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Postgres: How to do Composite keys?

... tag1 VARCHAR(20), tag2 VARCHAR(20), tag3 VARCHAR(20), PRIMARY KEY(question_id, tag_id) ); NOTICE: CREATE TABLE will create implicit sequence "tags_tag_id_seq" for serial column "tags.tag_id" NOTICE: CREATE TABLE / PRIMARY KEY will creat...
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Unpivot with column name

...inkenlight 659k6969 gold badges945945 silver badges13551355 bronze badges answered Sep 27 '13 at 16:48 Taryn♦Taryn 216k5050 gold...
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reducing number of plot ticks

... 273 Alternatively, if you want to simply set the number of ticks while allowing matplotlib to positi...
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Routing with Multiple Parameters using ASP.NET MVC

... 3 Answers 3 Active ...
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Webrick as production server vs. Thin or Unicorn?

... Jim DevilleJim Deville 10.1k11 gold badge3232 silver badges4646 bronze badges ...
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How to check if an array field contains a unique value or another array in MongoDB?

...ll : [ 'tag1', 'tag2' ] }}); //2 db.blogpost.find({ 'tags' : { $in : [ 'tag3', 'tag4' ] }}); //3 share | improve this answer | follow | ...
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse

... 123 If you press CTRL + I it will just format tabs/whitespaces in code and pressing CTRL + SHIFT + F...
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How to disable action bar permanently

...Holo.Light and want to use the Theme.Holo.Light.NoActionBar variant on pre 3.2 devices you can add this to your styles.xml: <style name="NoActionBar" parent="@android:style/Theme.Holo.Light"> <item name="android:windowActionBar">false</item> <item name="android:windowNo...
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What does “not run” mean in R help pages?

... 3 ... how did I not know about this function? – Matt Parker Sep 21 '09 at 14:41 ...
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ElasticSearch - Return Unique Values

... "doc_count" : 244812 }, { "key" : "11", "doc_count" : 136794 }, { "key" : "12", "doc_count" : 32312 } ] } } } The size parameter within the aggregation specifies the maximum number of terms to include in the aggregation result. If you need all resu...