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How to compare times in Python?
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132
You can't compare a specific point in time (such as "right now") against an unfixed, recurring ...
Update a column value, replacing part of a string
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answered Apr 16 '12 at 15:39
Dmytro ShevchenkoDmytro Shevchenko
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How to cherry pick from 1 branch to another
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edited Dec 13 '19 at 16:38
Paolo
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a...
What is purpose of the property “private” in package.json?
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answered Sep 6 '11 at 4:31
aceace
6,15533 gold badges2020 silver badges2727 bronze badges
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Iterate through pairs of items in a Python list [duplicate]
...ls import tee
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = tee(iterable)
next(b, None)
return zip(a, b)
for v, w in pairwise(a):
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Oracle Differences between NVL and Coalesce
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316
COALESCE is more modern function that is a part of ANSI-92 standard.
NVL is Oracle specific, ...
How to get the insert ID in JDBC?
... statement.setString(2, user.getPassword());
statement.setString(3, user.getEmail());
// ...
int affectedRows = statement.executeUpdate();
if (affectedRows == 0) {
throw new SQLException("Creating user failed, no rows affected.");
}
tr...
Hidden features of Ruby
...product| product.modulo(factor).zero?}
end
case number
when multiple_of(3)
puts "Multiple of 3"
when multiple_of(7)
puts "Multiple of 7"
end
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edited Dec 8 '...
How do you delete a column by name in data.table?
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Any of the following will remove column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A saf...
What platforms have something other than 8-bit char?
...turned up for example in OMAP2. There are other DSPs out there with 16 and 32 bit char. I think I even heard about a 24-bit DSP, but I can't remember what, so maybe I imagined it.
Another consideration is that POSIX mandates CHAR_BIT == 8. So if you're using POSIX you can assume it. If someone late...