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• How to Call methods I see in a wsdl file someone linked me to?

  - by Derek

  Hi all, I am not a Java programmer by trade. C and Fortran mostly. However, I have this one-off project someone wants done. Connect to some web-based database and retrieve some data from it. I asked around, and someone finally linked me to a WSDL page. I click on this link, and I see a huge XML looking file. If I am writing a stand-alone java application, how do I go about calling these (promising looking) method names that I see in the wsdl. You know "getCoordinates" is there, but i have no idea how to call that method. After googling, I am finding a lot of different ways, and I am not sure what is the best way for my simple application. Thanks

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• How to set the component size with GridLayout? Is there a better way?

  - by Blackbam

  Hello guys, I am working on a larger GUI with Java and I am becoming angry on Layout Managers. I have a "Settings-Panel" with a variable number of JComponents in it (Labels, Buttons, JSpinners, JSliders,...). I just want the following: JLabel <- JComponent JLabel <- JComponent JLabel <- JComponent ... My Panel has a size of 500px, so that there is enough space for a lot of components. Unfortunatly the GridLayout always stretches the size of the Components to the whole Panel, even if I set a MaximumSize for every component. It looks stupid if there are only two buttons each with a height of 250px. I tried flow Layout, but i cannot figure out a way to make new lines properly. I tried BoxLayout.Y_AXIS, but the Components are always centered, and Label and Component are not in the same line. Does anybody know a good and short way with LayoutManagers to handle this properly?

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• Developing a project which is an implementation of an open standard/protocol

  - by dotnetdev

  Hi, A lot of interesting code/projects are implementations of protocols, eg SNMP. How are projects like these, which depend on implementing a certain format, developed? Is the process something like get the guidelines of the protocol and then implement code which follows it. For example, XML-RPC is about transmitting XML docs between client/server, so the documentation on this protocol must outline the structure of the XML documents and then the way the transportation between client and server works, so the coder will implement this sort of functionality (xml doc construction, networking between the client and server). Projects I am thinking of (not to develop) are C# libraries which can interpret .PSDs, make VHDs, etc. So if I was to develop a C# app to implement .AI files (Illustrator files), what would be the steps I would look at (such as contacting Adobe, etc)? Is this the way such projects are developed?

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• What alternatives are there to Google App Engine?

  - by Chris Marasti-Georg

  What alternatives are there to GAE, given that I already have a good bit of code working that I would like to keep. In other words, I'm digging python. However, my use case is more of a low number of requests, higher CPU usage type use case, and I'm worried that I may not be able to stay with App Engine forever. I have heard a lot of people talking about Amazon Web Services and other sorts of cloud providers, but I am having a hard time seeing where most of these other offerings provide the range of services (data querying, user authentication, automatic scaling) that App Engine provides. What are my options here?

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• How to make if-elif-else statement in python more space-saving?

  - by Neverland

  I have a lot of if-elif-else statements in my code if message == '0' or message == '3' or message == '5' or message == '7': ... elif message == '1' or message == '2' or message == '4' or message == '6' or message == '8': ... else: ... Is it possible to format this in a more space-saving way? I tried it this way: if message == '0' or '3' or '5' or '7': ... elif message == '1' or '2' or '4' or '6' or '8': ... else: ... But without success.

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• How to copy QT folder to another folder without reinstalling it?

  - by Oleg

  I have QT installed on disc D (on Windows). And I want to move it to disc C. Is it possible to do that? If I just copy QT folder from C to D then I see lot of errors when I compile my applications that use QT. Errors are because qmake.exe contains full paths to include, bin and libs folders inside. So, when I create solution for Visual Studio 2005 using qmake - then this solution contains dependencies to old QT folder from disc D. And I found no way how to remove this dependencies without reinstalling of QT. It is not a big problem for one my single machine - I can reinstall. But I need to deliver this change then to tens and hundreds of other developers machines and I want to make it as easy as possible without need to reinstall QT.

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• practicing C over the summer

  - by Jefferson Shawn

  Hi, I'm a student with a bit of experience in Java and C++ (one semester each) Currently, I'm going through K&R and working on the exercises in the book. However, I was thinking of what I could work on over the summer since I'm almost done with K&R and I will have a lot of free time soon. I really like building command line applications so I was thinking of getting involved with the coreutils project somehow. My question is, is it too early for me to be messing with coreutils? Should I be working on something a bit simpler perhaps? I'm a bit new with the Linux/Open source world if that matters but I'm really enjoying it. I've done some project euler problems and I don't really like it that much.

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• how to open Gmail View Message Activity?

  - by NickLai

  I want to write an application to List the Gmail message. In the list, if user click one of the message item, it shall link ot Gmail App to see more detial information. Currently I can read the Gmail db with Gmail.java. There are some problems while I want to open Gmail Activity. In general, we can open Activity with Action and parameters. But Gmail App has not release code base. We do not know what Action set to Gmail Activity and what parmeter shall we put the extras. I only know that the Activity of View detial Message is named "HtmlConversationActivity." And the Package is under "com.google.android.gm." please tell me how to open the View detial Message Activity in Gmail APP. thanks a lot.

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• Python design mistakes

  - by Andrea

  A while ago, when I was learning Javascript, I studied Javascript: the good parts, and I particularly enjoyed the chapters on the bad and the ugly parts. Of course, I did not agree with everything, as summing up the design defects of a programming language is to a certain extent subjective - although, for instance, I guess everyone would agree that the keyword with was a mistake in Javascript. Nevertheless, I find it useful to read such reviews: even if one does not agree, there is a lot to learn. Is there a blog entry or some book describing design mistakes for Python? For instance I guess some people would count the lack of tail call optimization a mistake; there may be other issues (or non-issues) which are worth learning about.

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• Django: How can I add weight/ordering to a many to many relationship?

  - by Klaas van Schelven

  I'm having Pages with TextBlocks on them. Text Blocks may appear on different pages, pages may have several text blocks on them. Every page may have these blocks in an ordering of it's own. This can be solved by using a separate through parameter. Like so: class TextBlock(models.Model): title = models.CharField(max_length=255) text = models.TextField() class Page(models.Model): textblocks = models.ManyToManyField(TextBlock, through=OrderedTextBlock) class OrderedTextBlock(models.Model): text_block = models.ForeignKey(TextBlock) product_page = models.ForeignKey(ProductPage) weight = models.IntegerField() class Meta: ordering = ('weight',) But I'm not very enthousiastic about the violations of DRY for my app. (There's a lot of ordered ManyToMany relations). Is there a recommended way to go about this?

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• Displaying objects based on if a user is logged in or not

  - by MaxMackie

  I'm learning about PHP sessions for user authentication on my website. I know how to restrict the viewing of a complete page using sessions (simply check if the 'uid' session variable is set and if it is, show content, if not redirect to an error). However I'm trying to figure out the best way to selectively show and hide different objects (div, text, images) based on if a user is logged in or not. Is it as simple as checking for the 'uid' session variable and displaying based on if it set or not? Is there a more efficient way of doing this id there are a lot of conditional elements on a page?

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• Why this mouseout will be called when i move out of li instead of ul?

  - by terry

  i want to call mouseout of ul tag, but it looks it will call mouseout as well when i move between two li tags, what's wrong? how can i make it work when i move mouse out of the ul? thanks a lot! $(document).ready(function(){ $("#info").live("mouseout", function(){ console.log('mouseout'); }); }); HTML <div id="latest"> <ul id="info"> <li>test1</li> <li>test2</li> </ul> </div>

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• error reporting issues

  - by SunnyOne

  I'm still entangled in error handling problems. After having read and tried lots of different scripts, I still do not have an overall insight on the problem. I made a syntax error on purpose and get the following error message : Parse error: syntax error, unexpected '{' in /home/directory/public_html/mypage.php on line 10 To understand how it work, as a first step, I'd like to remove this message(which I'am able to do) and replace it by a custom one. How can I customize this message ? Thanks a lot.

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• Return segmented average from SQL Query?

  - by Guillaume Filion

  Hi, I measure the load on DNS servers every minute and store that into an SQL DB. I want to draw a chart of the load for the last 48 hours. That's 69120 (48*24*60) data points but my chart's only 800 pixels wide so to make things faster I would like my SQL query to return only ~800 data points. It's seems to me like a pretty standard thing to do, but I've been searching the web and in books for such a thing for a while now and the closest I was able to find was a rolling average. What I'm looking for a more of a "segmented average": divide the 69120 data points in ~800 segments, then average each segment. My SQL table is: CREATE TABLE measurements ( ip int, measurement_time int, queries int, query_time float ) My query looks like this SELECT ip, queries FROM measurements WHERE measurement_time>(time()-172800) Thanks a lot!

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• Framework vs. Micro-Architecture, which is mine

  - by droboZ

  I'm in the process of choosing a framework for my flex development, and one of the questions that was asked about a framework was "is this a framework or a micro-architecture"? Can someone clarify what's the difference? What exactly is a framework, and when can we start calling what we have a framework? I work with FlexBuilder3 (now called FlashBuilder4) and have a lot of standard things that I do for almost all projects, and components that I created for easy re-use. Some are very very small, but the benefit of a 1-liner has been immense for me instead of repeating the code over and over. So in the framework/micro-architecture scheme, can I say that these are my internal in-house framework or are they part of a micro-architecture? Trying to understand this topic better.

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• Is there a better way to do SELECT queries in MySQL and sort them in PHP than this way?

  - by Kent

  I am just learning PHP/MySQL, one this I am having to do a lot is displaying data that was previously inserted into the database out to the user's browser. So I am doing this: $select = mysql_query('SELECT * FROM pages'); while ($return = mysql_fetch_assoc($select)) { $title = $return['title']; $author = $return['author']; $content = $return['content']; } then I can use these variables through out the page. Now, doing it the above way isn't an issue when I only have 3 columns in a database but what if I am dealing with a huge database with many more columns. I have a nagging feeling that the pros do it in some more efficient way where they maybe loop through the table they are selecting from to find all columns it has and associate them with variables automatically. Is that the case? or is the above how you guys do it too?

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• How to integrate Python scripting in my Android App (like SL4A)

  - by Seraphim's host

  I need to add scripting layer to my android App. So I can remotely prepare a script that my app download form a web service and execute on the user device. I found a interesting project called Scripting Layer for Android (SL4A) here: http://code.google.com/p/android-scripting/ I'm not sure I can execute Python script without installing the PythonForAndroid_r4.apk first. I can't force my customer to install that application! So my question is, can the SL4A layer be integrated in my app without the need to install other apk? I need to execute actions like update data in the DB, create/read/delete a file on the sd card... Not so complex but I see SL4A can do a lot of things like these. Other scripting libraries? EDIT: Found also MVEL: http://mvel.codehaus.org/ but I think it needs to be integrated to execute complex operations like accessing a DB...

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• Filter Empty Directories in Package Explorer View

  - by Matt

  Is there a way in eclipse to filter/hide empty directory trees in the package explorer view? This is different than filtering directories like '.svn' or maven's target, or filtering empty packages. It's more trying to clean up empty directories trees that show up as a result of filter rules. Context- We have a generic project in our workspace that uses filters to ignore non text based files(mp3s, jpgs, etc). It allows us to quickly edit our files in eclipse. The problem is because of the filters there are a lot of empty folders present. If eclipse can ignore any empty folders due to filters it would make the project cleaner.

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• "Socket operation on non-socket" error due to strange sytax

  - by Robert S. Barnes

  I ran across the error Socket operation on non-socket in some of my networking code when calling connect and spent a lot of time trying to figure out what was causing it. I finally figured out that the following line of code was causing the problem: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol) < 0)) { See the problem? Here's what the line should look like: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0) { What I don't understand is why the first, incorrect line doesn't produce a warning. To put it another way, shouldn't the general form: if ( foo = bar() < baz ) do_somthing(); look odd to the compiler, especially running with g++ -Wall -Wextra? If not, shouldn't it at least show up as "bad style" to cppcheck, which I'm also running as part of my compile?

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• predict location of single-line text from a UITextView

  - by William Jockusch

  Is this possible? Specifically, I have a UITextView, and the text is short enough that it will fit on a single line. I want to predict where it will appear, so that (for example) if I wanted to, I could set up a UILabel that rendered the text in exactly the same location. Once I get that figured out, what I really want to do is pick contentInset and/or contentOffset so that the text of the UITextView and the left-justified UILabel will render in the same location. But I figure the above will let me do that. EDIT: In response to a comment, the fundamental problem I am trying to get around is that UITextField does not let you set the location of the cursor. It appears a lot of people have tried to get around this without success. I need to be able to move the cursor -- inserting/deleting text there is not enough. Control cursor position in UITextField Insert string at cursor position of UITextField Moving the cursor to the beginning of UITextField iOS -- dealing with the inability to set the cursor position in a UITextField

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• Full stack framework for Java

  - by Jonathan Barbero

  Hello everyone, I'm looking for a full stack framework (from persistency to view generation (CRUD)) for Java. I don't have experience with Rails style frameworks, like Grails, but I worked a lot with Hibernate, Struts, Spring ... I prefer a framework that let you naturally modify the business domain design with the less effort ( i.e. writing the sql querys to modify the tables and constrains, change the view pages, etc ... ). I was looking a bit about this topic, I saw Naked Objects for example but its development has stopped. So, I want to hear about your experience. Thanks in advance.

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• I am having trouble with a perl Script

  - by Jonathan Mori

  I have web log files and I was having a lot of trouble, being new with perl. I just need a script to find a count of each of the images that were found. I was able to list them but I'm unsure of how to just get a count, say something like "There were x jpgs and x gifs viewed". The web logs look like this. 24.131.83.162 - - [28/Jan/2007:00:00:00 -0500] "GET /~taler/images/index_09.jpg HTTP/1.1" 200 1563 207.46.98.53 - - [28/Jan/2007:00:00:04 -0500] "GET /%7Edist/programs/PhD/PhDGuide/guideA.htm HTTP/1.0" 200 19090 74.6.74.184 - - [28/Jan/2007:00:00:12 -0500] "GET /%7Embsclass/hall_of_fame/myicon.ico HTTP/1.0" 200 760 58.68.24.3 - - [28/Jan/2007:00:00:16 -0500] "GET /~dtipper/tipper.html HTTP/1.1" 200 5896 58.68.24.3 - - [28/Jan/2007:00:00:16 -0500] "GET /~dtipper/gifs/head.jpg HTTP/1.1" 200 18318

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• How can I add similar functionality to a number of methods in java?

  - by Roman

  I have a lot of methods for logging, like logSomeAction, logAnotherAction etc. Now I want all these methods make a small pause after printing messages (Thread.sleep). If I do it manually, I would do something like this: //before: public static void logSomeAction () { System.out.println (msg(SOME_ACTION)); } //after: public static void logSomeAction () { System.out.println (msg(SOME_ACTION)); try { Thread.sleep (2000); } catch (InterruptedException ignored) { } } I remember that Java has proxy classes and some other magic-making tools. Is there any way avoid copy-n-pasting N sleep-blocks to N logging methods?

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• What color scheme do you use for programming?

  - by EndangeredMassa

  I get a lot of attention at work because I am the only one who bothered to change the default color settings in Visual Studio. I just modified them myself. I can provide the settings file if anyone cares to import it. Here's an example of how it looks. It reminds me of DOS/BASIC programming before I actually knew how to program. I also find it to be very readable. What color schemes do you use?! EDIT: To clarify, I only edited the text settings. The windows and panels of VS2005 are still the windows default.

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• Matrix multiplication using Matrix Template library (MTL 4)

  - by Lxc

  The program is as following: #include <iostream> #include <boost/numeric/mtl/mtl.hpp> using namespace mtl; int main(int argc, char* argv[]) { dense_vector<double> a(5,1.0); dense_vector<double> b(5,2.0); a * trans(b); } I want to calculate a * trans(b), but there is a compling error :C2893. Will someone help me? Thanks a lot!

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