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Removing duplicate objects with Underscore for Javascript

I have this kind of array: 13 Answers 13 ...
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Drop a temporary table if it exists

I have two lines of code in SQL that create two tables on the fly, i need to do something like 3 Answers ...
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How do I iterate over an NSArray?

I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+. 8 Answers ...
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GCM with PHP (Google Cloud Messaging)

How can I integrate the new Google Cloud Messaging in a PHP backend? 13 Answers 13 ...
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Get real path from URI, Android KitKat new storage access framework [duplicate]

Before the new gallery access in Android 4.4 (KitKat) I got my real path on the SD card with this method: 9 Answers ...
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SQL SELECT speed int vs varchar

I'm in the process of creating a table and it made me wonder. 9 Answers 9 ...
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Get the last inserted row ID (with SQL statement) [duplicate]

I want to get the new created ID when you insert a new record in table. 3 Answers 3 ...
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Store query result in a variable using in PL/pgSQL

How to assign the result of a query to a variable in PL/pgSQL, the procedural language of PostgreSQL? 5 Answers ...
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INSERT INTO…SELECT for all MySQL columns

I'm trying to move old data from: 5 Answers 5 ...
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How to delete a certain row from mysql table with same column values?

I have a problem with my queries in MySQL. My table has 4 columns and it looks something like this: 6 Answers ...