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Android Studio: how to attach Android SDK sources?

...for SDK is available only for API levels 14 and above. UPDATE ( Based on stable release 3.2.1): Google changes the approach of shipping the sources, so lets see what changed. Go to the following location Preferences -> Apperance & Behaviour -> System Settings -> Android SDK Quite ...
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How can prepared statements protect from SQL injection attacks?

...SELECT * FROM users where id=1 while this code $spoiled_data = "1; DROP TABLE users;" $query = "SELECT * FROM users where id=$spoiled_data"; will produce a malicious sequence SELECT * FROM users where id=1; DROP TABLE users; It works because we are adding the data directly to the prog...
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Postgres manually alter sequence

... ALTER SEQUENCE [sequence] RESTART WITH (SELECT MAX(col) from table); does not work, whereas SELECT setval('sequence', (SELECT (MAX(col) from table), TRUE); does work. I get a syntax error. (Postgres 9.4) – NuclearPeon Jul 21 '18 at 1:35 ...
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Oracle query to fetch column names

I have a mySQL query to get columns from a table like this: 12 Answers 12 ...
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SQL Server Output Clause into a scalar variable

Is there any "simple" way to do this or I need to pass by a table variable with the "OUTPUT ... INTO" syntax? 3 Answers ...
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How to efficiently build a tree from a flat structure?

... Store IDs of the objects in a hash table mapping to the specific object. Enumerate through all the objects and find their parent if it exists and update its parent pointer accordingly. class MyObject { // The actual object public int ParentID { get; set; ...
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Insert all values of a table into another table in SQL

I am trying to insert all values of one table into another. But the insert statement accepts values, but i would like it to accept a select * from the initial_Table. Is this possible? ...
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Case insensitive searching in Oracle

...ur data to be the same case by using UPPER() or LOWER(): select * from my_table where upper(column_1) = upper('my_string'); or select * from my_table where lower(column_1) = lower('my_string'); If column_1 is not indexed on upper(column_1) or lower(column_1), as appropriate, this may force a f...
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Need to list all triggers in SQL Server database with table name and table's schema

I need to list all triggers in SQL Server database with table name and table's schema. 19 Answers ...
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Client-server synchronization pattern / algorithm?

...g every change (insert, update or delete) from any device into a "history" table. So if, for example, someone changes their phone number in the "contact" table, the system will edit the contact.phone field, and also add a history record with action=update, table=contact, field=phone, record=[contact...