... what does -CHEAD mean? – Aerin Oct 18 '17 at 6:48 1 ...

... @NoName: What do you mean by "clear the plots"? Do you want to close the plotting window and plot a new one? – Srivatsan Dec 16 '19 at 1:27 ...

... Beware of hiding overflow; it means business. – David A. Gray Mar 26 '18 at 4:55  |  show 1 more ...

...ash - or underscore _ Tilde ~ Everything else has a potentially special meaning. For example, you may think you can use +, but it can be replaced with a space. & is dangerous, too, especially if using some rewrite rules. As with the other comments, check out the standards and specifications ...

...Good Parts in fact, that "[requires] parens around immediate invocations," meaning that the construction 3 Answers ...

...e less fun to type, I definitely prefer the hash rocket. Why? because it means that any time I use a symbol for a key I can search for it anywhere in my project by searching for a string that starts with a colon. To me, the lack of consistency between the actual characters used to denote the key ...

What does the red exclamation point icon in Eclipse mean? There are lots of different search results on the Internet about "red exclamation point icons" and "red exclamation mark decorators" and "red bang icons," no doubt because lots of plugins and programming-related tools use red exclamation poin...

...y require(data.table) DT <- data.table(x=rep(1:5, each=2), y=1:10) DT[, mean(y), by=x] # no key is set, order of groups preserved in result However, prior to v1.9.6, joins of the form x[i] required key to be set on x. With the new on= argument from v1.9.6+, this is not true anymore, and setting...

...r the PDf converter I'm using; wkhtmltopdf. Yes, height works, but doesn't mean the same thing semantically as min-height. – rainabba Feb 4 '16 at 1:54 ...

... "easier that altering the order" - Do you mean that it is possible (although it is more difficult) to alter the order of the columns without recreating the table (through a temp table)? – Örjan Jämte Sep 16 '09 at 11:41 ...