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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
... abstract the low-level representation and make it easier to comprehend ( uint64_t instead of long long type, which is 8 bytes).
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PHP: merge two arrays while keeping keys instead of reindexing?
...ow can I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers).
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How do you perform a left outer join using linq extension methods
... @AbdulkarimKanaan yes - SelectMany flattens two layers of 1-many into 1 layer with an entry per pair
– Marc Gravell♦
Jan 5 '18 at 14:29
1
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Incrementing in C++ - When to use x++ or ++x?
...ack to x, it is only guaranteed that it happens before the next sequence point. 'after processing the current statement' is not strictly accurate as some expressions have sequence points and some statements are compound statements.
– CB Bailey
Nov 28 '09 at 17:...
IN clause and placeholders
...the form "?, ?, ..., ?" can be a dynamically created string and safely put into the original SQL query (because it is a restricted form that does not contain external data) and then the placeholders can be used as normal.
Consider a function String makePlaceholders(int len) which returns len questi...
How do you parse and process HTML/XML in PHP?
...he SimpleXML extension provides a very simple and easily usable toolset to convert XML to an object that can be processed with normal property selectors and array iterators.
SimpleXML is an option when you know the HTML is valid XHTML. If you need to parse broken HTML, don't even consider SimpleX...
Does it make any sense to use inline keyword with templates?
...compilers know better when to inline a function and are ignoring inline hint.
3 Answers
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What is Func, how and when is it used
...
No, I'm correct. static int OneArgFunc(this string i) { return 42; } Func<int> f = "foo".OneArgFunc;. =)
– Ark-kun
Jan 9 '14 at 9:21
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What Makes a Method Thread-safe? What are the rules?
...eadSafeMethod concurrently without issue.
public class Thing
{
public int ThreadSafeMethod(string parameter1)
{
int number; // each thread will have its own variable for number.
number = parameter1.Length;
return number;
}
}
This is also true if the method call...
How can I put a ListView into a ScrollView without it collapsing?
...problem, and the only answer I can find seems to be " don't put a ListView into a ScrollView ". I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do, so I did.
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