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  • Delete Duplicate records from large csv file C# .Net

    - by Sandhurst
    I have created a solution which read a large csv file currently 20-30 mb in size, I have tried to delete the duplicate rows based on certain column values that the user chooses at run time using the usual technique of finding duplicate rows but its so slow that it seems the program is not working at all. What other technique can be applied to remove duplicate records from a csv file Here's the code, definitely I am doing something wrong DataTable dtCSV = ReadCsv(file, columns); //columns is a list of string List column DataTable dt=RemoveDuplicateRecords(dtCSV, columns); private DataTable RemoveDuplicateRecords(DataTable dtCSV, List<string> columns) { DataView dv = dtCSV.DefaultView; string RowFilter=string.Empty; if(dt==null) dt = dv.ToTable().Clone(); DataRow row = dtCSV.Rows[0]; foreach (DataRow row in dtCSV.Rows) { try { RowFilter = string.Empty; foreach (string column in columns) { string col = column; RowFilter += "[" + col + "]" + "='" + row[col].ToString().Replace("'","''") + "' and "; } RowFilter = RowFilter.Substring(0, RowFilter.Length - 4); dv.RowFilter = RowFilter; DataRow dr = dt.NewRow(); bool result = RowExists(dt, RowFilter); if (!result) { dr.ItemArray = dv.ToTable().Rows[0].ItemArray; dt.Rows.Add(dr); } } catch (Exception ex) { } } return dt; }

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  • How does the PHP IteratorIterator class work?

    - by WilliamMartin
    Try as I might I cannot get my head around what the IteratorIterator class actually does. I understand that classes can implement Traversable so the engine knows it can loop using foreach and I realise that IteratorIterator is supposed to convert anything that is Traversable into an Iterator but I cannot for the life of me understand how. Take for example, the PDOStatement class; how would the standard Iterator methods (next, key, rewind, etc) be implemented to allow iteration over a PDOStatement? Sorry if my question is unclear, I am just struggling to grasp the exact reason for this class and the documentation on it is scant. Thanks, Will Update: Going through the phpt files, I found one test which uses IteratorIterator: <?php $root = simplexml_load_string('<?xml version="1.0"?> <root> <child>Hello</child> <child>World</child> </root> '); foreach (new IteratorIterator($root->child) as $child) { echo $child."\n"; } ?> The expected output is: Hello World I don't really follow how the IteratorIterator construct takes $root-child as an argument and how it manages to iterate over the child elements.

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  • Deselect dates in ASP.NET Calendar Control

    - by yomismo
    I'm trying to select and de-select dates on a C# Web Calendar control. The problem I have is that I can select or deselect dates except when there is only a single date selected. Clicking on it does not trigger the selection changed event, so Ineed to do something on the dayrender event but I'm not sure what or how. Edit: Added the Pre_Render event code. This seems to work now, however it seems a little bit erratic,e.g. select date A : OK Select date B :OK deselect them both: OK select date A: Does not work, need to select it twice deselect date A : Ok Select Date C: dates A and c are selected @John Yes, I am aware that the control is part of the .NET 2.0 framework and nothing to do with C# per se. Code so far: public static List<DateTime> list = new List<DateTime>(); protected void Calendar1_DayRender(object sender, DayRenderEventArgs e) { if (e.Day.IsSelected == true) { list.Add(e.Day.Date); } Session["SelectedDates"] = list; } protected void Calendar1_SelectionChanged(object sender, EventArgs e) { DateTime selection = Calendar1.SelectedDate; if (Session["SelectedDates"] != null) { List<DateTime> newList = (List<DateTime>)Session["SelectedDates"]; foreach (DateTime dt in newList) { Calendar1.SelectedDates.Add(dt); } if (searchdate(selection, newList)) { Calendar1.SelectedDates.Remove(selection); } list.Clear(); } } public bool searchdate(DateTime date, List<DateTime> dates) { var query = from o in dates where o.Date == date select o; if (query.ToList().Count == 0) { return false; } else { return true; } } protected void Calendar1_PreRender(object sender, EventArgs e) { if (Calendar1.SelectedDates.Count == 1) { foreach (DateTime dt in list) { if (searchdate(dt, list) && list.Count == 1) { Calendar1.SelectedDates.Clear(); break; } } } }

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  • RavenDB Ids and ASP.NET MVC3 Routes

    - by goober
    Hey all, Just building a quick, simple site with MVC 3 RC2 and RavenDB to test some things out. I've been able to make a bunch of projects, but I'm curious as to how Html.ActionLink() handles a raven DB ID. My example: I have a Document called "reasons" (a reason for something, just text mostly), which has reason text and a list of links. I can add, remove, and do everything else fine via my repository. Below is the part of my razor view that lists each reason in a bulleted list, with an Edit link as the first text: @foreach(var Reason in ViewBag.ReasonsList) { <li>@Html.ActionLink("Edit", "Reasons", "Edit", new { id = Reason.Id }, null) @Reason.ReasonText</li> <ul> @foreach (var reasonlink in Reason.ReasonLinks) { <li><a href="@reasonlink.URL">@reasonlink.URL</a></li> } </ul> } The Problem This works fine, except for the edit link. While the values and code here appear to work directly (i.e the link is firing directly), RavenDB saves my document's ID as "reasons/1". So, when the URL happens and it passes the ID, the resulting route is "http://localhost:4976/Reasons/Edit/reasons/2". So, the ID is appended correctly, but MVC is interpreting it as its own route. Any suggestions on how I might be able to get around this? Do I need to create a special route to handle it or is there something else I can do?

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  • Handle order dependence in loops

    - by Matt
    Hey all, I'm making a templating system where I instantiate each tag using a foreach loop. The issue is that some of the tags rely on each other so, I'm wondering how to get around that ordering from the looping. Here's an example: Class A { public $width; __construct() { $this->width = $B->width; // Undefined! Or atleast not set yet.. } } Class B { public $width; __construct() { $this->width = "500px"; } __tostring() { return "Hello World!"; } } Template.php $tags = array("A", "B"); foreach ($tags as $tag) { $TagObj[$tag] = new $tag(); } echo $TagObj['A']->width; // Nadamundo! EDIT: Ok just to clarify.. My main problem is that Class A relies on Class B, but class A is instantiated before class B, so therefore width has not yet been defined in class B. I am looking for a good way to make sure all the classes are loaded for everyone allowing the interdependencies to exist. For the future, please don't consider any syntax errors.. I just made up this example on the spot. Also assume that I have access to class B from class A after class B gets instantiated. I know this has applications elsewhere and I'm sure this has been solved before, if someone could enlighten me or point me in the right direction that'd be great! Thanks! Matt Mueler

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  • Display all the options if nothing is selected

    - by Levani
    I have four level connected dropdown boxes. I can choose something from second dropdown only after I select something from the first one. The third dropdown is also depended on second one and so on. I need to make selection available in second, third and fourth dropdown, even if there isn't selected anything in previous dropdown, but if the selection is made behave as it behaves now. Am I clear? Here is the code: <table width="100%" border="0" cellspacing="1" cellpadding="4"> <!-- *********************** Countries *********************** --> <tr> <td style="width:150px"><?php if($eaconf->ea_loc_srchtype==0) echo "<b>".JText::_('EA_SRCH_STEP')."</b> 1: ";?><?php echo JText::_('EA_OBJ_COUNTRY'); ?></td> <td > <?php $countrylist[] = JHTML::_('select.option', 'no', JText::_('EA_NOT_SELECTED')); $x=0; foreach($countries as $c){ $countrylist[] = JHTML::_('select.option', $c ,JText::_($countrynames[$x])); $x++; } if($eaconf->ea_loc_srchtype==0){ $countrys['src_country'] = JHTML::_('select.genericlist', $countrylist,'src_country',' class="inputbox" style="width:140px" onChange="setStates(this.selectedIndex-1)"', 'value', 'text','0' ); }else{ $countrys['src_country'] = JHTML::_('select.genericlist', $countrylist,'src_country',' class="inputbox" style="width:140px" ', 'value', 'text','0' ); } ?> <?php echo $countrys['src_country'];?> </td> </tr> <!-- *********************** States *********************** --> <tr> <td ><?php if($eaconf->ea_loc_srchtype==0) echo "<b>".JText::_('EA_SRCH_STEP')."</b> 2: ";?><?php echo JText::_('EA_OBJ_STATE'); ?></td> <td > <?php $statelist[] = JHTML::_('select.option', 'no', JText::_('EA_NOT_SELECTED')); foreach($stateslist as $s){ $statelist[] = JHTML::_('select.option', $s ,JText::_($s)); } if($eaconf->ea_loc_srchtype==0){ $thestates['src_state'] = JHTML::_('select.genericlist', $statelist,'src_state',' class="inputbox" style="width:140px" onChange="setDistricts(this.selectedIndex-1)"', 'value', 'text','0' ); }else{ $thestates['src_state'] = JHTML::_('select.genericlist', $statelist,'src_state',' class="inputbox" style="width:140px" ', 'value', 'text','0' ); } ?> <?php echo $thestates['src_state'];?> </td> </tr> <!-- *********************** Districts ******************** --> <tr> <td > <?php if($eaconf->ea_loc_srchtype==0) echo "<b>".JText::_('EA_SRCH_STEP')."</b> 3: ";?><?php echo JText::_('EA_OBJ_DISTRICT'); ?> </td> <td > <?php $districtlist[] = JHTML::_('select.option', 'no',JText::_('EA_NOT_SELECTED')); foreach($districtslist as $dist){ $districtlist[] = JHTML::_('select.option', $dist ,JText::_($dist)); } if($eaconf->ea_loc_srchtype==0){ $thedistrict['src_district'] = JHTML::_('select.genericlist', $districtlist,'src_district',' class="inputbox" style="width:140px" onChange="setTowns(this.selectedIndex-1)"', 'value', 'text','0' ); }else{ $thedistrict['src_district'] = JHTML::_('select.genericlist', $districtlist,'src_district',' class="inputbox" style="width:140px" ', 'value', 'text','0' ); } ?> <?php echo $thedistrict['src_district'];?> </td> </tr> <!-- *********************** Towns ************************* --> <tr> <td ><?php if($eaconf->ea_loc_srchtype==0) echo "<b>".JText::_('EA_SRCH_STEP')."</b> 4: ";?><?php echo JText::_('EA_OBJ_TOWN'); ?></td> <td > <?php $townlist[] = JHTML::_('select.option', 'no',JText::_('EA_NOT_SELECTED')); foreach($townslist as $town){ $townlist[] = JHTML::_('select.option', $town ,JText::_($town)); } if($eaconf->ea_loc_srchtype==0){ $towns['src_town'] = JHTML::_('select.genericlist', $townlist,'src_town',' class="inputbox" style="width:140px" ', 'value', 'text','0' ); }else{ $towns['src_town'] = JHTML::_('select.genericlist', $townlist,'src_town',' class="inputbox" style="width:140px" ', 'value', 'text','0' ); } ?> <?php echo $towns['src_town'];?> </td> </tr> </table> And the javascript: function setStates(scountry) { sel_state = document.easearch.elements["src_state"]; sel_town = document.easearch.elements["src_town"]; sel_district = document.easearch.elements["src_district"]; empty("src_state"); if(scountry=='no') { new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_state.options.length; sel_state.options[new_opt] = new_entry; sel_state.options[new_opt].value = "no"; sel_state.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; empty("src_district"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = "no"; sel_district.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; empty("src_town"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; } else{ new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_state.options.length; sel_state.options[new_opt] = new_entry; sel_state.options[new_opt].value = "no"; sel_state.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; for (x=0;x<States[scountry].length;x++ ){ new_entry = new Option(States[scountry][x]); new_opt = sel_state.options.length; sel_state.options[new_opt] = new_entry; sel_state.options[new_opt].value = x; sel_state.options[new_opt].text = States[scountry][x]; } empty("src_district"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = "no"; sel_district.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; empty("src_town"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; } } function setDistricts(sstate) { scountry = document.easearch.src_country.selectedIndex-1; // sstate = document.easearch.src_state.value; sel_district = document.easearch.elements["src_district"]; empty("src_district"); if(sstate=='no') { new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = "no"; sel_district.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; empty("src_town"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; } else{ new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = "no"; sel_district.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; for (x=0;x<Districts[scountry][sstate].length;x++ ){ new_entry = new Option(Districts[scountry][sstate][x]); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = x; sel_district.options[new_opt].text = Districts[scountry][sstate][x]; } empty("src_town"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; } } function setTowns(sdistrict) { scountry = document.easearch.src_country.selectedIndex-1; sstate = document.easearch.src_state.value; sel_town = document.easearch.elements["src_town"]; sel_district = document.easearch.elements["src_district"]; empty("src_town"); if(sdistrict=='no') { new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; empty("src_district"); new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_district.options.length; sel_district.options[new_opt] = new_entry; sel_district.options[new_opt].value = "no"; sel_district.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; } else{ new_entry = new Option("<?php echo JText::_('EA_NOT_SELECTED');?>"); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = "no"; sel_town.options[new_opt].text = "<?php echo JText::_('EA_NOT_SELECTED');?>"; for (x=0;x<Towns[scountry][sstate][sdistrict].length;x++ ){ new_entry = new Option(Towns[scountry][sstate][sdistrict][x]); new_opt = sel_town.options.length; sel_town.options[new_opt] = new_entry; sel_town.options[new_opt].value = x; sel_town.options[new_opt].text = Towns[scountry][sstate][sdistrict][x]; } } } function empty(field) { document.easearch.elements[field].options.length = 0; }

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  • PHP: Need help with simple XML

    - by Jack
    I am beginner in PHP. I am trying to parse this xml file. <relationship> <target> <following type="boolean">true</following> <followed_by type="boolean">true</followed_by> <screen_name>xxxx</screen_name> <id type="integer">xxxx</id> </target> <source> <notifications_enabled nil="true"/> <following type="boolean">true</following> <blocking nil="true"/> <followed_by type="boolean">true</followed_by> <screen_name>xxxx</screen_name> <id type="integer">xxxxx</id> </source> </relationship> I need to get the value of the field 'following type="boolean" ' for the target and here's my code - $xml = simplexml_load_string($response); foreach($xml->children() as $child) { if ($child->getName() == 'target') { foreach($child->children() as $child_1) if ( $child_1->getName() == 'following') { $is_my_friend = (bool)$child_1; break; } break; } } but I am not getting the correct output. I think the ' type="boolean" ' part of the field is creating problems. Please help.

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  • Windows-1251 file inside UTF-8 site?

    - by Spoonk
    Hello everyone Masters Of Web Delevopment :) I have a piece of PHP script that fetches last 10 played songs from my winamp. This script is inside file (lets call it "lastplayed.php") which is included in my site with php include function inside a "div". My site is on UTF-8 encoding. The problem is that some songs titles are in Windows-1251 encoding. And in my site they displays like "??????"... Is there any known way to tell to this div with included "lastplayed.php" in it, to be with windows-1251 encoding? Or any other suggestions? P.S: The file with fetching script a.k.a. "lastplayed.php", is converted to UTF-8. But if it is ANCII it's the same result. I try to put and meta tag with windows-1251 between head tag but nothing happens again. P.P.S: Script that fetches the Winamp's data (lastplayed.php): <?php /****** * You may use and/or modify this script as long as you: * 1. Keep my name & webpage mentioned * 2. Don't use it for commercial purposes * * If you want to use this script without complying to the rules above, please contact me first at: [email protected] * * Author: Martijn Korse * Website: http://devshed.excudo.net * * Date: 08-05-2006 ***/ /** * version 2.0 */ class Radio { var $fields = array(); var $fieldsDefaults = array("Server Status", "Stream Status", "Listener Peak", "Average Listen Time", "Stream Title", "Content Type", "Stream Genre", "Stream URL", "Current Song"); var $very_first_str; var $domain, $port, $path; var $errno, $errstr; var $trackLists = array(); var $isShoutcast; var $nonShoutcastData = array( "Server Status" => "n/a", "Stream Status" => "n/a", "Listener Peak" => "n/a", "Average Listen Time" => "n/a", "Stream Title" => "n/a", "Content Type" => "n/a", "Stream Genre" => "n/a", "Stream URL" => "n/a", "Stream AIM" => "n/a", "Stream IRC" => "n/a", "Current Song" => "n/a" ); var $altServer = False; function Radio($url) { $parsed_url = parse_url($url); $this->domain = isset($parsed_url['host']) ? $parsed_url['host'] : ""; $this->port = !isset($parsed_url['port']) || empty($parsed_url['port']) ? "80" : $parsed_url['port']; $this->path = empty($parsed_url['path']) ? "/" : $parsed_url['path']; if (empty($this->domain)) { $this->domain = $this->path; $this->path = ""; } $this->setOffset("Current Stream Information"); $this->setFields(); // setting default fields $this->setTableStart("<table border=0 cellpadding=2 cellspacing=2>"); $this->setTableEnd("</table>"); } function setFields($array=False) { if (!$array) $this->fields = $this->fieldsDefaults; else $this->fields = $array; } function setOffset($string) { $this->very_first_str = $string; } function setTableStart($string) { $this->tableStart = $string; } function setTableEnd($string) { $this->tableEnd = $string; } function getHTML($page=False) { if (!$page) $page = $this->path; $contents = ""; $domain = (substr($this->domain, 0, 7) == "http://") ? substr($this->domain, 7) : $this->domain; if (@$fp = fsockopen($domain, $this->port, $this->errno, $this->errstr, 2)) { fputs($fp, "GET ".$page." HTTP/1.1\r\n". "User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows 98)\r\n". "Accept: */*\r\n". "Host: ".$domain."\r\n\r\n"); $c = 0; while (!feof($fp) && $c <= 20) { $contents .= fgets($fp, 4096); $c++; } fclose ($fp); preg_match("/(Content-Type:)(.*)/i", $contents, $matches); if (count($matches) > 0) { $contentType = trim($matches[2]); if ($contentType == "text/html") { $this->isShoutcast = True; return $contents; } else { $this->isShoutcast = False; $htmlContent = substr($contents, 0, strpos($contents, "\r\n\r\n")); $dataStr = str_replace("\r", "\n", str_replace("\r\n", "\n", $contents)); $lines = explode("\n", $dataStr); foreach ($lines AS $line) { if ($dp = strpos($line, ":")) { $key = substr($line, 0, $dp); $value = trim(substr($line, ($dp+1))); if (preg_match("/genre/i", $key)) $this->nonShoutcastData['Stream Genre'] = $value; if (preg_match("/name/i", $key)) $this->nonShoutcastData['Stream Title'] = $value; if (preg_match("/url/i", $key)) $this->nonShoutcastData['Stream URL'] = $value; if (preg_match("/content-type/i", $key)) $this->nonShoutcastData['Content Type'] = $value; if (preg_match("/icy-br/i", $key)) $this->nonShoutcastData['Stream Status'] = "Stream is up at ".$value."kbps"; if (preg_match("/icy-notice2/i", $key)) { $this->nonShoutcastData['Server Status'] = "This is <span style=\"color: red;\">not</span> a Shoutcast server!"; if (preg_match("/ultravox/i", $value)) $this->nonShoutcastData['Server Status'] .= " But an <a href=\"http://ultravox.aol.com/\" target=\"_blank\">Ultravox</a> Server"; $this->altServer = $value; } } } return nl2br($htmlContent); } } else return $contents; } else { return False; } } function getServerInfo($display_array=null, $very_first_str=null) { if (!isset($display_array)) $display_array = $this->fields; if (!isset($very_first_str)) $very_first_str = $this->very_first_str; if ($html = $this->getHTML()) { // parsing the contents $data = array(); foreach ($display_array AS $key => $item) { if ($this->isShoutcast) { $very_first_pos = stripos($html, $very_first_str); $first_pos = stripos($html, $item, $very_first_pos); $line_start = strpos($html, "<td>", $first_pos); $line_end = strpos($html, "</td>", $line_start) + 4; $difference = $line_end - $line_start; $line = substr($html, $line_start, $difference); $data[$key] = strip_tags($line); } else { $data[$key] = $this->nonShoutcastData[$item]; } } return $data; } else { return $this->errstr." (".$this->errno.")"; } } function createHistoryArray($page) { if (!in_array($page, $this->trackLists)) { $this->trackLists[] = $page; if ($html = $this->getHTML($page)) { $fromPos = stripos($html, $this->tableStart); $toPos = stripos($html, $this->tableEnd, $fromPos); $tableData = substr($html, $fromPos, ($toPos-$fromPos)); $lines = explode("</tr><tr>", $tableData); $tracks = array(); $c = 0; foreach ($lines AS $line) { $info = explode ("</td><td>", $line); $time = trim(strip_tags($info[0])); if (substr($time, 0, 9) != "Copyright" && !preg_match("/Tag Loomis, Tom Pepper and Justin Frankel/i", $info[1])) { $this->tracks[$c]['time'] = $time; $this->tracks[$c++]['track'] = trim(strip_tags($info[1])); } } if (count($this->tracks) > 0) { unset($this->tracks[0]); if (isset($this->tracks[1])) $this->tracks[1]['track'] = str_replace("Current Song", "", $this->tracks[1]['track']); } } else { $this->tracks[0] = array("time"=>$this->errno, "track"=>$this->errstr); } } } function getHistoryArray($page="/played.html") { if (!in_array($page, $this->trackLists)) $this->createHistoryArray($page); return $this->tracks; } function getHistoryTable($page="/played.html", $trackColText=False, $class=False) { $title_utf8 = mb_convert_encoding($trackArr ,"utf-8" ,"auto"); if (!in_array($page, $this->trackLists)) $this->createHistoryArray($page); if ($trackColText) $output .= " <div class='lastplayed_top'></div> <div".($class ? " class=\"".$class."\"" : "").">"; foreach ($this->tracks AS $title_utf8) $output .= "<div style='padding:2px 0;'>".$title_utf8['track']."</div>"; $output .= "</div><div class='lastplayed_bottom'></div> <div class='lastplayed_title'>".$trackColText."</div> \n"; return $output; } } // this is needed for those with a php version < 5 // the function is copied from the user comments @ php.net (http://nl3.php.net/stripos) if (!function_exists("stripos")) { function stripos($haystack, $needle, $offset=0) { return strpos(strtoupper($haystack), strtoupper($needle), $offset); } } ?> And the calling script outside the lastplayed.php: include "lastplayed.php"; $radio = new Radio($ip.":".$port); echo $radio->getHistoryTable("/played.html", "<b>Last played:</b>", "lastplayed_content");

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  • How do I simulate "In" using Linq2Sql

    - by flipdoubt
    I often find myself with a list of disconnected Linq2Sql objects or keys that I need to re-select from a Linq2Sql data-context to update or delete in the database. If this were SQL, I would use IN in the SQL WHERE clause, but I am stuck with what to do in Linq2Sql. Here is a sample of what I would like to write: public void MarkValidated(IList<int> idsToValidate) { using(_Db.NewSession()) // Instatiates new DataContext { // ThatAreIn <- this is where I am stuck var items = _Db.Items.ThatAreIn(idsToValidate).ToList(); foreach(var item in items) item.Validated = DateTime.Now; _Db.SubmitChanges(); } // Disposes of DataContext } Or: public void DeleteItems(IList<int> idsToDelete) { using(_Db.NewSession()) // Instatiates new DataContext { // ThatAreIn <- this is where I am stuck var items = _Db.Items.ThatAreIn(idsToValidate); _Db.Items.DeleteAllOnSubmit(items); _Db.SubmitChanges(); } // Disposes of DataContext } Can I get this done in one trip to the database? If so, how? Is it possible to send all those ints to the database as a list of parameters and is that more efficient than doing a foreach over the list to select each item one at a time?

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  • Counting elements and reading attributes with .net2.0 ?

    - by Prix
    I have an application that is on .net 2.0 and I am having some difficult with it as I am more use to linq. The xml file look like this: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <updates> <files> <file url="files/filename.ext" checksum="06B9EEA618EEFF53D0E9B97C33C4D3DE3492E086" folder="bin" system="0" size="40448" /> <file url="files/filename.ext" checksum="CA8078D1FDCBD589D3769D293014154B8854D6A9" folder="" system="0" size="216" /> <file url="files/filename.ext" checksum="CA8078D1FDCBD589D3769D293014154B8854D6A9" folder="" system="0" size="216" /> </files> </updates> The file is downloaded and readed on the fly: XmlDocument readXML = new XmlDocument(); readXML.LoadXml(xmlData); Initially i was thinking it would go with something like this: XmlElement root = doc.DocumentElement; XmlNodeList nodes = root.SelectNodes("//files"); foreach (XmlNode node in nodes) { ... im reading it ... } But before reading them I need to know how many they are to use on my progress bar and I am also clueless on how to grab the attribute of the file element in this case. How could I count how many "file" ELEMENTS I have (count them before entering the foreach ofc) and read their attributes ? I need the count because it will be used to update the progress bar. Overall it is not reading my xml very well.

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  • PHP DOMDocument Error Handling Problem

    - by Jon
    I'm having trouble trying to write an if statement for DOM that will check if $html is blank. However whenever the html page does end up blank, it just removes everything that would be below DOM (including what I had to check if it was blank). $html = file_get_contents("http://example.com/"); $dom = new DOMDocument; @$dom->loadHTML($html); $links = $dom->getElementById('dividhere')->getElementsByTagName('img'); foreach ($links as $link) { echo $link->getAttribute('src'); } All this does is grab an image url in the specified div, which works perfectly until the page is a blank html page. I've tried using SimpleHTMLDOM, which didn't work either (it didn't even fetch the image on working pages). Did I happen to miss something with this one or am I just missing something in both? include_once('simple_html_dom.php') $html = file_get_html("http://example.com/"); foreach($html->find('div[id="dividhere"]') as $div) { if(empty($div->src)) { continue; } echo $div->src; }

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  • Javascript Reference Outer Object From Inner Object

    - by Akidi
    Okay, I see a few references given for Java, but not javascript ( which hopefully you know is completely different ). So here's the code specific : function Sandbox() { var args = Array.prototype.slice.call(arguments) , callback = args.pop() , modules = (args[0] && typeof args[0] === 'string' ? args : args[0]) , i; if (!(this instanceof Sandbox)) { return new Sandbox(modules, callback); } if (!modules || modules[0] === '*') { modules = []; for (i in Sandbox.modules) { if (Sandbox.modules.hasOwnProperty(i)) { modules.push(i); } } } for (i = 0; i < modules.length; i++) { Sandbox.modules[modules[i]](this); } this.core = { 'exp': { 'classParser': function (name) { return (new RegExp("(^| )" + name + "( |$)")); }, 'getParser': /^(#|\.)?([\w\-]+)$/ }, 'typeOf': typeOf, 'hasOwnProperty': function (obj, prop) { return obj.hasOwnProperty(prop); }, 'forEach': function (arr, fn, scope) { scope = scope || config.win; for (var i = 0, j = arr.length; i < j; i++) { fn.call(scope, arr[i], i, arr); } } }; this.config = { 'win' : win, 'doc' : doc }; callback(this); } How do I access this.config.win from within this.core.forEach? Or is this not possible?

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  • Using file() incrementally?

    - by NeedBeerStat
    I'm not sure if this is possible, I've been googling for a solution... But, essentially, I have a very large file, the lines of which I want to store in an array. Thus, I'm using file(), but is there a way to do that in batches? So that every,say, 100 lines it creates, it "pauses"? I think there's likely to be something I can do with a foreach loop or something, but I'm not sure that I'm thinking about it the right way... Like $i=0; $j=0; $throttle=100; foreach($files as $k => $v) { if($i < $j+$throttle && $i > $j) { $lines[] = file($v); //Do some other stuff, like importing into a db } $i++; $j++; } But, I think that won't really work because $i & $j will always be equal... Anyway, feeling muddled... Can someone help me think a lil' clearer?

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  • Smarty multiple random numbers list

    - by Heinrich
    Hey Stackoverflow-Folks, is there any smart way to post random numbers (e.g. 1-4) in a list by using the smarty tpl-engine? standart list sorted 1-5: <ul> <li>1</li> <li>2</li> <li>3</li> <li>4</li> <li>5</li> </ul> Here's my solution (PHP): <ul> {foreach from=randomNumbers} <li>{smarty.randomNumbers}</li> {/foreach} </ul> modified list sorted 1-5 (random): <ul> <li>3</li> <li>2</li> <li>5</li> <li>1</li> <li>4</li> </ul> I've really tested nearly everything, but I do only need a smart & small solution for this :-) Kind Regards, Heinrich

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  • Pass the values from ListView control to text boxes in c#

    - by Kumu
    private void deleteDisplayGamesButton_Click(object sender, EventArgs e) { //Game game = new Game(homeTeamComboBox.Text, int.Parse(homeScoreUpDown.Value.ToString()), awayTeamComboBox.Text, int.Parse(awayScoreUpDown.Value.ToString())); deleteDisplayGamesListView.Items.Clear(); deleteDisplayGamesListView.View = View.Details; foreach (Game currentgame in footballLeagueDatabase.games) { ListViewItem row = new ListViewItem(); row.SubItems.Add(currentgame.HomeTeam.ToString()); row.SubItems.Add(currentgame.HomeScore.ToString()); row.SubItems.Add(currentgame.AwayTeam.ToString()); row.SubItems.Add(currentgame.AwayScore.ToString()); deleteDisplayGamesListView.Items.Add(row); } } I need to pass the values from above ListView control to following text boxes when I use the deleteDisplayGamesListView_SelectedIndexChanged method. private void deleteDisplayGamesListView_SelectedIndexChanged(object sender, EventArgs e) { deleteModifyHomeTeamTxt.Text = ""; deleteModifyHomeScoreUpDown.Text = ""; deleteModifyAwayTeamTxt.Text = ""; deleteModifyAwayScoreUpDown.Text = ""; foreach (Game currentgame in footballLeagueDatabase.games); { ?----------------------------- } } Futhermore I need to clear this data from the ListView Control. If you know how to do this please let me know.

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  • How can I diagnose "Cannot determine peer address" in my Perl TCP script?

    - by MadBoy
    I've this little script which does it's job pretty well but sometimes it tends to fail. It fails in 2 cases: with error send: Cannot determine peer address at ./tcp-new.pl line 52 with no output or anything, it just fails to deliver what it got to connected Tcp Client. Usually it happens after I disconnect from server, go home and connect it again. To fix this restart is required and it starts working. Sometimes this problem is followed by problem mentioned in point 1. Note: it's not problem when I disconnect and reconnect to it again within short amount of time (unless error nr 1 happens). So can anyone help me make this code be a bit more stable so I don't have to restart it every day? #!/usr/bin/perl use strict; use warnings; use IO::Socket; use IO::Select; my $tcp_port = "10008"; my $udp_port = "2099"; my $tcp_socket = IO::Socket::INET->new( Listen => SOMAXCONN, LocalPort => $tcp_port, Proto => 'tcp', ReuseAddr => 1, ); my $udp_socket = IO::Socket::INET->new( LocalPort => $udp_port, Proto => 'udp', ); my $read_select = IO::Select->new(); my $write_select = IO::Select->new(); $read_select->add($tcp_socket); $read_select->add($udp_socket); while (1) { my @read = $read_select->can_read(); foreach my $read (@read) { if ($read == $tcp_socket) { my $new_tcp = $read->accept(); $write_select->add($new_tcp); } elsif ($read == $udp_socket) { my $recv_buffer; $udp_socket->recv($recv_buffer, 1024, undef); my @write = $write_select->can_write(); foreach my $write (@write) { $write->send($recv_buffer); } } } }

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  • how to get jquery.couch.app.js to work with IE8

    - by fuzzy lollipop
    I have tested this on Windows XP SP3 and Windows 7 Ultimate in IE7 and IE8 (in all compatiblity modes) and it fails the same way on both. I am running the latest HEAD from the the couchapp repository. This works fine on my OSX 10.6.3 development machine. I have tested with Chrome 4.1.249.1064 (45376) and Firefox 3.6 and they both work fine. As do the Safari 4 and Firefox 3.6 on OSX 10.6.3 Here is the error message Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0) Timestamp: Wed, 28 Apr 2010 03:32:55 UTC Message: Object doesn't support this property or method Line: 159 Char: 7 Code: 0 URI: http://192.168.0.105:5984/test/_design/test/vendor/couchapp/jquery.couch.app.js and here is the "offending" bit of code, which works on Chrome, Firefox and Safari just fine. If says the failure is on the like that qs.forEach() from the file jquery.couch.app.js 157 var qs = document.location.search.replace(/^\?/,'').split('&'); 158 var q = {}; 159 qs.forEach(function(param) { 160 var ps = param.split('='); 161 var k = decodeURIComponent(ps[0]); 162 var v = decodeURIComponent(ps[1]); 163 if (["startkey", "endkey", "key"].indexOf(k) != -1) { 164 q[k] = JSON.parse(v); 165 } else { 166 q[k] = v; 167 } 168 });

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  • Serializing QGraphicsScene contents

    - by Rob
    I am using the Qt QGraphicsScene class, adding pre-defined items such as QGraphicsRectItem, QGraphicsLineItem, etc. and I want to serialize the scene contents to disk. However, the base QGraphicsItem class (that the other items I use derive from) doesn't support serialization so I need to roll my own code. The problem is that all access to these objects is via a base QGraphicsItem pointer, so the serialization code I have is horrible: QGraphicsScene* scene = new QGraphicsScene; scene->addRect(QRectF(0, 0, 100, 100)); scene->addLine(QLineF(0, 0, 100, 100)); ... QList<QGraphicsItem*> list = scene->items(); foreach (QGraphicsItem* item, items) { if (item->type() == QGraphicsRectItem::Type) { QGraphicsRectItem* rect = qgraphicsitem_cast<QGraphicsRectItem*>(item); // Access QGraphicsRectItem members here } else if (item->type() == QGraphicsLineItem::Type) { QGraphicsLineItem* line = qgraphicsitem_cast<QGraphicsLineItem*>(item); // Access QGraphicsLineItem members here } ... } This is not good code IMHO. So, instead I could create an ABC class like this: class Item { public: virtual void serialize(QDataStream& strm, int version) = 0; }; class Rect : public QGraphicsRectItem, public Item { public: void serialize(QDataStream& strm, int version) { // Serialize this object } ... }; I can then add Rect objects using QGraphicsScene::addItem(new Rect(,,,)); But this doesn't really help me as the following will crash: QList<QGraphicsItem*> list = scene->items(); foreach (QGraphicsItem* item, items) { Item* myitem = reinterpret_class<Item*>(item); myitem->serialize(...) // FAIL } Any way I can make this work?

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  • Zend_Db_Select: regrouping conditions in where clause

    - by pvledoux
    Hi, I would like to do something like this: $select = $myTbl->select() ->from('download_log') ->joinLeft(...... etc........ ->joinLeft(...... etc........ ->joinLeft(...... etc........); //Filter all configured bots (Google, Yahoo, etc.) if(isset($this->_config->statistics->bots)){ $bots = explode(',',$this->_config->statistics->bots); foreach ($bots as $bot){ $select = $select->orWhere("user_agent NOT LIKE '%$bot%'"); } } $select = $select->where("download_log.download_log_ts BETWEEN '".$start_date." 00:00:00' AND '".$end_date." 23:59:59'"); But the outputed query is not correct because of the orWhere clauses are not grouped together in a unique AND clause. I would like to know if it is possible to regrouped those OR clauses in a pair of parentheres. My current alternative is the following: //Filter all configured bots (Google, Yahoo, etc.) if(isset($this->_config->statistics->bots)){ $bots = explode(',',$this->_config->statistics->bots); foreach ($bots as $bot){ $stmt .= "user_agent NOT LIKE '%$bot%' OR "; } $stmt = substr($stmt,0,strlen($stmt)-3); //remove the last OR $select = $select->where("($stmt)"); } Thanks!

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  • Why "Not an ARRAY reference" error?

    - by Sandra Schlichting
    I have this script #!/usr/bin/perl use strict; use warnings; use yy; my $data = [ ["aax", "ert", "ddd"], ["asx", "eer", "kkk"], ["xkk", "fff", "lll"], ["xxj", "vtt", "lle"], ]; use Test::More tests => 4; is(yy::type1_to_type2(\$data, 'aax'), 'ert'); is(yy::type1_to_type3(\$data, 'asx'), 'kkk'); is(yy::type2_to_type3(\$data, 'fff'), 'lll'); is(yy::type3_to_type1(\$data, 'lle'), 'xxj'); which uses this module package yy; sub typeX_to_typeY { my ($x, $y, $data, $str) = @_; foreach (@$data) { if ($_->[$x - 1] eq $str) { return $_->[$y - 1]; } } return; } sub type1_to_type2 { typeX_to_typeY(1, 2, @_) } sub type1_to_type3 { typeX_to_typeY(1, 3, @_) } sub type2_to_type1 { typeX_to_typeY(2, 1, @_) } sub type2_to_type3 { typeX_to_typeY(2, 3, @_) } sub type3_to_type1 { typeX_to_typeY(3, 1, @_) } sub type3_to_type2 { typeX_to_typeY(3, 2, @_) } 1; and gives this error Not an ARRAY reference at yy.pm line 6. # Looks like your test died before it could output anything. The line it complains about is foreach (@$data) { Isn't this the way to pass an array reference? What am I doing wrong?

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  • How to check the backtrace of a "USER process" in the Linux Kernel Crash Dump

    - by Biswajit
    I was trying to debug a USER Process in Linux Crash Dump. The normal steps to go to the crash dump are: Go to the path where the dump is located. Use the command crash kernel_link dump.201104181135. Where kernel_link is a soft link I have created for vmlinux image. Now you will be in the CRASH prompt. If you run the command foreach <PID Of the process> bt Eg: crash> **foreach 6920 bt** **PID: 6920 TASK: ffff88013caaa800 CPU: 1 COMMAND: **"**climmon**"**** #0 [ffff88012d2cd9c8] **schedule** at ffffffff8130b76a #1 [ffff88012d2cdab0] **schedule_timeout** at ffffffff8130bbe7 #2 [ffff88012d2cdb50] **schedule_timeout_uninterruptible** at ffffffff8130bc2a #3 [ffff88012d2cdb60] **__alloc_pages_nodemask** at ffffffff810b9e45 #4 [ffff88012d2cdc60] **alloc_pages_curren**t at ffffffff810e1c8c #5 [ffff88012d2cdc90] **__page_cache_alloc** at ffffffff810b395a #6 [ffff88012d2cdcb0] **__do_page_cache_readahead** at ffffffff810bb592 #7 [ffff88012d2cdd30] **ra_submit** at ffffffff810bb6ba #8 [ffff88012d2cdd40] **filemap_fault** at ffffffff810b3e4e #9 [ffff88012d2cdda0] **__do_fault** at ffffffff810caa5f #10 [ffff88012d2cde50] **handle_mm_fault** at ffffffff810cce69 #11 [ffff88012d2cdf00] **do_page_fault** at ffffffff8130f560 #12 [ffff88012d2cdf50] **page_fault** at ffffffff8130d3f5 RIP: 00007fd02b7e9071 RSP: 0000000040e86ea0 RFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd02b7e9071 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040e86ec0 RBP: 0000000040e87140 R8: 0000000000000800 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff16ec43d0 R13: 00007fd02bcadf00 R14: 0000000040e87950 R15: 0000000000001000 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b If you check the above backtrace it shows the kernel functions used for scheduling/handling page fault but not the functions that were executed in the USER process (here eg. climmon). So I am not able to debug this process as I am not able to see the functions executed in that process. Can any one help me with this case?

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  • Calculate the digital root of a number

    - by Gregory Higley
    A digital root, according to Wikipedia, is "the number obtained by adding all the digits, then adding the digits of that number, and then continuing until a single-digit number is reached." For instance, the digital root of 99 is 9, because 9 + 9 = 18 and 1 + 8 = 9. My Haskell solution -- and I'm no expert -- is as follows. digitalRoot n | n < 10 = n | otherwise = digitalRoot . sum . map (\c -> read [c]) . show $ n As a language junky, I'm interested in seeing solutions in as many languages as possible, both to learn about those languages and possibly to learn new ways of using languages I already know. (And I know at least a bit of quite a few.) I'm particularly interested in the tightest, most elegant solutions in Haskell and REBOL, my two principal "hobby" languages, but any ol' language will do. (I pay the bills with unrelated projects in Objective C and C#.) Here's my (verbose) REBOL solution: digital-root: func [n [integer!] /local added expanded] [ either n < 10 [ n ][ expanded: copy [] foreach c to-string n [ append expanded to-integer to-string c ] added: 0 foreach e expanded [ added: added + e ] digital-root added ] ] EDIT: As some have pointed out either directly or indirectly, there's a quick one-line expression that can calculate this. You can find it in several of the answers below and in the linked Wikipedia page. (I've awarded Varun the answer, as the first to point it out.) Wish I'd known about that before, but we can still bend our brains with this question by avoiding solutions that involve that expression, if you're so inclined. If not, Crackoverflow has no shortage of questions to answer. :)

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  • Getting table schema from a query

    - by Appu
    As per MSDN, SqlDataReader.GetSchemaTable returns column metadata for the query executed. I am wondering is there a similar method that will give table metadata for the given query? I mean what tables are involved and what aliases it has got. In my application, I get the query and I need to append the where clause programically. Using GetSchemaTable(), I can get the column metadata and the table it belongs to. But even though table has aliases, it still return the real table name. Is there a way to get the aliase name for that table? Following code shows getting the column metadata. const string connectionString = "your_connection_string"; string sql = "select c.id as s,c.firstname from contact as c"; using(SqlConnection connection = new SqlConnection(connectionString)) using(SqlCommand command = new SqlCommand(sql, connection)) { connection.Open(); SqlDataReader reader = command.ExecuteReader(CommandBehavior.KeyInfo); DataTable schema = reader.GetSchemaTable(); foreach (DataRow row in schema.Rows) { foreach (DataColumn column in schema.Columns) { Console.WriteLine(column.ColumnName + " = " + row[column]); } Console.WriteLine("----------------------------------------"); } Console.Read(); } This will give me details of columns correctly. But when I see BaseTableName for column Id, it is giving contact rather than the alias name c. Is there any way to get the table schema and aliases from a query like the above? Any help would be great!

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  • CompositeDataBoundControl - databound values overwritten before event is fired due to DummyDataSourc

    - by Vidar Langberget
    I have a custom servercontrol that inherits from CompositeDataBoundControl. I have three templates: one header template, one footer template and one item template. The item template can contain a checkbox that I use to decide if I should delete the item. In the footer and/or header templates I have a button with a CommandName of "DeleteItem". When that button is clicked, I handle the event in OnBubbleEvent: if (cea.CommandName == "DeleteItem") { //loop through the item list and get the selected rows List<int> itemsToDelete = new List<int>(); foreach(Control c in this.Controls){ if (c is ItemData) { ItemData oid = (ItemData)c; CheckBox chkSel = (CheckBox)oid.FindControl("chkSelected"); if (chkSel.Checked) { itemsToDelete.Add(oid.Item.Id); } } } foreach (int id in itemsToDelete) { DeleteItem(id); } } } The problem is that Item is null since the CreateChildControls method already has been run as asp.net needs to recreate the control hierarchy before the event fire. It uses the DummyDataSource and a list of null objects to recreate the control hierarchy: IEnumerator e = dataSource.GetEnumerator(); if (e != null) { while (e.MoveNext()) { ItemData container = new ItemData (e.Current as OrderItem); ITemplate itemTemplate = this.ItemTemplate; if (itemTemplate == null) { itemTemplate = new DefaultItemTemplate(); } itemTemplate.InstantiateIn(container); Controls.Add(container); if (dataBinding) { container.DataBind(); } counter++; } } The problem is this line: ItemData container = new ItemData (e.Current as OrderItem); When the control hierarchy is rebuilt before the event is fired, the e.Current is null, so when I try to find out which item was marked for deletion, I get 0 since the original value has been overwritten. Any suggestions on how to fix this?

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  • XSLT line counter - is it that hard?

    - by Mr AH
    I have cheated every time I've needed to do a line count in XSLT by using JScript, but in this case I can't do that. I simply want to write out a line counter throughout an output file. This basic example has a simple solution: <xsl:for-each select="Records/Record"> <xsl:value-of select="position()"/> </xsl:for-each> Output would be: 1 2 3 4 etc... But what if the structure is more complex with nested foreach's : <xsl:for-each select="Records/Record"> <xsl:value-of select="position()"/> <xsl:for-each select="Records/Record"> <xsl:value-of select="position()"/> </xsl:for-each> </xsl:for-each> Here, the inner foreach would just reset the counter (so you get 1, 1, 2, 3, 2, 1, 2, 3, 1, 2 etc). Does anyone know how I can output the position in the file (ie. a line count)?

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