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Eclipse: have the same file open in two editors?

...r file and then Window->New Editor (Note: in newer versions it will be called New Window) Then, click on its tab and drag it somewhere else to have two editors of the same file Update: as mentioned by moschlar, From version 4.4, two editors can be created with Window -> Editor -> Clone. ...
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Reshaping data.frame from wide to long format

...s melt/cast. Here is a solution with reshape, assuming your data frame is called d: reshape(d, direction = "long", varying = list(names(d)[3:7]), v.names = "Value", idvar = c("Code", "Country"), timevar = "Year", times = 1950:1954) ...
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How do I remove the last comma from a string using PHP?

...This doesn't work in a loop that adds a comma at the end as it will remove all the commas. – LizardKG Mar 11 at 21:35 add a comment  |  ...
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What are the basic rules and idioms for operator overloading?

...::ios::failbit); return is; } When implementing operator>>, manually setting the stream’s state is only necessary when the reading itself succeeded, but the result is not what would be expected. Function call operator The function call operator, used to create function objects, also k...
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String difference in Bash

... <(echo b); – Aquarius Power Apr 16 '15 at 1:30 ...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

... oluiesoluies 16.7k1313 gold badges6363 silver badges111111 bronze badges ...
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Pandas count(distinct) equivalent

... answered Jul 2 '17 at 11:16 StatguyUserStatguyUser 1,88111 gold badge1212 silver badges3333 bronze badges ...
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Why am I getting error for apple-touch-icon-precomposed.png

...means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs – Hgehlhausen Dec 14 '16 at 19:40 add a comment  |  ...
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jQuery: more than one handler for same event

... Both handlers will run, the jQuery event model allows multiple handlers on one element, therefore a later handler does not override an older handler. The handlers will execute in the order in which they were bound. ...
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How to change background color in android app

... | edited Jul 22 '14 at 16:46 030 7,16166 gold badges6060 silver badges8888 bronze badges answered May...