大约有 4,899 项符合查询结果(耗时:0.0294秒) [XML]
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...有在出现异常情况的时候才查询,架构图如下:
Degradation
实现的关键点在于通过error_page处理异常,并且完成服务降级:
limit_conn_zone $server_name zone=perserver:1m;
error_page 500 502 503 504 = @failover;
fastcgi_cache_path
/tmp
leve...
Detecting a mobile browser
I'm looking for a function which return boolean value if user has mobile browser or not.
36 Answers
...
What is the iPad user agent?
... I gather, the iPad is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad.
...
Importing CommonCrypto in a Swift framework
How do you import CommonCrypto in a Swift framework for iOS?
16 Answers
16
...
NSDate beginning of day and end of day
...
I have a strange behaviour where if I add the day component I get 23:00 of the previous day.
– Mike M
Jul 18 '14 at 10:24
3
...
RESTful call in Java
...However, I don't know how to make the call. Do I need to use the URLConnection or others? Can anyone help me. thank you.
11...
Read text file into string array (and write)
...
As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
// readLines reads a whole file in...
How and where are Annotations used in Java?
What are the major areas that we can use Annotations? Is the feature a replacement for XML based configuration?
15 Answers
...
How to efficiently concatenate strings in go
...ring is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
18 Answers
...
Objective-C and Swift URL encoding
...To escape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@"escapedString: %@", escapedS...