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Inner join vs Where
...="T2"."ID"))
-- 2 table access full table1
-- 3 table access full table2
And the execution plan for the query using a WHERE clause.
-- with where clause
EXPLAIN PLAN FOR
SELECT * FROM table1 t1, table2 t2
WHERE t1.id = t2.id;
SELECT *
FROM TABLE (DBMS_XPLAN.DISPLAY);
-- 0 select statement
-- 1...
Python Unicode Encode Error
I'm reading and parsing an Amazon XML file and while the XML file shows a ' , when I try to print it I get the following error:
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How to append contents of multiple files into one file
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You need the cat (short for concatenate) command, with shell redirection (>) into your output file
cat 1.txt 2.txt 3.txt > 0.txt
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Removing list of vms in vagrant cache
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You should use the following command to remove invalid entries from the global index:
vagrant global-status --prune
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How to force composer to reinstall a library?
I'm using the ZF2 skeleton app and it has a .gitignore that prevents external libraries from being commited to git. While debugging I like to go and change stuff here and there in the libraries' source to learn how things work. If these were version controlled it would be very easy to revert them ba...
When to use an interface instead of an abstract class and vice versa?
...ric OOP question. I wanted to do a generic comparison between an interface and an abstract class on the basis of their usage.
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Convert JSON style properties names to Java CamelCase names with GSON
...lowing setting works perfect when reading json with underscored attributes and using camelcasing in my models.
Gson gson = new GsonBuilder()
.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
.create()
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gitx How do I get my 'Detached HEAD' commits back into master [duplicate]
Using Git X and must have fumbled royally on something. Looks like a few days ago I created a branch called detached HEAD and have been committing to it. My normal process is to commit to master and then push that to origin . But I can't push detached HEAD .
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How do we determine the number of days for a given month in python [duplicate]
... answered Feb 8 '11 at 21:06
Andrew HareAndrew Hare
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Javascript. Assign array values to multiple variables? [duplicate]
this code works perfectly in Firefox resulting a=1, b=2 and c=3,
but it doesn't work in Chrome. Is it a Chrome bug or
it is not valid javascript code? (I failed to find it in javascript references)
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