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SSH to Elastic Beanstalk instance

... region. Configure Security Group In the AWS console, open the EC2 tab. Select the relevant region and click on Security Group. You should have an elasticbeanstalk-default security group if you have launched an Elastic Beanstalk instance in that region. Edit the security group to add a rule for S...
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SQL Query to concatenate column values from multiple rows in Oracle

...on on string aggregation techniques. A very common one is to use LISTAGG: SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description FROM B GROUP BY pid; Then join to A to pick out the pids you want. Note: Out of the box, LISTAGG only works correctly with VARCHAR2 columns. ...
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MySQL - Rows to Columns

...ms that I'll use for the rest of this post. This will be the base table: select * from history; +--------+----------+-----------+ | hostid | itemname | itemvalue | +--------+----------+-----------+ | 1 | A | 10 | | 1 | B | 3 | | 2 | A | 9...
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How to assign a Git SHA1's to a file without Git?

...f without having Git installed. Note that "\0" is the NULL-byte, not a two-character string. For example, the hash of an empty file: sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" $ touch empty $ git hash-object empty e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 Another example: sha...
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Select data from date range between two dates

...uch more simple (only two cases against four). Your SQL will look like: SELECT * FROM Product_sales WHERE NOT (From_date > @RangeTill OR To_date < @RangeFrom) share | improve this answer ...
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Android - Set max length of logcat messages

...e { Log.v(TAG, sb); } to also print the log when the message is <= 4000 chars long – Bojan Radivojevic Bomber Apr 26 '14 at 21:45 ...
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How to Join to first row

... SELECT Orders.OrderNumber, LineItems.Quantity, LineItems.Description FROM Orders JOIN LineItems ON LineItems.LineItemGUID = ( SELECT TOP 1 LineItemGUID FROM LineItems W...
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Insert all values of a table into another table in SQL

.... 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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How to calculate percentage with a SQL statement

...ultiplication of 100 in the wrong place and had some missing parenthesis. Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score From MyTable Group By Grade share | improve th...
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Use 'class' or 'typename' for template parameters? [duplicate]

...s expected T will always be a class, with "typename" if other types (int, char* whatever) may be expected. Consider it a usage hint. share | improve this answer | follow ...