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Capture HTML Canvas as gif/jpg/png/pdf?
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Oh come on. I answered this in 2009. What do you expect?
– donohoe
May 21 '14 at 16:48
37
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Can someone explain the “debounce” function in Javascript
... clearTimeout(timeout);
timeout = setTimeout(later, wait || 200);
if ( callNow ) {
func.apply(context, args);
}
};
};
The explanation
// Create JD Object
// ----------------
/*
It's a good idea to attach helper methods like `debounce` to your ow...
Position absolute and overflow hidden
...:hidden; ">
<br/>
<div style="position:inherit; width: 200px; height:200px; background:yellow;">
<br/>
<div style="position:absolute; width: 500px; height:50px; background:Pink; z-index: 99;">
<br/>
</div>
</di...
std::string to char*
... 1];
strcpy(cstr, str.c_str());
// do stuff
delete [] cstr;
Or in modern C++:
std::vector<char> cstr(str.c_str(), str.c_str() + str.size() + 1);
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SQL SELECT speed int vs varchar
...B=140usec/record C=180usec/record
Indexed by id, select by id: B=about 200us C=about 200us
* inserts to the table already containing 4M records
so it looks like for this setup, as long as your indexes fit in RAM, bigint vs 16-char text makes no difference in speed.
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How does `is_base_of` work?
...going to be my favorite answer ever... a question: have you read the whole C++ standard or are you just working in the C++ committee?? Congratulations!
– Marco A.
Feb 2 '14 at 17:58
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Why do most C developers use define instead of const? [duplicate]
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+1 for correct answer among a sea of wrong ones from C++ coders who don't know C.
– R.. GitHub STOP HELPING ICE
Oct 26 '10 at 13:59
3
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In C# what is the difference between a destructor and a Finalize method in a class?
...icle.
C# really doesn't have a "true" destructor. The syntax resembles a C++ destructor, but it really is a finalizer. You wrote it correctly in the first part of your example:
~ClassName() { }
The above is syntactic sugar for a Finalize function. It ensures that the finalizers in the base ar...
What is external linkage and internal linkage?
...also put classes. The linkage for anonymous namespaces has changed between C++98 and C++11 but the main thing is that they are unreachable from other translation units.
namespace {
int i; // external linkage but unreachable from other translation units.
class invisible_to_others { };
}
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Pythonic way to create a long multi-line string
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200
If you don't want a multiline string but just have a long single line string, you can use pare...