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What's the dSYM and how to use it? (iOS SDK)

...es. I guess this is a debugging related file, but I don't know what it is, and how to use it. 2 Answers ...
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Do I set properties to nil in dealloc when using ARC?

...ment dealloc. However, if you have any non-object ivars that need special handling (e.g. allocated buffers that you need to free()) you still have to deal with those in dealloc. Furthermore, if you've set yourself as the delegate of any objects, you should un-set that relationship in dealloc (this ...
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How do I temporarily disable triggers in PostgreSQL?

I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis. ...
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What do these words mean in Git: Repository, fork, branch, clone, track?

...oject (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes. Within a repository you have branches, which are e...
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Should I use static_cast or reinterpret_cast when casting a void* to whatever

Both static_cast and reinterpret_cast seem to work fine for casting void* to another pointer type. Is there a good reason to favor one over the other? ...
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Ignoring an already checked-in directory's contents?

I have a git repository that's used only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories. ...
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Automatically add newline at end of curl response body

...ly annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters. ...
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LINQ to SQL - Left Outer Join with multiple join conditions

...ull || c.Displaythrudate > date) // Content is NOT draft, and IS published && c.Isdraft == "N" && c.Publishedon != null orderby c.Sortorder ascending, c.Heading ascending select c; // Get the content specific to ...
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Rails migration: t.references with alternative name?

... This works on Rails 5.1 and none of the other suggestions do. It's much cleaner, and feels right. – stephenmurdoch May 6 '17 at 2:03 ...
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Typescript: difference between String and string

Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to be the same? ...