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“FOUNDATION_EXPORT” vs “extern”
I would like to ask what's the reason behind using FOUNDATION_EXPORT instead of extern in Objective C projects.
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How to check if variable's type matches Type stored in a variable
...all contain significant omissions.
The is operator does not check if the runtime type of the operand is exactly the given type; rather, it checks to see if the runtime type is compatible with the given type:
class Animal {}
class Tiger : Animal {}
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object x = new Tiger();
bool b1 = x is Tiger; ...
See what has been installed via MacPorts
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Use port installed to list all of your ports.
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Remove multiple attributes with jQuery's removeAttr
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Yes :
.removeAttr('height align style')
From the documentation :
as of version 1.7, it can be a space-separated list of attributes.
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Select Row number in postgres
How to select row number in postgres.
1 Answer
1
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What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
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Using Rails serialize to save hash to database
I'm try to save a hash mapping ids to a number of attempts in my rails app. My migration to the database to accommodate this new column:
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jQuery - If element has class do this
I need an jQuery script that will see if any element has an specific class and do an action like change position.
1 Answer
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Remove non-ascii character in string
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@AlexanderMills Search for an ascii table - you can see that only characters that has value from zero to 127 are valid. (0x7F is 127 in hex). This code matches all characters that are not in the ascii range and removes them.
– Zaffy
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How to change a PG column to NULLABLE TRUE?
How can I accomplish this using Postgres? I've tried the code below but it doesn't work:
1 Answer
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