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How to find if a given key exists in a C++ std::map
...sume so. For a language-agnostic discussion of your question, see Can hash tables really be O(1)?.
– DavidRR
May 14 '17 at 15:10
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CodeIgniter: Create new helper?
...t_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
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Get most recent file in a directory on Linux
...e datestamp with ls -tl | head -n 1, and it doesn't have to push the whole table through the pipe the way mine does.
– dmckee --- ex-moderator kitten
Nov 14 '14 at 17:23
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How can I get the actual stored procedure line number from an error message?
...is
CAST(ERROR_LINE() AS VARCHAR(50))
and if you want to make error log table you can use this :
INSERT INTO dbo.tbname( Source, Message) VALUES ( ERROR_PROCEDURE(), '[ ERROR_SEVERITY : ' + CAST(ERROR_SEVERITY() AS VARCHAR(50)) + ' ] ' + '[ ERROR_STATE : ' + CAST(ERROR_STATE() AS VARCHAR(50)) + ...
Max length for client ip address [duplicate]
... you want to do a lookup, for example, to see if the IP address is in some table, you need a "canonical representation." Converting the entire thing to a (large) number is the right thing to do. IPv4 addresses can be stored as a long int (32 bits) but you need a 128 bit number to store an IPv6 add...
How to configure port for a Spring Boot application
...TS 4 it is at run -> run configurations -> main, then scroll down to Table with Parameter Name and Value
– serv-inc
Apr 28 '19 at 13:00
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Like Operator in Entity Framework?
...note that "WHERE Name LIKE '%xyz%'" will be unable to use an index, so if table is huge it might not perform that well...
– Mitch Wheat
Jun 23 '09 at 14:49
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Set selected index of an Android RadioGroup
...id (such as R.id.radioButton1), and reduces the need to implement a lookup table to convert index to view id.
– Siavash
Feb 17 '15 at 3:51
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Subversion stuck due to “previous operation has not finished”?
...ed the most voted answers here and a few others to no avail. My WORK_QUEUE table was empty and I wasn't able to try a clean up at a higher folder. What did work was the following (this is via Tortoise SVN);
Right click on folder
Go to TortoiseSVN -> Clean Up...
Make sure the option to Break Loc...
Adding :default => true to boolean in existing Rails column
...ribute == nil ? true : false)) }
Update the migration that created this table, so any future builds of the DB will get it right from the onset. Also run the same process on any deployed-instances of the DB.
If using the "new db migration" method, you can do the update of existing nil-values i...