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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?

I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled. ...
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Xcode 4 and Core Data: How to enable SQL Debugging

I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4. ...
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How do I execute a stored procedure once for each row returned by query?

...stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...
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Why does Chrome incorrectly determine page is in a different language and offer to translate?

...we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome think...
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Android: upgrading DB version and adding new table

... 1. About onCreate() and onUpgrade() onCreate(..) is called whenever the app is freshly installed. onUpgrade is called whenever the app is upgraded and launched and the database version is not the same. 2. Incrementing the db version You ne...
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How to tell which commit a tag points to in Git?

I have a bunch of unannotated tags in the repository and I want to work out which commit they point to. Is there a command that that will just list the tags and their commit SHAs? Checking out the tag and looking at the HEAD seems a bit too laborious to me. ...
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Better explanation of when to use Imports/Depends

... "Imports" is safer than "Depends" (and also makes a package using it a 'better citizen' with respect to other packages that do use "Depends"). A "Depends" directive attempts to ensure that a function from another package is available by attaching the other pa...
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How do you use “

I just finished reading about scoping in the R intro , and am very curious about the <<- assignment. 6 Answers ...
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Getting number of elements in an iterator in Python

...s are in an iterator in Python, in general, without iterating through each and counting? 16 Answers ...
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What is “thread local storage” in Python, and why do I need it?

...on-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anything can refer to them. ...