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Does order of where clauses matter in SQL?

...rstName) (or both) On the other hand - again for SQL Server - if you use SELECT * to grab all columns from a table, and the table is rather small, then there's a good chance the query optimizer will just do a table (or clustered index) scan instead of using an index (because the lookup into the fu...
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How do I install Eclipse Marketplace in Eclipse Classic?

...available add the site "Juno - http://download.eclipse.org/releases/juno" Select and expand general purpose tools Select and install Marketplace client share | improve this answer | ...
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

... write a plugin that would do something like: SampleModel.find(:all, :select => "DISTINCT(*)", :conditions => ["date > #{self.date}"], :limit => 1, :order => 'date', :group => "date").show_generated_sql and have this call the construct_finder_sql method. ...
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What is in your Mathematica tool bag? [closed]

...pplication of Reap and Sow which mimics/extends the behavior of GatherBy: SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:= Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]]; This allows me to group lists by any criteria and transform them in the process. The way it works is that a c...
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Build project into a JAR automatically in Eclipse

...con on build.xml. Step 2 Right-click on the root node in the project. - Select Properties - Select Builders - Select New - Select Ant Build - In the Main tab, complete the path to the build.xml file in the bin folder. Check the Output The Eclipse output window (named Console) should show...
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Cross-browser custom styling for file upload button [duplicate]

... This works great for me, my only issue is that after a file is selected, it doesn't actually show that a file has been selected. Is there any way to show an indicator that a file has been chosen? – Dylan Vester Feb 27 '15 at 21:27 ...
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How does Google's Page Speed lossless image compression work?

...om build tool which compresses images with both optipng and pngcrush, then selects the smaller file. Still, Page Speed complains about non-optimal images. So which tool do they really use? – user123444555621 Sep 10 '12 at 7:42 ...
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How to make ReSharper re-evaluate its assembly reference highlighting

... unload the project, right-click the project in the solution explorer, and select Unload Project. Then, right-click the project again and select Reload Project. The issue continues to occur occasionally with the latest versions of ReSharper, but the fix seems to work for every version. ...
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vim - How to delete a large block of text without counting the lines?

...ed {v}), Visual Line Mode (Line based {S-v}) and Visual Block Mode (Allows selection of blocks {C-v}) – Tom Regner Apr 3 '11 at 18:10  |  show...
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Inspect hovered element in Chrome?

...er over the element to bring up the tooltip, right click as if you were to select 'Inspect Element'. Leaving that context menu open, move the focus over to the dev tools. The html for the tooltip should show up next to the element its a tooltip for in the HTML. Then you can look at it as if it were ...