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Annotating text on individual facet in ggplot2

...t;% gather("Vars","Data_1"), Data2 %>% gather("Vars","Data_2") ) %>% select(-Vars1) -> Data_combined Data_combined %>% group_by(Vars) %>% summarise(r=cor(Data_1,Data_2), r2=r^2, p=(pt(abs(r),nrow(.)-2)-pt(-abs(r),nrow(.)-2))) %>% mutate(rlabel=paste(...
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What is the difference between mutex and critical section?

... The 'fast' Windows equal of critical selection in Linux would be a futex, which stands for fast user space mutex. The difference between a futex and a mutex is that with a futex, the kernel only becomes involved when arbitration is required, so you save the over...
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Recommendations of Python REST (web services) framework? [closed]

...e service's logic is implemented only once, and the correct representation selection (Accept header) + dispatch to the proper render function (or template) is done in a tidy, transparent way. $ curl localhost:8080/x <html><body>Hello, x!</body></html> $ curl -H "Accept: app...
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JavaScript :How to set a Conditional Break Point in Chrome debugger tools

... Yes, it is possible. Right click the marker of the breakpoint and select "Edit breakpoint..." there you can set the condition. From Chrome Developer Tools on Breakpoints at developers.google.com (Emphasis mine): Note: All the breakpoints you have set appear under Breakpoints in the rig...
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?

...te a query and fill the data table with the data from the DB string sql = "SELECT Whatever FROM MyDBTable;"; OleDbCommand cmd = new OleDbCommand(sql, con); OleDbDataAdapter adptr = new OleDbDataAdapter(); adptr.SelectCommand = cmd; adptr.Fill(dt); con.Close(); //Add the table to the data set ds.Ta...
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What does [:] mean?

...pulation[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list. share | improve this answer | ...
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What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]

...merge client available to non-registered users of Subclipse. You get it by selecting the CollabNet Merge Client feature when installing Subclipse from the update site. share | improve this answer ...
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++

...it can be done. But yeah, it ain't bloody likely for almost all but a very select few. – WhozCraig Sep 3 '12 at 7:24 1 ...
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?

...', '2014-08-20 18:47:42'); Query OK, 2 rows affected (0.04 sec) mysql> SELECT * FROM test; +----+------+---------------------+ | id | data | ts | +----+------+---------------------+ | 1 | New | 2014-08-20 18:47:42 | +----+------+---------------------+ 1 row in set (0.00 sec) ...
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Android - Using Custom Font

...ory. The New Resource Directory window appears. In the Resource type list, select font, and then click OK. Add your font files in the font folder.The folder structure below generates R.font.dancing_script, R.font.la_la, and R.font.ba_ba. Double-click a font file to preview the file's fonts in the ed...