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In c++ what does a tilde “~” before a function name signify?
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Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class object when that object passes out of scope or is explicitly deleted.
See https://www...
Proper way to add svn:executable
...svn:executable <list of files>
The SVN documentation for this is located here.
As far as not modifying the executables, you are not modifying the executable (a checksum will verify that), but you are modifying the SVN repository. Remember that SVN revisions file systems, not just files; so...
Calculate total seconds in PHP DateInterval
What is the best way to calculate the total number of seconds between two dates? So far, I've tried something along the lines of:
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Mercurial (hg) commit only certain files
I'm trying to commit only certain files with Mercurial.
Because of of hg having auto-add whenever I try to commit a change it wants to commit all files. But I don't want that because certain files are not "ready" yet.
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LINQ Using Max() to select a single row
... table is an IEnumerable<T> that is not present in memory or that is calculated on the fly.
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MySQL Select Date Equal to Today
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While this solution is absolutely correct, it does not scale well (cannot use an index on signup_date, even if such an index exists). Prefer Serjio's solution.
– RandomSeed
Oct 21 '15 at 8:01
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new DateTime() vs default(DateTime)
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No, they are identical.
default(), for any value type (DateTime is a value type) will always call the parameterless constructor.
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jQuery duplicate DIV into another DIV
... with one of the insertion methods, .clone() is a convenient way to
duplicate elements on a page.
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
...d repeat this 5 times, collecting actual/predicted values each time. After calculating the residuals, my data.frame looks like this:
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Using C++ library in C code
... foo(char *bar)
{
return realFoo(std::string(bar));
}
Then, you will call foo() from your C module, which will pass the call on to the realFoo() function which is implemented in C++.
If you need to expose a full C++ class with data members and methods, then you may need to do more work than t...