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How does an underscore in front of a variable in a cocoa objective-c class work?
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@LearnCocos2D Hi! A newbie to iOS here and there's something I need to clarify. For all this time what I did was declare the property in the .h file and in the .m fie I access it using self like so, self.someProperty. Is this the right way? Or should I be using th...
Necessary to add link tag for favicon.ico?
...l="icon" href="/favicon.ico?v=1.1">
Favicons are very heavily cached and this a great way to ensure a refresh.
Footnote about default location:
As far as the first bit of the question: all modern browsers would detect a favicon at the default location, so that's not a reason to use a link f...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
... order to have a full solution for the record. But have to thank Ben James and Kailash Badu which provided the clues for this.
Short Answer
As mentioned by Ben James: NO.
The full SQL query does not exist on the PHP side, because the query-with-tokens and the parameters are sent separately to the ...
Swift and mutating struct
There is something that I don't entirely understand when it comes to mutating value types in Swift.
7 Answers
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Is there a way to word-wrap long words in a div?
...rd-wrap: break-word; /* IE */
}
I've used this class for a bit now, and works like a charm. (note: I've only tested in FireFox and IE)
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How to convert a private key to an RSA private key?
Let me explain my question first. I bought a certificate from a CA and used the following format to generate the csr and the private key:
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How do I get a substring of a string in Python?
...'d!'
>>> x[2:-2]
'llo Worl'
Python calls this concept "slicing" and it works on more than just strings. Take a look here for a comprehensive introduction.
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Displaying better error message than “No JSON object could be decoded”
...one.com (Python 3.7.3) shows that the stdlib json library has been updated and gives the new error message format. I don’t have time to track exact releases right now however.
– Martijn Pieters♦
Mar 14 at 0:29
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Exception thrown in catch and finally clause
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Based on reading your answer and seeing how you likely came up with it, I believe you think an "exception-in-progress" has "precedence". Keep in mind:
When an new exception is thrown in a catch block or finally block that will propagate out of that blo...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
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On the one hand, throwing exceptions is inherently expensive, because the stack has to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way t...