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Select values from XML field in SQL Server 2008
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You must use .nodes() and cross apply if xmlField contains more than one <person> elements.
– Remus Rusanu
May 22 '09 at 18:45
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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Git diff against a stash
...h show -p stash@{1}
From the git stash manpages:
By default, the command shows the diffstat, but it will accept any
format known to git diff (e.g., git stash show -p stash@{1} to view
the second most recent stash in patch form).
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Switch on ranges of integers in JavaScript [duplicate]
... than five");
break;
case (x < 9):
alert("between 5 and 8");
break;
case (x < 12):
alert("between 9 and 11");
break;
default:
alert("none");
break;
}
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jQuery .live() vs .on() method for adding a click event after loading dynamic html
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If you want the click handler to work for an element that gets loaded dynamically, then you set the event handler on a parent object (that does not get loaded dynamically) and give it a selector that matches your dynamic object like this:
$('#pare...
python date of the previous month
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datetime and the datetime.timedelta classes are your friend.
find today.
use that to find the first day of this month.
use timedelta to backup a single day, to the last day of the previous month.
print the YYYYMM string you're looki...
Understanding typedefs for function pointers in C
... took me a while to get around to such a definition while trying to understand a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers to functions (Do's and Do not's), as to why are they useful and how to understand other...
Restricting input to textbox: allowing only numbers and decimal point
How can I restrict input to a text-box so that it accepts only numbers and the decimal point?
32 Answers
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What does the brk() system call do?
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In the diagram you posted, the "break"—the address manipulated by brk and sbrk—is the dotted line at the top of the heap.
The documentation you've read describes this as the end of the "data segment" because in traditional (pre-shared-libraries, pre-mmap) Unix the data segment was continuo...