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How to find all tables that have foreign keys that reference particular table.column and have values
...ma;
SELECT *
FROM
KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE_NAME = 'X'
AND REFERENCED_COLUMN_NAME = 'X_id';
If you have multiple databases with similar tables/column names you may also wish to limit your query to a particular database:
SELECT *
FROM
KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE...
LINQ Aggregate algorithm explained
...6. Then adds 6 and 4 to make 10.
Example 2. create a csv from an array of strings
var chars = new []{"a","b","c", "d"};
var csv = chars.Aggregate( (a,b) => a + ',' + b);
Console.WriteLine(csv); // Output a,b,c,d
This works in much the same way. Concatenate a a comma and b to make a,b. Then co...
Can you require two form fields to match with HTML5?
...e to be done with javascript? For example, if you have two password fields and want to make sure that a user has entered the same data in each field, are there some attributes, or other coding that can be done, to achieve this?
...
Can I grep only the first n lines of a file?
... be faster you're solution is not searching for regexps but only for fixed strings. awk '{ if ( NR <= 10 ) { if( $0 ~ "YOUR_REGEXP") { print } } else { exit; } }' textfile does.
– Zsolt Botykai
Jan 7 '12 at 10:06
...
CSS selector for a checked radio button's label
...ator. It combines two sequences of simple selectors having the same parent and the second one must come IMMEDIATELY after the first.
As such:
input[type="radio"]:checked+label{ font-weight: bold; }
//a label that immediately follows an input of type radio that is checked
works very nicely for...
How to get a value of an element by name instead of ID
...
+1 for you Nick, because you were able to understand the question.
– kjagiello
Jan 21 '10 at 13:30
...
AlertDialog.Builder with custom layout and EditText; cannot access view
...ert_label_editor, null));
inflater is Null.
update your code like below, and try to understand the each code line
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
// ...Irrelevant code for customizing the buttons and title
LayoutInflater inflater = this.getLayoutInflater();
View...
How does collections.defaultdict work?
... as default_factory, any unknown key will return 0 by default.
Now as the string is passed in the loop, it will increase the count of those alphabets in d.
>>> s = 'mississippi'
>>> d = defaultdict(int)
>>> d.default_factory
<type 'int'>
>>> for k in s:
.....
PostgreSQL delete all content
...
Use the TRUNCATE TABLE command.
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How to sort git tags by version string order of form rc-X.Y.Z.W?
When I enter a command:
7 Answers
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