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Git: fatal: Pathspec is in submodule

...worked for me: git rm --cached directory git add directory This works if you purposefully removed the .git directory because you wanted to add directory to your main git project. In my specific case, I had git cloned an extension and ran git add . without thinking too much. Git decided to creat...
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How do I convert a String object into a Hash object?

...ver, this requires the same to be true of all of the objects in the hash. If I start with the hash {:a => Object.new}, then its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid ...
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How do I change the color of the text in a UIPickerView under iOS 7?

... using the view it passes in reusingView: how do I change it to use a different text color? If I use view.backgroundColor = [UIColor whiteColor]; none of the views show up anymore. ...
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Is it better in C++ to pass by value or pass by constant reference?

...ecially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the object had to be made and, except for very small objects, this is always more expensive than passing a reference. With C++11, we have gained move semantics. In a nutshell, move semantics...
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See changes to a specific file using git

I know that I can use the git diff command to check the changes, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory. ...
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Commands executed from vim are not recognizing bash command aliases

... it loads ~/.zshenv for all shells, so I moved my alias setup there and it now works from within Vim. See man zsh (or your shell's man pages) for more. – Nathan Long Feb 8 '14 at 22:52 ...
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remove objects from array by object property

...i < arrayOfObjects.length; i++) { var obj = arrayOfObjects[i]; if (listToDelete.indexOf(obj.id) !== -1) { arrayOfObjects.splice(i, 1); } } All you need to do to fix the bug is decrement i for the next time around, then (and looping backwards is also an option): for (var i ...
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Static link of shared library function in gcc

... Yeah, I know this is an 8 year-old question, but I was told that it was possible to statically link against a shared-object library and this was literally the top hit when I searched for more information about it. To actually demonst...
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how to mysqldump remote db from local machine

...robably connects by socket rather then by port) edit: well, to elaborate: if host is set to localhost, a configured (or default) --socket option is assumed. See the manual for which option files are sought / used. Under Windows, this can be a named pipe. ...
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Why doesn't Haskell's Prelude.read return a Maybe?

... This function (called readMaybe) is now in the Haskell prelude! (As of the current base -- 4.6) share | improve this answer | follow ...