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  • Why doesn't Perl threading work when I call readdir beforehand?

    - by Kevin
    Whenever I call readdir before I create a thread, I get an error that looks like this: perl(2820,0x7fff70c33ca0) malloc: * error for object 0x10082e600: pointer being freed was not allocated * set a breakpoint in malloc_error_break to debug Abort trap What's strange is that it happens when I call readdir before I create a thread (i.e. readdir is not called in any concurrent code). I don't even use the results from readdir, just making the call to it seems to screw things up. When I get rid of it, things seem to work fine. Some example code is below: opendir(DIR, $someDir); my @allFiles = readdir(DIR); close(DIR); my $thread = threads-create(\&sub1); $thread-join(); sub sub1 { print "in thread\n" }

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  • How to input test data using the DecisionTree module in python?

    - by lifera1n
    On the Python DescisionTree module homepage (DecisionTree-1.6.1), they give a piece of example code. Here it is: dt = DecisionTree( training_datafile = "training.dat", debug1 = 1 ) dt.get_training_data() dt.show_training_data() root_node = dt.construct_decision_tree_classifier() root_node.display_decision_tree(" ") test_sample = ['exercising=>never', 'smoking=>heavy', 'fatIntake=>heavy', 'videoAddiction=>heavy'] classification = dt.classify(root_node, test_sample) print "Classification: ", classification My question is: How can I specify sample data (test_sample here) from variables? On the project homepage, it says: "You classify new data by first constructing a new data vector:" I have searched around but have been unable to find out what a data vector is or the answer to my question. Any help would be appreciated!

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  • Json / Jsonp not connecting to php (Phonegap + jquerymobile)

    - by Madhulika Mukherjee
    I am trying to make - an android WEB application with phonegap layout with JqueryMobile What Im doing - An html form that takes ID, name, and address as input 'Serialize's this data using ajax makes a json object out of it Should send it to a file called 'connection.php' Where, this data is put into a database (MySql) Other details - My server is localhost, Im using xampp I have already created a database and table using phpmyadmin The problem - My html file, where my json object is created, does not connect to the php file which is hosted by my localhost Here is my COMPLETE html file: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <!-- Change this if you want to allow scaling --> <meta name="viewport" content="width=default-width; user-scalable=no" /> <meta http-equiv="Content-type" content="text/html;charset=utf-8"> <title>Trial app</title> <link rel="stylesheet" href="thestylesheet.css" type="text/css"> <script type="text/javascript" charset="utf-8" src="javascript1.js"></script> <script type="text/javascript" charset="utf-8" src="javascript2.js"></script> <script type="text/javascript" charset="utf-8" src="cordova-1.8.0.js"></script> <script> $(document).ready(function () { $("#btn").click( function() { alert('hello hello'); $.ajax({ url: "connection.php", type: "POST", data: { id: $('#id').val(), name: $('#name').val(), Address: $('#Address').val() }, datatype: "json", success: function (status) { if (status.success == false) { alert("Failure!"); } else { alert("Success!"); } } }); }); }); </script> </head> <body> <div data-role="header"> <h1>Heading of the app</h1> </div><!-- /header --> <div data-role="content"> <form id="target" method="post"> <label for="id"> <input type="text" id="id" placeholder="ID"> </label> <label for="name"> <input type="text" id="name" placeholder="Name"> </label> <label for="Address"> <input type="text" id="Address" placeholder="Address"> </label> <div id="btn" data-role="button" data-icon="star" data-theme="e">Add record</div> <!--<input type="submit" value="Add record" data-icon="star" data-theme="e"> --> </form> </div> </body> </html> And here is my 'connection.php' hosted by my localhost <?php header('Content-type: application/json'); $server = "localhost"; $username = "root"; $password = ""; $database = "jqueryex"; $con = mysql_connect($server, $username, $password); if($con) { echo "Connected to database!"; } else { echo "Could not connect!"; } //or die ("Could not connect: " . mysql_error()); mysql_select_db($database, $con); /* CREATE TABLE `sample` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `name` varchar(45) DEFAULT NULL, `Address` varchar(45) DEFAULT NULL, PRIMARY KEY (`id`) ) */ $id= json_decode($_POST['id']); $name = json_decode($_POST['name']); $Address = json_decode($_POST['Address']); $sql = "INSERT INTO sample (id, name, Address) "; $sql .= "VALUES ($id, '$name', '$Address')"; if (!mysql_query($sql, $con)) { die('Error: ' . mysql_error()); } else { echo "Comment added"; } mysql_close($con); ?> My doubts: No entry is made in my table 'sample' when i view it in phpmyadmin So obviously, i see no success messages either I dont get any errors, not from ajax and neither from the php file. Stuff Im suspecting: Should i be using jsonp instead of json? Im new to this. Is there a problem with my php file? Perhaps I need to include some more javascript files in my html file? I assume this is a very simple problem so please help me out! I think there is just some conceptual error, as i have only just started with jquery, ajax, and json. Thank you.

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  • What is an efficient way to erase substrings?

    - by Legend
    I have a long string and a set of <end-index, string> list like the following: long_sentence = "This is a long long long long sentence" indices = [[6, "is"], [8, "is a"], [18, "long"], [23, "long"]] An element 6, "is" indicates that 6 is the end index of the word "is" in the string. I want to get the following string in the end: >> print long_sentence This .... long ......... long sentence" I tried an approach like this: temp = long_sentence for i in indices: temp = temp[:int(i[0]) - len(i[1])] + '.'*(len(i[1])+1) + temp[i[0]+1:] While this seems to be working, it is taking exceptionally long time (more than 6 hours on 5000 strings inside a 300 MB file). Is there a way to speed this up?

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  • jQuery: select all DIV's nested under specific DIV

    - by Chris
    I have an architecture similar to this: <div id="container"> <div>stuff here</div> <div>stuff here</div> <div>stuff here</div> <div>stuff here</div> </div> I want to, using jQuery, hide the cursor when the mouse enters #container. However as the nested divs appear on top it doesn't quite work that way. How can I hide the mouse cursor when hovering over any of the divs within #container. Below is the cursor hiding code. $('#container').mouseover(function() { $(this).css({cursor: 'none'}); });

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  • How can I impersonate the current user with IronPython?

    - by Ryan Montgomery
    I am trying to manage an IIS7 installation remotely using the Microsoft.Web.Administration library. I'm doing this in IronPython: import Microsoft.Web.Administration from Microsoft.Web.Administration import ServerManager manager = ServerManager.OpenRemote("RemoteServerName") for site in manager.Sites: print "Site: %(site)s" % { 'site' : site.Name } On the last line as it attempts to communicate with the remote server I get the following error: Retrieving the COM class factory for remote component with CLSID {2B72133B-3F5B-4602-8952-803546CE3344} from machine devdealernetsvr failed due to the following error: 80070005. My research into the error lead me to believe that I do not have the proper credentials against the remote machine and so I would like to impersonate a user that does. I was hard pressed to find a way to do this with IronPython. Any help is much appreciated.

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  • filter results quarterly

    - by user339067
    I am writing a simple C# application that is handling bank savings. I want to be able to show the results on either, yearly, monthly or quarterly basic how can this be done? How can I loop through a set of results and only show every third post (if I am using quarterly) for example. In Python I can use range(1,31,3) but how is it done in C#? UPDATE 1 I want to loop 12 times (annually) and calculate the interest each loop but I only want to print the results every third loop (quarterly). How can I achieve this?

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  • Mod_rewrite with multiple variables

    - by Andrei
    Hello, I'm using a PHP script that dynamically generates transparent PNGs for use as CSS backgrounds from a query string that takes RGBa and HSLa values. The original script can be found here, I've only added HSLa support. Because background URLs with PHP query strings aren't very pretty, and because it seems to break the IE 6 transparent PNG hack, I thought of using mod_rewrite to allow the script to be called when a .png with this syntax is called : /assets/colors/h[0-360 value]_s[0-100 value]_l[0-100 value]_a[0-100 value].png which would be rewritten to : /assets/colors.php?h=[0-360 value]&s=[0-100 value]&l=[0-100 value]&a=[0-100 value] Here's the issues I'm encountering : passing multiple variables with mod_rewrite using an underscore as a delimiter I know this could be done by passing a single variable and then exploding it in the PHP script, however I would prefer it to be done by Apache. Thanks in advance and if anyone wants my HSLa enabled version of the script just ask. Anyway I recommend you check it out on it's author's website.

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  • Multiple Rails forks with separate designs and layouts

    - by mettadore
    I have a Rails project that is basically a simple web app for a membership-based organization. We've open sourced the code on Github for the web app so that others can use it, but have a licensed design/layout that the original organization is going to use. This layout cannot be open sourced. I was wondering if others have run into the situation where you have an open-source Rails app with a non-OS design. My initial thought is to put app/views in .gitignore, and to have anyone forking the code add their own views directory, perhaps including an app/views_default directory with a web-app-theme layout or something else to get people running. Is this the best option (realizing that there are other files such as JavaScript, CSS, etc that come with the layout that must also be ignored). Does anyone have some good thoughts or pointers on this?

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  • Programming error in Java Socket

    - by Akhil K Nambiar
    Can you tell me what is the error in this code? Socket socket = new Socket(hostname, port); PrintWriter out = new PrintWriter(socket.getOutputStream(), true); //DataInputStream is = new DataInputStream(socket.getInputStream()); out.println("hi"); System.out.print(in.readLine()); The Server Socket program is written in .Net and it echoes back the data. The data is sent successfully but could not be retrieved properly. I tried the same by using the linux command nc 192.168.1.6 8425 (enter) Hi (Sent data) Hi (recieved data) When I checked the code the data is found to have sent as byteStream in .Net. Is that a problem. In that case what modification should I make.

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  • Convert Qcolor value to hex value

    - by vettipayyan
    I have implemented a Qcolor dialog box which opens on certain condition. To get the selected color after final selection i use the method selectedColor() which returns the value in QColor . When i print that value , it's like this : <PyQt4.QtGui.QColor object at 0x01DD7880> I want color value in hex value . like this : #DFDFDF (for grey ). If it's not hex , correct me. Is there any function to convert that? Any suggestions welcome .

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  • Wordpress htaccess in root overriding htaccess in subdomain. Subdomain app not working now.

    - by revive
    Hello, We have a WP install in the root of our server and its running great.. but, we just installed another app in a subdomain. Now, I can view the index.php of that app but cannot do anything with it.. the htaccess rules in the root (from WP base install) are effecting the requests. So, how to I eliminate the WP htaccess file from effecting the subdomain? Here is the htaccess contents for the root (WP install): <IfModule mod_rewrite.c> RewriteEngine On # BEGIN WordPress RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] # END WordPress </IfModule> And for the htaccess in the subdomain: RewriteEngine on RewriteCond $1 !^(index\.php|css|stylesheets|js|images|user_guide|favicon\.ico|robots\.txt) RewriteRule ^(.*)$ /index.php/$1 [L] I've search everywhere online and tried a couple samples I found.. nothing has worked. Any help is greatly appreciated ! Thanks

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  • sIFR seems to be loading correctly but not displaying text.

    - by CMal
    I'm Using sIFR 3r436, and although I believe everything is set up correctly, and my console shows that the .swf font file is loading correctly, the HTML type is hidden but the sIFR type is not displaying. Below is a link to the site in question: Schaffer's Website Below is a link to a test site that uses exactly the same sifr-config.js, sifr.js, css, and swf files. And it works. The main difference between the two is the server that they are running on. Schaffer's Test Site I'm hoping that maybe somebody can see a problem that I'm unable to. Appreciate the help!

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  • dropping user to IRB after reading from pipe

    - by aurelian
    I have this script that drops the user to an IRB session when executed. All good, but when I use *nix pipes to get the input (e.g. with cat), the IRB session ends immediately. I could reduce the script (let's call it myscript.rb) to the following: require 'irb' if $stdin.stat.size 0 @text = $stdin.read else @text= "nothing" end ARGV.clear IRB.start When executed like: ruby myscript.rb, I end up in the IRB session (as expected). But (assuming foo.txt exists in the cwd): cat foo.txt | ruby myscript.rb will just print the IRB prompt and then the IRB session is closed (I'm being dropped to $bash). Any known workarounds or ideas? BTW: it has the same behavior on ruby 1.8.7 as well as on 1.9.2.

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  • Turing's Craft exercise stumped me... seems too easy.

    - by Chris
    "Write a for loop that prints the integers 1 through 40, separated by spaces or new lines. You may use only one variable, count which has already been declared as an integer." So I use... for(count = 1; count <= 40; count++) { cout << " " << count; } but they are using stdio.h as the only header and cout is not recognized. It hints that the output format should be (" ",count), but I can't figure out what print function to use. stdio.h can use fprintf or fwrite, but I don't have enough parameters for either function. Any ideas?

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  • stack dump accessing malloc char array

    - by robUK
    Hello, gcc 4.4.3 c89 I have the following source code. And getting a stack dump on the printf. char **devices; devices = malloc(10 * sizeof(char*)); strcpy(devices[0], "smxxxx1"); printf("[ %s ]\n", devices[0]); /* Stack dump trying to print */ I am thinking that this should create an char array like this. devices[0] devices[1] devices[2] devices[4] etc And each element I can store my strings. Many thanks for any suggestions,

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  • How to read the whole istream correctly?

    - by L.Lawliet
    Here is a simple code to print all characters of a txt file on screen: #include <iostream> #include <fstream> #include <string> using namespace std; int main() { int **i; int j,k; char a; ifstream test("test.txt", ios::binary); while((a=test.get())!=-1)//if I use "while(!test.eof())" here, how to avoid the output of the last character(-1) to std::cout, or any ostream objects? { putchar(a);//also change this to putchar(test.get()); } getchar(); } As I noted in the code, if I use "test.eof()" to judge the end of test.txt, I'll always get an extra blank at the end of the output. How to avoid it?

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  • JSF and Jquery - doesn't work

    - by darkrain
    Hi I am trying to get Jquery work in JSF. But i doesn't work. Can somebody help me ? The scripts are in the folder : resources This is my JSP code : I am using netbeans and the <?xml version="1.0" encoding="UTF-8"?> <!-- Document : testpage Created on : 08.07.2009, 01:16:01 Author : reBourne --> <jsp:root version="2.1" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:webuijsf="http://www.sun.com/webui/webuijsf"> <jsp:directive.page contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"/> <f:view> <webuijsf:page id="page1"> <webuijsf:html id="html1"> <webuijsf:head id="head1"> <webuijsf:link id="link1" url="/resources/css/stylesheet.css"/> <webuijsf:script id="script1" url="resources/jquery.js"/> <webuijsf:script id="script2" url="recources/main.js" /> <style> body { margin:0; padding:40px; background:#fff; font:80% Arial, Helvetica, sans-serif; color:#555; line-height:180%; } h1{ font-size:180%; font-weight:normal; color:#555; } h2{ clear:both; font-size:160%; font-weight:normal; color:#555; margin:0; padding:.5em 0; } a{ text-decoration:none; color:#f30; } p{ clear:both; margin:0; padding:.5em 0; } pre{ display:block; font:100% "Courier New", Courier, monospace; padding:10px; border:1px solid #bae2f0; background:#e3f4f9; margin:.5em 0; overflow:auto; width:800px; } img{border:none;} ul,li{ margin:0; padding:0; } li{ list-style:none; float:left; display:inline; margin-right:10px; } /* */ #preview{ position:absolute; border:1px solid #ccc; background:#333; padding:5px; display:none; color:#fff; } /* */ </style> </webuijsf:head> <webuijsf:body id="body1" style="-rave-layout: grid"> <webuijsf:form id="form1"> <ul> <li> <a class="preview" href="resources/images/1.jpg"> <img alt="gallery thumbnail" src="resources/images/1s.jpg"/> </a> </li> <li> <a class="preview" href="resources/images/2.jpg"> <img alt="gallery thumbnail" src="resources/images/2s.jpg"/> </a> </li> <li> <a class="preview" href="resources/images/3.jpg"> <img alt="gallery thumbnail" src="resources/images/3s.jpg"/> </a> </li> <li> <a class="preview" href="resources/images/4.jpg"> <img alt="gallery thumbnail" src="resources/images/4s.jpg"/> </a> </li> </ul> </webuijsf:form> </webuijsf:body> </webuijsf:html> </webuijsf:page> </f:view> </jsp:root> Or has someone a real life example with Javascript ?!

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  • what are the limitations of mobile phones and web development

    - by Kieran
    simple really.. I am have been asked to do a mobile site (straight html + css (+ maybe jquery mobile later on)). The site will need to support the new type smart phone and the old type Nokia/(Symbian OS) with the web browser. Doubts and reservations aside as to anyone without a smart phone would bother visiting this site it still needs to support it. My first question is do older phones support PNG images and transparancey... But this has led me to a much broader question of what are some of the limitations of developing for older phone platforms is there anything that has caught mobile web devs out and had them scratching their head for an afternoon.. what are the limitations of mobile phones?

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  • How to make javascript for font sizes fully language dependent?

    - by toonoid
    Hello All I have a multilanguage webiste English and Arabic. The javascript for the fontsizes is included in the theme not in the .css. Both language have different fontsize 16 and 12. When switching from English to Arabic the English letters such as ( dates and stuff like that ) are shown way too big. And when switching from English to Arabic the arabic letters are too small. I would really like to make this javascrip fully language dependent so that the English letters being shown in the Arabic version keeps the same fontsize as in English version and vice versa for arabic. //-- function setstyle(tag){ var elements = document.getElementsByTagName(tag); for (var i = 0; i The following script is the current javascript included in the theme. I would really appreciate it if somebody out there could help me with this problem. My knowledge of javascript is to be honest zero. Thanks TOONOID

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  • How can I create or assign a method to temp (WindowAdapter)?

    - by Doug Hauf
    I want to create an instance of the WindowAdapter and put my method for windowClosing in it and then sent the temp into the f.addWindowListener(temp) can this be done. Java will not let me create an instance of WindowAdapter like below. WindowAdapter temp = new WindowAdapter(); <-- Does not compile How could this be done? Code: public static void main(String args[]) { setLookFeel(); JFrame f = new JFrame("Hello World Printer..."); WindowAdapter temp; f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); JButton printButton = new JButton("Print Hello World"); printButton.addActionListener(new HelloWorldPrinter()); f.add("Center", printButton); f.pack(); f.setVisible(true); }

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  • Perl, dereference array of references

    - by Mike
    In the following Perl code, I would expect to be referencing an array reference inside an array #!/usr/bin/perl use strict; use warnings; my @a=([1,2],[3,4]); my @b = @$a[0]; print $b[0]; However it doesn't seem to work. I would expect it to output 1. @a is an array of references @b is $a[1] dereferenced (I think) So what's the problem?

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  • How can I ignore C comments when I process a C source file with Perl?

    - by YoDar
    I'm running a code that read files, do some parsing, but need to ignore all comments. There are good explanations how to conduct it, like the answer to How can I strip multiline C comments from a file using Perl? $/ = undef; $_ = <>; s#/\*[^*]*\*+([^/*][^*]*\*+)*/|("(\\.|[^"\\])*"|'(\\.|[^'\\])*'|.[^/"'\\]*)#defined $2 ? $2 : ""#gse; print; My first problem is that after run this line $/ = undef; my code doesn't work properly. Actually, I don't know what it does. But if I could turn it back after ignoring all comments it will be helpful. In general, What is the useful way to ignore all comments without changing the rest of the code?

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  • I'm an idiot/blind and I can't find why I'm getting a list index error. Care to take a look at these 20 or so lines?

    - by Meff
    Basically it's supposed to take a set of coordinates and return a list of coordinates of it's neighbors. However, when it hits here:if result[i][0] < 0 or result[i][0] >= board.dimensions: result.pop(i) when i is 2, it gives me an out of index error. I can manage to have it print result[2][0] but at the if statement it throws the errors. I have no clue how this is happening and if anyone could shed any light on this problem I'd be forever in debt. def neighborGen(row,col,board): """ returns lists of coords of neighbors, in order of up, down, left, right """ result = [] result.append([row-1 , col]) result.append([row+1 , col]) result.append([row , col-1]) result.append([row , col+1]) #prune off invalid neighbors (such as (0,-1), etc etc) for i in range(len(result)): if result[i][0] < 0 or result[i][0] >= board.dimensions: result.pop(i) if result[i][1] < 0 or result[i][1] >= board.dimensions: result.pop(i) return result

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  • What's happening in this Perl foreach loop?

    - by benjamin button
    I have this Perl code: foreach (@tmp_cycledef) { chomp; my ($cycle_code, $close_day, $first_date) = split(/\|/, $_,3); $cycle_code =~ s/^\s*(\S*(?:\s+\S+)*)\s*$/$1/; $close_day =~ s/^\s*(\S*(?:\s+\S+)*)\s*$/$1/; $first_date =~ s/^\s*(\S*(?:\s+\S+)*)\s*$/$1/; #print "$cycle_code, $close_day, $first_date\n"; $cycledef{$cycle_code} = [ $close_day, split(/-/,$first_date) ]; } The value of tmp_cycledef comes from output of an SQL query: select cycle_code,cycle_close_day,to_char(cycle_first_date,'YYYY-MM-DD') from cycle_definition d order by cycle_code; What exactly is happening inside the for loop?

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