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SQL Server Insert if not exists
...SSUNTO AND Data = @_DATA To use 1 instead of * would be more efficient
– Reno
Feb 10 '15 at 15:13
1
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How should I read a file line-by-line in Python?
...y, into one action, is surprising to humans who read the code and makes it more difficult to reason about program behavior.
Other languages have essentially come to the same conclusion. Haskell briefly flirted with so-called "lazy IO" which allows you to iterate over a file and have it automatical...
How to count string occurrence in string?
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modern and elegant, but Vitimtk's solution is much more efficient. what do you all think of his code?
– TruMan1
Nov 4 '11 at 2:15
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How can I get a list of Git branches, ordered by most recent commit?
...anch is the one that's been committed to most recently (and is, therefore, more likely to be one I want to pay attention to).
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Checking if an object is null in C#
...ence types; even Nullable<T> overrides the equality operator to be a more convenient way of expressing nullable.HasValue when checking for nullity.
If you do if(!data.Equals(null)) then you will get a NullReferenceException if data == null. Which is kind of comical since avoiding this excepti...
What does “abstract over” mean?
... = as.foldLeft(z)(f)
}
val sumOfOneTwoThree = sumOf(List(1,2,3))
What's more, we can abstract over both the operation and the type of the operands:
trait Monoid[M] {
def zero: M
def add(m1: M, m2: M): M
}
trait Foldable[F[_]] {
def foldl[A, B](as: F[A], z: B, f: (B, A) => B): B
def f...
How to set time zone of a java.util.Date?
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Is SHA-1 secure for password storage?
...-3 round-2 candidates appear to be faster than SHA-1 while being arguably "more secure"; yet they are still a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good.
Note that "as secure as you can get" is not the...
How to fix committing to the wrong Git branch?
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If you get a More? in your Windows command line, use quotes to surround HEAD^ like so: git reset --soft "HEAD^"
– Nate Cook
Apr 29 '13 at 19:48
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