大约有 40,000 项符合查询结果(耗时:0.0703秒) [XML]
Regular expression to match standard 10 digit phone number
...
20 Answers
20
Active
...
Fast way of counting non-zero bits in positive integer
...alf again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime:
counts = bytes(bin(x).count("1") for x in r...
Named string formatting in C#
...
130
There is no built-in method for handling this.
Here's one method
string myString = "{foo} is {...
How can I use an http proxy with node.js http.Client?
...y.
var http = require("http");
var options = {
host: "proxy",
port: 8080,
path: "http://www.google.com",
headers: {
Host: "www.google.com"
}
};
http.get(options, function(res) {
console.log(res);
res.pipe(process.stdout);
});
For the record his answer does work with http://node...
How to validate a url in Python? (Malformed or not)
...
10 Answers
10
Active
...
Why Choose Struct Over Class?
...
560
According to the very popular WWDC 2015 talk Protocol Oriented Programming in Swift (video, tran...
Inserting image into IPython notebook markdown
...mg src="files/subdir/image.png">, etc.
Update: starting with IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply works as expected.
share
...
How do I write a for loop in bash
...
104
From this site:
for i in $(seq 1 10);
do
echo $i
done
...
How to trigger a click on a link using jQuery
...
10 Answers
10
Active
...
Copying files from one directory to another in Java
... Java. I have a directory, dir, with text files. I iterate over the first 20 files in dir, and want to copy them to another directory in the dir directory, which I have created right before the iteration.
In the code, I want to copy the review (which represents the ith text file or review) to tra...
