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Multiple Indexes vs Multi-Column Indexes

...ystem. 2) Clustered index should be a Relational Key, ie. not an IDENTITY, GUID, etc. 3) "Then an index with state, county, zip. will be used in all three of these searches." is false, and contradicts "the first column is usable". The 2nd & subs cols in the index are not usable for search. ...
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What is the difference between public, private, and protected?

...alk, were by David A Taylor, being Object Oriented Technology: A Manager's Guide and Business Engineering with Object Teechnology. Both are only 100 pages, and each easy enough to read in an afternoon. Of course, there is Gamma et al's Design Patterns, though the basic approach can simply be describ...
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How are the points in CSS specificity calculated

...esearching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/ 7 Answers ...
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C# - Keyword usage virtual+override vs. new

...s of new vs override are sound, but this answer seems to help the most for guiding devs on which to use. – Sully Feb 26 '14 at 14:21 add a comment  |  ...
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Unioning two tables with different number of columns

...pecific operator to handle that scenario: SAS(R) 9.3 SQL Procedure User's Guide CORRESPONDING (CORR) Keyword The CORRESPONDING keyword is used only when a set operator is specified. CORR causes PROC SQL to match the columns in table expressions by name and not by ordinal position. Columns that do n...
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How can I rename a project folder from within Visual Studio?

...ced it. You should be all set now. Go and check everything in. The above guide worked for me. If it doesn't work for you, try and delete your local solution completely, and remove the folder mapping in your workspace. Restart Visual Studio just in case. Make sure you actually deleted the whole sol...
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables

... Adapted from the Date and Time Programming Guide: // Right now, you can remove the seconds into the day if you want NSDate *today = [NSDate date]; // All intervals taken from Google NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0]; NSDate *thisWeek = ...
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How do you copy a record in a SQL table but swap out the unique id of the new row?

... destination table are the same and the primary key is a uniqueidentifier (guid). When I try this: 11 Answers ...
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When should I use Arrow functions in ECMAScript 6?

... with this. (Stats via http://trends.builtwith.com/javascript/jQuery and https://www.npmjs.com.) You are likely to require dynamic this bindings already. A lexical this is sometimes expected, but sometimes not; just as a dynamic this is sometimes expected, but sometimes not. Thankfully, there is...
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How does JavaFX compare to WPF? [closed]

...I prefer CSS to XAML styles which tend to be too verbose for my liking. A guide to JavaFX CSS can be found here. Layout JavaFX provides a number of layout panes that are similar to those provided by WPF. One difference I have noticed is that the measure and layout contract is defined further up t...