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  • Why my UTableView with style UITableViewStyleGrouped is consuming memory?

    - by prathumca
    Hello everyone, Currently in my app, I'm using an UITableView with style UITableViewStyleGrouped as shown below. CGRect imgFrame = CGRectMake(0, 0, 320, 650); UITableView *myTable = [[UITableView alloc] initWithFrame:imgFrame style:UITableViewStyleGrouped]; myTable.dataSource = self; myTable.delegate = self; //make the current object the event handler for view [self.view addSubview:myTable]; [myTable release]; And the data has stored in an array "dataArray". dataArray has collection of arrays, where each array represent a section. Currently I have only one section with 100 records. When I installed my app onto my IPhone, I observed that this UITableView is consuming 20 MB of IPhone memory. If I changed the table view style to "UITableViewStylePlain", then it is consuming only 4MB of memory. I'm trying to figure it out, where is the exact problem, but not. What was wrong with "UITableViewStyleGrouped"? Regards, prathumca.

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  • Help Needed With AJAX Script

    - by Brian
    Hello All I am working on an AJAX script but am having difficulties. First, here is the script: var xmlHttp; function GetXmlHttpObject(){ var objXMLHttp=null if (window.XMLHttpRequest){ objXMLHttp=new XMLHttpRequest() } else if (window.ActiveXObject){ objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP") } return objXMLHttp } function retrieveData(){ var jBossServer = new Array(); jBossServer[0] = "d01"; jBossServer[1] = "d02"; jBossServer[2] = "p01"; jBossServer[3] = "p02"; for(var i=0; i<jBossServer.length; i++){ xmlHttp = GetXmlHttpObject(); if (xmlHttp == null){ alert ("Something weird happened ..."); return; } var url="./retrieveData.php"; url = url + "?jBossID=" + jBossServer[i]; url = url + "&sid=" + Math.random(); xmlHttp.open("GET",url,true); xmlHttp.onreadystatechange = updateMemory; xmlHttp.send(null); } } function updateMemory(){ if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete"){ aggregateArray = new Array(); aggregateArray = xmlHttp.responseText.split(','); for(var i=0; i<aggregateArray.length; i++){ alert(aggregateArray[i]); } return; } } The "retrieveData.php" page will return data that looks like this: d01,1 MB,2 MB,3 MB They relate to my 4 servers d01, d02, p01, and p02 (dev and prod). What I am doing is scraping the memory information from http://127.0.0.1:8080/web-console/ServerInfo.jsp I want to save code so I attempted to put the AJAX xmlHttp call into a loop, but I don't think it is working. All I ever get back is the information for "p02" four times. Am I able to do what I want or do I need four different functions for each server (i.e., xmlHttpServer01, xmlHttpServer02, xmlHttpServer03, xmlHttpServer04)? Thank you all for reading, have a good day. :)

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  • High performance text file parsing in .net

    - by diamandiev
    Here is the situation: I am making a small prog to parse server log files. I tested it with a log file with several thousand requests (between 10000 - 20000 don't know exactly) What i have to do is to load the log text files into memory so that i can query them. This is taking the most resources. The methods that take the most cpu time are those (worst culprits first): string.split - splits the line values into a array of values string.contains - checking if the user agent contains a specific agent string. (determine browser ID) string.tolower - various purposes streamreader.readline - to read the log file line by line. string.startswith - determine if line is a column definition line or a line with values there were some others that i was able to replace. For example the dictionary getter was taking lots of resources too. Which i had not expected since its a dictionary and should have its keys indexed. I replaced it with a multidimensional array and saved some cpu time. Now i am running on a fast dual core and the total time it takes to load the file i mentioned is about 1 sec. Now this is really bad. Imagine a site that has tens of thousands of visits a day. It's going to take minutes to load the log file. So what are my alternatives? If any, cause i think this is just a .net limitation and i can't do much about it.

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  • Catching 'Last Record' in Coldfusion for IE javascript bug

    - by Simon Hume
    I'm using ColdFusion to pull UK postcodes into an array for display on a Google Map. This happens dynamically from a SQL database, so the numbers can range from 1 to 100+ the script works great, however, in IE (groan) it decides to display one point way off line, over in California somewhere. I fixed this issue in a previous webapp, this was due to the comma between each array item still being present at the end. Works fine in Firefox, Safari etc, but not IE. But, that one was using a set 10 records, so was easy to fix. I just need a little if statement to wrap around my comma to hide it when it hits the last record. I can't seem to get it right. Any tips/suggestions? here is the line of code in question: var address = [<cfloop query="getApplicant"><cfif getApplicant.dbHomePostCode GT ""><cfoutput>'#getApplicant.dbHomePostCode#',</cfoutput></cfif> </cfloop>]; Hopefully someone can help with this rather simple request. I'm just having a bad day at the office!

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  • iPhone: variable type returned by yajl

    - by Luc
    Hello, I'm quite new to iphone programming and I want to do the following stuff: get data from a JSON REST web server parse the received data using YAJL Draw a graph with those data using core-plot So, 1th item is fine, I use ASIHttpRequest which runs as espected 3rd is almost fine (I still have to learn how to tune core-plot). The problem I have is regarding 2nd item. I use YAJL as it seems to be the faster parser, so why not give it a try :) Here is the part of code that gets the data from the server and parse them: // Get server data response_data = [request responseData]; // Parse JSON received self.arrayFromData = [response_data yajl_JSON]; NSLog(@"Array from data: %@", self.arrayFromData); The parsing works quite well in fact, the NSLog output is something like: 2010-06-14 17:56:35.375 TEST_APP[3733:207] Array from data : { data = ( { val = 1317; date = "2010-06-10T15:50:01+02:00"; }, { val = 1573; date = "2010-06-10T16:20:01+02:00"; }, ........ { val = 840; date = "2010-06-11T14:50:01+02:00"; }, { val = 1265; date = "2010-06-11T15:20:01+02:00"; } ); from = "2010-06-10T15:50:01+02:00"; to = "2010-06-11T15:20:01+02:00"; max = "2590"; } According to th yajl-objc explanations http://github.com/gabriel/yajl-objc, the parsing returns a NSArray... The thing is... I do not know how to get all the values from it as for me it looks more like a NSDictionary than a NSArray... Could you please help ? Thanks a lot, Luc edit1: it happens that this object is actually a NSCFDictionary (!), I am still not able to get value from it, when I try the objectFromKey method (that should work on a Dictionary, no ?) it fails.

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  • Javascript: Error 'Object Required.'

    - by javascripthelp
    The following is the error popup message I get when I click "Finalize" button on my website: "Line: 298 Char: 5 Error: Object required: 'lobi_c_selected(...)' Code: 0 URL: http://10.128.23.50/i-prostage/AP/w_ap_check_reconciliation.asp?" Normally, when I click "Finalize" button, it'll generate and show a report in a popup window. However, I'd get this error message instead. Can any of you help me locate the error in the following source code for the page that I'm running in IE 6? sub cb_finalize dim ll_loop, ll_found, lobj_c_selected of_SetHourGlass(True) rpt_link.innerHTML = "" rpt_link.href = "" 'Process only if at least one record was selected if rds1.Recordset.Recordcount 0 then lb_found = false if rds1.Recordset.Recordcount = 1 then if c_selected.checked then lb_found = true else Set lobj_c_selected = document.all.item("c_selected") for ll_loop = 1 to rds1.Recordset.Recordcount if lobj_c_selected(ll_loop - 1).checked then lb_found = true exit for end if next end if if not lb_found then msgbox "Please select a record to be posted.", vbInformation, "ProStage Accounting" of_SetHourGlass(False) else window.setTimeout "ue_process()", 100, vbscript 'Post Event end if else msgbox "There's no record to be posted." + vbcrlf + "Please select a record to be posted.", vbInformation, "ProStage Accounting" of_SetHourGlass(False) end if end sub Sub ue_process dim ll_loop, ll_count, ls_ret, ls_trxid, ls_r1 'Get only selected records redim ls_trxid(rds1.Recordset.Recordcount) for ll_loop = 1 to rds1.Recordset.Recordcount rds1.Recordset.AbsolutePosition = ll_loop if not isnull(rds1.Recordset("clrdt")) then 'Add to TRXID array if selected ll_count = ll_count + 1 ls_trxid(ll_count) = rds1.Recordset("trxid") end if next 'Process reconciliation rds1.Recordset.MarshalOptions = 1 ls_ret = iBO_Update.of_update_1(is_dbsrc, rds1.Recordset, "GLTRX", is_sql) if ls_ret < "1" then msgbox "Update Failed ! " + ls_ret, vbExclamation + vbOKonly, document.title of_SetHourGlass(False) else 'Display Posting Journal & clear screen ue_posting_journal ls_trxid, ll_count Set rds1.SourceRecordset = iBO_Company.of_validate(is_dbsrc, "SELECT 1 FROM DUAL WHERE 1 = 2") ib_query = false 'Not to process RetrieveEnd end if End Sub Sub ue_posting_journal(as_trxid, al_count) dim ll_argseq, ls_argtyp, ls_argmnt, ll_sargseq of_setreport() ' Start service 'Prepare arguments for report in RPTMSTR table for ll_loop = 1 to al_count + 1 select case ll_loop case 1 'Range displayed as report title ll_argseq = 800 ls_argtyp = null ls_argmnt = "st_title.text = 'Bank: " + bnkid_name.value + ", As of Date: " + _ of_date_stringtodate(id_trxdt) + "'" ll_sargseq = 0 case else 'TRXID array ll_argseq = 1 ll_sargseq = ll_loop - 1 ls_argtyp = "S" ls_argmnt = as_trxid(ll_loop - 1) end select of_report_register_array "d_rpt_ap_check_reconciliation_register", ll_argseq, ls_argtyp, ls_argmnt, ll_sargseq next of_report_process "d_rpt_ap_check_reconciliation_register", true, true 'Display report of_sethourglass(False) End Sub

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  • APNs notification failure...

    - by Kamal Challa
    Hi , i tried the following code (PHP) $apnsHost = 'gateway.sandbox.push.apple.com'; $apnsPort = 2195; $apnsCert = 'apple_push_notification_production.pem'; $streamContext = stream_context_create(); stream_context_set_option($streamContext, 'ssl', 'local_cert', $apnsCert); $apns = stream_socket_client('ssl://' . $apnsHost . ':' . $apnsPort, $error, $errorString, 2, STREAM_CLIENT_CONNECT, $streamContext); if($apns) { echo "Connection Established<br/>"; $deviceToken = '**********';//masked $body = array(); $body['aps'] = array(’alert’ => "test message"); //$body['aps']['badge'] = 1; $payload = json_encode($body); $apnsMessage = chr(0) . pack("n",32) . pack('H*', str_replace(' ', '', $deviceToken)) . pack("n",strlen($payload)) . $payload; print "sending message :" . $apnsMessage . "<br/>"; print "sending payload :" . $payload . "<br/>"; fwrite($apns, $apnsMessage); } else { echo "Connection Failed"; echo $errorString; echo $error; } socket_close($apns); fclose($apns); reply is Connection Established sending message :?? d^÷Îå0ZCd%1ÄuwOOYš'ÊÈ}ârðm¾Í?,{"aps":{"\u2019alert\u2019":"test message"}} sending payload :{"aps":{"\u2019alert\u2019":"test message"}} But am not able to get the notification any help?

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  • Send email using GMail SMTP server from PHP page

    - by skb
    I am trying to send an email via GMail's SMTP server from a PHP page but I get this error: authentication failure [SMTP: SMTP server does no support authentication (code: 250, response: mx.google.com at your service, [98.117.99.235] SIZE 35651584 8BITMIME STARTTLS ENHANCEDSTATUSCODES PIPELINING)] Can anyone help? Here is my code: <?php require_once "Mail.php"; $from = "Sandra Sender <[email protected]>"; $to = "Ramona Recipient <[email protected]>"; $subject = "Hi!"; $body = "Hi,\n\nHow are you?"; $host = "smtp.gmail.com"; $port = "587"; $username = "[email protected]"; $password = "testtest"; $headers = array ('From' => $from, 'To' => $to, 'Subject' => $subject); $smtp = Mail::factory('smtp', array ('host' => $host, 'port' => $port, 'auth' => true, 'username' => $username, 'password' => $password)); $mail = $smtp->send($to, $headers, $body); if (PEAR::isError($mail)) { echo("<p>" . $mail->getMessage() . "</p>"); } else { echo("<p>Message successfully sent!</p>"); } ?>

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  • Triangle numbers problem....show within 4 seconds

    - by Daredevil
    The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first ten terms would be: 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ... Let us list the factors of the first seven triangle numbers: 1: 1 3: 1,3 6: 1,2,3,6 10: 1,2,5,10 15: 1,3,5,15 21: 1,3,7,21 28: 1,2,4,7,14,28 We can see that 28 is the first triangle number to have over five divisors. Given an integer n, display the first triangle number having at least n divisors. Sample Input: 5 Output 28 Input Constraints: 1<=n<=320 I was obviously able to do this question, but I used a naive algorithm: Get n. Find triangle numbers and check their number of factors using the mod operator. But the challenge was to show the output within 4 seconds of input. On high inputs like 190 and above it took almost 15-16 seconds. Then I tried to put the triangle numbers and their number of factors in a 2d array first and then get the input from the user and search the array. But somehow I couldn't do it: I got a lot of processor faults. Please try doing it with this method and paste the code. Or if there are any better ways, please tell me.

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  • dhcpd pool exhaustion - What's the result?

    - by jarmund
    I have a DHCP server that serves leases to several houndred, maybe up to a thousand, different clients on an average day. The pool consists of 242 IPs, and due to the highly dynamic nature of the network, it's enough 99% of the time (most devices are gone from the network in a few minutes), despite having a lease time of 3600. Now, imagine if more clients than that connect to the network during an hour. The sollution is obvious: Decrease lease time, or increase the DHCP pool, however, what i would like to know: What happens when dhcpd has exhausted the pool? Are new DHCP requests simply ignored?

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  • Speeding up a soap powered website

    - by ChrisRamakers
    Hi all, We're currently looking into doing some performance tweaking on a website which relies heavily on a Soap webservice. But ... our servers are located in Belgium and the webservice we connect to is locate in San Francisco so it's a long distance connection to say the least. Our website is PHP powered, using PHP's built in SoapClient class. On average a call to the webservice takes 0.7 seconds and we are doing about 3-5 requests per page. All possible request/response caching is already implemented so we are now looking at other ways to improved the connection speed. This is the code which instantiates the SoapClient, what i'm looking for now is other ways/methods to improve speed on single requestes. Anyone has idea's or suggestions? private function _createClient() { try { $wsdl = sprintf($this->config->wsUrl.'?wsdl', $this->wsdl); $client = new SoapClient($wsdl, array( 'soap_version' => SOAP_1_1, 'encoding' => 'utf-8', 'connection_timeout' => 5, 'cache_wsdl' => 1, 'trace' => 1, 'features' => SOAP_SINGLE_ELEMENT_ARRAYS )); $header_tags = array('username' => new SOAPVar($this->config->wsUsername, XSD_STRING, null, null, null, $this->ns), 'password' => new SOAPVar(md5($this->config->wsPassword), XSD_STRING, null, null, null, $this->ns)); $header_body = new SOAPVar($header_tags, SOAP_ENC_OBJECT); $header = new SOAPHeader($this->ns, 'AuthHeaderElement', $header_body); $client->__setSoapHeaders($header); } catch (SoapFault $e){ controller('Error')->error($id.': Webservice connection error '.$e->getCode()); exit; } $this->client = $client; return $this->client; }

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  • Windows redirect traffic to different DNS name not fixed IP address (hosts file equivalent)

    - by Arik Raffael Funke
    Using the Windows hosts file, one can redirect traffic for a domain to a specific IP address, e.g. domainA.com -- 127.0.0.1 I am looking for a SIMPLE way to do the same, but for a target domain name not for a target IP address (as this is dynamic), I.e. domainA.com -- domainB.com Addition: After the getting some initial answers I think I need to concretise my question. Situation: I have an application which looks up the IP of the target domain via DNS and then connects via HTTP to the IP address. I do not have control over any proxy settings. Option 1 Basically I am looking for a way to: intercept DNS requests for a domainA.com launch a DNS request for a domainB.com serve the IP of domainB.com in response to the request for domainA.com Without running an entire DNS server. Option 2 If a DNS server is the only way, in the alternative I would also be happy with an solution to how to define a non-standard DNS-server for a single application. Any ideas for wrapper applications, etc?

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  • Is there some advantage to filling a stack with nils and interpreting the "top" as the last non-nil value?

    - by dwilbank
    While working on a rubymonk exercise, I am asked to implement a stack with a hard size limit. It should return 'nil' if I try to push too many values, or if I try to pop an empty stack. My solution is below, followed by their solution. Mine passes every test I can give it in my IDE, while it fails rubymonk's test. But that isn't my question. Question is, why did they choose to fill the stack with nils instead of letting it shrink and grow like it does in my version? It just makes their code more complex. Here's my solution: class Stack def initialize(size) @max = size @store = Array.new end def pop empty? ? nil : @store.pop end def push(element) return nil if full? @store.push(element) end def size @store.size end def look @store.last end private def full? @store.size == @max end def empty? @store.size == 0 end end and here is the accepted answer class Stack def initialize(size) @size = size @store = Array.new(@size) @top = -1 end def pop if empty? nil else popped = @store[@top] @store[@top] = nil @top = @top.pred popped end end def push(element) if full? or element.nil? nil else @top = @top.succ @store[@top] = element self end end def size @size end def look @store[@top] end private def full? @top == (@size - 1) end def empty? @top == -1 end end

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  • How do I make PHP's Magic __set work like a natural variable?

    - by Navarr
    Basically, what I want to do is create a class called Variables that uses sessions to store everything in it, allowing me to quickly get and store data that needs to be used throughout the entire site without working directly with sessions. Right now, my code looks like this: <?php class Variables { public function __construct() { if(session_id() === "") { session_start(); } } public function __set($name,$value) { $_SESSION["Variables"][$name] = $value; } public function __get($name) { return $_SESSION["Variables"][$name]; } public function __isset($name) { return isset($_SESSION["Variables"][$name]); } } However, when I try to use it like a natural variable, for example... $tpl = new Variables; $tpl->test[2] = Moo; echo($tpl->test[2]); I end up getting "o" instead of "Moo" as it sets test to be "Moo," completely ignoring the array. I know I can work around it by doing $tpl->test = array("Test","Test","Moo"); echo($tpl->test[2]); but I would like to be able to use it as if it was a natural variable. Is this possible?

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  • PHP autoloader: ignoring non-existing include

    - by Bart van Heukelom
    I have a problem with my autoloader: public function loadClass($className) { $file = str_replace(array('_', '\\'), '/', $className) . '.php'; include_once $file; } As you can see, it's quite simple. I just deduce the filename of the class and try to include it. I have a problem though; I get an exception when trying to load a non-existing class (because I have an error handler which throws exceptions). This is inconvenient, because it's also fired when you use class_exists() on a non-existing class. You don't want an exception there, just a "false" returned. I fixed this earlier by putting an @ before the include (supressing all errors). The big drawback with this, though, is that any parser/compiler errors (that are fatal) in this include won't show up (not even in the logs), resulting in a hard to find bug. What would be the best way to solve both problems at once? The easiest way would be to include something like this in the autoloader (pseudocode): foreach (path in the include_path) { if (is_readable(the path + the class name)) readable = true; } if (!readable) return; But I worry about the performance there. Would it hurt a lot? (Solved) Made it like this: public function loadClass($className) { $file = str_replace(array('_', '\\'), '/', $className) . '.php'; $paths = explode(PATH_SEPARATOR, get_include_path()); foreach ($paths as $path) { if (is_readable($path . '/' . $file)) { include_once $file; return; } } }

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  • Problem designing xsd schema - because of a variable element name

    - by ssaboum
    Hi everyone, i'm not the best at creating XSD schema as this is actually my first one, i would like to validate an xml that must look like this : <?xml version="1.0"?> <Data> <FIELD name='toto'> <META mono='false' dynamic='false'> <COLUMN1> <REFTABLE>table</REFTABLE> <REFCOLUMN>key_column</REFCOLUMN> <REFLABELCOLUMN>test_column</REFLABELCOLUMN> </COLUMN1> <COLUMN2> <REFTABLE>table</REFTABLE> <REFCOLUMN>key_column</REFCOLUMN> <REFLABELCOLUMN>test_column</REFLABELCOLUMN> </COLUMN2> </META> <VALUEs> <VALUE>...</VALUE> </VALUEs> </FIELD> My problem is that into the META block the tags "COLUMN1","COLUMN2" are always different, it may become COLUMNxxx. For now my schema is : <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="Data"> <xsd:complexType> <xsd:sequence> <xsd:element name="FIELD" type="Field" /> </xsd:sequence> <xsd:attribute name="id" type="xsd:int" use="required" /> </xsd:complexType> </xsd:element> <xsd:complexType name="dataSourceDef"> <xsd:sequence> <xsd:element name="DSD_REFTABLE" type="xsd:string" /> <xsd:element name="DSD_REFCOLUMN" type="xsd:string" /> <xsd:element name="DSD_REFLABELCOLUMN" type="xsd:string" /> </xsd:sequence> </xsd:complexType> <xsd:complexType name="MetaTag"> <xsd:sequence> <xsd:any processContents="lax" /> </xsd:sequence> <xsd:attribute name="mono" type="xsd:string" use="required" /> <xsd:attribute name="dynamic" type="xsd:string" use="required"/> </xsd:complexType> <xsd:complexType name="Field"> <xsd:sequence> <xsd:element name="META" type="MetaTag" minOccurs="1" /> <xsd:element name="VALUEs"> <xsd:complexType> <xsd:sequence> <xsd:any processContents="lax" /> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:sequence> <xsd:attribute name="name" type="xsd:string" use="required"/> </xsd:complexType> </xsd:schema> And i just can't get it to work, i don't know how to handle the fact that a precise level of my nodes isn't clear, and the rest is. Would you help me please ? thx

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  • Enumerating a string

    - by JamesB
    I have a status which is stored as a string of a set length, either in a file or a database. I'm looking to enumerate the possible status' I have the following type to define the possible status' Type TStatus = (fsNormal = Ord('N'),fsEditedOnScreen = Ord('O'), fsMissing = Ord('M'),fsEstimated = Ord('E'),fsSuspect = Ord('s'), fsSuspectFromOnScreen = Ord('o'),fsSuspectMissing = Ord('m'), fsSuspectEstimated = Ord('e')); Firstly is this really a good idea? or should I have a seperate const array storing the char conversions? That would mean more than one place to update. Now convert a string to a status array I have the following, but how can I check if a char is valid without looping through the enumeration? Function StrToStatus(Value : String):TStatusArray; var i: Integer; begin if Trim(Value) = '' then begin SetLength(Result,0); Exit; end; SetLength(Result,Length(Value)); for i := 1 to Length(Value) do begin Result[i] := TStatus(Value[i]); // I don't think this line is safe. end; end; AFAIK this should be fine for converting back again. Function StatusToStr(Value : TStatusArray):String; var i: Integer; begin for i := 0 to Length(Value) - 1 do Result := Result + Chr(Ord(Value[i])) end; I'm using Delphi 2007

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  • PHP str_replace and preg_replace work on one server but not another

    - by retailevolved
    I have a simple function on a php page that takes a url such as: http://myurl.com/mypage.html?param1=value1 and converts it to: http://myurl.com/searchpage.html?param1=value1 All it does it swap out the page.html portion. To do this, I use the following: $currentUrl = $this-getCurrentUrl(); // Grabs the current url, i.e 'http://myurl.com/mypage.html?param1=value1' // Derive a search pattern from the current url $pattern = "/" . str_replace(array("/", ".", "-"), array("\\/", "\\.", "\\-"), $currentUrl) . "/"; // get rid of the 'mypage.html' $newUrl = preg_replace($pattern, 'http://myurl.com/', $currentUrl); // replace the question mark with the correct page $newUrl = str_replace("/?", "/searchpage.html?", $newUrl); The above code is not the exact code but is a good representation. It works beautifully on one server, but when I push to production, the preg_replace does not work. I originally attempted to use str_replace. It also works on my local development machine, but not on the production server. I have confirmed that the URL variables are coming in correctly. Any ideas?

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  • UICollectionViewCell imageView

    - by Flink
    Code works fine until I changed UIViewController with tableView to UICollectionViewController. Now all cells shows same image, sometimes it flipping to nil. However textLabels are OK. - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"TourGridCell"; TourGridCell *cell = (TourGridCell *)[collectionView dequeueReusableCellWithReuseIdentifier:CellIdentifier forIndexPath:indexPath]; Guide *guideRecord = [self.fetchedResultsController objectAtIndexPath:indexPath]; cell.titleLabel.text = [guideRecord.name uppercaseString]; cell.titleLabel.backgroundColor = [UIColor clearColor]; if ([guideRecord.sights count] > 0) { if ([[guideRecord.sights objectAtIndex:0]valueForKey:@"thumbnail"]) { cell.imageView.image = [UIImage drawImage:[[guideRecord.sights objectAtIndex:0]valueForKey:@"thumbnail"] inImage:[UIImage imageNamed:@"MultiplePhotos"] inRect:CGRectMake(11, 11, 63, 63)]; }else { cell.imageView.image = [UIImage imageNamed:@"placeholder2"]; } NSMutableString *sightsSummary = [NSMutableString stringWithCapacity:[guideRecord.sights count]]; for (Sight *sight in guideRecord.sights) { if ([sight.name length]) { if ([sightsSummary length]) { [sightsSummary appendString:@", "]; } [sightsSummary appendString:sight.name]; } } if ([sightsSummary length]) { [sightsSummary appendString:@"."]; } cell.sightsTextLabel.text = sightsSummary; cell.detailTextLabel.text = [NSString stringWithFormat:NSLocalizedString(@"%i", nil) , [guideRecord.sights count]]; cell.detailTextLabel.hidden = NO; // cell.textLabel.alpha = 0.7; NSPredicate *enabledSightPredicate = [NSPredicate predicateWithFormat:@"notify == YES"]; NSArray *sightsEnabled = [[[guideRecord.sights array] filteredArrayUsingPredicate:enabledSightPredicate]mutableCopy]; NSPredicate *visitedSightPredicate = [NSPredicate predicateWithFormat:@"visited == YES"]; NSArray *sightsVisited = [[[guideRecord.sights array] filteredArrayUsingPredicate:visitedSightPredicate]mutableCopy]; if ([sightsEnabled count] > 0) { NSLog(@"green_badge"); cell.notifyIV.image = [UIImage imageNamed:@"green_badge"]; } else if (sightsVisited.count == 0) { NSLog(@"new_badge"); cell.notifyIV.image = [UIImage imageNamed:@"new_badge"]; } else { cell.notifyIV.image = nil; } } else { cell.notifyIV.hidden = YES; // cell.textLabel.textColor = RGB(0, 50, 140); cell.detailTextLabel.hidden = YES; cell.sightsTextLabel.text = nil; } return cell; }

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  • Windows 2008 IIS 7 PHP Caching / Blank Page Problems?

    - by darkAsPitch
    I don't even know how to explain this. The only thing I can think is 'why am I working with a windows server?' I am renting a dedicated 1and1 server - I installed PHP myself - with fast CGI and caching (pretty sure I checked OK on something about dynamic caching for PHP when I installed it.) Every few hours of intensive php processing - my pages start locking up - usually just showing blank pages - with no errors whatsoever. Just now, I checked a page - let's call it a.php - and it was showing the results of b.php - I thought I had been hacked! Simply restarting the IIS server however, fixes the problem. Any ideas / help / knowledge on similar problems with windows 2008?

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  • Precision error on matrix multiplication

    - by Wam
    Hello all, Coding a matrix multiplication in my program, I get precision errors (inaccurate results for large matrices). Here's my code. The current object has data stored in a flattened array, row after row. Other matrix B has data stored in a flattened array, column after column (so I can use pointer arithmetic). protected double[,] multiply (IMatrix B) { int columns = B.columns; int rows = Rows; int size = Columns; double[,] result = new double[rows,columns]; for (int row = 0; row < rows; row++) { for (int col = 0; col < columns; col++) { unsafe { fixed (float* ptrThis = data) fixed (float* ptrB = B.Data) { float* mePtr = ptrThis + row*rows; float* bPtr = ptrB + col*columns; double value = 0.0; for (int i = 0; i < size; i++) { value += *(mePtr++) * *(bPtr++); } result[row, col] = value; } } } } } Actually, the code is a bit more complicated : I do the multiply thing for several chunks (so instead of having i from 0 to size, I go from localStart to localStop), then sum up the resulting matrices. My problem : for a big matrix I get precision error : NUnit.Framework.AssertionException: Error at (0,1) expected: <6.4209571409444209E+18> but was: <6.4207619776304906E+18> Any idea ?

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  • Warning in image_graphviz

    - by garcon1986
    Hello, I have got a warning in image_graphviz, i have viewed a post, who has a similar error. I have installed pear image_graphviz package(Image_GraphViz-1.2.1), I also installed graphviz.msi(Graphviz2.25.msi) in windows(But i don't know if does something with image_graphviz and if it does have some effects when i use image_graphviz). Do i need to do something else? Here is my code from pear image_graphviz site. <?php require_once 'Image/GraphViz.php'; error_reporting(E_ALL ^ E_NOTICE); //Added E_NOTICE $gv = new Image_GraphViz(); $gv->addEdge(array('wake up' => 'visit bathroom')); $gv->addEdge(array('visit bathroom' => 'make coffee')); $gv->image(); ?> This is the warning: Warning: fopen(C:\WINDOWS\Temp\gra50.tmp.svg) [function.fopen]: failed to open stream: No such file or directory in C:\wamp\bin\php\php5.3.0\PEAR\Image\GraphViz.php on line 210 Notice: Undefined variable: data in C:\wamp\bin\php\php5.3.0\PEAR\Image\GraphViz.php on line 218 Thanks Pekka Gaiser, I used error_reporting(E_ALL ^ E_NOTICE);. I don't know how to change the temp directory, but c:/windows/temp exists in my computer. I haven't solve the problem. Thanks all for advice.

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  • Why does WebDAV fail from inside home network

    - by Claus
    On my OSX server there is a folder that is configured in the Server App to be accessible via WebDAV. This folder is used to sync OmniFocus. On my router, I have set up a dynamic dns. When I am outside my home network (physically away or when connected via a vpn), I can connect and sync fine via: https://<server name from dyndns>/<username>/<path to WebDAV folder> However, when I am in my home network, the connection to WebDAV does not work (other connections, AFP, f.ex, do work). What could be some reasons why I can't connect to WebDAV from within my home network? What log files could give hints and where are they stored? I am running OSX server 10.9.3. and server.app. Thanks for your help.

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  • WCF service with PHP client - complex type as parameter not working

    - by Matt F
    Hi, I have a WCF service with three methods. Two of the methods return custom types (these work as expected), and the third method takes a custom type as a parameter and returns a boolean. When calling the third method via a PHP soap client it returns an 'Object reference not set to an instance of an object' exception. Example Custom Type: _ Public Class MyClass Private _propertyA As Double <DataMember()> _ Public Property PropertyA() As Double Get Return _propertyA End Get Set(ByVal value As Double) _propertyA = value End Set End Property Private _propertyB As Double <DataMember()> _ Public Property PropertyB() As Double Get Return _propertyB End Get Set(ByVal value As Double) _propertyB = value End Set End Property Private _propertyC As Date <DataMember()> _ Public Property PropertyC() As Date Get Return _propertyC End Get Set(ByVal value As Date) _propertyC = value End Set End Property End Class Method: Public Function Add(ByVal param As MyClass) As Boolean Implements IService1.Add ' ... End Function PHP client call: $client-Add(array('param'=array( 'PropertyA' = 1, 'PropertyB' = 2, 'PropertyC' = "2009-01-01" ))); The WCF service works fine with a .Net client but I'm new to PHP and can't get this to work. Is it possible to create an instance of 'MyClass' in PHP. Any help would be appreciated. Note: I'm using PHP 5 (XAMPP 1.7.0 for Windows). Thanks Matt

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  • Putting a C++ Vector as a Member in a Class that Uses a Memory Pool

    - by Deep-B
    Hey, I've been writing a multi-threaded DLL for database access using ADO/ODBC for use with a legacy application. I need to keep multiple database connections for each thread, so I've put the ADO objects for each connection in an object and thinking of keeping an array of them inside a custom threadInfo object. Obviously a vector would serve better here - I need to delete/rearrange objects on the go and a vector would simplify that. Problem is, I'm allocating a heap for each thread to avoid heap contention and stuff and allocating all my memory from there. So my question is: how do I make the vector allocate from the thread-specific heap? (Or would it know internally to allocate memory from the same heap as its wrapper class - sounds unlikely, but I'm not a C++ guy) I've googled a bit and it looks like I might need to write an allocator or something - which looks like so much of work I don't want. Is there any other way? I've heard vector uses placement-new for all its stuff inside, so can overloading operator new be worked into it? My scant knowledge of the insides of C++ doesn't help, seeing as I'm mainly a C programmer (even that - relatively). It's very possible I'm missing something elementary somewhere. If nothing easier comes up - I might just go and do the array thing, but hopefully it won't come to that. I'm using MS-VC++ 6.0 (hey, it's rude to laugh! :-P ). Any/all help will be much appreciated.

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