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When should you not use virtual destructors?
...mean every allocated object increases in memory cost by a virtual function table pointer.
So if your program involves allocating a very large number of some object, it would be worth avoiding all virtual functions in order to save the additional 32 bits per object.
In all other cases, you will sav...
Creating a constant Dictionary in C#
...y a nice one; remember that according to the C# specification, switch-case tables are compiled to constant hash jump tables. That is, they are constant dictionaries, not a series of if-else statements. So consider a switch-case statement like this:
switch (myString)
{
case "cat": return 0;
ca...
Vertical (rotated) text in HTML table
Is there a (portable) way to rotate text in a HTML table cell by 90°?
11 Answers
11
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How to list records with date from the last 10 days?
...hy don't you just try it?
The standard ANSI SQL format would be:
SELECT Table.date
FROM Table
WHERE date > current_date - interval '10' day;
I prefer that format as it makes things easier to read (but it is the same as current_date - 10).
...
What algorithm does Readability use for extracting text from URLs?
...ere are cases where the "main content" is something else, e.g. an image, a table, a video etc. The algorithms won't work well for such cases.
Cheers,
Christian
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Add a column to a table, if it does not already exist
I want to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query.
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Div width 100% minus fixed amount of pixels
How can I achieve the following structure without using tables or JavaScript? The white borders represent edges of divs and aren't relevant to the question.
...
How do you rename a MongoDB database?
...pyDatabase('testing','movies');
So in this context all the collections (tables) of testing will be copied to movies database.
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CodeIgniter: Create new helper?
...t_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
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Render Partial View Using jQuery in ASP.NET MVC
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@Zapnologica - if you're reloading the entire table, you might need to reapply the plugin since the DOM elements it was originally connected to have been replaced. It might be better to connect it to a method that returns the data as JSON, datatables.net/examples/data_so...
