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Using “like” wildcard in prepared statement
... "SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "%" + notes + "%");
share
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Truncate a list to a given number of elements
What method truncates a list--for example to the first 100 elements--discarding the others (without iterating through individual elements)?
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Get Unix Epoch Time in Swift
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162
You can simply use NSDate's timeIntervalSince1970 function.
let timeInterval = NSDate().time...
Test parameterization in xUnit.net similar to NUnit
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140
xUnit offers a way to run parameterized tests through something called data theories. The conc...
how do you filter pandas dataframes by multiple columns
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176
Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]...
How do I convert from int to String?
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961
Normal ways would be Integer.toString(i) or String.valueOf(i).
The concatenation will work, but...
Evaluate expression given as a string
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431
The eval() function evaluates an expression, but "5+5" is a string, not an expression. Use parse...
List distinct values in a vector in R
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169
Do you mean unique:
R> x = c(1,1,2,3,4,4,4)
R> x
[1] 1 1 2 3 4 4 4
R> unique(x)
[1] ...
Getting one value from a tuple
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edited Feb 2 at 12:20
Georgy
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