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Any way to Invoke a private method?
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So then what is the point of having private methods if they can be called from outside the class?
– Peter Ajtai
Sep 19 '13 at 22:56
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How can you represent inheritance in a database?
...ingle table for your base class, which includes all the common attributes. Then you would create specific tables for each subtype, whose primary key also serves as a foreign key to the base table. Example:
CREATE TABLE policies (
policy_id int,
date_issued datetime,
-- // o...
What does value & 0xff do in Java?
...t byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value is promoted to an int (ff ff ff fe).
0xff...
How do I create a Bash alias?
... no .bash_profile in my home dir. Creating it, adding the alias to it, and then initiating it with the . .bash_profile command worked.
– Bradley Flood
Jun 26 '14 at 1:27
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What is the syntax for an inner join in LINQ to SQL?
...ealerContact and Dealer records, along with all of their fields.
We can then use fields from those records as we filter and select the results, as demonstrated by the remainder of the example, which uses dc_d as a name for the anonymous object we built which has both the DealerContact and Dealer ...
Passing parameters to addTarget:action:forControlEvents
... you can just say [button.layer setValue:yourObject forKey:@"anyKey"]; and then in the method just check (objectClass *)[button.layer valueForKey:@"anyKey"]; It's like a more free version of .tag
– Albert Renshaw
Oct 14 '16 at 20:40
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How do I get the path of the assembly the code is in?
...lder), so I prefer to use CodeBase which gives you the path in URI format, then UriBuild.UnescapeDataString removes the File:// at the beginning, and GetDirectoryName changes it to the normal windows format.
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How to declare a variable in a PostgreSQL query
...if you wanted to use a variable for LIMIT (which can't contain variables), then you'd want to use \set as suggested in Shahriar Aghajani's answer.
– cimmanon
Oct 30 '13 at 15:20
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How to convert all tables from MyISAM into InnoDB?
...= 'MyISAM'
AND `TABLE_TYPE` = 'BASE TABLE'
ORDER BY table_name DESC;
Then, copy the output and run as a new SQL query.
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Django MEDIA_URL and MEDIA_ROOT
I'm trying to upload an image via the Django admin and then view that image either in a page on the frontend or just via a URL.
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