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Load Testing with AB … fake failed requests (length)
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edited Jan 28 '13 at 20:24
Jeff Atwood
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Rails: Logging the entire stack trace of an exception
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answered Aug 15 '10 at 7:05
darkliquiddarkliquid
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Create unique constraint with null columns
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edited Feb 21 '19 at 3:06
answered Nov 27 '11 at 21:34
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How to create a unique index on a NULL column?
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answered Oct 10 '08 at 14:17
willasaywhatwillasaywhat
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What is the difference between print and puts?
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381
puts adds a new line to the end of each argument if there is not one already.
print does not a...
LINQ to read XML
... XDocument xdoc = XDocument.Load("data.xml");
//Run query
var lv1s = from lv1 in xdoc.Descendants("level1")
select new {
Header = lv1.Attribute("name").Value,
Children = lv1.Descendants("level2")
};
//Loop through r...
Is there a way to iterate over a dictionary?
...e alternate method (which you have to use if you're targeting Mac OS X pre-10.5, but you can still use on 10.5 and iPhone) is to use an NSEnumerator:
NSEnumerator *enumerator = [myDict keyEnumerator];
id key;
// extra parens to suppress warning about using = instead of ==
while((key = [enumerator n...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
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110
As noted in this blog post and alluded to in the GCC Configure Terms, --target only applies wh...
How to run multiple DOS commands in parallel?
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174
You can execute commands in parallel with start like this:
start "" ping myserver
start "" ns...
How to get std::vector pointer to the raw data?
...ss of the element pointed to by the iterator returned by begin()).
In C++11, a new member function was added to std::vector: data(). This member function returns the address of the initial element in the container, just like &something.front(). The advantage of this member function is that ...