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  • Different ways to specify libraries to gcc/g++

    - by abigagli
    I'd be curious to understand if there's any substantial difference in specifying libraries (both shared and static) to gcc/g++ in the two following ways (CC can be g++ or gcc) CC -o output_executable /path/to/my/libstatic.a /path/to/my/libshared.so source1.cpp source2.cpp ... sourceN.cpp vs CC -o output_executable -L/path/to/my/libs -lstatic -lshared source1.cpp source2.cpp ... sourceN.cpp I can only see a major difference being that passing directly the fully-specified library name would make for a greater control in choosing static or dynamic versions, but I suspect there's something else going on that can have side effects on how the executable is built or will behave at runtime, am I right? Andrea.

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  • Web app implementation question.

    - by John Berryman
    I would like to create a web app similar to Stack Overflow in that the users will have different "point" levels and that their capabilities within the web app will be different based upon their point level. Question: How can this best be implemented? How can it be implemented in a way that is un-hackable (i.e. accessing capabilities that should not be available)? I figure there are two ways to do this: server-side and client-side. For the server-side solution, for each page request you check who the user is and have the CGI rewrite the page so that the client only gets a web page with the intended capabilities. For the client-side solution, the server gives the client the fully capable app and it is the client's job to check the point level and to handicap the app appropriately. It seems like the client-side solution would be easier on the server, (which is really important for my app), but more susceptible to someone hacking and using capabilities unwarranted by their point level.

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  • Is it possible to run a compiled program with Xcode on Mac OS X in FreeBSD? (Objective-C/Cocoa)

    - by Eonil
    Hi. I have a plan to build a web-site which running CGI made with Cocoa. My final goal is develop on Mac OS X, and run on FreeBSD. Is this possible? As I know, there is a free implementation of some NextStep classes, the GNUStep. The web-site is almost built with only strings. I read GNUStep documents, classes are enough. DB connection will be made with C interfaces. Most biggest problem which I'm concerning is linking and binary compatibility. I'm currently configuring FreeBSD on VirtualBox, but I wanna know any possibility informations about this from experts. This is not a production server. Just a trial. Please feel free to saying anything.

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  • How Do I Rollout WP-Cache To 1000 WordPress Blogs?

    - by Volomike
    My client has 1000 WordPress blogs hosted on a server for customers. Each one is in its own domain through cpanel and SuPHP, running in CGI mode on Apache2.2. Now he wants me (I'm the PHP programmer) to get WP-Cache loaded out on each of these blogs and not just activated, but enabled. He also wants the timeout value set to 2 days instead of the default setting. I have root on LAMP. What is the preferred way to roll out an update to each blog such that on a page view, it sees if WP-Cache is enabled or not. If not, it needs to copy it out from a central source, activate it, and then enable it along with the different timeout value being used.

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  • How to check if file exists in Apache

    - by Rick
    I've set this up successfully in IIS in the past, but i'm not sure how to do it in Apache. I want to check to see if a file exists, whether it be: /path/to/file.php /path/to/file.cfm /path/to/file.html /path/to/ If the file does not exist, I want to redirect to /404/, where I have a file that does all 404 related handling. Lastly, when doing this in IIS, it gave me a CGI.QUERY_STRING of something like: 404;http://example.com/prettyurl Can apache do the same? This is what i've tried to so far, to no success. (I'm probably way off here...) RewriteEngine on RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_URI} -f RewriteRule (.*)$ /404/ [R,L,NC] Thanks..

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  • C# Drag and Drop Effect with Overlay/Opaque Image

    - by CallMeLaNN
    Hi, I think this would be simple question and should be asked in the pas few years but unable to google around and dont know if there is a specific keyword. In c# WinForm I want to do drag and drop but I dont want the image of DragDropEffects Move, Copy or whatever. I want to display an image with half opaque. Just like Firefox when dragging an image, you would see the image folowing the mouse pointer like a ghost :) I already Implement DoDragDrop, DragEnter and DragDrop events. I just want to customize the dragging effects with overlay image.

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  • PHP sleep accuracy

    - by Abs
    Hello all, I use the following code to see how long a user is on a particular page. I use a hidden image with a src attribute to this script: $timer_seconds = 1; while(!connection_aborted()) { echo "\n"; flush(); sleep(1); $timer_seconds++; } I sometimes find this can be off by 5-10 seconds! I am guessing its the load of the server that effects the timing?? Is there anyway I can make this accurate? Thanks all for any help.

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  • How do i tint an image with HTML5 Canvas ?

    - by djdolber
    My question is, what is the best way to tint an image that is drawn using the drawImage method. The target useage for this is advanced 2d particle-effects (game development) where particles change colors over time etc. I am not asking how to tint the whole canvas, only the current image i am about to draw. I have concluded that the globalAlpha parameter affects the current image that is drawn. //works with drawImage() canvas2d.globalAlpha = 0.5; But how do i tint each image with an arbitrary color value ? It would be awesome if there was some kind of globalFillStyle or globalColor or that kind of thing...

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  • jQuery cookie behaves differently on local machine vs production server

    - by user1810414
    I'm setting a jQuery cookie for some site javascript effects. I'm setting expiration date to 30 days. On local development machine cookie expiration is set properly, whereas on production expiration is being set to end of session. After inspecting the created cookies with web develoer tools, everything is identical except production machine cookie is marked as "session cookie" and setting expiration is disallowed, while cookie created on local development machine is not set to "session" and expiration date is editable. Is there a way to make production machine cookie accept the expiration date? This is how I set the cookie: $.cookie('skip_animation','skip', 2592000); Using jQuery 1.6.4 (legacy site) All browsers behave the same way

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  • Remove Attributes onmouseover and onmouseout

    - by Abs
    Hello all, I am trying to make use of JQuery's remove attribute like this: $('#rom-img_1').removeAttr('mouseover'); $('#rom-img_2').removeAttr('mouseout'); However, it does not remove the effects of the events as the events are still triggered on mouseover and on mouseout. I have tried adding "on" before the events names too but JQuery doesn't use it like that. Why isn't this working and how can I remove those attributes. This is a bit of the HTML: <div onmouseout="$('#heart_401').css({'display':'none'});" onmouseover="$('#heart_401').css({'display':'block'});" id="row-img_11"></div> Thanks all for any help

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  • Cakephp ajax Autocomplete not working

    - by Vijay Kumbhar
    Hello All, I am using ajax autocomplete in my application, but it is not giving the output. Ajax request to the desired function goes but it is not giving back any response, it is blank. I am also using jquery but it is used for other effects. i added jquery no conflict to avoid the prototype & jquery conflicts. I have tried other ajax helper methods like obeserverfield, it is working fine & returning the proper response, but when i use autocomplete it fails Can anybody help me ..........

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  • Can I use Blender to create 3D wall image viewer application under Linux?

    - by sgon00
    Hi, Is that possible to use Blender to create Cooliris-like 3D wall image viewer application under Linux? I don't see many people use Blender (BGE) to create desktop application, so I am wondering if this is possible. People normally use Blender for modeling/movie and game engine. I can not find a good way to create 3D application in Linux so far. I was thinking about pyQT+opengl. But I feel that is hard to do. No robust and easy-to-use qt+opengl toolkit available from my research. I know a little bit of Blender, that's why I am asking if Blender is an alternative solution. (python is preferred) The image viewer doesn't have to be windowed. It can be full screen, like a game?. I would like to add many cool effects into this application. Hopefully cooler than Cooliris which is written in flash. Thanks a lot.

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  • Is there a difference between NSString compare: and isEqual(ToString): ?

    - by frenetisch applaudierend
    Occasionally I find code which tests if two NSStrings are the same like this: if ([str1 compare:str2] == NSOrderedSame) { // Do something } Now, I believe this is less readable than using isEqualToString: and it also has some nasty side effects, like if str1 == nil the if(..) evaluates to true, or when str2 == nil havoc might break upon us according to the Apple docs. But before I crusade against those statements in my companys code, I wanted to make sure I didn't miss some important point. So my question basically boils down to: Is there any difference between a compare: to NSOrderedSame and isEqual:?

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  • mdi child forms slow to draw when visibility changed

    - by dandan78
    My application has the following UI configuration: The main form is an MDI container. Its child forms are attached to a tabstrip. Each user has his set of child forms. Depending on the active user, only that user's child forms are displayed, together with tabs. This is achieved by going through the main form's MdiChildren and setting their Visible property to false/true depending on the active user. This has two undesired effects. One is that every child form gets redrawn in succession, which is ugly and slow. The other is that for some reason the forms go from maximized to normal, effectively undocking them from the main form. Is there any way to display just one of the child forms, such as the one the user was previously looking at, and get the others to stay in the background? The maximize/normal thing is not that big a deal because I can maximize them again manually.

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  • iphone/ipad with 2 side by side tables

    - by jesse001
    I want to create a view with 2 tables side by side, where selecting the row on 1 table effects the content of the other and vice versa (not parent child). My problem is how to send the request. I started with a utility app using core data, and added 2 table view controllers. I added these to the main view nib and moved the tables to the view. One table controls a list from Core Data, then on selecting a row I want it to move to the other table which is based on a mutable array. On didselectrow I want to tell the other table to update, however I can only find samples that are parent/child so involves initializing. Does anyone know of a way to do this for an active view? Thanks heaps for your help.

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  • Basic help needed with pointers (double indirection)

    - by sbsp
    Hi, i asked some time ago on an account i cant remember how to manipulate basic pointers and someone gave me a really good demo for example char *ptr = "hello" (hello = a char array) so now *ptr is pointing at h ptr++ = moves the ptr to point at the next element, to get its value i do *ptr and that gives me e ok so far i hope :D but now i need to manipulate a char **ptr and was wondering how I do this in a way that mimmicks the effects of a 2d array? some basic tips would be much appreciated as I need to do an assignment that has a **ptr to imitate a 2d array and without knowing how it does this first means I cant even solve it on paper (for example, how do you dereference a **ptr, how do you get [x][y] values etc) thanks

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  • Load DOM before css?

    - by Tim
    My jQuery code sets the height of an element to 0px as soon as the page loads, then animates it to 500px. In my CSS, this element is already set to 500px (in case anyone has javascript turned off). I tried 'DEFER' on the tag where I link to the stylesheet so that the CSS loads in last of all, but that causes a blank white page to show up between navigating through pages - which I don't want, because I lose the smooth page transition effects that I am after. Is there a way that I can set the height in the CSS to 0px and IF javascript IS turned off, have it set to 500px, perhaps? :\ That's what I'm after, in effect. Any ideas? Many thanks for your help.

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  • How can I *prevent* Apache2 from setting the Content-Type header?

    - by Norm
    I have a CGI script that prints the following on stdout: print "Status: 302 Redirect\n"; print "Server: Apache-Coyote/1.1\n"; print "Location: $redirect\n"; print "Content-Length: 0\n"; print "Date: $date\n\n"; Where $redirect and $date are reasonable values. What Apache2 actually sends also includes a Content-Type: header (text/plain). I've commented out the DefaultType in the server configuration file. I'm trying to debug a downstream problem that arises when no Content-Type: header is sent. So what magic incantation do I have to perform to prevent Apache2 from adding the content type header?

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  • mod_perl and libs

    - by paulj3000
    Hi, I just installed my system with Oracle 64bit Linux5.4 running Apache Server version: Apache/2.2.3 and mod_perl 2. Now, I have my perl libraries set in a specific path: /my/perl/libs and I have adjusted my httpd.conf to compensate for this (I added the below): SetEnv MY_LIBS /my/perl/libs and in my cgi I'm setting my environment to compensate: use lib($ENV{'MY_LIBS'}); Now the problem: Sometimes my perl modules will recognize the path of /my/perl/libs and call all the functions appropriately, and sometimes they won't, thus thowing a 500 error. Some observations: when I restart apache (/etc/init.d/httpd restart), things work fine but then the 500 error comes up. Are there any ideas? What should I be looking at? Thanks

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  • Creating a map in HTML, CSS, SVG?

    - by yeeeev
    Hi, I would like to create a web based regional map that would enable the user to click in order to choose a region on the map, and will also have some visual effect (resizing, etc) when hovering over one of the regions. I want the map to work on desktops and mobile devices. I'm having doubts regarding the best technology to use here when I'm mainly considering traditional image maps vs.SVG. Image map are more widely supported, but any animation that effects only a single area in the map must be hacked over. SVG is a more natural fit, but is not supported by Android (old IEs can work using svgweb) Any advice? Any other option I'm overlooking?

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  • global applied stylesheet link on debian box

    - by James
    Hi there, Having some trouble identifying what is wrong with my link to an external CSS stylesheet... I am using a debian box to host some things... including a file i am accessing page.py which is located in /var/www/cgi-bin. I need this page to link to a css file which currently has the pathname /var/www/styles.css. Now I know I could link as: <link rel="stylesheet" href="**../styles.css**" type="text/css"> and the problem is solved but I would rather have a 'global' link, that I can use in other py files elsewhere in my filesystem and they will all point to /var/www/styles.css The information I have searched suggests that <link rel="stylesheet" href="**/var/www/styles.css**" type="text/css"> should work fine... but it doesn't. I have tried multiple combinations of everything I know but it doesn't seem to link as I would expect. Can anyone point me in the right direction?

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  • Pygame - Different sided collision question!

    - by Alex Lockwood
    Hi there everyone! I'm making a Pygame of, basically, "Breakout". I'm using collisions, and want a simple way to have different bounce effects of the different sides of one rectangle. What I currently have for the ball-to-bat collision is this: "dot" = ball; "bat" = bat; so you all understand. if dot.rect.colliderect(bat.rect):<br> dot.dy *= -1 I'd like something that interacts with each side, so could reverse the self.dx value of the ball when it hits the side of the bat, and only reversing the self.dy value when it strikes the top. Thanks!!! :D

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  • Problem when using \LaTeX \includegraphics with some PDF files

    - by brandstaetter
    I noticed some strange effects when including existing pdf graphics in my laTeX documents: Most file work flawlessly, but some PDFs that were created on a different machine (or from the web) cause the whole page on which they are embedded to become ever-so-slightly distorted. I only notice the difference in a side-by-side comparison, but once you see it, it's obvious. The text layout seems slightly broken, and when you zoom in you can see it better. I will try to make some screenshots to further elaborate, but in the meantime: Has anyone seen this before and how can I get rid of these distortions?

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  • File encodings with ruby

    - by pablorc
    Hi, I'm having a bit problems with file encodings. I'm receiving a url-encoded string like "sometext%C3%B3+more+%26+andmore", unescape it, process the data, and save it with windows-1252 encoding. The conversions are these: irb(main) >> value => "sometext%C3%B3+more+%26+andmore" irb(main) >> CGI::unescape(value) => "sometext\303\263 more & andmore" irb(main) >> #Some code and saved into a file using open(filename, "w:WINDOWS-1252") irb(main) >> # result in the file: => sometextA³ more & andmore And the result should be sometextó more & andmore

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  • ASP.NET MVC 2 Client Side Validation doesn't work as advertised in VS2010

    - by Daniel Crenna
    In VS2010 and ASP.NET MVC 2, it seems that client-side validation (JQuery Futures or the stock option) doesn't quite work as advertised. I'm noticing that "tabbing off" a validated element will not invoke the client-side validation as promised. For a required field, you have to tab into the element, enter something, then remove it completely, in order to trigger the required validation. That's not really what I'm after here, and I'm hoping it's just a configuration issue on my side. How do I get the validation effects from previous versions so that a previous value isn't necessary (without having to modify the client-side scripts if possible)?

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