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Python Infinity - Any caveats?
...en any of its operands is inf or -inf, it returns either 0.0 or inf. So it does work correctly when the input is inifinty, but not when the result should be infinity.
– Abel
May 9 '15 at 14:50
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...ree non-recursively in pre-order compared to in-order/post-order, since it does not require to return to previous nodes.
– bluenote10
Oct 2 '15 at 9:36
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How to print a number with commas as thousands separators in JavaScript
...s, 567, etc.). The negative assertion checks that the multiple of 3 digits does not have any digits after it. 789 has a period after it so it is exactly a multiple of 3 digits, so a comma goes there. 678 is a multiple of 3 digits but it has a 9 after it, so those 3 digits are part of a group of 4, a...
Regular expression for floating point numbers
...For a regex engine, \. and [.] mean exactly the same thing. Note that this doesn't work in every case, like newline (\\n), open square bracket (\\[) and backslash (\\\\ or [\\]).
A Note about Matching Numbers
(Hint: It's harder than you think)
Matching a number is one of those things you'd think ...
Advantage of creating a generic repository vs. specific repository for each object?
... InsertOnCommit(user);
}
}
Notice the public API of the repository does not allow users to be deleted. Also, exposing IQueryable is a whole other can of worms - there are as many opinions as belly buttons on that topic.
...
How do I include inline JavaScript in Haml?
...
You can actually do what Chris Chalmers does in his answer, but you must make sure that HAML doesn't parse the JavaScript. This approach is actually useful when you need to use a different type than text/javascript, which is was I needed to do for MathJax.
You ca...
How to access the correct `this` inside a callback?
...This is basically the same as binding it yourself, but the function/method does it for you. Array#map [docs] is such a method. Its signature is:
array.map(callback[, thisArg])
The first argument is the callback and the second argument is the value this should refer to. Here is a contrived example:
...
How to wait for all goroutines to finish without using time.Sleep?
...d in the docs: "A WaitGroup must not be copied after first use. Too bad Go doesn't have a way of enforcing this. Actually, however, go vet does detect this case and warns with "func passes lock by value: sync.WaitGroup contains sync.noCopy".
– Brent Bradburn
S...
Arrays, heap and stack and value types
...register storage is an even lower-level implementation detail, and elision doesn't count.
– P Daddy
Oct 20 '11 at 22:35
3
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SQL Server CTE and recursion example
...employee details will come those who are subordinate of that manager
A2:
Does this code answer your question?
--------------------------------------------
-- Synthesise table with non-recursive CTE
--------------------------------------------
;WITH Employee (ID, Name, MgrID) AS
(
SELECT 1, ...