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  • Writing a simple RSpec test to check that Rake tasks are correct

    - by John Feminella
    I'm trying to be diligent about checking my rake tasks with RSpec tests, but in the process of feeling my way around I seem to have hit a wall. I've got a really simple RSpec test that looks like this: # ./test/meta_spec.rb describe "Rake tasks" do require 'rake' before(:each) do @rake = Rake::Application.new @rake.load_rakefile # => Error here! Rake.application = @rake end after(:each) do Rake.application = nil end it "should have at least one RSpec test to execute" do Rake.application["specs"].spec_files.size.should > 0 end end I have a simple task called "specs" defined in ./Rakefile.rb which has an RSpec task that includes all the *_spec.rb files. If I put the @rake.load_rakefile method in, I want that Rakefile to load. But instead it just bombs out. If I comment it out, however, the test fails because the "specs" task is (understandably) not defined. Where am I going wrong?

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  • jQuery $.post with PasteBin API

    - by John K
    Ok, I'm trying to use jQuery $.post with the PasteBin API to create a PasteBin page and grab the URL (which the API says it returns). Here is my code so far: $('#send_code').click(function(){ $.post('http://pastebin.com/api_public.php', { paste_name: $('#paste_name').val(), paste_code: $('#paste_code').val() }, function(data){ alert(data); }); } The above script creates the page just fine (I can find them on PasteBin). However, all that is returned is an empty string. I've tried using this same API with php and cURL, and I'm able to retrieve the URL just fine. Can anyone see if I'm doing something wrong? Thanks!

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  • Getting the .NET Class associated with a process

    - by John P. Grieb
    As part of a WMI Coupled provider that I'm creating I need to write an instance enumerator. The code I have is below. What I need to do is get the Class instance associated with the process. Any ideas? static public WMIProviderSample GetInstance([ManagementName("ID")] int processId) { try { Process[] processes = Process.GetProcessesByName("WMI Provider Sample"); foreach (Process process in processes) { if (process.Id == processId) { // Need to convert the process to an instance of WMIProviderSampel } } return null; } catch (ArgumentException) { return null; } }

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  • PHP - Looking for an HTML Generator/Manager

    - by John Himmelman
    I'm trying to find a tool that I can use to generate markup programatically (non-irl word). Here is an example of what I'm trying to accomplish in pseudo-code... $htmlDoc = new HTML_Document(); $htmlDoc->setTitle('Cool Title'); $htmlDoc->addJs('some_js_file.js'); $htmlDoc->addStylesheet('some_css_file.css'); $divElement = new HTML_Element_Div(); $htmlDoc->append('body', $divElement); $output = $htmlDoc->generate(); What is the best tool for this?

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  • C# vs C - Big performance difference

    - by John
    I'm finding massive performance differences between similar code in C anc C#. The C code is: #include <stdio.h> #include <time.h> #include <math.h> main() { int i; double root; clock_t start = clock(); for (i = 0 ; i <= 100000000; i++){ root = sqrt(i); } printf("Time elapsed: %f\n", ((double)clock() - start) / CLOCKS_PER_SEC); } And the C# (console app) is: using System; using System.Collections.Generic; using System.Text; namespace ConsoleApplication2 { class Program { static void Main(string[] args) { DateTime startTime = DateTime.Now; double root; for (int i = 0; i <= 100000000; i++) { root = Math.Sqrt(i); } TimeSpan runTime = DateTime.Now - startTime; Console.WriteLine("Time elapsed: " + Convert.ToString(runTime.TotalMilliseconds/1000)); } } } With the above code, the C# completes in 0.328125 seconds (release version) and the C takes 11.14 seconds to run. The c is being compiled to a windows executable using mingw. I've always been under the assumption that C/C++ were faster or at least comparable to C#.net. What exactly is causing the C to run over 30 times slower? EDIT: It does appear that the C# optimizer was removing the root as it wasn't being used. I changed the root assignment to root += and printed out the total at the end. I've also compiled the C using cl.exe with the /O2 flag set for max speed. The results are now: 3.75 seconds for the C 2.61 seconds for the C# The C is still taking longer, but this is acceptable

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  • Is there anyway to enable MultiSelect in the StyledTextCtrl

    - by John Baker
    I've noticed that the StyledTextControl (Scintilla basically) in wxWidgets has a great feature that allows multi-selections of text, just like TextMate. However wxRuby doesn't seem to have the function calls to support that feature. I'm wonder if there is a way to enable it or if there might be a way I could rewrite that wrapper to include that function. It seems strange that they would purposely omit that since they are seemingly pretty exhaustive on most functions calls. Any insight on this would be greatly appreciated. I'm trying to write an open source TextMate clone in Ruby and it's gonna be pretty hard without MultiSelect, I could probably hack something together but it'd be ugly. Thanks ahead of time.

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  • Git ignore file for vb.net projects

    - by John C
    Placing a vb.net project under git control in windows (was previously under VSS - long sad story of repository corruption, etc). How should I set up the ignore file? The exclusions I'm thinking of using are: *.exe *.pdb *.manifest *.xml *.log (is git case sensitive on windows? Should I exclude *.Log as well?) *.scc (I gather these were left over from VSS - maybe I should delete them?) Is this a sensible list? Should I be excluding directories?

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  • jquery pagination plugin problem

    - by John the horn
    I am using a pagination plugin called "pagination". Here is the script that is initialized : function pageselectCallback(page_index, jq){ var new_content = jQuery('#hiddenresult div.result:eq('+page_index+')').clone(); $('#Searchresult').empty().append(new_content); return false; } /** * Initialisation function for pagination */ function initPagination() { // count entries inside the hidden content var num_entries = jQuery('#hiddenresult div.result').length; // Create content inside pagination element $("#Pagination").pagination(num_entries, { callback: pageselectCallback, items_per_page:1 // Show only one item per page }); } // When document is ready, initialize pagination $(document).ready(function(){ initPagination(); }); and I am using this script for accordation on the page : <script type="text/javascript"> $(document).ready(function(){ $('#content').show(); $('#content1').hide(); $('#content2').hide(); $('#content3').hide(); $('#content4').hide(); $('#content5').hide(); $('a.bucatarii_serie').click(function(){ $("div[id^='content']").hide(); $('#content').toggle('slow'); }); $('a.livinguri_serie').click(function(){ $("div[id^='content']").hide(); $('#content1').toggle('slow'); }); $('a.dormitoare_serie').click(function(){ $("div[id^='content']").hide(); $('#content2').toggle('slow'); }); $('a.tratamente').click(function(){ $("div[id^='content']").hide(); $('#content3').toggle('slow'); }); $('a.chirurgie').click(function(){ $("div[id^='content']").hide(); $('#content4').toggle('slow'); }); $('a.frizerie').click(function(){ $("div[id^='content']").hide(); $('#content5').toggle('slow'); }); }); </script> My problem is that I don't know how to implement multiple paginations on the same page in diferent containers but in a bigger container.

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  • Using NSURLRequest+NSURLConnection seems overkill for a webcall with no data return

    - by Spectravideo328
    All, This might seems very straightforward but I have already gone through the URL loading system program guide and the various NSURL.... classes and not found my answer. I am just trying to do a simple call from the app to a website to reserve a party spot: NSString *path=[NSString stringWithFormat:@"http://www.myparty123.com/ireservedURL.asp?Nickname=%@&Seat=%i&Email=%@&Currentparty=%i",john,5432,[email protected],6598]; NSURL* reservationURL =[NSURL URLWithString:path]; NSData *call= [NSData dataWithContentsOfURL:reservationURL]; This seemed to be the simple way but I get this warning that I am not using the "call" variable. And it seems overkill to do a call using NSData where there is no data return. Yet, creating an NSURLRequest and initiating an NSURLConnection and then implementing delegates with that request seems to be overkill as well. What am I missing. Thanks KMB

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  • Spatial domain to frequency domain

    - by John Elway
    I know about Fourier Transforms, but I don't know how to apply it here, and I think that is over the top. I gave my ideas of the responses, but I really don't know what I'm looking for... Supposed that you form a low-pass spatial filter h(x,y) that averages all the eight immediate neighbors of a pixel (x,y) but excludes itself. a. Find the equivalent frequency domain filter H(u,v): My answer is to (a): 1/8*H(u-1, v-1) + 1/8*H(u-1, v) + 1/8*H(u-1, v+1) + 1/8*H(u, v-1) + 0 + 1/8*H(u, v+1) + 1/8*H(u+1, v-1) + 1/8*H(u+1, v) + 1/8*H(u-1, v-1) is this the frequency domain? b. Show that your result is again a low-pass filter. does this have to do with the coefficients being positive?

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  • .hgignore whole directory tree excepting one specific file

    - by John Mee
    Can anyone tell me the .hgignore pattern to track one specific file in a directory and to ignore everything else? I have a "media" directory which contains a "default.png", for obvious purposes, and the rest of the directory will hold user media. We want hg to ignore everything in the media directory excepting the default file.

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  • Numerating Comments

    - by John
    The code below prints out all comments for a given "submissionid" in chronological order. How could I numerate these comments? (In other words, how do I print out a "1." next to the oldest comment, a "2." next to the second-oldest comment, etc.?) $submission = mysql_real_escape_string($_GET['submission']); $submissionid = mysql_real_escape_string($_GET['submissionid']); $sqlStr = "SELECT comment.comment, comment.datecommented, login.username FROM comment LEFT JOIN login ON comment.loginid=login.loginid WHERE submissionid=$submissionid ORDER BY comment.datecommented ASC LIMIT 100"; $result = mysql_query($sqlStr); $arr = array(); echo "<table class=\"commentecho\">"; while ($row = mysql_fetch_array($result)) { echo '<tr>'; echo '<td class="commentname1">'.stripslashes($row["comment"]).'</td>'; echo '</tr>'; echo '<tr>'; echo '<td class="commentname2"><a href="http://www...com/sandbox/members/index.php?profile='.$row["username"].'">'.$row["username"].'</a>'.date('l, F j, Y &\nb\sp &\nb\sp g:i a &\nb\sp &\nb\sp \N\E\W &\nb\sp \Y\O\R\K &\nb\sp \T\I\M\E', strtotime($row["datecommented"])).'</td>'; echo '</tr>'; } echo "</table>"

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  • Perl unit test - start a tcp server & continue

    - by John
    I am trying to write a unit test for a client server application. To test the client, in my unit test, I want to first start my tcp server (which itself is another perl file). I tried to start the tcp server by forking: if (! fork()) { system ("$^X server.pl") == 0 or die "couldn't start server" } So when I call "make test" after "perl Makefile.PL", this test starts & I can see the server starting but after that the unit test just hangs there. So I guess I need to start this server in background and I tried the "&" at the end to force it to start in background & then test to continue. But, I still couldn't succeed. What am I doing wrong? Thanks.

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  • How would one use Cocos2d to create a game like this.

    - by John Stewart
    http://itunes.apple.com/us/app/angry-birds/id343200656?mt=8&ign-mpt=uo%3D6 So I am getting started with this all game dev thing on iphone and I decided that I will start playing with Cocos2d as my starting engine. Now just so i have a goal in mind, I picked angry birds as my initial target of what sort of game play would I like to learn to build. This is not going to be a market release game. This is totally going to be learning purposes only. So to start off my question is: Would something like this be achievable using Cocos2d? How would I go about building the physics for this? How can one do a screen scroll like the way they do in cocos2d? (any example code would be great) This is just to start off. If you have any particular questions please do add to this question.

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  • Is this the right way to get the grand total of processors with WMI on a multi-cpu system?

    - by John Sheares
    I don't have access to a multi-socketed computer, so I am unsure if the following will get the grand total of processors and logical processors. I assume ManagementObjectSearcher will return an instance for each socketed CPU and I just keep a running total? int totalCPUs = 0; int totalLogicalCPUs = 0; ManagementObjectSearcher mos = new ManagementObjectSearcher("Select * from Win32_ComputerSystem"); foreach (var mo in mos.Get()) { string num = mo.Properties["NumberOfProcessors"].Value.ToString(); totalCPUs += Convert.ToInt32(num); num = mo.Properties["NumberOfLogicalProcessors"].Value.ToString(); totalLogicalCPUs += Convert.ToInt32(num); }

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  • Superfish drop down menu, how to fix z-index in ie6 and ie7?

    - by John Isaacks
    I am using the superfish plugin for jquery here: clicky it works fine in all modern browsers FF,Safari, Chrome, IE8 but it seems like the z-index is not working in ie6 and 7 you can see the menu is appearing, but being cut off by the elements below it. I have tried adding a z-index everywhere I can think of but nothing seems to fix this. How can I fix this? Thanks!!!

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  • What do I need to do to make sure my app launches as Admin?

    - by John Gietzen
    I'm writing an app that allows you to script the buttons from a wiimote into actions on your PC. It currently supports all of the features of the main remote control, except for the speaker. Now, I'm running in to trouble when I run it on Vista with UAC turned on. Any time a UAC'd window has focus, my app fails to move the mouse successfully. For instance, when an installer is run, I have to navigate it with the keyboard. Will running the app as administrator solve my problem? (At one point in time, I was able to successfully move the mouse over a UAC-password-entry box) How do I build a manifest that will tell windows to "run as administrator"? How do I embed this manifest into my app, if I'm strongly naming my assembly? How do I sign my application with an Authenticode cert? EDIT: Ok, so after some more extensive research, I have found: http://msdn.microsoft.com/en-us/library/bb756929.aspx <requestedExecutionLevel level="asInvoker|highestAvailable|requireAdministrator" uiAccess="true|false"/> However, the article says: Applications with the uiAccess flag set to true must be Authenticode signed to start properly. In addition, the application must reside in a protected location in the file system. \Program Files\ and \windows\system32\ are currently the two allowable protected locations. I have edited the question to reflect the new developments.

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  • Jquery autocomplete for input form, using Textpattern category list as a source

    - by John Stephens
    I'm using the Textpattern CMS to build a discussion site-- I have a firm grasp of XHTML and CSS, as well as Textpattern's template language, but PHP and Javascript are a bit beyond my cunning. On the input form to begin a new topic, users need to select a category from a list of over 5,000 options. Using the HTML select-type input element is very unwieldy, but it works. I would like to use some kind of Javascript magic to display a text-type input element that will read user input and display matches or autocomplete from the available categories, passing the required option's value into the appropriate database field. I've seen several autocomplete plugins for jquery, but the instructions presuppose that you understand how Javascript works. As I mentioned above, it's easy for me to generate the category list as a select-type input element, and I can hide that element using CSS. Is it possible to control select-list input using an autocomplete mechanism in a text-type input element? How would I do that?

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  • mysql union query

    - by Sergio
    The table that contains information about members has a structure like: id | fname | pic | status -------------------------------------------------- 1 | john | a.jpg | 1 2 | mike | b.jpg | 1 3 | any | c.jpg | 1 4 | jacky | d.jpg | 1 Table for list of friends looks like: myid | date | user ------------------------------- 1 | 01-01-2011 | 4 2 | 04-01-2011 | 3 I want to make a query that will as result print users from "friendlist" table that contains photos and names of that users from "members" table of both, myid (those who adding) and user (those who are added). That table in this example will look like: myid | myidname | myidpic | user | username | userpic | status ----------------------------------------------------------------------------------- 1 | john | a.jpg | 4 | jacky | d.jpg | 1 2 | mike | b.jpg | 3 | any | c.jpg | 1

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  • Error setting env thru subprocess.call to run a python script on a remote linux machine

    - by John Smith
    I am running a python script on a windows machine to invoke another python script on a remote linux machine. I am using subprocess.call with ssh to do this, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>') and this works fine. However, if I want to set some environment variables, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>', env={key1:value1}) it fails. I get the following error: ssh_connect: getnameinfo failed ssh: connect to host <hostname> port 22: Operation not permitted 255 I've tried splitting the ssh commands into list and passing. Didn't help. I've tried to run other 'local'(windows) commands thru subprocess.call() and tried setting the env. It works fine. I've tried to run other commands(such as ls) on the remote linux machine. Again, subprocess.call() works fine, as long as I don't try to set the environment. What am I doing wrong? Would I be able to set the environment for a python script on a remote machine? Any help will be appreciated.

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