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How to call erase with a reverse iterator
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After some more research and testing I found the solution. Apparently according to the standard [24.4.1/1] the relationship between i.base() and i is:
&*(reverse_iterator(i)) == &*(i - 1)
(from a Dr. Dobbs article):
So you need to apply...
How do you use the ellipsis slicing syntax in Python?
...it depends entirely on you, or someone else, having written code to understand it.
Numpy uses it, as stated in the documentation. Some examples here.
In your own class, you'd use it like this:
>>> class TestEllipsis(object):
... def __getitem__(self, item):
... if item is Ell...
What is the difference between the mouseover and mouseenter events?
...ry doc page. It's a nice little, interactive demo that makes it very clear and you can actually see for yourself.
var i = 0;
$("div.overout")
.mouseover(function() {
i += 1;
$(this).find("span").text("mouse over x " + i);
})
.mouseout(function() {
$(this).find("span").t...
Surrogate vs. natural/business keys [closed]
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Both. Have your cake and eat it.
Remember there is nothing special about a primary key, except that it is labelled as such. It is nothing more than a NOT NULL UNIQUE constraint, and a table can have more than one.
If you use a surrogate key, y...
Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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Pointer to class data member “::*”
...nest, I've never had to use them in my own code.
Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) tr...
difference between use and require
Can anyone explain the difference between use and require , both when used directly and as :use and :require in the ns macro?
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How do I find the stack trace in Visual Studio?
... would be nice for it to show the callers of the objects that throws an unhandled exception. Is there a hidden option to make it useful? Perhaps you can expand on your answer to provide examples.
– James
Jan 16 '15 at 16:43
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Are nested span tags OK in XHTML?
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I know was just trying to create lol...and yes you "can" put block elements inside spans its not like the browser will explode or anything ...but its some you shouldn't do as a rule of thumb to follow proper web standards thats all.
– greater...
Working with huge files in VIM
...e vim LargeFile plugin did not work for me. It still used up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still ne...