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Is having an 'OR' in an INNER JOIN condition a bad idea?

... a MERGE JOIN. It can be expressed as a concatenation of two resultsets: SELECT * FROM maintable m JOIN othertable o ON o.parentId = m.id UNION SELECT * FROM maintable m JOIN othertable o ON o.id = m.parentId , each of them being an equijoin, however, SQL Server's optimiz...
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jQuery - Detecting if a file has been selected in the file input [duplicate]

...lt;/script> You may want to add IDs to your input and span so you can select based on those to be specific to the elements you are concerned with and not other file inputs or spans in the DOM. share | ...
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How are multi-dimensional arrays formatted in memory?

... unsigned char MultiArray[5][2]={{0,1},{2,3},{4,5},{6,7},{8,9}}; in memory is equal to: unsigned char SingleArray[10]={0,1,2,3,4,5,6,7,8,9}; share ...
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How to call Android contacts list?

...TION_PICK on the People.CONTENT_URI, then return to this Activity when the selection is made (or canceled). startActivityForResult(intent, PICK_CONTACT); 3. Listening for the Result Also in your Activity, override the onActivityResult method to listen for the return from the 'select a contact' A...
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Removing App ID from Developer Connection

...ifiers > App IDs" Find the app id you wish to delete, highlight it and select "Settings". At the bottom of the resulting screen there is a "Delete" button. Previously the only way to do this was to use a Safari & Chrome extension written by Simon Whitaker app-id-sanity downloads It giv...
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Postgres: Distinct but only for one column

...h names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . 3 Ans...
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Difference between >>> and >>

...as really refering to (imho), is that a String could also be regarded as a char[]. He's not saying that a char is not a number ; he's just saying that it's an unsigned number. I think that's where he's lost. – bvdb Aug 17 '15 at 10:33 ...
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

...rrect in the build settings. You need to make sure the correct profile is selected for the "Debug" configuration, and to be safe, that you have selected the correct profile for both the "Debug" and child-node labelled "Any iOS SDK": Although this screenshot shows the "Automatic Developer" profil...
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Is there a download function in jsFiddle?

... Crucial step missing. After jsfiddle.net/Ua8Cv/show select the javascript, choose view frame source, then save. Not just page source. – Eric Bridger Jan 25 '16 at 19:32 ...
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Automatically remove Subversion unversioned files

...X, my alternative is as follows, which translates the linebreaks into null chars and uses the -0 option on xargs to handle spaces in filenames: svn status | grep ^\? | cut -c9- | tr '\n' '\0' | xargs -0 rm – Brian Webster Apr 15 '11 at 22:19 ...