r2d2 roomba

Codeforces Round #291 (Div. 2) Problem Solving report A. B .C.D. E, A-Chewba certificate ca and NumberIf the value is greater than 4, the value is not greater than or equal to 4. Note that if the first digit is 9, the system does not invert the image.The Code is as follows: #include B-Han Solo and Lazer GunTraverse and mark the points in the same straight line. Pay attention to the accuracy.The Code is as follows: #include C-Watto and MechanicThis question is so miserable .. The map used dire

($ _ SERVER ['http _ ACCEPT ']), "VND. WAP. WML ")> 0) {return true ;} // Check USER_AGENT elseif (preg_match ('/(blackberry | configuration \/cldc | hp-| htc _ | htc-| iemobile | kindle | midp | mmp | motorola | mobile | nokia | opera mini | opera | Googlebot-Mobile | YahooSeeker \/M1A1-R2D2 | android | iphone | ipod | mobi | palm | palmos | pocket | portalmmm | ppc; | smartphone | sonyericsson | sqh | spv | symbian | treo | up. browser | up. link |

) {header ('Location: https://www.php1.cn/'); exit;} // check if wapfunction check_wap () {// check whether it is a wap proxy first, and the accuracy is high if (stristr ($ _ SERVER ['http _ VIA '], "wap") {return true ;} // check whether the browser accepts WML. elseif (strpos (strtoupper ($ _ SERVER ['http _ ACCEPT ']), "VND. WAP. WML ")> 0) {return true ;} // Check USER_AGENT elseif (preg_match ('/(blackberry | configuration \/cldc | hp-| htc _ | htc-| iemobile | kindle | midp | mmp | motorol

With the popularization of mobile devices, php websites will increasingly access mobile devices. Pages adapted to PCs are often unfriendly to mobile phone users. in some cases, we need to determine whether users are accessed by mobile phones. if they are mobile phones, they will jump to the specified mobile phone friendly page. Here we will introduce how to determine whether a user can access the website through a mobile phone. The custom functions are as follows: $ Agent = check_wap (); if ($

| hp-| htc _ | htc-| iemobile | kindle | midp | mmp | motorola | mobile | nokia | opera mini | opera | Googlebot-Mobile | YahooSeeker \/M1A1-R2D2 | android | iphone | ipod | mobi | palm | palmos | pocket | portalmmm | ppc; | smartphone | sonyericsson | sqh | spv | symbian | treo | up. browser | up. link | vodafone | windows ce | xda _)/I ', $ _ SERVER ['http _ USER_AGENT']) {Return true;}Else {Return false;}} Another function is used to determine wh

With the popularity of mobile devices, the site will also usher in more and more mobile device access. Adapt to the PC's page, many times the user is not friendly to the phone, then sometimes we need to determine whether users use mobile phone access, if it is mobile phone, jump to the designated mobile phone-friendly page. Here's how to tell if a user is using a mobile phone to access it.The custom functions are as follows:$agent = Check_wap (), if ($agent) {header (' location:http://www.nowama

With the popularization of mobile devices, more and more mobile devices will access websites. Pages adapted to PCs are often unfriendly to mobile phone users. In some cases, we need to determine whether users are accessed by mobile phones. If they are mobile phones, they will jump to the specified mobile phone friendly page. Here we will introduce how to determine whether a user can access the website through a mobile phone. The custom functions are as follows:Copy codeThe Code is as follows:$ A

, its value//would now is in $matches [1] if (Isset ($matches [1])) {$si Ze = $matches [1]; } else {$size = ' unknown '; } $last _mb = round ($size/(1024*1024), 3), $last _kb = round ($size/1024,3); Return $last _kb. ' KB/'. $last _mb. ' MB ';}Check to see if your phone is logged in and jump$agent = Check_wap (), if ($agent) {header (' location:http://www.baidu.com '); exit;} If it is a cell phone, function Check_wap () {//Check whether it is a WAP proxy, high accuracy if (stristr ($_se

. WAP. WML")> 0 ){Return true;}// Check USER_AGENTElseif (preg_match ('/(blackberry | configuration \/cldc | hp-| htc _ | htc-| iemobile | kindle | midp | mmp | motorola | mobile | nokia | opera mini | opera | Googlebot-Mobile | YahooSeeker \/M1A1-R2D2 | android | iphone | ipod | mobi | palm | palmos | pocket | portalmmm | ppc; | smartphone | sonyericsson | sqh | spv | symbian | treo | up. browser | up. link | vodafone | windows ce | xda _)/I ', $ _ S

character>>> anyend = '. End ' >>> re.match (anyend, ' Bend '). Group () ' Bend ' >>> >>> re.match ( Anyend, ' end '). Group () Traceback (most recent): File "　　Create a character set []>>> Re.match (' [Cr][23][dp][o2] ', ' C3PO '). Group () ' C3PO ' >>> >>> re.match (' [Cr][23][dp][o2 ] ', ' c2do '). Group () ' C2do ' >>> >>> re.match (' R2d2|c3po ', ' c2do '). Group () Traceback (most recent call Last): 　　Repeating, special characters, and groupi

to the ipad and Android judgment The code is as follows Copy Code //Check if WAP function Check_wap () { if (stristr ($_server[' Http_via '], "WAP")) {//Check if WAP agent first, high accuracy return true; }elseif (Strpos strtoupper ($_server[' http_accept '), "VND. Wap. WML ") > 0) {//check whether the browser accepts WML. return true; }elseif (Preg_match ('/blackberry| CONFIGURATION/CLDC|HP |HP-|HTC |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|o

Type Conversions Convert qstring to double type Method 1. QString str= "123.45"; Double val=str.todouble (); val=123.45 Method 2. Very suitable for scientific notation form conversion BOOL OK; Double D; D=qstring ("1234.56e-02"). ToDouble (ok); ok=true;d;12.3456. Convert qstring to float 1.QString str= "123.45"; float d=str.tofloat (); d=123.45 2.QString str= "R2D2"; BOOL OK; Float d=str.tofloat (ok); Conversion is when returned 0.0,ok=false; Conver