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How can I get rid of an “unused variable” warning in Xcode?
...as an "unused" attribute you can use to suppress that warning:
BOOL saved __attribute__((unused)) = [moc save:&error];
Alternatively (in case LLVM doesn't support the above), you could split the variable declaration into a separate line, guaranteeing that the variable would be "used" whether ...
What are the dark corners of Vim your mom never told you about? [closed]
...ave that file and get a permission error, I just issue that vim command in order to save the file without the need to save it to a temp file and then copy it back again.
You obviously have to be on a system with sudo installed and have sudo rights.
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How to change UIPickerView height
... which the picker becomes visible. Then simply placed the picker behind (Z Order wise) my background UIImageView so that only a part of the picker is visible which is dictated by the transparent window in my background.
shar...
Add list to set?
...al counterpart, but there are some
recipes
Object instances are hashable by default with each instance having a unique hash. You can override this behavior as explained in the python reference.
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How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...id (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn't script objects to different files like the Tasks->Generate Scripts option in SSMS does. I'm currently using a modified version of Scriptio (uses the MS SMO API) to...
Nested fragments disappear during transition animation
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In order to avoid the user seeing the nested fragments disappearing when the parent fragment is removed/replaced in a transaction you could "simulate" those fragments still being present by providing an image of them, as they ap...
Gridview with two columns and auto resized images
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Why do we have to specify FromBody and FromUri?
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How the single threaded non blocking IO model works in Node.js
...e request to the OS as the latter had to yield to a process' dispatcher in order for a single threaded process to handle new events.
The problem with the model I described is that it's not familiar and hard to reason about for the programmer as it's non-sequential in nature. "You need to make reque...
Differences between fork and exec
...lar file on disk. (from 1.1.2 Programs, Processes, and Threads)
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In order to run a program, the kernel is first asked to create a new process, which is an environment in which a program executes. (also from 1.1.2 Programs, Processes, and Threads)
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It’s impossible to understand the ex...