大约有 42,000 项符合查询结果(耗时:0.0555秒) [XML]
Replace multiple strings with multiple other strings
...in a string with multiple other words. The string is "I have a cat, a dog, and a goat."
18 Answers
...
What is the best way to concatenate two vectors?
I'm using multitreading and want to merge the results. For example:
8 Answers
8
...
Are there any standard exit status codes in Linux?
...
8 bits of the return code and 8 bits of the number of the killing signal are mixed into a single value on the return from wait(2) & co..
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#...
filter for complete cases in data.frame using dplyr (case-wise deletion)
...works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
...
How can I pair socks from a pile efficiently?
Yesterday I was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. I was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
...
Converting an int to a binary string representation in Java?
What would be the best way (ideally, simplest) to convert an int to a binary string representation in Java?
16 Answers
...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
...red Jun 29 '10 at 21:54
Daniel VandersluisDaniel Vandersluis
79.6k1717 gold badges153153 silver badges149149 bronze badges
...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...oogle for what each flag means, I mainly get results to generic Perl sites and no specific information regarding the flags or their use is found there.
...
Java / Android - How to print out a full stack trace?
In Android (Java) how do I print out a full stack trace? If my application crashes from nullPointerException or something, it prints out a (almost) full stack trace like so:
...
Detecting a mobile browser
...m detectmobilebrowsers.com):
Here's a function that uses an insanely long and comprehensive regex which returns a true or false value depending on whether or not the user is browsing with a mobile.
window.mobileCheck = function() {
let check = false;
(function(a){if(/(android|bb\d+|meego).+mob...