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Xcode 4 hangs at “Attaching to (app name)”
...n in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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Confused about stdin, stdout and stderr?
...ting it accesses the information from, and stderr is the file into which all the exceptions are entered. On opening these files to check whether these actually do occur, I found nothing seem to suggest so!
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What is the difference between the $parse, $interpolate and $compile services?
...ence between $parse , $interpolate and $compile services?
For me they all do the same thing: take template and compile it to template-function.
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C++ - passing references to std::shared_ptr or boost::shared_ptr
...now that sp->do_something() will not blow up due to a null pointer?
It all depends what is in those '...' sections of the code. What if you call something during the first '...' that has the side-effect (somewhere in another part of the code) of clearing a shared_ptr to that same object? And wha...
Convert UTC to local time in Rails 3
...mes. See them with:
rake time:zones:us
You can also run rake time:zones:all for all time zones.
To see more zone-related rake tasks: rake -D time
So, to convert to EST, catering for DST automatically:
Time.now.in_time_zone("Eastern Time (US & Canada)")
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How to “warm-up” Entity Framework? When does it get “cold”?
... help increase performance. However with EF5 it isn't necessary to compile all your queries since EF will auto-compile queries itself. The only problem is that these queries can get lost when the cache is swept. So you still want to hold references to your own compiled queries for those that are occ...
Creating a segue programmatically
I have a common UIViewController that all my UIViewsControllers extend to reuse some common operations.
13 Answers
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Express next function, what is it really for?
...on it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function?
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Studies on optimal code width?
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Actually, the 80-column thing long precedes DOS. It comes from card punches, which were 80-column devices.
And to kind of answer the OP's question, one "study" has been going on for about 600 years now - the printed book. These ...
Recommended SQL database design for tags or tagging [closed]
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Three tables (one for storing all items, one for all tags, and one for the relation between the two), properly indexed, with foreign keys set running on a proper database, should work well and scale properly.
Table: Item
Columns: ItemID, Title, Content
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