大约有 40,000 项符合查询结果（耗时：0.0604秒） [XML]
Should I use Java's String.format() if performance is important?
...te a small class to test which has the better performance of the two and + comes ahead of format. by a factor of 5 to 6.
Try it your self
import java.io.*;
import java.util.Date;
public class StringTest{
public static void main( String[] args ){
int i = 0;
long prev_time = System.curr...
Get protocol + host name from URL
...o app, I need to get the host name from the referrer in request.META.get('HTTP_REFERER') along with its protocol so that from URLs like:
...
Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to multiply duration by integer?
... simplest code, with the same misleading semantics of Duration conversion: https://golang.org/pkg/time/#Duration
seconds := 10
fmt.Print(time.Duration(seconds)*time.Second) // prints 10s
share
|
i...
LaTeX Optional Arguments
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Is it better in C++ to pass by value or pass by constant reference?
...
It used to be generally recommended best practice1 to use pass by const ref for all types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function).
This was especiall...
How do I quickly rename a MySQL database (change schema name)?
...
community wiki
9 revs, 9 users 21%Benoit Duffez
...
Difference between console.log() and console.debug()?
...d Chrome consoles, .debug() is just an alias for .log() added for improved compatibility
https://developer.mozilla.org/en-US/docs/Web/API/console
https://developers.google.com/chrome-developer-tools/docs/console-api#consoledebugobject_object
https://msdn.microsoft.com/en-us/library/ie/hh772183(v=...
Can I have multiple :before pseudo-elements for the same element?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...