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Xcode 4.2 debug doesn't symbolicate stack call

... your raw first throw call stack (in hex numbers), type into Xcode console info line *hex (don't forget star and 0x hex specifier), for example: (gdb) info line *0x2658 Line 15 of "path/to/file/main.m" starts at address 0x25f2 <main+50> and ends at 0x267e <main+190>. If you are using ...
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How does the new automatic reference counting mechanism work?

... but computers are much more consistent. However, this doesn't completely free you from worrying about memory management on these platforms. I describe the primary issue to watch out for (retain cycles) in my answer here, which may require a little thought on your part to mark weak pointers. Howe...
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How do you get git to always pull from a specific branch?

...t branch --set-upstream master origin/master This will add the following info to your config file: [branch "master"] remote = origin merge = refs/heads/master If you have branch.autosetuprebase = always then it will also add: rebase = true ...
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Find Java classes implementing an interface [duplicate]

...our annotation have an argument of an array of Class. Then in your package-info.java for a particular package put the MyAno. I'll add more details (code) if people are interested but most probably get the idea. MetaInf Service Loader To add to @erickson answer you can also use the service loader ...
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How can I view the shared preferences file using Android Studio?

...to store certain values for my app. I would like to see the file where the info is actually stored on my phone. I found many ways to do this on Eclipse, but I'm debugging on Android Studio. My phone is rooted. I read that having root access is important to read these types of files. If there is no w...
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How to redirect 'print' output to a file using python?

... You can even use the different message levels (critical, error, warning, info, debug) to, for example, only print major issues to the console, but still log minor code actions to a file. A simple example Import logging, get the logger, and set the processing level: import logging logger = loggi...
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C++ valarray vs. vector

...(at least theoretically) lets the compiler improve speed because it's more free to store values in registers. In reality, however, I'm not at all sure that any real implementation takes advantage of this to any significant degree. I suspect it's rather a chicken-and-egg sort of problem -- without co...
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How can the Euclidean distance be calculated with NumPy?

...lding the dist_sq. Our hotdog example then becomes: # Chaining generators info = in_range_with_dist_sq(origin, walking_distance, hotdog_stands) info = (stand, dist_sq**0.5 for stand, dist_sq in info) for stand, dist in info: print("%s %.2fm" % (stand, dist)) ...
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Transferring ownership of an iPhone app on the app store

...ct account will disable current customers from receiving automatic and free updates of your application. All customer reviews, rating and ranking information will also be reset. Additional resources that confirm this, from FutureTap developer Ortwin Gentz, back when he purchased WhereTo? f...
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How to delete or add column in SQLITE?

...leName + "_old;"); } To get the table's column, I used the "PRAGMA table_info": public List<String> getTableColumns(String tableName) { ArrayList<String> columns = new ArrayList<String>(); String cmd = "pragma table_info(" + tableName + ");"; Cursor cur = getDB().raw...