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Function to clear the console in R and RStudio
I am wondering if there is a function to clear the console in R and, in particular, RStudio I am looking for a function that I can type into the console, and not a keyboard shortcut.
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Javascript : natural sort of alphanumerical strings
I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these.
7 Answers
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Android SDK on a 64-bit linux machine
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When I first tried this I got "Error: Protected multilib versions: libstdc++-4.7.2-2.fc17.i686 != libstdc++-4.7.0-5.fc17.x86_64". Fixed with yum upgrade libstdc++
– pinoyyid
Oct 14 '12 at 15:36
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Execute bash script from URL
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$ sudo bash <(curl -s xxx) got error: bash: /dev/fd/63: Bad file descriptor
– Jake
Nov 9 '15 at 6:49
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python location on mac osx
...ed), but an alias file called 'Current', which, when clicked, gives me the error "The operation can't be competed because the original item for 'Current' can't be found."
– Pyderman
Jul 22 '15 at 14:00
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Build an ASCII chart of the most commonly used words in a given text [closed]
Build an ASCII chart of the most commonly used words in a given text.
59 Answers
59
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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...）开始，而不是从系列数据中的最小的数字开始。（特别提示：如果使用AI伴侣进行测试，一定要将版本升级到2.67或2.67U以上，否则会报错）。
如果以后想调整用户界面，也可以在这里找到Height和Width属性。
添加饼状图。如何...
Determine if a function exists in bash
...t it is the option that produces minimal output, and you can still use the errorlevel. You could get the result without a subprocess, eg type -t realpath > /dev/shm/tmpfile ; read < /dev/shm/tmpfile (bad example). However, declare is the best answer since is has 0 disk io.
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Test if a class has an attribute?
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Did +1 and then noticed error. It should be .IsDefined(typeof(Type), false);
– Alexander Beletsky
Apr 5 '12 at 13:13
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Deleting multiple elements from a list
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answered Jan 30 '09 at 22:05
SilentGhostSilentGhost
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