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  • Inline assembler getaddress of pointer Visual Studio

    - by Joe
    I have a function in VS where I pass a pointer to the function. I then want to store the pointer in a register to further manipulate. How do you do that? I have tried void f(*p) { __asm mov eax, p // try one FAIL __asm mov eax, [p] // try two FAIL __asm mov eax, &p // try three FAIL } Both 1 and 2 are converted to the same code and load the value pointed to. I just want the address. Oddly, option 1 works just fine with integers. void f() { int i = 5; __asm mov eax, i // SUCCESS? }

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  • How can I revert a 'draggable' upon failed AJAX request?

    - by Frank
    I have a draggable div, that needs to be dropped on a droppable. If it is dropped correctly, the droppable calls an AJAX request. If the draggable does not have a valid id or the AJAX request fails, the draggable should be reverted to it's original position. Is that something that can be done with jQuery?! Any help is greatly appreciated!! $("div.draggable").livequery(function(){ $(this).draggable({ revert: 'invalid', distance: 20 }) }); $("#trash").droppable({ tolerance: 'touch', drop: function(event, ui) { var item = ui.draggable; var id = item.attr('id'); if (id) { $.ajax( { type: "POST", url: "delete.php", data: "id=" + id, success: function(html) { if (html) { item.remove(); } else { // FAILED AFTER AJAX // is it possible to revert the draggable from here?? } } }); } else { // FAILED BEFORE AJAX // is it possible to revert the draggable from here?? } } });

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  • Settings designer file complains when protecting configuration for connectionStrings in App.Config i

    - by Joe
    Hi, I am trying to encrypt Configuration Information Using Protected Configuration in Visual Studio 2010. I have the following info speicifed in the App.Config file: <connectionStrings configProtectionProvider="TheProviderName"> <EncryptedData> <CipherData> <CipherValue>VALUE GOES HERE</CipherValue> </CipherData> </EncryptedData> </connectionStrings> <appSettings configProtectionProvider="TheProviderName"> <EncryptedData> <CipherData> <CipherValue>VALUE GOES HERE</CipherValue> </CipherData> </EncryptedData> </appSettings> However, when I then go to the Settings area of the Projects Properties to view the settings in the Designer, I get prompted with the following error "An error occured while reading the App.config file. The file might be corrupted or contain invalid XML." I understand that my changes are causing the error, however, is there anyway I can bypass that the information is not read into at design view? (Of course the best way would be to make the tags be recognized by the designer, is there any way to do this?) I tried adding <connectionStrings configProtectionProvider="TheProviderName" xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0"> to connectionStrings as well as to the appSettings, but with no luck, the intellisense is bypassed in the config file, but the designer still complains. I would be satisfied if the designer would not complain about this "error", which is not actually an error because Microsoft states here that it should work. ASP.NET 2.0 provides a new feature, called protected configuration, that enables you to encrypt sensitive information in a configuration file. Although primarily designed for ASP.NET, protected configuration can also be used to encrypt configuration file sections in Windows applications. For a detailed description of the new protected configuration capabilities, see Encrypting Configuration Information Using Protected Configuration. And yes, it does work to encrypt it and to decrypt it and use it, it is just very annoying and frustrating that the designer complains about it. Anyone who knows which xsd file that is used (if used) to verify the contents of the App.config file in the design view? Any help appreciated.

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  • How to fix Java Image Fetcher error ?

    - by Frank
    My code looks like this : private static JFileChooser fc; if (fc==null) { fc=new JFileChooser(Image_Dir); fc.addChoosableFileFilter(new Image_Filter()); // Add a custom file filter and disable the default (Accept All) file filter. fc.setAcceptAllFileFilterUsed(false); fc.setAccessory(new Image_Preview(fc)); // Add the preview pane. } int returnVal=fc.showDialog(JFileChooser_For_Image.this,"Get Image"); // Show it. After I select an image from the panel, I got the following error message : Exception in thread "Image Fetcher 0" java.lang.UnsatisfiedLinkError: Native Library C:\Program Files (x86)\Java\jre6\bin\jpeg.dll already loaded in another classloader at java.lang.ClassLoader.loadLibrary0(Unknown Source) at java.lang.ClassLoader.loadLibrary(Unknown Source) at java.lang.Runtime.loadLibrary0(Unknown Source) at java.lang.System.loadLibrary(Unknown Source) at sun.security.action.LoadLibraryAction.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.awt.image.JPEGImageDecoder.<clinit>(Unknown Source) at sun.awt.image.InputStreamImageSource.getDecoder(Unknown Source) at sun.awt.image.FileImageSource.getDecoder(Unknown Source) at sun.awt.image.InputStreamImageSource.doFetch(Unknown Source) at sun.awt.image.ImageFetcher.fetchloop(Unknown Source) at sun.awt.image.ImageFetcher.run(Unknown Source) When I run it from an executable Jar file, it works fine, but after I wrapped it into an exe file, I got the above error, why ? How to fix it ?

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  • Rails callback for the equivalent of "after_new"

    - by Joe Cairns
    Right now I cant find a way to generate a callback between lines 1 and 2 here: f = Foo.new f.some_call f.save! Is there any way to simulate what would be effectively an after_new callback? Right now I'm using after_initialize but there are potential performance problems with using that since it fires for a lot of different events.

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  • How do I make Subversion (SVN) send email on checkins?

    - by Joe Ludwig
    I've always found checkin mails to be very useful for keeping track of what work other people are doing in the codebase. How do I set up SVN to email a distribution list on each checkin? Edit: I'm running clients on Windows and the server on Linux. The answers below for various platforms will likely be useful to other people though.

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  • After Port Forwarding, how to get my external IP in Java ?

    - by Frank
    I set up a static IP and did port forwarding on my notebook, and now I have a static IP address, but it's relatively static, every time I re-start the machine, I get another address, and since I have a "static" IP I can now do Paypal IPN messaging. But how can I get this static IP from my Java program ? One way I can think of is to visit : http://portforward.com/ and on that page it tells me what my external IP is, so I can extract it with Java code, is there any other way that I can do in my Java code to get this info ?

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  • why does cx_oracle execute() not like my string now?

    - by Frank Stallone
    I've downloaded cx_oracle some time ago and wrote a script to convert data to XML. I've had to reisntall my OS and grabbed the latest version of cx_Oracle (5.0.3) and all of the sudden my code is broken. The first thing was that cx_Oracle.connect wanted unicode rather string for the username and password, that was very easy to fix. But now it keeps failing on the cursor.execute and tells me my string is not a string even when type() tells me it is a string. Here is a test script I initally used ages ago and worked fine on my old version but does not work on cx_Oracle now. import cx_Oracle ip = 'url.to.oracle' port = 1521 SID = 'mysid' dsn_tns = cx_Oracle.makedsn(ip, port, SID) connection = cx_Oracle.connect(u'name', u'pass', dsn_tns) cursor = connection.cursor() cursor.arraysize = 50 sql = "select isbn, title_code from core_isbn where rownum<=20" print type(sql) cursor.execute(sql) for isbn, title_code in cursor.fetchall(): print "Values from DB:", isbn, title_code cursor.close() connection.close() When I run that I get: Traceback (most recent call last): File "C:\NetBeansProjects\Python\src\db_temp.py", line 48, in cursor.execute(sql) TypeError: expecting None or a string Does anyone know what I may be doing wrong?

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  • Getting started with game development using js/html5

    - by joe
    Anyone have experience with game development using javascript and the html5 canvas element? So far I have found two libraries, are either of these worth using? http://tommysmind.com/ (XNA Port) http://gamequery.onaluf.org/ (jquery plugin) Does anyone have any other resources?

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  • Perl chomp backwording the string

    - by joe
    my $cmd = "grep -h $text $file2 $file1 | tail -1 | awk '{print \$NF }' "; my $port_number; $port_number =`$cmd`; print "port No : ==$port_number=="; the output is : "port No :== 2323 == and i tried chomp its not working

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  • Can I redefine an XML element definition?

    - by joe
    For example, I would like to include <feetFromWater> in my <house> element. But here is the catch... I would like to keep the element name <house> and I do not want to modify the original definition. FILE: baseProperty.mod <!ELEMENT house (%size;%stories;)> <!ATTLIST house %univ-atts; outputclass CDATA #IMPLIED > FILE: beachHouse.mod (This file references baseProperty.mod) <!ELEMENT beachHouse (%size;%stories;%feetFromWater)> <!ATTLIST beachHouse %univ-atts; outputclass CDATA #IMPLIED > Is there a way to do the following without renaming from <house> to <beachHouse>?

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  • How to catch non exist requested URL in Java servlet ?

    - by Frank
    My objects are stored online in two different places : <1 On my nmjava.com site, where I can put them in a directory called "Dir_My_App/Dir_ABC/" <2 On Google App Engine datastore When my Java app runs it checks both places for the objects, I designed the app so that it tries to get an object from a Url, it doesn't care whether it's an object in a directory or an object returned by a servlet. My_Object Get_Object(String Site_Url,String Object_Path) { ... get object by the name of Object_Path from the Site_Url ... } Now the request Url for my web site nmjava.com might look like this : http://nmjava.com/Dir_My_App/Dir_ABC/My_Obj_123 [ In a directory ] Or in the case of Google App Engine servlet : http://nm-java.appspot.com/Check_License/Dir_My_App/Dir_ABC/My_Obj_123 [ Non exist ] The "Object_Path" was generated by my app automatically. It can now get the object from my site by the above method like this : My_Object Get_Object("http://nmjava.com","/Dir_My_App/Dir_ABC/My_Obj_123"); In the Google App Engine, my servlet is running and ready to serve the object, if the request comes in correctly, but since I don't want to design my app to know whether the object is in one site's directory or in other site's datastore, I need to design the servlet to catch the non exist Url, such as the one above, and be able to make a call : My_Object Get_Object("http://nm-java.appspot.com/Check_License","/Dir_My_App/Dir_ABC/My_Obj_123"); So my question is : When a request comes into the servlet with a non exist Url, how should it catch it and analyze the url in order to respond properly, in my case it should know that : http://nm-java.appspot.com/Check_License/Dir_My_App/Dir_ABC/My_Obj_123 is asking for the object "My_Obj_123" [ ignore the dirs ] and return the object from the datastore. Now I'm getting this : Error: Not Found The requested URL /Check_License/Dir_My_App/Dir_ABC/My_Obj_123 was not found on this server. Where in my servlet and how do I detect the request for this non exist Url ?

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  • c# convert file from one format to another

    - by JOE SKEET
    i have a bunch of files that need to be converted. the beginning files look like this: Well ID,Error code,Sample Barcode A1,0,THC_CAL1 B1,0,THC_CAL2 C1,1,THC_CAL3 D1,0,THC_CAL4 E1,0,THC_QC1 F1,0,THC_QC2 G1,0,THC_QC3 H1,0,THC_QC4 A2,0,BLANK0609 B2,0,AA178121 C2,0,CC37815 D2,0,BLANK0610 E2,0,CC37819 F2,0,N150680 G2,0,BLANK0611 H2,0,AA127900 A3,0,AA26940 B3,0,BLANK0612 ........... the output needs to look like this: A01 THC_CAL1 B01 THC_CAL2 D01 THC_CAL4 //please note that c1 is gone since it did not have a 0 in the middle column E01 THC_QC1 F01 THC_QC2 G01 THC_QC3 H01 THC_QC4 A02 BLANK0609 B02 AA178121 C02 CC37815 D02 BLANK0610 E02 CC37819 F02 N150680 G02 BLANK0611 H02 AA127900 A03 AA26940 B03 BLANK0612 H10 BLANK0234 //please notice that there is H10 and not H010 what would be the best way to read this file into a variable and then output this into a new file? should i read it line by line or should i read it into a datatable?

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  • How to convert Big Endian and how to flip the highest bit?

    - by Robert Frank
    I am using a TStream to read binary data (thanks to this post: http://stackoverflow.com/questions/2878180/how-to-use-a-tfilestream-to-read-2d-matrices-into-dynamic-array). My next problem is that the data is Big Endian. From my reading, the Swap() method is seemingly deprecated. How would I swap the types below? 16-bit two's complement binary integer 32-bit two's complement binary integer 64-bit two's complement binary integer IEEE single precision floating-point - Are IEEE affected by Big Endian? And, finally, since the data is unsigned, the creators of this dataset have stored the unsigned values as signed integers (excluding the IEEE). They instruct that one need only add an offset (2^15, 2^31, and 2^63) to recover the unsigned data. But, they note that flipping the most significant bit is the fastest way to do that. How does one efficiently flip the most significant bit of a 16, 32, or 64-bit integer? So, if the data on disk (16-bit) is "85 FB" - the desired result after reading the data and swapping and bit flipping would be 1531. Is there a way to accomplish the swapping and bit flipping with generics so it fits into the generic answer at the link above? Yes, kids, THIS is how scientific astronomical data is stored by NASA, ESO, and all professional astronomers. This FITS standard is considered by some to be one of the most successful standards ever created in its proliferation and flexibility!

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  • Anyone have experience developing with ESQL/C for INFORMIX-SQL?

    - by Frank Developer
    Does anyone have experience developing with ESQL/C for INFORMIX-SQL, as in calling C funcs within "Perform" screen generator and "ACE" report writer? I have ISQL without ESQL/C. I experimented compiling a perform screen, where in the instructions section I put "ON BEGINNING CALL userfunc() END" and although I don't have ESQL/C, the Perform screen successfully compiled without errors!.. Apparently, the compiler didn't reject the C call even though there's no ESQL/C or C program linked.

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  • Microsoft JScript runtime error: ASPx is undefined

    - by Joe
    I'm getting this error all over the place in my web application and trying to figure out why. The error is always for some control, ASPxClientTextBox for example. So far the only thing I've found as a potential fix is to check the httphandlers section of the .net web.config (the one in C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\web.config) and make sure an entry for "WebResource.axd" exists, which it does. Any idea's what's going on or where I should look?

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  • Using JMX classes to notify on events over time

    - by Cincinnati Joe
    I've been looking at JMX for monitoring application and system metrics (partially because MBeans can accessed by various tools such as JConsole). It would seem like the classes included with JMX would be useful for things like notification when metrics have exceeded thresholds. But I'm not sure they fit with the way I want to measure these over a specified time period. For example, let's say I want to notify an admin when the average CPU load is over 95% for more than 5 minutes. Is that something can be done with a GaugeMonitor? From the docs, it doesn't seem quite suited for this, and I'm wondering if instead I should write my own MBean with the necessary logic. A more relevant example is when the login times for users exceed 10s over a period of 5 mins. Slightly different would be the last 20 logins took more than 10s on average. Another case would be when a process crashes 4+ times in an hour. Or the request queue exceeds 15 for 5 mins. Are the JMX Monitor classes useful for this kind of thing?

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