大约有 40,000 项符合查询结果（耗时：0.0369秒） [XML]
error C2780: \'void __cdecl std::sort(_RI,_RI,_Pr)\' : expects 3 argum...
...pects 3 arguments - 2 provided
C:\Program Files\Microsoft Visual Studio\VC98\include\algorithm(588) : see declaration of 'sort'
prog7.cpp(8) : error C2782: 'void __cdecl std::sort(_RI,_RI)' : template parameter '_RI' is ambiguous could be 'class std::reverse_iterator<int *,int,int &,int *,int>' or...
Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
...
How to import classes defined in __init__.py
...
wow, the word "helper" really starts to loose meaning in that example. However, you've shown me what I was looking for.
– scottm
Feb 24 '09 at 21:06
...
One-liner to check whether an iterator yields at least one element?
... Similarly if you need to check if the iterator is empty, one could use all(False for _ in iterator) will check if the iterator is empty. (all returns True if the iterator is empty, otherwise it stops when it sees the first False element)
– KGardevoir
Apr 3 ...
Detecting a mobile browser
...
@RichardLovejoy when building sites, the ipad is generally not considered a mobile.
– Michael Zaporozhets
Mar 28 '13 at 11:14
43
...
How can I measure the speed of code written in PHP? [closed]
How can I say which class of many (which all do the same job) execute faster? is there a software to measure that?
10 Answe...
How to construct a std::string from a std::vector?
...
Even with C++98, I believe you can do std::string(&v[0]). This, of course, is if the vector is null-terminated.
– Jamie
Apr 16 '16 at 0:48
...
Count how many files in directory PHP
...n you include other directories within that directories and so on to count all files and exclude directories from the count?
– The Bumpaster
Jul 2 '16 at 13:40
1
...
Quickly reading very large tables as dataframes
... MonetDB.R gives you a data type that pretends to be a data frame but is really a MonetDB underneath, increasing performance. Import data with its monetdb.read.csv function. dplyr allows you to work directly with data stored in several types of database.
Storing data in binary formats can also be...
Passing command line arguments to R CMD BATCH
...of a relict. In any case, the more recent Rscript executable (available on all platforms), together with commandArgs() makes processing command line arguments pretty easy.
As an example, here is a little script -- call it "myScript.R":
## myScript.R
args <- commandArgs(trailingOnly = TRUE)
rnor...