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  • Problem calling Java from PHP script

    - by Jack
    I am working on windows. I am running PHP (5.1.3) scripts on Tomcat using PHP/Java bridge. Here is my simple code //test.php <?php require_once("java\Java.inc"); $systemInfo = new Java("Test"); print $systemInfo->foo(); ?> Test.class is in the same folder as test.php. But the php file is not able to locate the test class and I get the following error - Fatal error: Uncaught [[o:Exception]:"java.lang.Exception: CreateInstance failed: new Test. If I use a standard class like below. It works - <?php require_once("java\Java.inc"); $systemInfo = new Java("java.lang.System"); print "Total seconds since January 1, 1970: ".$systemInfo->currentTimeMillis(); ?> What should I do? 1)Should I copy my class to the standard location where all Java classes are kept. (What is this location?) 2) Do some changes in the php.ini file

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  • Java parsing UTF8

    - by Jack
    I have the following issue with a UTF8 files structured as following: FIELD1§FIELD2§FIELD3§FIELD4 Looking at hexadecimal values of the file it uses A7 to codify §. So according to this codify it should be UTF8, but it's strange because A7 7F so 1 byte shouldn't be enough to codify §. So I tried using directly a BufferedReader with a specified charset: BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(input), utf8)) but when I try to tokenize the string with SmartTokenizer st = new SmartTokenizer(toTokenize, "§") (the SmartTokenizer is a modified version of the StringTokenizer that keeps empty tokens) no splitting occurs, and if I try to print the string I obtain FIELD1?FIELD2?FIELD3?... so § used in the file is different from the one specified as a the delimiter, and it's not able to print out it too. So what's the problem here? Maybe the original file should use 2 bytes to store §?

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  • How to get cursor to follow text when reading a web page?

    - by Jack BeNimble
    I know this isn't strictly program related, but I think I've seen this answer on SO before and lost track of it. The specific question has to do with reading an electronic document. I find it helpful to move the cursor across the words as I'm reading them. This works great with Word documents, but I'm unable to do it with web pages. Is there a way to make a web page see and respond to cursor movement?

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  • Flash "Play" button doesn't play video unless you hit rewind or fast forward

    - by Jack Marchetti
    So I had an IE issue with flash videos continuing to play even when their DIV's display property was set to none ( $('flashdiv').hide(); ) So I was able to solve this problem, by using .detach() and then reinserting the div. This worked great, however the problem now is that the "play" button doesn't work. However, if I hit rewind, or fast forward, it plays, and the play/stop button work fine. The way I'm reinserting the divs is like this: var divid = $('#flashdiv').clone('true'); and then to reinsert: $('#test').html(divid); Any idea why the play button would not work?

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  • Fetch data from multiple MySQL tables

    - by Jon McIntosh
    My two tables look like this: TABLE1 TABLE2 +--------------------+ +--------------------+ |field1|field2|field3| and |field2|field4|field5| +--------------------+ +--------------------+ I am already running a SELECT query for TABLE1, and assorting all of the data into variables: $query = "SELECT * FROM TABLE1 WHERE field2 = 2"; $result = mysql_query($query); $num_rows = mysql_num_rows($result); if((!is_bool($result) || $result) && $num_rows) { while($row = mysql_fetch_array($result)) { $field1 = $row['field1']; $field2 = $row['field2']; $field3 = $row['field3']; } } What I want to do is get the data from 'field4' on TABLE2 and add it to my variables. I would want to get field4 WHERE field2 = 2

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  • Windows console

    - by b-gen-jack-o-neill
    Hello. Well, I have a simple question, at least I hope its simple. I was interested in win32 console for a while. Our teacher told us, that windows console is just for DOS and real mode emulation purposes. Well, I know it is not true, becouse DOS applications are runned by emulator which only uses console to display output. Another thing I learned is that console is built into Windows since NT. Well. But what I could not find is, how actually are console programs written to use console. I use Visual C++ for programming (well, for learning). So, the only thing I need to do for using console is select console project. I first thought that windows decides wheather it run app in console or tries to run app in window mode. So I created win32 program and tried printf(). Well, I could not compile it. I know that by definition printf() prints text or variables to stdout. I also found that stdout is the console interface for output. But, I could not find what actually stdout is. So, basicly what I want to ask is, where is the difference between console app and win32 app. I thought that windows starts console when it gets command from "console-family" functions. But obvisously it does not, so there must be some code that actually commands windows to create console interface. And the second question is, when the console is created, how does windows recognize which console terminal is used for what app? I mean, what actually is stdout? Is it a area in memory , or some windows routine that is called? Thanks.

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  • What is the career value in learning ColdFusion?

    - by Jon Cram
    ColdFusion is a language I encounter rather infrequently, however it does turn up from time to time either in job adverts or as .cfm file extensions in URLs. There are possible job opportunities near to where I plan to live for ColdFusion developers. It might be in my interests to have a look at ColdFusion. ColdFusion appears, to me, to be a minority language compared to C#, Java or indeed most popular languages. Don thinks ColdFusion is declining in popularity. Would a ColdFusion position today be more related to the maintenance of legacy code than innovative, creative development, thus less interesting? Is there any long term career value in learning ColdFusion?

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  • What is instrumentation?

    - by Jon Seigel
    I've heard this term used a lot in the same context as logging, but I can't seem to find a clear definition of what it actually is. Is it simply a more general class of logging/monitoring tools and activities? Please provide sample code/scenarios when/how instrumentation should be used.

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  • Rails Multiple Checkboxes with Javascript Dynamic Select

    - by Jack
    Hi, I have followed the Railscast episode 88 to implement a set of dependant drop down menus. In the students-new view, when the student's year is selected, the javascript figures out which courses are available to that year and offers the selection in a new drop down menu. My javascript erb file is here: var courses = new Array(); <% for course in @courses -%> <%for year in course.years -%> courses.push(new Array(<%= year.year_id%>, '<%=h course.title%>', <%= course.id%>)); <%end -%> <% end -%> function yearSelected() { year_id = $('student_year_id').getValue(); options = $('student_course_ids').options; options.length = 1; courses.each(function(course) { if (course[0] == year_id) { options[options.length] = new Option(course[1], course[2]); } }); if (options.length == 1) { $('course_field').hide(); } else { $('course_field').show(); } } document.observe('dom:loaded', function() { yearSelected(); $('student_year_id').observe('change', yearSelected); }); Any my view is as follows: <% form_for(@student) do |f| %> <%= f.error_messages %> <p> <%= f.label :name %><br /> <%= f.text_field :name %> </p> <p> <%= f.label :cid, "CID" %><br /> <%= f.text_field :cid %> </p> <p> <label for="student_year_id">Year:</label> <%= collection_select(:student, :year_id, Year.all, :id, :title, {:prompt => true})%> </p> <p id="course_field"> <label for="student_course_ids">Course:</label> <%= collection_select(:student, :course_ids, Course.find(:all), :id, :title, {:prompt => true}, {:multiple => true})%> </p> <p> <%= f.submit 'Save' %> </p> <% end %> What I would like to do is to add checkboxes instead of the drop down menu. Any suggestions? I previously was using this method, but was not able to get it to work with the new javascript. Cheers

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  • Regex for string replace in C#

    - by Jack
    I am trying to achieve below output using regex but not able to, can someone please correct the regex - input string : data-placeholder=""[Refer" to "Conditions To Entry Of The Confirmation Order" and "Conditions To Effective Date" sections]" output string : data-placeholder="[Refer to Conditions To Entry Of The Confirmation Order and Conditions To Effective Date sections]" regex tried \s*"\s*([^ "]+)"\s*(?=["])

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  • Java error on bilinear interpolation of 16 bit data

    - by Jon
    I'm having an issue using bilinear interpolation for 16 bit data. I have two images, origImage and displayImage. I want to use AffineTransformOp to filter origImage through an AffineTransform into displayImage which is the size of the display area. origImage is of type BufferedImage.TYPE_USHORT_GRAY and has a raster of type sun.awt.image.ShortInterleavedRaster. Here is the code I have right now displayImage = new BufferedImage(getWidth(), getHeight(), origImage.getType()); try { op = new AffineTransformOp(atx, AffineTransformOp.TYPE_BILINEAR); op.filter(origImage, displayImage); } catch (Exception e) { e.printStackTrace(); } In order to show the error I have created 2 gradient images. One has values in the 15 bit range (max of 32767) and one in the 16 bit range (max of 65535). Below are the two images 15 bit image 16 bit image These two images were created in identical fashions and should look identical, but notice the line across the middle of the 16 bit image. At first I thought that this was an overflow problem however, it is weird that it's manifesting itself in the center of the gradient instead of at the end where the pixel values are higher. Also, if it was an overflow issue than I would suspect that the 15 bit image would have been affected as well. Any help on this would be greatly appreciated.

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  • xmlrpc client call in python does not come back

    - by Jack Ha
    Using Python 2.6.4, windows With the following script I want to test a certain xmlrpc server. I call a non-existent function and hope for a traceback with an error. Instead, the function does not return. What could be the cause? import xmlrpclib s = xmlrpclib.Server("http://127.0.0.1:80", verbose=True) s.functioncall() The output is: send: 'POST /RPC2 HTTP/1.0\r\nHost: 127.0.0.1:80\r\nUser-Agent: xmlrpclib.py/1.0 .1 (by www.pythonware.com)\r\nContent-Type: text/xml\r\nContent-Length: 106\r\n\ r\n' send: "<?xml version='1.0'?>\n<methodCall>\n<methodName>functioncall</methodName >\n<params>\n</params>\n</methodCall>\n" reply: 'HTTP/1.1 200 OK\r\n' header: Content-Type: text/xml header: Cache-Control: no-cache header: Content-Length: 376 header: Date: Tue, 30 Mar 2010 13:27:21 GMT body: '<?xml version="1.0"?>\r\n<methodResponse>\r\n<fault>\r\n<value>\r\n<struc t>\r\n<member>\r\n<name>faultCode</name>\r\n<value><i4>1</i4></value>\r\n</membe r>\r\n<member>\r\n<name>faultString</name>\r\n<value><string>PVSS00ctrl (2), 2 010.03.30 15:27:21.395, CTRL, SEVERE, 72, Function not defined, functioncall , , \n</string></value>\r\n</member>\r\n</struct>\r\n</value>\r\n</fault>\r\n</m ethodResponse>\r\n' (here the program hangs and does not return until I kill the server) edit: the server is written in c++, using its own xmlrpc library

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  • Is it possible to populate HTML form field data in an iPhone UIWebView using external accessory fram

    - by Jon Smallberries
    I have an iPhone app where I'd like to load a remotely served HTML form into a UIWebView and then populate that form as data becomes available from an external accessory using the "External Accessory Framework." Right now the data is entered by hand. The proposed flow is: Fetch an HTML page containing a form and put it into a UIWebView When data becomes available from the external accessory, populate the form field(s) Submit the form Is it possible to do this by "injecting" data from the external accessory into the UIWebView when all required data has been retrieved from the external accessory? I cannot seem to find any good examples on how to use the external accessory framework to achieve this.

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  • DB Designer creates compound primary key

    - by Jon Winstanley
    When adding relationships to a database model in DB Designer 4, a composite primary key is being created every time. So every foreign key I add, I get an extra key added to a composite primary key. I think I must have changed a setting as I don't remember it doing this in the past. Does anyone know how to turn off this feature as I prefer to use a single surrogate primary keys in my database tables?

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  • Register all GUI components as Observers or pass current object to next object as a constructor argu

    - by Jack
    First, I'd like to say that I think this is a common issue and there may be a simple or common solution that I am unaware of. Many have probably encountered a similar problem. Thanks for reading. I am creating a GUI where each component needs to communicate (or at least be updated) by multiple other components. Currently, I'm using a Singleton class to accomplish this goal. Each GUI component gets the instance of the singleton and registers itself. When updates need to be made, the singleton can call public methods in the registered class. I think this is similar to an Observer pattern, but the singleton has more control. Currently, the program is set up something like this: class c1 { CommClass cc; c1() { cc = CommClass.getCommClass(); cc.registerC1( this ); C2 c2 = new c2(); } } class c2 { CommClass cc; c2() { cc = CommClass.getCommClass(); cc.registerC2( this ); C3 c3 = new c3(); } } class c3 { CommClass cc; c3() { cc = CommClass.getCommClass(); cc.registerC3( this ); C4 c4 = new c4(); } } etc. Unfortunately, the singleton class keeps growing larger as more communication is required between the components. I was wondering if it's a good idea to instead of using this singleton, pass the higher order GUI components as arguments in the constructors of each GUI component: class c1 { c1() { C2 c2 = new c2( this ); } } class c2 { C1 c1; c2( C1 c1 ) { this.c1 = c1 C3 c3 = new c3( c1, this ); } } class c3 { C1 c1; C2 c2; c3( C1 c1, C2 c2 ) { this.c1 = c1; this.c2 = c2; C4 c4 = new c4( c1, c2, this ); } } etc. The second version relies less on the CommClass, but it's still very messy as the private member variables increase in number and the constructors grow in length. Each class contains GUI components that need to communicate through CommClass, but I can't think of a good way to do it. If this seems strange or horribly inefficient, please describe some method of communication between classes that will continue to work as the project grows. Also, if this doesn't make any sense to anyone, I'll try to give actual code snippets in the future and think of a better way to ask the question. Thanks.

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  • Using AWT components inside a JInnerFrame (for JDesktopPane)

    - by Jack
    Hello, is there a way to hack bugs related to adding an AWT component (in my case a PApplet, so a processing language sketch) inside a JInternalFrame? It works but not as intended, since it flickers and dragging the frame causes repaint issues.. reading around it seems that, althrough it's possible to mix heavyweight (AWT) and lightweight (Swing) components some problems seem to be unavoidable.. is it true? Thanks!

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  • Oracle Enterprise Server SOAP/Servlet/SoapRouter

    - by JACK
    Does anyone know any sample Oracle SOAP XML requests that that queries the database? For example, the url: http://myoracle:7778/oracle/soap/soaprouter/ I'd like to program xml requests and get return xml database. But I have no idea on the Oracle SOAP format. Please provide an example.

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  • NTFS drivers on Linux

    - by Jack
    Hopefully this is programming related. Many people have reported that the NTFS-3G driver works perfectly for writing to NTFS drives without any problems. If NTFS has been successfully reverse engineered to a useful degree, then why is the kernel driver still only read-only, with write support being very dangerous.....just as it was 5 years agi?

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  • Make CSV from list of string in LINQ

    - by CmdrTallen
    Hi I would like to take a list collection and generate a single csv line. So take this; List<string> MakeStrings() { List<string> results = new List<string>(); results.add("Bob"); results.add("Nancy"); results.add("Joe"); results.add("Jack"); } string ContactStringsTogether(List<string> parts) { StringBuilder sb = new StringBuilder(); foreach (string part in parts) { if (sb.Length > 0) sb.Append(", "); sb.Append(part); } return sb.ToString(); } This returns "Bob,Nancy,Joe,Jack" Looking for help on the LINQ to do this in a single statement. Thanks!

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  • Cross domain cookie tracking

    - by Jon
    Hi, The company I work for has four domains and I'm trying to set up the cookies, so one cookie can be generated and tracked across all the domains. From reading various posts on here I thought it was possible. I've set up a sub domain on one site, to serve a cookie and 1*1 pixel image to all four sites. But I can't get this working on the other sites. If anyone can clarify that: Its possible? If I'm missing something obvious or a link to a good example? I'm trying to do this server side with PHP. Thanks

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  • Attaching a static library to an iphone/ipad application

    - by Jack
    Hello, which is the best approach to include a static library with into an application for iPhone or iPad? I could choose to compile the library supplying right platform and building a library file with the ar utility and then add as a framework to the project including the source of the library .c/.h and compile them together with the application The first approach seems simpler, because I won't care about managing all specific settings of the library I want to include but how can I create the library both for iPhone and iPad and allow xcode to use the right library upon linking? The second approach seems more complex since xcode will take care about compiling my application and the library (with different settings I suppose) then how should I go? I can easily add sources of the lib but I'll have to include the make scripts to allow xcode use them to build in the right way. Any suggestions about how to proceed? The library I'm trying to include is libssh. (I know that this library, of course, has already been compiled and tried succesfully on iPhone) Thanks in advance.

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  • How to add a column via a query which counts the total rows with a specific criteria in a table with circular relationship in MS ACCESS 2007

    - by Xaqron
    I have a simple table "Employees" with this fields: ID, ParentID, Name ParentID is Nullable since an employee may have no Manager. This table has a one-to-many relationship with itself: ID --one--to--many--> ParentID Now I want a query which returns this columns: Name, Count of rows where their ParentID equals to the current row ID (the row is the manager of that rows) Sample Table: ID | ParentID | Name ====================== 1 | 0 | John ---------------------- 2 | 1 | Bob ---------------------- 3 | 1 | Alice ---------------------- 4 | 3 | Jack This way I can find an employee is the manager of how many other employees. The result should be something like this: Name | Count of Employees ========================== John | 2 -------------- Bob | 0 -------------- Alice | 1 -------------- Jack | 0 How can I achieve this in MS ACCESS 2007? * I have tried built-in query builder without any success.

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  • Uploadify refuses to upload WMV, FLV and MP4 files

    - by Jon Winstanley
    The uploadify plugin for JQuery seems very good and works for most file types. However, it allows me to upload all file types apart from the ones I need! Namely .WMV, .FLV and .MP4 I have googled the issue and not found anyonw having such difficulties. I have already tried changing the fileExt parameter and also tried removing it altogether. I have testing in Google Chrome, IE7 and Firefox and none work for thes efile types. Is there a known reason for this behaviour?

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  • What is on your desk?

    - by Jack
    I have read that what you keep on your desk is very influential in how you work and your level of productivity. I am trying to optimise the way that I work (I am a terrible procrastinator), and am curious what other programmers' desks look like. What do you have on your desk? Is there anything you deliberately avoid? There is no need to mention if you have things like computer, screen, mouse, keyboard, or speakers.

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