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How to overcome root domain CNAME restrictions?
... RFC states domain names without subdomain in front of them are not valid. If you read the RFC carefully, however, you'll find that this is not exactly what it says. In fact, RFC 1912 states:
Don't go overboard with CNAMEs. Use them when renaming hosts, but plan to get rid of them (and inform yo...
UITableView backgroundColor always gray on iPad
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I don't know if there are side effects but it works! Thanks! self.tableView.backgroundView = nil;
– rjobidon
Apr 22 '10 at 4:19
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I want to exception handle 'list index out of range.'
I am using BeautifulSoup and parsing some HTMLs.
6 Answers
6
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instanceof Vs getClass( )
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The reason that the performance of instanceof and getClass() == ... is different is that they are doing different things.
instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype.
getClass() == ... tests wh...
Get original URL referer with PHP?
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Store it either in a cookie (if it's acceptable for your situation), or in a session variable.
session_start();
if ( !isset( $_SESSION["origURL"] ) )
$_SESSION["origURL"] = $_SERVER["HTTP_REFERER"];
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MIT vs GPL license [closed]
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It seems to me that the chief difference between the MIT license and GPL is that the MIT doesn't require modifications be open sourced whereas the GPL does.
True - in general. You don't have to open-source your changes if you're using GPL. You could modi...
The point of test %eax %eax [duplicate]
...P subtracts the operands and sets the flags. Namely, it sets the zero flag if the difference is zero (operands are equal).
TEST sets the zero flag, ZF, when the result of the AND operation is zero. If two operands are equal, their bitwise AND is zero when both are zero. TEST also sets the sign flag...
Why use the yield keyword, when I could just use an ordinary IEnumerable?
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Don't forget that if the yield return statement never executes, you still get an empty collection result so there's no need to worry about a null reference exception. yield return is awesome with chocolate sprinkles.
– Ra...
Django. Override save for model
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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C++ template constructor
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There is no way to explicitly specify the template arguments when calling a constructor template, so they have to be deduced through argument deduction. This is because if you say:
Foo<int> f = Foo<int>();
The <int> is the template argum...