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Appending the same string to a list of strings in Python
...ally need a list, but just need an iterator, a generator expression can be more efficient (although it does not likely matter on short lists):
(s + mystring for s in mylist)
These are very powerful, flexible, and concise. Every good python programmer should learn to wield them.
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Commenting multiple lines in DOS batch file
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How do I find a stored procedure containing ?
...ourage blind/copy paste by less experienced engineers, and frustration for more senior engineers working with a new RDBMS such as SQL Server.
– DavidScherer
Oct 19 '18 at 17:28
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How to remove the hash from window.location (URL) with JavaScript without page refresh?
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Flags to enable thorough and verbose g++ warnings
...t. I suspect
that code that triggers this warning could benefit from being more
modular, regardless, so although the code is not technically wrong
(probably), stylistically it likely is.
-Wfloat-equal warns for safe equality comparisons (in particular,
comparison with a non-computed value of -1). An...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
...It seems to be the most important thing to know on this page, and it needs more visibility.
– Timo
Aug 25 '16 at 15:45
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Check if null Boolean is true results in exception
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@JoshM. Can't agree more :)
– Vinicius
Jul 2 '19 at 20:44
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Remove folder and its contents from git/GitHub's history
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Can't operator == be applied to generic types in C#?
...iler can't make that assumption.
However, this will compile because it is more explicit:
bool Compare<T>(T x, T y) where T : class
{
return x == y;
}
Follow up to additional question, "But, in case I'm using a reference type, would the the == operator use the predefined...
How do I iterate over an NSArray?
...y Apple code) retains the collection it's enumerating as long as there are more objects, so you don't have to worry about how long an autoreleased object will exist.
Perhaps the biggest thing an NSEnumerator (or fast enumeration) protects you from is having a mutable collection (array or otherwise)...