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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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For MySQL, MariaDB
ALTER TABLE [table name] MODIFY COLUMN [column name] [data type] NULL
Use MODIFY COLUMN instead of ALTER COLUMN.
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What's “tools:context” in Android layout files?
...name attribute. It prepends the package declaration from the manifest file root element, if necessary.
– Tor Norbye
Jun 20 '12 at 14:31
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Allow user to set up an SSH tunnel, but nothing else
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?? @DanFarrell would the .ssh/authorized_keys be owned by root, or wheel, or whom?
– Andrew Wolfe
Nov 23 '15 at 14:35
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TypeError: $.ajax(…) is not a function?
I'm trying to create a simple AJAX request which returns some data from a MySQL database. Here's my function below:
13 Answ...
Get the current script file name
...heir own impotence, But you can safe your url using different filers, like mysql_real_escape_string, stripslashes etc..
– Khandad Niazi
Jan 29 '14 at 15:43
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Can a program depend on a library during compilation but not runtime?
...le configuration" (using Ivy terms) and major directory under your project root? For instance, all my JUnit tests that depend on the JUnit JAR will be under the test/ root, etc. I just don't see how the same classes, packaged under the same source root, could be "configured" to depend on different J...
Finding duplicate rows in SQL Server
... I found this answer that worked just great: Get list of duplicate rows in MySql
SELECT n1.*
FROM myTable n1
INNER JOIN myTable n2
ON n2.repeatedCol = n1.repeatedCol
WHERE n1.id <> n2.id
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How can I confirm a database is Oracle & what version it is using SQL?
...om v$version;
For SQL server use:
Select @@VERSION as Version
and for MySQL use:
Show variables LIKE "%version%";
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How to create an array for JSON using PHP?
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I have this code while($row=mysql_fetch_assoc($query_insert)) { $control=array('regione'=>$row["regione"],'totale'=>$row["prezzi"]); } print (json_encode(%control)); but retun {"regione":"Puglia","totale":"5.15"} not [{..},{..}]
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Why does sudo change the PATH?
...d env_check
lists are displayed when sudo is run by root with the
-V option. If sudo was compiled with the SECURE_PATH
option, its value will be used for the PATH environment
variable. This flag is on by de...