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  • Why does my JButton look differently of different computers?

    - by Roman
    I use JButtons in my application. They need to have different colors. First I used that btn.setBackground(col);. It works on my computer and on another computer my button just gray (not red, as it's supposed to be). Trying to solve this problem I decided to use images. I do it in the following way: tmp = new JButton(newIcon); Again, it works fine on my computer and on another computer I see just gray buttons. Does anybody have any ideas what can be the reason of the problem and how it can be solved? I heard it can be related to "look-and-feel of the native system". But I do not know what it means and what should I do if it is the case? Can anybody pleas, help me with that?

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  • Android - When to use Service

    - by Chris
    This question is related to my previous question: http://stackoverflow.com/questions/2786720/android-service-ping-url So I have an Android app that on the click of a button, opens up a web page. Now, in the background I want to call another http url for gathering stats. My question is does this have to be a service? I know a service is for background tasks that run for an indefinite period of time, while the user is busy doing something else. In my case, all I really need is to get the URL in the background, not show it to the user, instead show the web page to the user. Can I just not write code to get contents of the http url and fire up the activity that displays the web page? Coz all I want is to get the url in the background and be done with it. Or does this have to be done using the Service class? I am confused. Thanks Chris

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  • Modern, Non-trivial, Pygame Tutorials?

    - by Gregg Lind
    What are some 'good', non-trivial Pygame tutorials? I realize good is relative. As an example, a good one (to me) is the one that describes how to use pygame.camera. It's recent uses a modern PyGame (1.9) non-trivial, in that it shows how to use it the module for a real application. I'd like to find others. A lot of the ones on the Pygame site are from 1.3 era or earlier! Info on related projects, like Gloss is welcome as well. (If your answer is "read the source of some pygame games", please link to the source of particular ones and note what is good about them)

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  • python os.execvp() trying to display mysql tables gives 1049 error - Unknown database error.

    - by Hemanth Murthy
    I have a question related to mysql and python. This command works on the shell, but not when I use os.execvp() $./mysql -D test -e "show tables" +----------------+ | Tables_in_test | +----------------+ | sample | +----------------+ The corresponding piece of code in python would be def execute(): args = [] args.extend(sys.argv[1:]) args.extend([MYSQL, '-D test -e "show tables"']) print args os.execvp(args[0], args) child_pid = os.fork() if child_pid == 0: os.execvp(args[0], args) else: os.wait() The output of this is: [./mysql', '-D test -e "show tables"'] ERROR 1049 (42000): Unknown database ' test -e "show tables"' I am not sure if this is a problem with the python syntax or not. Also, the same command works with os.system() call. os.system(MYSQL + ' -D test -e "show tables"') Please let me know how to get this working. Thanks, Hemanth

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  • Facebook Connect Post Feed from iPhone App without preview Broken!? URGENT!

    - by nephilite
    Hello All: I just downloaded the latest FBConnect build, popped in my keys and getting a mysterious hanging error only when I try to post a feed without previewing (setting preview to zero). The activity indicated disappears and the blank dialog window just hangs there. (This mirrors what I was getting on the app I was developing). If I try to post a feed with preview it works; set preview to zero it just hangs. Again; thats with the sample project "Publish Feed" button. Hitting getting permission button and then Publish Feed does same thing...... Other Developers have confirmed seeing this too...Apps that have previously had working feed posts have been broken for weeks. Discussions on facebook connect forum seem to be related to this. More Info Here: http://forum.developers.facebook.com/ I have to submit my app to apple in less than 3 hours... please assist!

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  • Need help making row of buttons consistent

    - by oliverghingold
    I'm making my first website, and I'm trying to make variable-sized buttons so they'll render correctly on low resolution (read: mobile) browsers. Currently I just have the usual rollover image solution (185 pixels wide by 37 tall if anybody cares), but when I preview the site in low resolution it looks, predictably enough, like complete crap (more specifically they don't have room so they arrange vertically instead of horizontally and take up a huge amount of screen real estate). Semi-related, is there a way to overlay text on a button without saving separate images, each with the correct text? Just using a single template for buttons and then deciding what text goes on it as it's needed? tl;dr: I'm trying to get a horizontal lineup of buttons for navigating my website, but I'm a noob and I can't do it right without your generous assistance.

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  • What do the different columns (of letters) mean for the svn merge output?

    - by James
    The output of SVN merge has 4 columns of letters listed before the file name. I understand the meaning of the letters (mostly) but I can't find any information on the meanings of the columns and so only have a vague understanding based on context. Can anyone point me to the documentation on this? Based on context I've been able to infer that column: Is about text changes to a file Seems to be related to use of the svn ignore command on a folder (or maybe it's just properties of the file?) I've never seen a letter in the third column and hence I have no idea what it means. Might be tree conflicts? This is the one I'm mostly worried about because I don't know how to handle it yet.

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  • WPF/MVVM - should we create a different Class for each ViewModel ?

    - by FMFF
    I'm attempting the example from the excellent "How Do I" video for MVVM by Todd Miranda found in MSDN. I'm trying to adapt the example for my learning purpose. In the example, he has a ViewModel called EmployeeListViewModel. Now if I want to include Departments, should I create another ViewModel such as DepartmentListViewModel? The example has EmployeeRepository as the Data Source. In my case, I'm trying to use an Entity object as the datasource (Employees.edmx in Model folder and EmployeeRepository.cs in DataAccess folder). If I want to display the list of Departments, should I create a separate class called DepartmentRepository and put all department related method definitions there? What if I want to retrieve the employee name and their department's name together? Where should I place the methods for this? I'm very new to WPF and MVVM and please let me know if any of the above needs to be re-phrased. Thank you for all the help.

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  • ASMX Still slow after 'Generate serialization assembly'

    - by Buzzer
    This question is related to: http://stackoverflow.com/questions/784918/asmx-web-service-slow-first-request. I inherited a proxy to a legacy ASMX Service. Basically as the post above states, the first call performance is literally 10 times slower than the subsequent calls. I went ahead and turned on ‘Generate serialization assembly' on the project that contains the proxy. The 'serializers' assembly is actually generated. However, I haven't seen any performance increase at all. Do I need to do anything else other than make sure the 'serializers' assembly is in the client's bin directory? Do I have to 'link' the proxy to the 'serializers' assembly during proxy generation (wsdl.exe)? I guess I'm stuck at this point. J Saunders where u at? :)

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  • How to redirect output away from /dev/null

    - by Gowtham
    I have an application that runs the a command as below: <command> >& /dev/null I have no control on this. All the o/p generated by this command goes to /dev/null. I want the output to be visible on screen or redirected to a log file. I tried to use freopen() and related functions to reopen /dev/null to another file, but could not get it working. Do you have any other ideas? Is this possible at all? Thanks for your time. PS: I am working on Linux. -Gowtham

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  • Anyone got Twitter xAuth working with the Compact Framework yet?

    - by peSHIr
    This question is related to a number of other questions on oAuth on the Compact Framework (one, two) but seems slightly more specific to me, as it specifically involves getting Twitters xAuth API call (meant for non web applications to be able to do oAuth) working on the Compact Framework. Are SSL HTTP connections and the encryption methods needed for xAuth needed part of Compact Framework 3.5? Did anyone get the Twitter xAuth working on Windows Mobile already? If so, what libraries did you use for this? Any tips are welcome.

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  • Download attachment issue with IE6-8 - non ssl

    - by Arun P Johny
    I'm facing an issue with file download with IE6-8 in non ssl environment. I've seen a lot of articles about the IE attachment download issue with ssl. As per the articles I tried to set the values of Pragma, Cache-Control headers, but still no luck with it. These are my response headers Cache-Control: private, max-age=5 Date: Tue, 25 May 2010 11:06:02 GMT Pragma: private Content-Length: 40492 Content-Type: application/pdf Content-Disposition: Attachment;Filename="file name.pdf" Server: Apache-Coyote/1.1 I've set the header values after going through some of these sites KB 812935 KB 316431 But these items are related to SSL. I've checked the response body and headers using fiddler, the response body is proper. I'm using window.open(url, "_blank") to download the file, if I change it to window.open(url, "_parent") or change the "Content-Disposition" to 'inline;Filename="file name.pdf"' it works fine. Please help me to solve this problem

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  • plist vs static array

    - by morticae
    Generally, I use static arrays and dictionaries for containing lookup tables in my classes. However, with the number of classes creeping quickly into the hundreds, I'm hesitant to continue using this pattern. Even if these static collections are initialized lazily, I've essentially got a bounded memory leak going on as someone uses my app. Most of these are arrays of strings so I can convert strings into NSInteger constants that can be used with switch statements, etc. I could just recreate the array/dictionary on every call, but many of these functions are used heavily and/or in tight loops. So I'm trying to come up with a pattern that is both performant and not persistent. If I store the information in a plist, does the iphoneOS do anything intelligent about caching those when loaded? Do you have another method that might be related?

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  • Getting php tips and tutorials as daily emails to improve the knowledge in php programming

    - by Sourabh
    Hi Thanks for your time. This question is related to php programming but not a programming question.I have a young team of php (LAMP + javascript) programmers.I want them to learn better coding and keep themselves updated with the latest advancements in web domain. I was thinking if there was any web site which send daily emails about php questions / problems/ solutions to common problems/ tips which will practically help the people to spend 10-15 minutes daily and enjoy the learning.This will also kind of automate the habit of self learning on daily basis. There are lots of PHP forums and php tutorials website, I tried to google but I did not find any website which does what I am looking for. Please let me know if you know such website.If you have any other ideas to achieve the goal are also welcome. -Sourabh

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  • Simple User Access Control with CodeIgniter framework Code (ACL) Library

    - by Hafiz Arslan Akbar
    Friends, I am new User of PHP n CodeIgniter. I just want do a simple task, user access control. there are 5 different user in a class,, I have to write a code which gives just one line output for one user. for example,, by using ACL library, just pick one out put. deal with basic level... Manager , Teacher , Student , Chairperson PHP page contain one text box and button. by using ACL library we just put one code or string in textbox and get related output... some thing like this... text box contain 1, Now Manager access Control,, text box contain 2, Now Teacher Access Control,, text box contain 3, Chairperson access control.. Plz guide step by step. Thanx in advance dear.......

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  • What does Visual Studio 2008 do when I add an assembly reference?

    - by tk-421
    When I add a reference to an assembly (living in the GAC) to web.config in an ASP.NET project, what does Visual Studio do? [This is related to an earlier question pertaining to BusinessObjects: http://stackoverflow.com/questions/2379615/ ] When I add "CrystalDecisions.Enterprise" and "CrystalDecisions.Enterprise.Framework" to the assemblies element in web.config, VS thinks long and hard about it, locking me out for a couple of minutes while it scrutinizes the newcomers. What is it doing during this time? I Googled this but came up empty. I can make some educated guesses (IntelliSense integration, perhaps?) but would ideally like to find some documentation describing exactly what's going on. Ultimately I'm hoping to learn why these BO references are making VS take several minutes to open my projects (I struck out on the SAP forums).

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  • Firefox redirect response on xhr request

    - by Bogdan Gusiev
    Suppose we have the xhr 'POST' request that returns 'redirect' status code. In that case browser is sending additional xhr 'GET' by the given URL. I am not sure who is doing that call chain: browser itself or js library(using MooTools). The problem is that the second 'GET' request is not recognized as xhr by the server: It doesn't have "X-Requested-With" header contains "XMLHttpRequest" The problem appears only on Firefox, but not on Webkit. So, believe it is not related to js library bug. Does anyone have ideas how to fix it?

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  • Problems wih minSdkVersion 1.5

    - by Tebam
    Hello, we have a problem related to the manifest file and the property "android:minSdkVersion". The issue is: If our platform is 2.0 and we use the property "android:minSdkVersion=3" (3 = sdk 1.5) the graphics get corrupted (In details, the application's resolution get reduced to a 2/3 part of the original size, this is, when the resolution should be 480x720, it becomes in a 320x480). This is happening on the Android emulator, and on the devices Droid/Milestone (Which are platforms 2.0). When we switch the property to "android:minSdkVersion=4" (4 = sdk 1.6) the problem gets solved, but when we want to put that version on platform 1.5, Android doesn't allow us to install it. It would help us to know any conflict regarding graphics within the 2.0 sdk, or any known problem around the "android:minSdkVersion" in the manifest. Thanks!

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  • PHP / MySQL - How to retrieve 2 separate sets of objects?

    - by Dan
    Hi, I have a set of models which correspond to tables in my database. I have been retrieving them easily enough, for example. $result = $mysqli->query('SOME SQL'); $post = $result->fetch_object; What would be the best approach for performing a join and also returning the related objects? For example, each post is created by a user, so for each row returned in the joined statement, both a page and user object should be returned. Any advice appreciated. Thanks.

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  • Limit Connections with semaphores

    - by Robert
    I'm trying to limit the number of connections my server will accept using semaphores, but when running, my code doesn't seem to make this restriction - am I using the semaphore correctly? eg. I have hardcoded the number of permit as 2, but I can connect an unlimited number of clients... public class EServer implements Runnable { private ServerSocket serverSocket; private int numberofConnections = 0; private Semaphore sem = new Semaphore(2); private volatile boolean keepProcessing = true; public EServer(int port) throws IOException { serverSocket = new ServerSocket(port); } @Override public void run() { while (keepProcessing) { try { sem.acquire(); Socket socket = serverSocket.accept(); process(socket, getNextConnectionNumber()); } catch (Exception e) { } finally { sem.release(); } } closeIgnoringException(serverSocket); } private synchronized int getNextConnectionNumber() { return ++numberofConnections; } // processing related methods }

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  • Beginning GWT and Java - wich is the best route when coming from LAMP background?

    - by Cambiata
    Hi! I've worked a lot with php/mysql on linux servers, including frameworks, orm etc. Now I want to give GWT and Java a try! Installing GWT SDK, Eclipse plugin etc and running a "Hello world" is no problem... The server is running automagically in the background... But when it comes to setting it up my self, there seems to be confusingly many options. Jetty? Tomcat? Glassfish? How are those related/combinable to/with Apache? Are there any good resources or tutorials for setting up java development and server environments suited for one like me with PHP background? Maybe pointing out the possiblities of running PHP and Java on the same server? Regards / Jonas

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  • jQuery Cycle plugin: One pager to control multiple slideshow on a page

    - by Michael
    Hi there, I have a cycle plugin set up on a page (images) with a pager to control the horizontal slide. My issue is that there is a transparent overlay that needs to sit over part of the images for some text relating to each image but would rather have that with a different transition effect for this so it doesn't slide in from the left. Am I able to set up to slideshows, each with 3 pieces of related content, that I can position correctly and have them controlled with the one pager? My script currently looks like this: $(function() { $('.s4').before('<div id="nav" class="nav">').cycle({ fx: 'fade', speed: 'slow', speedIn: 'slow', // speed of the 'in' transition speedOut: 'slow', timeout: 6000, pager: '#nav' }); }); I hope this makes sense, Thanks

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  • How to populate an ontology at runtime?

    - by Chan
    I have a configuration file with a lot of data like sensor locations, type, rules for activating devices etc. Basically related to a pervasive system. I plan to design an ontology for this domain. The doubt in my mind is how should I populate the ontology with the information in the configuration file, as the configuration files are going to change every now and then. Earlier I was planning to use XML, so I can just read the configuration file at runtime and create an XML as per the XSD. Do we use the same technique for Ontologies? If yes then what is the format of the populated ontology? Thanks Chan

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  • Getting "Illegal Seek" error after calling accept()

    - by Bilthon
    Well.. it's pretty much that, I seem to be getting a "Illegal Seek" error when checking my errno variable. The problem is that I have no idea of what that can mean. I know sockets are treated like files in unix, but I can't see how can this be related to sockets. What I'm doing exactly is: int sck = ::accept(m_socket, (struct sockaddr*)&client_address, (socklen_t*)&address_len); Then I get sck = -1 and errno = ESPIPE And the weird thing is that it happens randomly. I mean, sometimes the code works fine, and sometimes it just thows an exception. I'm working with threads so that's understandable. But I just would like to know what kind of behaviour makes the accept() call to set errno as ESPIPE so I could check the paramethers for instance. Thanks Nelson R. Pérez

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  • iPad crashes that aren't happening on iPhone or iPod Touch

    - by alyoshak
    Has anyone had difficulty getting what has otherwise been a solid iPhone app working on the iPad? I was under the impression that iPhone apps would run without problems on the iPad. We are are experiencing crashes (not intermittent - same place, at same time) that we've never gotten on the iPhone or iPod Touch. I have become suspicious that the crashes are memory-management related, but even if so, why only on the iPad? 2010-05-17 10:19:06.474 ASSIST[82:207] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UISectionRowData 0x6041480> valueForUndefinedKey:]: this class is not key value coding-compliant for the key deliveryDate.' 2010-05-17 10:19:06.481 ASSIST[82:207] Stack: ( 852041337, 861292157, 852040861, 850755255, 850750995, 850758945, 81279, 123007, 126693, 149141, 851599725, 827486573, 827486477, 827486431, 827485745, 827487359, 827454123, 851903137, 851590065, 851588321, 819339483, 819339655, 827151561, 827144691, 9461, 9324 ) terminate called after throwing an instance of 'NSException' Program received signal: “SIGABRT”.

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