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The command rbenv install is missing
...ithub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
su...
how to solve “ruby installation is missing psych” error?
...installed prior to the steps above:
sudo apt-get install libtool
For macOS users (with homebrew):
rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby
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Not able to type in textfield in iphone simulator using Mac Keyboard?
I'm working on a basic iOS app which supports both portrait and landscape modes. When the iPhone simulator keyboard is open in landscape and I'm switching the app to portrait mode I'm unable to type anything in any text field using my Mac physical keyboard.
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Number of processors/cores in command line
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The most simplest tool comes with glibc and is called getconf:
$ getconf _NPROCESSORS_ONLN
4
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Different font size of strings in the same TextView
...e length of the string. IndexOutOfBoundsException: indicating wrong index position for start and end of span. in the above Hello length is 5 so i applied span from index 0 to 5
– Raghunandan
May 2 '13 at 11:12
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Getting scroll bar width using JavaScript [duplicate]
...be correctly detected. (code updated)
Update #2
This will not work on Mac OS with the default "Only show scrollbars when scrolling" setting (Yosemite and up).
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Git serve: I would like it that simple
...tches:
cd project
git daemon --reuseaddr --base-path=. --export-all --verbose
This tells git-daemon to serve up all projects inside the current directory (which I assume is the project directory containing the .git/ folder). It also tells it to re-use the same address if you shut it down and star...
How to change UIPickerView height
Is it possible to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
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How to specify more spaces for the delimiter using cut?
...ly awk is exactly the tool you should be looking into:
ps axu | grep '[j]boss' | awk '{print $5}'
or you can ditch the grep altogether since awk knows about regular expressions:
ps axu | awk '/[j]boss/ {print $5}'
But if, for some bizarre reason, you really can't use awk, there are other simpl...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
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FloatingActionButton 扩展
FloatingActionButton 是一个免费的悬浮操作按钮扩展，提供了高度可定制的悬浮按钮功能。该扩展支持自定义图标、颜色、大小、圆角半径、位置和文本，是 Material Design 设计规范中的经典组件...