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Retrieve the maximum length of a VARCHAR column in SQL Server
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Use the built-in functions for length and max on the description column:
SELECT MAX(LEN(DESC)) FROM table_name;
Note that if your table is very large, there can be performance issues.
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Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...g tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
I just tested this on a real Git repository, by finding commits with duplicate prefixes like this:
git rev-list master | cut -c-4 | sort | uniq -c | sort -nr | head
Thi...
Test if a property is available on a dynamic variable
...trying to access it, unless you re-implemented the way dynamic binding is handled in the C# compiler. Which would probably include a lot of guessing, because it is implementation-defined, according to the C# specification.
So you should actually try to access the member and catch an exception, if i...
How does generic lambda work in C++14?
...w does generic lambda work ( auto keyword as an argument type) in C++14 standard?
3 Answers
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How to compare strings ignoring the case
I want apple and Apple comparison to be true .
Currently
5 Answers
5
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if arguments is equal to this string, define a variable like this string
I am doing some bash script and now I got one variable call source and one array called samples , like this:
3 Answers
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Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
I'm facing a very common problem:
I layed out an activity and now it turns out it should display a few items within this ScrollView . The normal way to do that would be to use the existing ListAdapter , connect it to a ListView and BOOM I'd have my list of items.
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Multiplication on command line terminal
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For more advanced and precise math consider using bc(1).
echo "3 * 2.19" | bc -l
6.57
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Swift: Convert enum value to String?
... example above, CompassPoint.south has an implicit raw value of
"south", and so on.
You access the raw value of an enumeration case with its rawValue
property:
let sunsetDirection = CompassPoint.west.rawValue
// sunsetDirection is "west"
Source.
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SQL update from one Table to another based on a ID match
I have a database with account numbers and card numbers . I match these to a file to update any card numbers to the account number, so that I am only working with account numbers.
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