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Is it necessary to write HEAD, BODY and HTML tags?
...ions of HTML didn't define those elements. When HTML 2.0 first did, it was done in a way that the tags would be inferred when missing.
I often find it convenient to omit the tags when prototyping and especially when writing test cases as it helps keep the mark-up focused on the test in question. Th...
How to split strings across multiple lines in CMake?
...ds of editors (you know the deal). But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code:
...
What does “yield break;” do in C#?
I have seen this syntax in MSDN: yield break , but I don't know what it does. Does anyone know?
10 Answers
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How do I find the duplicates in a list and create another list with them?
...= set()
uniq = [x for x in a if x not in seen and not seen.add(x)]
I don't recommend the latter style, because it is not obvious what not seen.add(x) is doing (the set add() method always returns None, hence the need for not).
To compute the list of duplicated elements without libraries:
se...
Programmatically Determine a Duration of a Locked Workstation?
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Tested 100% on Windows 7 x64 and Windows 10 x64.
– Contango
Jan 5 '17 at 17:15
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How do you read CSS rule values with JavaScript?
...rule, like the format you'd see in an inline style. I'd like to be able to do this without knowing what is contained in a particular rule, so I can't just pull them out by style name (like .style.width etc.)
...
Ruby optional parameters
...his will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE.
What you can do is set the default value within your method:
def ldap_get(base_dn, filter, scope = nil, attrs = nil)
scope ||= LDAP::LDAP_SCOPE_SUBTREE
... do something ...
end
Now if you call the method as above, the behaviour wil...
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...ys check the XACT_STATE() and handle appropriate aborted and uncommitable (doomed) transactions. If your caller starts a transaction and the calee hits, say, a deadlock (which aborted the transaction), how is the callee going to communicate to the caller that the transaction was aborted and it shoul...
How do I match any character across multiple lines in a regular expression?
...attern. In PHP it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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@NicNilov no dw I did think that though I just wanted to double check :)
– Mark
Dec 28 '17 at 20:04
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