PHP three ways to keep two decimal places

Tags: php three ways to keep two decimal placesAroundA. Code:<?php$num1 = round(5,2);$num2 = round(5.123,2);echo $num1.PHP_EOL;echo $num2.PHP_EOL;B. Output:55.12sprintfA. Code:<?php$num1 = sprintf(‘%.2f‘,5);$num2 = sprintf(‘%.2f‘,5.123);echo

A full HTML meaning for each label

Tags: default chinese utf-8 XHTML load client browser Ott www header1 <!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">2 <HTMLxmlns= "http://www.w3.org/1999/xhtml">

ref:php Anti-Serialization Vulnerability Genesis and vulnerability mining techniques and cases

Tags: strong gadget runtime amp operation writes many transport build environmentsref:https://www.anquanke.com/post/id/84922PHP Anti-Serialization Vulnerability Genesis and vulnerability mining techniques and casesI. Serialization and

. NET some of the notes, to record their own

Tags: append find ret container LIS IDC ESC version mode<%: Html.label ("Document name:")%>Indicates that the label control is associated with this input, and this control is triggered when the label is clicked <input type= "text" name=

"Bug record" JPA resolution Org.hibernate.lazyinitializationexception could not initialize proxy-no session

Tags: influence map session etc over online div form HibernaObjectiveRecent development projects are busy, Springcloud notes to a little put, the afternoon out of a bug, disgusting, the function is very simple, there is no cascade or complex mapping

PHP Page-Out class

Label:the   names   html   asi   order    count   pass   clu   ansi    <?php/* * *******************************

Glide install failed Update failed for Golang.org/x/net:cannot detect VCS

Tags: checkout color ima not SYS failure NET ATI spanFailure message:[WARN] Unable to checkout Golang.org/x/net[ERROR] Update failed for Golang.org/x/net:cannot detect VCS[WARN] Unable to checkout Golang.org/x/sys[ERROR] Update failed for Golang.org/

How to get the parameters in the URL using JS

Tags: indexof new localhost htm regular expression fun number page color1. Get the entire URL stringTo get the parameters in the URL, we first get to the entire URL string. We take http://localhost:8080/Charge/homePage.html?costInfoId=1 as an

Talk about Webpack packaging how to compress package file size

Tags: imp. com RIP plug-in HTM lin separation open rest assured Presumably a lot of people have been through the completion of a project, and then packaging found that some files are very large, resulting in a slow page load, which affects

Verification process and generation method of HTTPS certificate

Tags: this err error org end data-git simple src1. Concise Explanation:1. Server generates public and private keys with RSA2. Put the public key in the certificate sent to the client, the private key to save itself3. The client first checks the

HTML5 Input Type

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Apache and PHP Combine

Tags: apache and php combined Apache PHPFirst enter the command vim/usr/local/apache2.4/conf/httpd.conf, enter to view, see,E2.4/conf/httpd.conf/usr/local/apache2.4/conf/httpd.conf/usr/locTo parse PHP, here are 4 places to modify:1, ServerName2,

Netty Introduction (vi) Decoder (decoder)

Tags: buffer int () extend size and DHA ATI object newNetty provides a rich range of decoder abstract base classes, mainly divided into two categories: Decoding bytes to messages (Bytetomessagedecoder and Replayingdecoder) Decode

Webgoat notes

Tags: account login Injection character event handler make line art session address bar andWebgoat Course Notes (i) Webgoat deployment install TomcatDownload the Tomcat 7.0 version of the ZIP package on the website to local, unzip. (with the 8.0

css-Dimensions and Borders

Tags: out scenario box model Scroll button hidden IDT res raid1. Priority of the base selectorWeight: Identifies the importance of the current selector, the greater the weight, the higher the priority.Element Selector 1Class Selector 10Pseudo class

The difference between MVC and three-tier architecture

Tags: difference LTE direct div control red ACL good stylethe difference between the MVC pattern and the three-tier architectureAlways confuse the MVC performance pattern with the three-tier schema pattern, for this record. three layer architecture

Ajax form submission with payload submission

Tags: charset PNG blockbuster core share char ABC request postWhen the backend processes the data submitted by the front-end, you can either use form parsing or use JSON to parse the payload string.Form parsing can get request parameters directly

Installing PHP-7 with Memcached

Tags: priority Oct rar is host sock Ranch Dex theTransferred from: https://serversforhackers.com/c/installing-php-7-with-memcachedLet's install PHP7 and Nginx on a new Ubuntu 14.04 server, and manually build the "not yet packaged" memcached module

HTTP method: GET vs. POST

Tags: server-side two data types multi visibility amp remove visible channelThe two most common HTTP methods are: GET and POST.What is HTTP?The Hypertext Transfer Protocol (HTTP) is designed to ensure communication between the client and the

. NET garbage collection mechanism understanding

Tags: using summary how. NET manual dispose of managed IO stream garbageThere are a lot of posts on the internet about garbage collection mechanism, here I mainly make an easy summaryFirst, the conceptReferred to as GC, English is all called garbage

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