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  • dotted stroke in <canvas>

    - by Sam
    I guess it is not possible to set stroke property such as CSS which is quite easy. With CSS we have dashed, dotted, solid but on canvas when drawing lines/or strokes this doesn't seem to be an option. How have you implemented this? I've seen some examples but they are really long for such a silly function. For example: http://groups.google.com/group/javascript-information-visualization-toolkit/browse_thread/thread/22000c0d0a1c54f9?pli=1

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  • Python hash() can't handle long integer?

    - by Xie
    I defined a class: class A: ''' hash test class a = A(9, 1196833379, 1, 1773396906) hash(a) -340004569 This is weird, 12544897317L expected. ''' def __init__(self, a, b, c, d): self.a = a self.b = b self.c = c self.d = d def __hash__(self): return self.a * self.b + self.c * self.d Why, in the doctest, hash() function gives a negative integer?

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  • Getting a file pointer from file descriptor

    - by Naga Kiran
    In PHP 5.2.3, "fdopen" was used to read/write to a file descriptor that's opened by another application. fdopen(<fileDescriptorId>,"rw"); //It worked fine with PHP 5.2.3 After upgrading PHP to 5.3.2, it's throwing "undefined reference to 'fdopen' function". Please suggest whats the replacement for this in PHP 5.3.2 or any workaround.

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  • contenteditable realtime replace youtube url

    - by pimz
    so the problem is, i have a contenteditable div, with a keyup function binded. everytime somebody puts a youtube url in it, it has to be replaced by an embedded movie. i came up with a regex like this : content.match(/http:\/\/\w{0,3}.?youtube+\.\w{2,3}\/watch\?v=.*?(?=\s)/g); firefox wil do the replace after a whitespace, but in ie it won't work. any suggestions? thnx in advance!

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  • Is it true that one should not use NSLog() on production code?

    - by jpm
    I was told this a few times in this very site, but I wanted to make sure this is really the case. I was expecting to be able to sprinkle NSLog function calls throughout my code, and that Xcode/gcc would automatically strip those calls out when building my Release/Distribution builds. Should I avoid using this? If so, what alternatives are most common between experienced Objective-C programmers?

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  • HTML_Template_IT and wordpress

    - by David Ryder
    I want to use PEAR's HTML_Template_IT in one of my Wordpress page templates so I can separate the HTML from the PHP. I got it working, except I am not sure about one thing. Wordpress's built-in function get_header() actually echo's HTML - so I can't technically set it as a template variable. Is this considered acceptable or is there another way to put the contents of get_header() in a variable? Thanks!

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  • plot a line graph in vb.net

    - by Husna5207
    this is my function for plotting a graph in vb.net how I'm going to replace the ("Jon", 10),("Jordan", 30) with a value that i search from database ? Private Sub chart_btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chart_btn.Click Chart1.Series("Student").Points.AddXY("Jon", 10) Chart1.Series("Student").Points.AddXY("Jon", 10) Chart1.Series("Student").ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Bar End Sub

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  • python mock patch : a method of instance is called?

    - by JuanPablo
    In python 2.7, I have this function from slacker import Slacker def post_message(token, channel, message): channel = '#{}'.format(channel) slack = Slacker(token) slack.chat.post_message(channel, message) with mock and patch, I can check that the token is used in Slacker class import unittest from mock import patch from slacker_cli import post_message class TestMessage(unittest.TestCase): @patch('slacker_cli.Slacker') def test_post_message_use_token(self, mock_slacker): token = 'aaa' channel = 'channel_name' message = 'message string' post_message(token, channel, message) mock_slacker.assert_called_with(token) how I can check the string use in post_message ? I try with mock_slacker.chat.post_message.assert_called_with('#channel') but I get AssertionError: Expected call: post_message('#channel') Not called

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  • Correct usage of socket_select().

    - by Mark Tomlin
    What is the correct way to use socket_select within PHP to send and receive data? I have a connection to the server that allows for both TCP & UDP packet connections, I am utilizing both. Within these connections I'm both sending and receiving packets on the same port, but the TCP packet will be sent on one port (29999) and UDP will be sent on another port (30000). The transmission type will be that of AF_INET. The IP address will be loopback 127.0.0.1. I have many questions on how to create a socket connection within this scenario. For example, is it better to use socket_create_pair to make the connection, or use just socket_create followed by socket_connect, and then implement socket_select? There is a chance that no data will be sent from the server to the client, and it is up to the client to maintain the connection. This will be done by utilizing the time out function within the socket_select call. Should no data be sent within the time limit, the socket_select function will break and a keep alive packet can then be sent. The following script is of the client. // Create $TCP = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); $UDP = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP); // Misc $isAlive = TRUE; $UDPPort = 30000; define('ISP_ISI', 1); // Connect socket_connect($TCP, '127.0.0.1', 29999); socket_connect($UDP, '127.0.0.1', $UDPPort); // Construct Parameters $recv = array($TCP, $UDP); $null = NULL; // Make The Packet to Send. $packet = pack('CCCxSSxCSa16a16', 44, ISP_ISI, 1, $UDPPort, 0, '!', 0, 'AdminPass', 'SocketSelect'); // Send ISI (InSim Init) Packet socket_write($TCP, $packet); /* Main Program Loop */ while ($isAlive == TRUE) { // Socket Select $sock = socket_select($recv, $null, $null, 5); // Check Status if ($sock === FALSE) $isAlive = FALSE; # Error else if ($sock > 0) # How does one check to find what socket changed? else # Something else happed, don't know what as it's not in the documentation, Could this be our timeout getting tripped? }

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  • FB Connect going in an infinite loop with google chrome

    - by Mitesh
    Hi, I am having the following php code which i am trying for testing FB Connect <?php define('FACEBOOK_APP_ID', 'YOUR_APP_ID'); define('FACEBOOK_SECRET', 'YOUR_APP_SECRET'); function get_facebook_cookie($app_id, $application_secret) { enter code here $args = array(); parse_str(trim($COOKIE['fbs' . $app_id], '\"'), $args); ksort($args); $payload = ''; foreach ($args as $key = $value) { if ($key != 'sig') { $payload .= $key . '=' . $value; } } if (md5($payload . $application_secret) != $args['sig']) { return null; } return $args; } $cookie = get_facebook_cookie(FACEBOOK_APP_ID, FACEBOOK_SECRET); ? <!DOCTYPE html <html xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://www.facebook.com/2008/fbml" <body <?php if ($cookie) { ? Your user ID is <?= $cookie['uid'] ? <br / Your Acess Token is <br / <?php $user = json_decode(file_get_contents( 'https://graph.facebook.com/me?access_token=' . $cookie['access_token'])); if($user) { echo "<br /Display Name = " . $user-name; echo "<br /First Name = " . $user-first_name; echo "<br /Last Name = " . $user-last_name; echo "<br /Birthday = " . $user-birthday; echo "<br /Home Town = " . $user-hometown-name; echo "<br /Location = " . $user-location-name; echo "<br /Email = " . $user-email . "<br /"; } ? <?php } else { ? <fb:login-button perms="email,user_birthday,publish_stream"</fb:login-button <?php } ? <div id="fb-root">&lt;/div> <script src="http://connect.facebook.net/en_US/all.js"></script> <script> FB.init({appId: '<?= FACEBOOK_APP_ID ?>', status: true, cookie: true, xfbml: true}); FB.Event.subscribe('auth.login', function(response) { window.location.reload(); }); </script> </body </html The problem faced by me is it works fine with IE and Firefox, however when done the same with google chrome I am running into an infinite loop when I click on reload/refresh button of chrome after logging in. Any hints as to why is it happening with chrome? Also how can it be avoided. Thanks, Mitesh

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  • BackgroundWorker Thread in IIS7 - FAIL!

    - by Darren Oster
    Just wondering if anyone has had any trouble using a BackgroundWorker Thread in a site running under IIS 7 in Integrated Pipeline mode? I am trying to use such a beast to update the database schema (admin function, obviously), and it works perfectly in Cassini, but when I deploy to IIS 7, the thread gets about one line of code in and silently ends. Is there a way to tell why a thread ended? Thanks in advance.

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  • How to get font size in delphi

    - by Bharat
    Hi, I am looking for some function like this: GetFontSize(<Font Name>, <Sample Character>, <Sample Character Width>, <Sample Character Height>) which must return the font size, Is this possible in delphi?

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  • adding code to jsfiddle

    - by loriensleafs
    I want to add a very simple bit of code to a jsfiddle, but when ever I do it breaks everything else. This is the code I'd like to add: $("#launcher").click(function(){ $("#profile_850_HEADER").animate({ margin-top: "10px" }, 1500 ); }); and this is the jsfiddle http://jsfiddle.net/loriensleafs/F3wjg/3/ , I'm sure this is beyond simple but I can't figure it out, any help would be greatly appreciated.

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  • How to enable a linkbutton server control using javascript?

    - by satyaj
    I have a linkbutton server control in my page whose Enabled attribute is initially set to "false". When a text box's text changes I would like to enable the linkbutton. I tried the following but it does not work. Could you let me know if i am missing something. function TextBox_TextChanged() { var control = $get("<%= linkButtonSave.ClientID%>"); if(control != null) control.enabled = true; } Thanks

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  • Can't get jQuery AutoComplete to work with External JSON

    - by rockinthesixstring
    I'm working on an ASP.NET app where I'm in need of jQuery AutoComplete. Currently there is nothing happening when I type data into the txt63 input box (and before you flame me for using a name like txt63, I know, I know... but it's not my call :D ). Here's my javascript code <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js" type="text/javascript"></script> <script src="http://jquery-ui.googlecode.com/svn/tags/latest/external/jquery.bgiframe-2.1.1.js" type="text/javascript"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/i18n/jquery-ui-i18n.min.js" type="text/javascript"></script> <script language="javascript" type="text/javascript"> var theSource = '../RegionsAutoComplete.axd?PID=<%= hidden62.value %>' $(function () { $('#<%= txt63.ClientID %>').autocomplete({ source: theSource, minLength: 2, select: function (event, ui) { $('#<%= hidden63.ClientID %>').val(ui.item.id); } }); }); and here is my HTTP Handler Namespace BT.Handlers Public Class RegionsAutoComplete : Implements IHttpHandler Public ReadOnly Property IsReusable() As Boolean Implements System.Web.IHttpHandler.IsReusable Get Return False End Get End Property Public Sub ProcessRequest(ByVal context As System.Web.HttpContext) Implements System.Web.IHttpHandler.ProcessRequest 'the page contenttype is plain text context.Response.ContentType = "application/json" context.Response.ContentEncoding = Encoding.UTF8 'set page caching context.Response.Cache.SetExpires(DateTime.Now.AddHours(24)) context.Response.Cache.SetCacheability(HttpCacheability.Public) context.Response.Cache.SetSlidingExpiration(True) context.Response.Cache.VaryByParams("PID") = True Try ' use the RegionsDataContext Using RegionDC As New DAL.RegionsDataContext ' query the database based on the querysting PID Dim q = (From r In RegionDC.bt_Regions _ Where r.PID = context.Request.QueryString("PID") _ Select r.Region, r.ID) ' now we loop through the array ' and write out the ressults Dim sb As New StringBuilder sb.Append("{") For Each item In q sb.Append("""" & item.Region & """: """ & item.ID & """,") Next sb.Append("}") context.Response.Write(sb.ToString) End Using Catch ex As Exception HealthMonitor.Log(ex, False, "This error occurred while populating the autocomplete handler") End Try End Sub End Class End Namespace The rest of my ASPX page has the appropriate controls as I had this working with the old version of the jQuery library. I'm trying to get it working with the new one because I heard that the "dev" CDN was going to be obsolete. Any help or direction will be greatly appreciated.

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  • [CakePHP] I am so confused. What should I write in the default.ctp

    - by kwokwai
    Hi all, I am learning cakePHP, everything seems alright except that I am very confused of how to make use of the default.ctp and what should be put inside the Elements folder. Here is the default.ctp file that I have been using since my very first lesson on learning cakePHP: (I copied from this URL http://book.cakephp.org/view/96/Layouts) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title><?php echo $title_for_layout?></title> <link rel="shortcut icon" href="favicon.ico" type="image/x-icon"> <!-- Include external files and scripts here (See HTML helper for more info.) --> <?php echo $scripts_for_layout ?> </head> <body> <!-- If you'd like some sort of menu to show up on all of your views, include it here --> <div id="header"> <div id="menu">...</div> </div> <!-- Here's where I want my views to be displayed --> <?php echo $content_for_layout ?> <!-- Add a footer to each displayed page --> <div id="footer">...</div> </body> </html> But the problem is that the layout will take effect to all web pages that I have created. Let's see the case that I have recently encountered. In one of the .ctp files, I need to use JQuery function and I need to ass some and tags in the .ctp file. Here are the and tags I used: <Script language="javascript"> $(document).ready(function() { // some functions here }); </Script> <style type="text/css"> { #toppage{ width:800px; } But when I followed the default.ctp file, I noticed that these tags (i.e. and ) happened to appear below the tag. As far as I know, the and self-defined Javascript functions should be put inside the tag of the HTML instead. I have considered to add the and in the default.ctp file, but then these codes would appear in every web pages instead of just a particular web page. Please help.

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  • Capture node.js crash reason

    - by dfilkovi
    I have a script written in node.js, it uses 'net' library and communicates with distant service over tcp. This script is started using 'node script.js log.txt' command and everything in that script that is logged using console.log() function gets written to log.txt but sometimes script dies and I cannot find a reason and nothing gets logged in log.txt around the time script crashed. How can I capture crash reason?

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  • How can I solve NP complete problems in erlang?

    - by Yadira Suazo
    Hi, I already have my operators for, by example, eat banana problem [#op{ action = [climb, on, {object}], preconds = [[at, {place}, {object}], [at, {place}, me], [on, floor, me], [on, floor, {object}], [large, {object}]], add_list = [[on, {object}, me]], del_list = [[on, floor, me]] }, But how can I use it in the function solve(Problem, depth_first, []). And depth_first (Problem, Start) - search_tree(Problem, container.stack, Start).

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  • When writing a form submit to a file, strip line breaks and commas

    - by bccarlso
    I have a form with a textarea in it. I log the results to a text file on the server, but I would like to strip out any line breaks a user would put in the textarea, as well as any commas that would interfere with importing the comma-delimited log text file into Excel or something for later use. I think this has to do with regex, but I'm no expert and could use some help. Or maybe there is an easy PHP function that will do it?

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  • Define integer ranges in C

    - by maddy
    Hi, I want to define a type named Int_1_100_Type which is an integer variable in the range from 1 to 100. How should i typedef this one? for eg: i am passing this variable to a function which accepts variable of type Int_1_100_Type. i.e funca(Int_1_100_Type Var1) Thanks Maddy

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  • How can i get the between cell addresses.

    - by Sathish
    I have a function which accepts fromRange and ToRange of an Excel cell. basically i want to read cell by cell values from the range. suppose if i pass E2 and E9 i want to read in a loop something like Range(E2).value, Range(E3).value and so on till E9 How can i get the between cell addresses. Please help

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  • compilation error in vc++ vs2005

    - by vijay.j
    I am getting an error while compiling in vc++ vs2005. error LNK2019: unresolved external symbol __imp__MessageBoxA@16 referenced in function "void __cdecl MsgBox(char const *,char const *,...)" (?MsgBox@@YAXPBD0ZZ)

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