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NGinx Default public www location?
... have worked with Apache before, so I am aware that the default public web root is typically /var/www/ .
30 Answers
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How do I get the size of a java.sql.ResultSet?
...CHAR "
+from_where
+"UNION ALL "//the "ALL" part prevents internal re-sorting to prevent duplicates (and we do not want that)
+"select cast(null as int)as RECORDCOUNT,"
+ "MYBOOL,MYINT,M...
How to check permissions of a specific directory?
...tfacl, stat.
For Dir
[flying@lempstacker ~]$ ls -ldh /tmp
drwxrwxrwt. 23 root root 4.0K Nov 8 15:41 /tmp
[flying@lempstacker ~]$ namei -l /tmp
f: /tmp
dr-xr-xr-x root root /
drwxrwxrwt root root tmp
[flying@lempstacker ~]$ getfacl /tmp
getfacl: Removing leading '/' from absolute path names
# file...
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
... If the same two fields are used together in other places (comparisons, unions, coalesce, etc...) make sure that each of those also have the collation specified.
– Zarepheth
Feb 17 '14 at 21:26
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Find most frequent value in SQL column
...+1 for using standard SQL that will work in any database (whereas LIMIT is MySQL specific, TOP is SQL Server specific).
– Dylan Smith
Jul 20 '18 at 14:46
add a comment
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How to store values from foreach loop into an array?
...bership AS gm LEFT JOIN users AS u ON gm.`idUser` = u.`idUser`";
$result = mysql_query($query);
while ($record = mysql_fetch_array($result)) { \
$items[] = $username;
}
?>
while is faster, but the last example is only a result of an observation. :)
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How to create a multi-tenant database with shared table structures?
Our software currently runs on MySQL. The data of all tenants is stored in the same schema. Since we are using Ruby on Rails we can easily determine which data belongs to which tenant. However there are some companies of course who fear that their data might be compromised, so we are evaluating othe...
Editing dictionary values in a foreach loop
...decimal)c.Value / (decimal)totalCount >= .05M);
var newColStates = over.Union(new Dictionary<string, int>() { { "Other", under.Sum(c => c.Value) } });
foreach (var item in newColStates)
{
Console.WriteLine("{0}:{1}", item.Key, item.Value);
}
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Escaping ampersand character in SQL string
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Note that & doesn't need to be escaped in MySQL. Also MySQL doesn't have the function CHR().
– asmaier
Jun 18 at 11:24
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Create a temporary table in a SELECT statement without a separate CREATE TABLE
...STS table2 AS (SELECT * FROM table1)
From the manual found at http://dev.mysql.com/doc/refman/5.7/en/create-table.html
You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to the current session, and is dropped automatically when the session is closed. Thi...