products on to cache in seconds = ten minutes$cache->set ("Product_page", $products, 600);}
Output Your Contents $products hereImprove Curl and API call performanceCopy the Code code as follows: Include ("phpfastcache/phpfastcache.php");
$cache = Phpfastcache ("memcached");
Try to get from Cache first.$results = $cache->get ("Identity_keyword")
if ($results = = null) {$results = Curl->get ("Http://www.youtube.com/api/json/url/keyword/page");Write to Cache Save API Calls next time$cache->set ("I
Respect knowledge, reprinted please indicate this article from: programming artist poechant csdn blog http://blog.csdn.net/poechant
1. Non-cas
First, let's look at a memcached program instance that is not CAS. For more information about the prototype of the instance, see the previous blog.
Program instance:
package com.sinosuperman.memcached;import java.io.IOException;import java.net.InetSocketAddress;import net.spy.memcached.MemcachedClient;public class Test {public static void main(String[]
{privatestaticfinallogger_log=logger.getlogger ( Threadpoolexecutortestwithsynchronousqueue.class);p Ublicstaticvoidmain (String[]args) throwsexception{newthreadpoolexecutortestwithsynchronousqueue (). Test ();} Publicvoidtest () throwsException{ThreadPoolExecutorthreadPool= null;// uses the Synchronousqueue queue to create new threads to complete tasks and automatically destroys threads (??? Not automatically destroyed in the experiment) Threadpool=newthreadpoolexecutor (0,integer.max_value,
API invocation performance
code is as follows
copy code
Include ("phpfastcache/phpfastcache.php"); $cache = Phpfastcache ("memcached"); //try to get from Cache I. $results = $cache->get ("Identity_keyword") if ($results = = null) { $results = curl- >get ("Http://www.youtube.com/api/json/url/keyword/page"); //Write to Cache Save APIs Calls next time $cache->set ("Identity_keyword ", $results, 3600*24); } foreach ($results as $video) { //Output Your
variablesint A; int *p=a;2, the method of assigning a value statementint A;int *p;p=a;It is not allowed to assign a number to a pointer variable, so the following assignment is wrong:int *p;p=1000;The "*" specifier cannot be added before the assigned pointer variable, such as *p=a is also wrong. Assumptions:int i=200, x;int *ip;We have defined two integer variable i,x and defined a pointer variable IP that points to an integer number. An integer can be stored in the i,x, and only the address of
CNET Science and Information Network June 2 International report Google unveiled the internal work style of the mystery.
Google, the search giant, rarely exposes its data centers, but last week Google researcher Jeff Dean uncovered some of its operations at Google I/O meetings.
On the one hand, Google used a number of regular servers, on the other hand, Google has 1800 of servers into the cluster, these cluster servers responsible for Google's day-to-
the C1 are a,c,d,e, and the weights are 40,30,20,10 respectively, then the D1 vectors are represented asD1 (30,20,20,10,0)The vector of the C1 is expressed asC1 (40,0,30,20,10)Then the correlation between the text D1 and the class C1 is 0.86 according to the above formula.So how did the 0.86 specifically derive it?In mathematics, n-dimensional vectors areV{V1,V2,V3,...,VN}Die For|V|=SQRT (V1*V1+V2*V2+...+VN*VN)dot product of two vectorsM*n=n1*m1+n2*m2+......+nn*mnSimilarity degreeSim= (m*n)/(|m
1 Write the program, complete the following topics:(1 points)Topic content:The first 10 items of a Fibonacci sequence are: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, and for an even number of Fibonacci numbers that have a maximum value of not more than N.Input format:A positive integer n, such as 100.Output format:The value of an even-numbered item, such as 2 + 8 + 34 = 44.Input Sample:100Sample output:44time limit: 500ms memory limit: 32000kbNote: Because the Fibonacci sequence function belongs to recu
target starting path to find, the default is the current directory;"Find Criteria": Search according to user-specified criteria, the default is to find all the files under the specified path;The search criteria are broadly divided into the following categories:;① Search by file name:-name;-inameFor example: Find files ending with ". Cfg" in the current directory~]# find. -name "*.cfg"A regular expression is not supported when Glob wildcard matches are matched here. The use of-iname does not dis
:----------------------------------------------------------------------startupPlugins/org.eclipse.equinox.launcher_1.0.100.v20080509-1800.jar--launcher.libraryplugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.100.v20080509-1800-clean-showsplashCom.genuitec.myeclipse.product--launcher. Xxmaxpermsize512m//Original is 256 I changed to 512-vmargs-xms128m//Original is 40 I changed to 128-xmx512m----------
the official website http://phantomjs.org/download.html, also can pass (only Windows version): https://pan.baidu.com/s/ 1EVX1RPX7GY0RGVEI6OHCWG Password: brb4 download, after decompression can seeThe script examples folder under Rasterize.js is as follows:varpage = require (' webpage '). Create (), System= Require (' System '), address, output, size;if(System.args.length ) {Phantom.exit (1);} Else{Address= System.args[1];//Incoming URL addressoutput = system.args[2];//address of the output pict
Search by Region:http://api.map.baidu.com/geosearch/v3/local?region=%e5%8e%a6%e9%97%a8ak=pwinp7mgeptewlpldedv3ur3 geotable_id=*****Search by Location Center (1800 m from center):http://api.map.baidu.com/geosearch/v3/nearby?ak=pwinp7mgeptewlpldedv3ur3geotable_id=***location= 118.145572,24.49264radius=1800
The program code is as follows
First to data entry to the Baidu Cloud databaseUse the interface to sub
shutdown.
For example: I want to automatically shut down at 18 point: at 18:00 shutdown-s
such as: I want to shutdown in 30 minutes after the command mode: shutdown.exe-s-T 1800 (value 1800 is milliseconds 3600 for one hour)
3. If you want to release the timer after you enter the command, you can enter shutdown.exe-a in the Run box.
We'll learn it here. Win7 system through the use of Shutdown.ex
The Public Environment Front Section
Send This file:
Nginx+linux Environmental considerations
PHP environment upload large files need to pay attention to matters:
/usr/local/php/etc/php-fpm.conf.defaultRequest_terminate_timeout = 0//This is the fastcgi execution time, which is not restricted by defaultClient_max_body_size 256m;
Fastcgi_buffer_size 256k;Fastcgi_buffers 256k;Fastcgi_busy_buffers_size 256k;Fastcgi_temp_file_write_size 256k;Fastcgi_connect_timeout 3000;Fastcgi_send_timeout 300
PHP's performance has been improving. However, if the use of inappropriate, or a inattention, still may be stepping on the internal implementation of PHP hole. I ran into a performance problem a few days ago.PHP's performance has been improving. However, if the use of inappropriate, or a inattention, still may be stepping on the internal implementation of PHP hole. I ran into a performance problem a few days ago.The thing is this, a colleague feedback our interface each return takes 5 seconds, w
current cyber attacks, the attacks are very frequent,once also has the CU friend mentioned, said if 2 side establishes the connection, then does not send any data or Rst/fin message, then the duration is is 2 hours, the empty connection attack? Tcp_keepalive_timeis to prevent this from happening. I am personally in the NAT service when the change value is 1800 seconds)Tcp_keepalive_probes:INTEGERThe default value is 9TCP sends a KeepAlive probe to de
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