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Get full path without filename from path that includes filename
...xists() and/or Directory.Exists() on your path first to see if you need to call Path.GetDirectoryName
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Does order of where clauses matter in SQL?
Let's say I have a table called PEOPLE having 3 columns ID, LastName, FirstName , none of these columns are indexed.
LastName is more unique, and FirstName is less unique.
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What makes Scala's operator overloading “good”, but C++'s “bad”?
...ot to be repeated in newer languages. Certainly, it was one feature specifically dropped when designing Java.
14 Answers
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What is “git remote add …” and “git push origin master”?
...w, git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which you can push your changes into (so that other people can see them) or pull fro...
What does T&& (double ampersand) mean in C++11?
...ue in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12
The biggest ...
How to get the difference between two arrays of objects in JavaScript
...bjects are equal. Like all functions that return true or false, it can be called a "predicate function", but that's just terminology. The main point is that makeSymmDiffFunc is configured with a function that accepts two objects and returns true if we consider them equal, false if we don't.
Using...
Non-type template parameters
...must have external linkage!
int main() {
s = "can assign values locally";
f<&s>();
g<s>();
cout << s << endl;
return 0;
}
Output:
can assign values locally
can assign values locally
can assign values locally...appended some stri...
How do you create an asynchronous method in C#?
... what if that is not the case. What if were trying to wrap some code that calls BeginInvoke with some callback code?
– Ricibob
Aug 27 '13 at 10:46
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LPCSTR, LPCTSTR and LPTSTR
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@LightnessRacesinOrbit You are technically correct - although in my experience it is common practice to leave out the "pointer to a...." description for brevity when referring to string types in C++
– John Sibly
Jun 4 '15 a...
Bare asterisk in function arguments?
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Bare * is used to force the caller to use named arguments - so you cannot define a function with * as an argument when you have no following keyword arguments.
See this answer or Python 3 documentation for more details.
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