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Unknown column in 'field list' error on MySQL Update query
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I had this when I was confused and used double quotes instead of single quotes around my strings.
– tripleee
Mar 21 '18 at 13:18
ad...
How do I list all tables in a schema in Oracle SQL?
...NCT OWNER, OBJECT_NAME
FROM DBA_OBJECTS
WHERE OBJECT_TYPE = 'TABLE'
AND OWNER = '[some other schema]'
Without those system privileges, you can only see tables you have been granted some level of access to, whether directly or through a role.
SELECT DISTINCT OWNER, OBJECT_NAME
FROM ALL_O...
How can I overwrite a getter method in an ActiveRecord model?
...veRecord model. I have an attribute called name in the model Category , and I'd like to be able to do something like this:
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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...ity between systems with different screen resolution.)
Some (incomplete, and unfortunately the links are broken due to migration of SwingLabs to java.net) technical reasons are for instance mentioned in the Rules (hehe) or in the link @bendicott found in his/her comment to my answer. Socially, pos...
How can I start an interactive console for Perl?
How can I start an interactive console for Perl, similar to the irb command for Ruby or python for Python?
23 Answers
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What is the function __construct used for?
...ave been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP.
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Understanding Spring @Autowired usage
I am reading the spring 3.0.x reference documentation to understand Spring Autowired annotation:
3 Answers
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What is InnoDB and MyISAM in MySQL?
What is InnoDB and MyISAM in MySQL ?
8 Answers
8
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SQL Server add auto increment primary key to existing table
...lues when you do this:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
and then you can make it the primary key:
ALTER TABLE dbo.YourTable
ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRA...
A more pretty/informative Var_dump alternative in PHP? [closed]
...decent PHP programmer has a print_r or var_dump wrapper they use, love and assign shortcut keys to, why don't we share our favourite ones .
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