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How to select all records from one table that do not exist in another table?
...ally, We ignore all fields from our result except for the name column (the one we are sure that exists, from table1).
While it may not be the most performant method possible in all cases, it should work in basically every database engine ever that attempts to implement ANSI 92 SQL
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How to copy a file from one directory to another using PHP?
...emis I too wish they had named the function move. It would be intuitive if one has a little linux exposure.
– Fr0zenFyr
Mar 23 '16 at 11:41
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
... Data Modeler → Import → Data Dictionary.
Select a DB connection (add one if none).
Click Next.
Check one or more schema names.
Click Next.
Check one or more objects to import.
Click Next.
Click Finish.
The ERD is displayed.
Export the diagram as follows:
Click File → Data Modeler → Pri...
What is your naming convention for stored procedures? [closed]
...pecially if there are a large amount of sprocs.
Regarding where more than one object is used, I find that most instances have a primary and secondary object, so the primary object is used in the normal instance, and the secondary is refered to in the process section, for example App_Product_AddAttr...
How to initialize an array in one step using Ruby?
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Plus one for the detailed answer, even though I prefer splat over to_a ([*'1'..'3']).
– Michael Kohl
Feb 5 '11 at 17:48
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Difference between array_push() and $array[] =
...'m pretty sure there is a function behind the alternate syntax its not the one mentioned above as I see the fallowing comment in the php documentation: "If you use array_push() to add one element to the array it's better to use $array[] = because in that way there is no overhead of calling a functio...
Intersection of two lists in Bash
...ts found in two lists. To simplify, let's use ls as an example. Imagine "one" and "two" are directories.
6 Answers
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On duplicate key ignore? [duplicate]
... @Derrick would you consider changing the accepted answer to this one for future searchers? Would be better to have the safer solution as the accepted one for those referencing this very question.
– damianb
Mar 14 '13 at 20:02
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When to delete branches in Git?
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One of my reasons to wanting to delete branches is:We do a lot of changes in branches (actually, all changes) so eventually you get a long list when using the command 'git branch'. For the overview, I want to shorten that lis...
Compiled vs. Interpreted Languages
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A compiled language is one where the program, once compiled, is expressed in the instructions of the target machine. For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code.
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