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Do I need to manually close an ifstream?
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23
Using a nested scope just to close the file is completely artificial - if you mean to close it, call close() on it.
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Return 0 if field is null in MySQL
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332
Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() ret...
SQL query for finding records where count > 1
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350
Use the HAVING clause and GROUP By the fields that make the row unique
The below will find
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Changing the cursor in WPF sometimes works, sometimes doesn't
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answered Nov 20 '08 at 22:03
Matt HamiltonMatt Hamilton
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An “and” operator for an “if” statement in Bash
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William PursellWilliam Pursell
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How do you remove the root CA certificate that fiddler installs
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Martijn Pieters♦
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answered Dec 13 '16 at 8:33
Eyal Ab...
Execute Insert command and return inserted Id in Sql
..."@occ", Mem_Occ);
con.Open();
int modified = Convert.ToInt32(cmd.ExecuteScalar());
if (con.State == System.Data.ConnectionState.Open) con.Close();
return modified;
}
}
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Disable git EOL Conversions
...Open up the config file in Notepad++ (or whatever text editor you prefer)
3) Change "autocrlf=" to false.
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jquery - fastest way to remove all rows from a very large table
...ght this might be a fast way to remove the contents of a very large table (3000 rows):
8 Answers
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What is a monad?
...t an example of method chaining which does not use the monad pattern:
[1,2,3].map(x => x + 1)
The result is [2,3,4]. The code does not conform to the monad pattern, since the function we are supplying as argument returns a number, not an Array. The same logic in monadic form would be:
[1,2,3].fl...