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SQLite add Primary Key
I created a table in Sqlite by using the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one.
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Date vs DateTime
...n retrieve the date part via the Date property (which is another DateTime with the time set to 00:00:00).
And you can retrieve individual date properties via Day, Month and Year.
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How to use Global Variables in C#?
How do I declare a variable so that every class (*.cs) can access its content, without an instance reference?
4 Answers
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How to compare times in Python?
...to flip the acceptance to Pär Wieslander's answer (and generally should wait a few more minutes than you did :P), as it's a bit more specific to exactly what you asked.
– Roger Pate
Dec 2 '09 at 8:40
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Can I have an IF block in DOS batch file?
...r an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code:
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How to reference a .css file on a razor view?
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For CSS that are reused among the entire site I define them in the <head> section of the _Layout:
<head>
<link href="@Url.Content("~/Styles/main.css")" rel="stylesheet" type="text/css" />
@RenderSection("Styles", false)
</head>
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Python super() raises TypeError
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edited May 28 '18 at 7:25
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How can I scale an image in a CSS sprite
In this article, http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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How can I recall the argument of the previous bash command?
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Also, if you want an arbitrary argument, you can use !!:1, !!:2, etc. (!!:0 is the previous command itself.) See gnu.org/software/bash/manual/bashref.html#History-Interaction
– janmoesen
Jul 30 '10 at 12:21
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How to check if object (variable) is defined in R?
I'd like to check if some variable is defined in R - without getting an error. How can I do this?
6 Answers
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