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What does “xmlns” in XML mean?
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Hmm...good to know it's a namespace. I used to wonder whether specifying a URI made the html page actually access that website to determine a schema.
– Nav
Mar 31 '14 at 12:15
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Is volatile expensive?
...e of this and actually share the cached reference to the requesting CPU - now the request CPU has a copy of that memory in its CPU cache. (It never had to look in main memory for the reference)
There is quite a bit more of protocol involved but this gives an idea of what is going on. Also to answ...
Python division
...2.7 and Python 3.3.
In Python 2.7 and Python 3.3:
>>>20//15
1
Now, see the comparison
>>>a = 7.0/4.0
>>>b = 7/4
>>>print a == b
For the above program, the output will be False in Python 2.7 and True in Python 3.3.
In Python 2.7 a = 1.75 and b = 1.
In Pyth...
What are the best PHP input sanitizing functions?
...pes. Everything submitted is initially treated like a string, so forcing known-numeric data into being an integer or float makes sanitization fast and painless.
What about free-form text fields and textareas? You need to make sure that there's nothing unexpected in those fields. Mainly, you need ...
Fastest way to serialize and deserialize .NET objects
... G'day Marc, love the protocol-buffers work you've done and I know this post is almost 5yrs old but the netserializer quoted in an answer here (Binoj) has metrics indicating your implementation isn't the fastest. Is that a fair statement/advertisement or is there a trade off? thanks
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How do I copy items from list to list without foreach?
...<Student> lstStudent = db.Students.Where(s => s.DOB < DateTime.Now).ToList().CopyList();
Method:
public static List<T> CopyList<T>(this List<T> lst)
{
List<T> lstCopy = new List<T>();
foreach (var item in lst)
{
us...
How to design a multi-user ajax web application to be concurrently safe
...(latancy of javascript client and commit process factors in) by comparing known clientside artifact-version-id and current serverside artifact-version-id.
A javascript conflict-solver allowing for a human which-change-is-the-right decision. You may not want to just tell the user "Someone was faster ...
Find full path of the Python interpreter?
... running Python interpreter.
import sys
print(sys.executable)
which is now documented here
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How to trigger event in JavaScript?
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This answer is more actual now. One thing to add: if there should be a know-typed event (like TransitionEvent, ClipboardEvent, etc) the appropriate constructor could be called.
– Kiril
Jul 1 '14 at 13:04
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Get class name using jQuery
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But what if you don't know the classname? ;-)
– Potherca
Jun 11 '11 at 20:41
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