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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...right('XXXXXXXXXXXX'+ rtrim(@str), @n)
where X is your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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How to access data/data folder in Android device?
I am developing an app and I know my database *.db will appear in data/data/com.****.***
18 Answers
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Check if character is number?
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I also came up with this. Why is no one using it, and instead making complicated comparisons? Will this not work in some cases?
– user826955
Oct 9 '17 at 6:43
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What is __main__.py?
...hat is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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How to create a fixed-size array of objects
...st to initialize it empty, then I would put Sprites in the first 16 cells, and the last 16 cells (simulating an chess game).
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Find size of object instance in bytes in c#
...is is done (it retrieves the internal "Basic Instance Size" field via TypeHandle of the type).
object obj = new List<int>(); // whatever you want to get the size of
RuntimeTypeHandle th = obj.GetType().TypeHandle;
int size = *(*(int**)&th + 1);
Console.WriteLine(size);
This works on 3.5...
How to set or change the default Java (JDK) version on OS X?
... @MattO'Brien it’s something which depends on the shell you’re using, and the configuration you have in place, so I can’t give a complete solution for that…
– markhellewell
Nov 14 '14 at 2:25
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How to generate random SHA1 hash to use as ID in node.js?
...o create a HMAC-SHA1 hash?
I'd create a hash of the current timestamp + a random number to ensure hash uniqueness:
var current_date = (new Date()).valueOf().toString();
var random = Math.random().toString();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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Safe String to BigDecimal conversion
... the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
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Easy way to turn JavaScript array into comma-separated list?
...that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if that's the only way.)
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