大约有 3,700 项符合查询结果（耗时：0.0284秒） [XML]
Case conventions on element names?
...ibutes and elements: niem.gov/documentsdb/Documents/Technical/NIEM-NDR-1-3.pdf
– e1i45
Mar 14 '14 at 9:42
I know it's ...
Check if a program exists from a Makefile
... $(error "dot is not available please install graphviz")
endif
dot -Tpdf -o pres.pdf pres.dot
It works beautifully because "command -v" doesn't print anything if the executable is not available, so the variable DOT never gets defined and you can just check it whenever you want in your code....
Replacement for “rename” in dplyr
... function in dplyr (yet): http://cran.rstudio.org/web/packages/dplyr/dplyr.pdf
The function below works (almost) the same if you don't want to load both plyr and dplyr
rename <- function(dat, oldnames, newnames) {
datnames <- colnames(dat)
datnames[which(datnames %in% oldnames)] <- ne...
How to reorder data.table columns (without copying)
...this in the first item here: datatable.r-forge.r-project.org/datatable-faq.pdf
– Frank
Dec 2 '15 at 21:51
...
What is the Linux equivalent to DOS pause?
...n devoted to this subject (apple2scans.net/files/1982-A2F2116-m-a2e-aiiedg.pdf).
– Gellweiler
Apr 6 '18 at 17:26
...
How big can a user agent string get?
...nswer has a good example of this happening). In fact, the EFF did a study (pdf) about it.
– patridge
Mar 8 '11 at 20:29
1
...
Saving interactive Matplotlib figures
...pecified file of the saved data) and editing as you see fit or (b) save as PDF/SVG/PostScript format and edit in some fancy figure editor like Adobe Illustrator (or Inkscape).
EDIT post Fall 2012: As others pointed out below (though mentioning here as this is the accepted answer), Matplotlib since ...
Why does the Scala compiler disallow overloaded methods with default arguments?
...ng.org/sites/default/files/sids/rytz/Mon,%202009-11-09,%2017:29/named-args.pdf
It states:
Overloading If there are multiple overloaded alternatives of a method, at most one is
allowed to specify default arguments.
So, for the time being at any rate, it's not going to work.
You could do someth...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
... 2024/05/01 之前。
App Inventor 2 中文网VIP会员免费享有基础版技术支持服务，有任何问题都可以在线及时得到解决，是创客学习App Inventor 2 必备之利器，欢迎体验！
切换 目录 关注 ...
C++ new int[0] — will it allocate memory?
... The standard (open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf) does indeed say (3.7.4.1/2) that different calls to operator new[] should return different pointers. BTW, the new expression has some additional rules (5.3.4). I couldn't find any clue that new with 0 size is actually re...