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How to get min/max of two integers in Postgres/SQL?
... GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0);
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Escape regex special characters in a Python string
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edited Jun 20 at 9:12
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answered Nov 17 '10 at 8:13
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Using Jasmine to spy on a function without an object
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155
If you are defining your function:
function test() {};
Then, this is equivalent to:
window...
powershell 2.0 try catch how to access the exception
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1 Answer
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jquery, find next element by class
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149
In this case you need to go up to the <tr> then use .next(), like this:
$(obj).closest(...
How do I clear this setInterval inside a function?
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answered May 24 '10 at 23:50
GuffaGuffa
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Order data frame rows according to vector with specific order
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Try match:
df <- data.frame(name=letters[1:4], value=c(rep(TRUE, 2), rep(FALSE, 2)))
target <- c("b", "c", "a", "d")
df[match(target, df$name),]
name value
2 b TRUE
3 c FALSE
1 a TRUE
4 d FALSE
It will work as long as your target contains exact...
detach all packages while working in R
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Difference between float and double in php?
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155
There is no difference in PHP. float, double or real are the same datatype.
At the C level, e...
Is it possible to read from a InputStream with a timeout?
..., so no timeout required)
Just use this:
byte[] inputData = new byte[1024];
int result = is.read(inputData, 0, is.available());
// result will indicate number of bytes read; -1 for EOF with no data read.
OR equivalently,
BufferedReader br = new BufferedReader(new InputStreamRe...