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How to center a checkbox in a table cell?
... contains nothing but a checkbox. It is rather wide because of text in the table header row. How do I center the checkbox (with inline CSS in my HTML? (I know))
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How to write a foreach in SQL Server?
...rforms better than a cursor and is simpler:
DECLARE @PractitionerList TABLE(PracticionerID INT)
DECLARE @PractitionerID INT
INSERT @PractitionerList(PracticionerID)
SELECT PracticionerID
FROM Practitioner
WHILE(1 = 1)
BEGIN
SET @PracticionerID = NULL
S...
Django ManyToMany filter()
...
another way to do this is by going through the intermediate table. I'd express this within the Django ORM like this:
UserZone = User.zones.through
# for a single zone
users_in_zone = User.objects.filter(
id__in=UserZone.objects.filter(zone=zone1).values('user'))
# for multiple zo...
What is the performance cost of having a virtual method in a C++ class?
...ss (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer.
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Set the table column width constant regardless of the amount of text in its cells?
In my table I set the width of the first cell in a column to be 100px .
However, when the text in one of the cell in this column is too long, the width of the column becomes more than 100px . How could I disable this expansion?
...
T-SQL stored procedure that accepts multiple Id values
...s an array or list to a query; each has their own unique pros and cons.
Table-Valued Parameters. SQL Server 2008 and higher only, and probably the closest to a universal "best" approach.
The Iterative Method. Pass a delimited string and loop through it.
Using the CLR. SQL Server 2005 and higher...
How to enable MySQL Query Log?
...make sure is that the directory and file being written to exists and is writable by mysql.
– NightOwlPrgmr
Sep 28 '18 at 19:10
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Why is SELECT * considered harmful?
...work. This is especially true when someone adds new columns to underlying tables that didn't exist and weren't needed when the original consumers coded their data access.
Indexing issues. Consider a scenario where you want to tune a query to a high level of performance. If you were to use *, and ...
How do I vertically center text with CSS? [duplicate]
...n>, so its contents will flow naturally inside the block.
Simulating table display
And here is another option, which may not work on older browsers that don't support display: table and display: table-cell (basically just Internet Explorer 7). Using CSS we simulate table behavior (since table...
PHP: Storing 'objects' inside the $_SESSION
... it on every request. Then the server uses that ID as a key into a big hashtable of Session objects. Whenever the server gets a request, it looks up the Session info out of its hashtable of session objects based on the ID the client submitted with the request. All this extra work is a double whammy ...