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Why are unnamed namespaces used and what are their benefits?
I just joined a new C++ software project and I'm trying to understand the design. The project makes frequent use of unnamed namespaces. For example, something like this may occur in a class definition file:
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What does iterator->second mean?
...const X, Y>s. That's exactly what a map is - it pairs together the keys and the associated values.
When you iterate over a std::map, you're iterating over all of these std::pairs. When you dereference one of these iterators, you get a std::pair containing the key and its associated value.
std::...
What does default(object); do in C#?
... worth making it explicit)
The biggest use of default(T) is in generics, and things like the Try... pattern:
bool TryGetValue(out T value) {
if(NoDataIsAvailable) {
value = default(T); // because I have to set it to *something*
return false;
}
value = GetData();
re...
Using OR in SQLAlchemy
I've looked through the docs and I cant seem to find out how to do an OR query in SQLAlchemy. I just want to do this query.
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How does Spring Data JPA differ from Hibernate for large projects?
...should stick with Hibernate for a new project, or get my feet wet with JPA and the new Spring Data implementation.
3 Answer...
Using str_replace so that it only acts on the first match?
... Another downside is you have to use preg_quote() on the "needle" and escape meta-characters $ and \ in the replacement.
– Josh Davis
Aug 10 '09 at 2:53
32
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How to remove Firefox's dotted outline on BUTTONS as well as links?
... answered Oct 2 '10 at 5:01
Anderson CustódioAnderson Custódio
3,15911 gold badge1111 silver badges22 bronze badges
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sql ORDER BY multiple values in specific order?
Ok I have a table with a indexed key and a non indexed field.
I need to find all records with a certain value and return the row.
I would like to know if I can order by multiple values.
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...ric.
Why different design solutions were chosen?
What are the advantages and disadvantages of using generic over attributes in this case?
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git switch branch without discarding local changes
Alright, lets say one day we make happen to make a bunch of modifications and when we go to commit them we notice we were working on the wrong branch.
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