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  • Embedding Python in C: Having problems importin local modules

    - by Drew
    I'm needing to run Python scripts within a C-based app. I am able to import standard modules from the Python libraries i.e.: PyRun_SimpleString("import sys") But when I try to import a local module 'can' PyRun_SimpleString("import can") returns the error msg: Traceback (most recent call last): File "", line 1, in ImportError: No module named can When I type the command "import can" in iPython, the system is able to find it. How can I link my app with can? I've tried setting PYTHONPATH to my working directory. Thanks.

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  • Dreamweaver recordset filter - Display all records as default

    - by Drew
    I am trying to create a simple search form to filter the results in the dynamic table. The search form is on the same pages as the results and posts to itself. I get the search string from the post variable. It is working, but I can't figure out how to set the default value to display all results. Dreamweaver automatically sets the default value to -1, and therefore no results are displayed on the initial load. How do I change this to display ALL records as default and the filter only if there is search string defined.

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  • OpenGL - GL_FRONT versus GL_FRONT_AND_BACK

    - by Drew Noakes
    I'm tinkering with an open source project that uses OpenGL for rendering in 3D. In the construction of the materials I see code like this: // set ambient material reflectance glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mAmbient); In other examples, this is used: glMaterialfv(GL_FRONT, GL_AMBIENT, mAmbient); So my question is, what is the difference here? Under what circumstances would it look different and, if my volume is enclosed with all normals pointing outwards, is there any performance difference?

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  • Is Catching a Null Pointer Exception a Code Smell?

    - by Drew
    Recently a co-worker of mine wrote in some code to catch a null pointer exception around an entire method, and return a single result. I pointed out how there could've been any number of reasons for the null pointer, so we changed it to a defensive check for the one result. However, catching NullPointerException just seemed wrong to me. In my mind, Null pointer exceptions are the result of bad code and not to be an expected exception in the system. Are there any cases where it makes sense to catch a null pointer exception?

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  • Add RESTful Action

    - by Drew Rush
    The source of my information is section 2.9 here: [http://guides.rubyonrails.org/routing.html#connecting-urls-to-code][1] What I'm trying to do is add a custom action "search" and corresponding view. So, as it says to do in the documentation, I've added this code in my config/routes.rb file: resources :dimensions do collection do get "search" end end I've also defined in the dimensions_controller file: def search @dimensions = Dimension.all respond_to do |format| format.html # search.html.erb format.json { render json: @dimensions } end end I then stopped and restarted the rails server, but when I navigate to /dimensions/home, I'm still getting this error message: Couldn't find Dimension with id=search Also showing that my parameter is: {"id"=>"search"} So am I just missing another bit of code that gives the instruction to interpret /dimension/search as a collection action as opposed to the show action? Thanks for your time.

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  • Example of a RoboCup 3D Soccer bot?

    - by Drew Noakes
    I'd like to write a bot to play in the 3D RoboCup simulated soccer league. Can anyone point me at some code that already deals with communication with the server, etc? Ideally this would be .NET code, but an example produced in any language would still be useful. EDIT For anyone who is not familiar with the RoboCup 3D Soccer league, check out this YouTube video. It has some pretty funny moments, if you're into that sort of thing...

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  • Creating a User Registration Page using MongoEngine

    - by Drew Watkins
    I am currently working an a webapp, using mongoengine and django, which will require users to create an account from a registration page. I know MongoEngine has an authentication backend, but does it also include a registration form, etc..., like django itself does? If not, are there any example projects which show how to implement this? The only open-source mongoengine project I've found is django-mumblr, but I can't find the examples I want in it. I'm not interested in alternative options, such as MongoKit or mango for handling authentication. I am just getting started with django and mongoDB, so please excuse my lack of knowledge. Thanks in advance for the help!

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  • Faster alternative to Python's SimpleHTTPServer

    - by Drew Noakes
    Python's SimpleHTTPServer is a great way of serve the contents of the current directory from the command line: python -m SimpleHTTPServer However, as far as web servers go, it's very slooooow... It behaves as though it's single threaded, and occasionally causes timeout errors when loading JavaScript AMD modules using RequireJS. It can take five to ten seconds to load a simple page with no images. What's a faster alternative that is just as convenient?

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  • Does everything inside a <ul> have to be wrapped in an <li>?

    - by Drew
    Hello, I need some guidance about nested lists in HTML. I have a layout that I would like to be built like below. Is it a terrible thing to nest an element not wrapped by an <li>? I'm fairly sure that it is against standards, but don't know what ill effect it has. <ul> <li> <h1>header 1</h1> <li> <ul> <li>nested</li> <li>list</li> </ul> </li> </li> <li> <h1>header 2</h1> <li> <ul> <li>nested</li> <li>list</li> </ul> </li> </li> </ul>

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  • Is it possible to make JQuery keydown respond faster?

    - by Drew Paul
    I am writing a simple page with JQuery and HTML5 canvas tags where I move a shape on the canvas by pressing 'w' for up, 's' for down, 'a' for left, and 'd' for right. I have it all working, but I would like the shape to start moving at a constant speed upon striking a key. Right now there is some kind of hold period and then the movement starts. How can I get the movement to occur immediately? Here the important part of my code: Your browser does not support the HTML5 canvas tag. start navigating coords should pop up here key should pop up here var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); //keypress movements var xtriggered = 0; var keys = {}; var north = -10; var east = 10; var flipednorth = 0; $(document).ready(function(e){ $("input").keydown(function(){ keys[event.which] = true; if (event.which == 13) { event.preventDefault(); } //press w for north if (event.which == 87) { north++; flipednorth--; } //press s for south if (event.which == 83) { north--; flipednorth++; } //press d for east if (event.which == 68) { east++; } //press a for west if (event.which == 65) { east--; } var msg = 'x: ' + flipednorth*5 + ' y: ' + east*5; ctx.beginPath(); ctx.arc(east*6,flipednorth*6,40,0,2*Math.PI); ctx.stroke(); $('#soul2').html(msg); $('#soul3').html(event.which ); $("input").css("background-color","#FFFFCC"); }); $("input").keyup(function(){ delete keys[event.which]; $("input").css("background-color","#D6D6FF"); }); }); </script> please let me know if I shouldn't be posting code this lengthy.

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  • c++ Initializing a struct with an array as a member

    - by Drew Shafer
    I've got the following reduced testcase: typedef struct TestStruct { int length; int values[]; }; TestStruct t = {3, {0, 1, 2}}; This works with Visual C++, but doesn't compile with g++ under linux. Can anyone help me make this specific kind of initializer portable? Additional details: the actual structure I'm working with has several other int values, and the array can range in length from a single entry to over 1800 entries. Any help much appreciated. Thanks!

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  • How to configure ldap login with php

    - by Drew G
    I'm attempting to implement a login that works with ldap, My extension=php_ldap.dll is uncommented in both of my php config files, ldap shows up in my phpinfo() I have access to AD and I've been using dsquery to snoop around. So I believe I'm very close to achieving my goal function authenticate($user, $password) { $ldap_host = "na.ad.mycompanyname.com"; $ldap_dn = "CN=USA-USERS,DC=ad,DC=mycompanyname,DC=com"; $ldap_user_group = "Domain Users"; $ldap_manager_group = "Domain Admins"; $ldap_usr_dom = "@na.ad.mycompany.com"; So for now when I enter my login credentials, it fails and I get the appropriate error, my question is, what information do I need to enter and which dsquery commands should I use? Without being spoonfed, could someone point me in the right direction? I've done some extensive research, but nothing I could find really assists with figuring out which CN's and OU's to use. Yes I realize I need to be using the correct CN's and OU's that correspond to my location, but I've been trying the guess and check method to no avail, so I figured I would ask. Any assistance is appreciated. THANKS!!!

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  • Javascript Function like Objects i.e. "$" can be used as a function e.g. $() as well as an object $.

    - by Drew
    Questions in the title. I've always wondered and failed to find out from the jQuery source. How this is done. To reiterate. In jQuery: how does the "$" become a function e.g."$()" as well as an object "$." I can create it one way OR the other like so... var $ = function(){ return {each:function(){console.log("Word")}} } // $.each(); FAIL! $().each(); // Word var $ = { each:function(){console.log("Word")} } $.each(); // Word //$().each(); FAIL!

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  • heartbeat: Bad nodename in /etc/ha.d//haresources [node1]

    - by Richard
    I'm trying to start heartbeat on Ubuntu 10.04 with service heartbeat start, but getting the following errors: heartbeat[24829]: 2011/11/22_19:31:07 ERROR: Bad nodename in /etc/ha.d//haresources [node1] heartbeat[24829]: 2011/11/22_19:31:07 ERROR: Configuration error, heartbeat not started. On on server uname -n produces loadb1, on the second server uname -n produces loadb2. The two servers can ping each other okay with those names. This is /etc/ha.d/ha.cnf on both servers: debugfile /var/log/ha-debug logfile /var/log/ha-log logfacility local0 keepalive 2 deadtime 10 udpport 694 bcast eth1 ucast eth0 my.external.ip ucast eth0 my.external.ip ucast eth1 10.0.0.5 ucast eth1 10.0.0.6 #udp eth0 node loadb1 node loadb2 auto_failback off And this is /etc/ha.d/haresources on both servers: node1 IPaddr::46.20.121.113 httpd smb dhcpd Authkeys is also set up. What am I doing wrong? The part where I'm least clear is the ucast/bcast lines.

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  • Continual "The Windows Filtering Platform has blocked a connection" errors?

    - by Richard
    Our systems have been compromised by something recently which has lead us to carry out a more detailed look at what is happening on our workstations. I have noticed an issue where the Security log of this Windows 7 workstation is continually logging a security "Audit Failure" where the detail is that "The Windows Filtering Platform has blocked a connection". This is happening thousands of times a day and would appear to be our BT Business Broadband HGV 2700 ADSL router attempting to connect to Port 137 (NET Bios) on my workstation and being blocked. This has unfortunately had the effect of filling up the log files so much that anything which might have been of use which was logged over the weekend to help debug the intrusion has been "overwritten off the end" of the Security log. (I've since increased the log file size limits massively and turned on archiving). Does anyone know if this is standard behaviour of a BT ADSL router or whether this indicates that the router is compromised in some way or malfunctioning, or have any further suggestions as to how to diagnose this problem?

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  • Unix/Linux find and sort by date modified

    - by Richard Easton
    How can I do a simple find which would order the results by most recently modified? Here is the current find I am using (I am doing a shell escape in PHP, so that is the reasoning for the variables): find '$dir' -name '$str'\* -print | head -10 How could I have this order the search by most recently modified? (Note I do not want it to sort 'after' the search, but rather find the results based on what was most recently modified.)

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  • Exchange 2010 DAG Automatic Failover Testing/Issue. Not always automatically failing over to health

    - by Richard
    Ok I've got 2 exchange 2010 servers that run client access/hub transport/mailbox roles and one exchange 2010 server running just client access/hub transport roles and acts as my bridgehead. The two mailbox servers are running one database setup in a DAG. Server A shows the DB Mounted and Server B shows Healthy. If I reboot Server A via windows GUI Server B switches from healthy to mounted and I see hardly any interruption in service using Outlook 2007. Server A shows "Service down", then "Failed" then "Healthy" and leaves the DB mounted on Server B. This is how it should work, so far so good. Now if I test Server A being shut down cold, or unplugging both nics from network to simulate failure, Server B switches from Healthy to Mounted and server A switches to "Service Down" but my outlook client never connects to the DB mounted on server B! I can connect to server C (client access/hub transport) and get to my email and even send new email out, but incoming email doesn't deliver until Server A is brought back online and it's DB goes back to Healthy status. So I don't understand why it auto fail-overs when I reboot the server with the mounted DB copy, causing very little outlook 2007 hiccup if any. But when I shutdown or DC the mounted DB server it DOES mount the healthy copy but outlook 2007 clients can't connect.. I hope the picture I'm trying to paint makes some sense, it's driving me a little batty. Any help would be appreciated!

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  • Juniper EX3300 routing issue

    - by Richard Whitman
    The routing on my Juniper EX3300 does not seem to be working. My ISP's gateway is at xx.xx.xx.xx. And I have the following in the configuration: routing-options { static { route 0.0.0.0/0 { next-hop xx.xx.xx.xx; retain; } } } I can ping to my ISP's gateway from the switch. However, I can NOT ping to any other IP. When I do a traceroute (to Google.com's IP). This is what I get: traceroute to 74.125.224.69 (74.125.224.69), 30 hops max, 40 byte packets traceroute: sendto: No route to host 1 traceroute: wrote 74.125.224.69 40 chars, ret=-1 *traceroute: sendto: No route to host Do I need to enable any protocols? I guess this goes without saying, but I am kind of new to Junos. Update: This is the output from show interfaces terse | match inet: bme0.32768 up up inet 128.0.0.1/2 jsrv.1 up up inet 128.0.0.127/2 vlan.0 up up inet 10.0.1.1/24 vlan.1 up up inet xx.xx.xx.110/30 and this is the output from: show route forwarding-table: Routing table: default.inet Internet: Destination Type RtRef Next hop Type Index NhRef Netif default perm 0 rjct 36 1 0.0.0.0/32 perm 0 dscd 34 1 10.0.1.0/24 intf 0 rslv 1321 1 vlan.0 10.0.1.0/32 dest 0 10.0.1.0 recv 1319 1 vlan.0 10.0.1.1/32 intf 0 10.0.1.1 locl 1320 2 10.0.1.1/32 dest 0 10.0.1.1 locl 1320 2 10.0.1.3/32 dest 1 0:25:90:63:26:53 ucst 1331 2 vlan.0 10.0.1.255/32 dest 0 10.0.1.255 bcst 1318 1 vlan.0

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