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How do I create a variable number of variables?
... # prints bar, because indices start at 0
lst.append('potatoes') # lst is now ['foo', 'bar', 'baz', 'potatoes']
For ordered sequences, lists are more convenient than dicts with integer keys, because lists support iteration in index order, slicing, append, and other operations that would require a...
What's the best online payment processing solution? [closed]
...ease of integration. Oh boy do they differ. I'm sitting on some work right now to do an HSBC integration. I'd rather have a root canal. Some of the systems make big assumptions about the way you have to work with them, and are poorly designed or inflexible. Retro-fitting them to an active site can b...
jQuery UI Tabs - How to Get Currently Selected Tab Index
I know this specific question has been asked before , but I am not getting any results using the bind() event on the jQuery UI Tabs plugin.
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Which mime type should I use for mp3
...
Chrome 26 knows better and uses audio/mp3... Go figure.
– Nux
Apr 5 '13 at 11:31
22
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HTML Input=“file” Accept Attribute File Type (CSV)
...his attribute is very old and not accepted in modern browsers as far as I know, But here is an alternative to it, Try this
<script type="text/javascript" language="javascript">
function checkfile(sender) {
var validExts = new Array(".xlsx", ".xls", ".csv");
var fileExt = sender.value;...
How to check if a database exists in SQL Server?
...EN 1
ELSE 0
END
AS BIT)
return @result
END
GO
Now you can use it like this:
select [dbo].[DatabaseExists]('master') --returns 1
select [dbo].[DatabaseExists]('slave') --returns 0
share
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In JavaScript, is returning out of a switch statement considered a better practice than using break?
...ly not a great idea. You also may have to consider your requirements right now versus in the future. If you want to change your function from option one to option two, more refactoring will be needed.
However, given that within if/else statements it is best practice to do the following:
var foo = ...
What are the aspect ratios for all Android phone and tablet devices?
...
Now that the Blackberry Passport is out and runs Android apps, you might want to add 1:1 for its perfectly square 1440x1440 display. If you have smallScreens=false, I would guess that Passport would be ruled out, as anything...
C char array initialization
...har buf[10];
declares and defines the array. The array identifier buf is now an address in memory, and you cannot change where buf points through assignment. So
buf = // anything on RHS
is illegal. Your second and third code fragments are illegal for this reason.
To initialize an array, y...
How do I use regex in a SQLite query?
I'd like to use a regular expression in sqlite, but I don't know how.
17 Answers
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