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Show percent % instead of counts in charts of categorical variables

...for 'ggplot count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer. Remark: If hp is not set as a factor, ggplot returns: share | ...
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How do you set, clear, and toggle a single bit?

... behaviour to shift by more than the width of a long. The same applies to all the rest of the examples. Clearing a bit Use the bitwise AND operator (&) to clear a bit. number &= ~(1UL << n); That will clear the nth bit of number. You must invert the bit string with the bitwise NOT op...
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro

... is what happens, $compile walks through the whole template and collects all the directives that it recognizes. All the directives that are discovered are compiled recursively and their link functions are collected. Then, all the link functions are wrapped in a new link function and returned as l....
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How do I set the version information for an existing .exe, .dll?

As part of our build process I need to set the version information for all of our compiled binaries. Some of the binaries already have version information (added at compile time) and some do not. ...
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Print function log /stack trace for entire program using firebug

Firebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or som...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...sender这边收到了3个Duplicated Acks,进入Fast Retransimit模式,开发重传重复Acks指示的那个包。如果只有这一个包丢了,那么,重传这个包后回来的Ack会把整个已经被sender传输出去的数据ack回来。如果没有的话,说明有多个包丢了。我...
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How are virtual functions and vtable implemented?

We all know what virtual functions are in C++, but how are they implemented at a deep level? 12 Answers ...
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Why rgb and not cmy? [closed]

...mary colors are cyan, magenta and yellow (CMY), why do monitors and almost all the GUI components out there use red, green and blue (RGB)? (If I'm not mistaken, printers use the CMYK model.) ...
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Set folder browser dialog start location

...nge some of the locations, and the locations are localized." Re: Desktop vs DesktopDirectory Desktop "The logical Desktop rather than the physical file system location." DesktopDirectory: "The directory used to physically store file objects on the desktop. Do not confuse this direct...
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Convert a Unicode string to a string in Python (containing extra symbols)

... This breaks if the content of the string is actually unicode, not just ascii characters in a unicode string. Don't do this, you'll get random UnicodeEncodeError exceptions all over the place. – Doug Oct 9 '13 at 7:31 ...