Name</td><td>Date</td><td>Size</td><td>Type</td><tr> <tr ng-repeat="file in fileArray"> <td>{{...
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Numpy where function multiple conditions

...u even asking it to get logical AND of, because in the operator precedence table if you see, & is given precedence over < or > operators. Here's the table from from lowest precedence to highest precedence. It's not even performing the < and > operation and being asked to perform a...
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Using :after to clear floating elements

...s well: .clearfix:before, .clearfix:after { content: ""; display: table; } .clearfix:after { clear: both; } /* IE 6 & 7 */ .clearfix { zoom: 1; } Give the class clearfix to the parent element, for example your ul element. Sources here and here. ...
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Add a common Legend for combined ggplots

... Update 2015-Feb See Steven's answer below df1 <- read.table(text="group x y group1 -0.212201 0.358867 group2 -0.279756 -0.126194 group3 0.186860 -0.203273 group4 0.417117 -0.002592 group1 -0.212201 0.358867 group2 -0.279756 -0.126194 group3 0.186860 -0.203273 group...
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Why doesn't the height of a container element increase if it contains floated elements?

... you can use .self_clear:after { content: ""; clear: both; display: table; } How Does CSS Float Work? What is float exactly and what does it do? The float property is misunderstood by most beginners. Well, what exactly does float do? Initially, the float property was introduced to flow...