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  • Any Reason Why IsNumeric() Fails On A Number?

    - by Jason
    I currently have this line of code which has been working for the past 6 months: If IsNumeric(txtProductID.Text) Then ...do stuff Else Dim msg As String = "Error!" End If All of the sudden, no matter what kind of entry is put in txtProductID (including plain numbers), it fails! Is there reason for me to be going crazy over this?

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  • Convert Byte Array into Bitset

    - by Unknown
    I have a byte array generated by a random number generator. I want to put this into the STL bitset. Unfortunately, it looks like Bitset only supports the following constructors: A string of 1's and 0's like "10101011" An unsigned long. (my byte array will be longer) The only solution I can think of now is to read the byte array bit by bit and make a string of 1's and 0's. Does anyone have a more efficient solution?

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  • How to design shape class

    - by Tomek Tarczynski
    I want to design shape class. I need to distinguish several different shapes: -Point -Line -Triangle -Circle -Polygons The main purpose of this class is to calculate distance between two shapes. I've all methods for calculating those distances, but I want to have a single method that can be used, it should looks like this: float Distance(Shape a, Shape b) Simplest way to do it is to put a lot of if statements and then invoke proper method but this is deffinitely not OOP. How to design such class in OOP style?

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  • Add rss xmlns namespace definition to a php simplexml document?

    - by talkingnews
    I'm trying to create an itunes-valid podcast feed using php5's simplexml: <?php $xml_string = <<<XML <?xml version="1.0" encoding="UTF-8"?> <channel> </channel> XML; $xml_generator = new SimpleXMLElement($xml_string); $tnsoundfile = $xml_generator->addChild('title', 'Main Title'); $tnsoundfile->addChild('itunes:author', "Author", ' '); $tnsoundfile->addChild('category', 'Audio Podcasts'); $tnsoundfile = $xml_generator->addChild('item'); $tnsoundfile->addChild('title', 'The track title'); $enclosure = $tnsoundfile->addChild('enclosure'); $enclosure->addAttribute('url', 'http://test.com'); $enclosure->addAttribute('length', 'filelength'); $enclosure->addAttribute('type', 'audio/mpeg'); $tnsoundfile->addChild('itunes:author', "Author", ' '); header("Content-Type: text/xml"); echo $xml_generator->asXML(); ?> It doesn't validate, because I've got to put the line: <rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0"> as per http://www.apple.com/itunes/podcasts/specs.html. So the output SHOULD be: <?xml version="1.0" encoding="UTF-8"?> <rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0"> <channel> etc. I've been over and over the manual and forums, just can't get it right. If I put, near the footer: header("Content-Type: text/xml"); echo '<rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0">'; echo $xml_generator->asXML(); ?> Then it sort of looks right in firefox and it doesn't complain about undefined namespaces anymore, but feedvalidator complains that line 1, column 77: XML parsing error: :1:77: xml declaration not at start of external entity [help] because the document now starts: <rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0"><?xml version="1.0" encoding="UTF-8"?> and not <?xml version="1.0" encoding="UTF-8"?><rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0"> Thank you in advance.

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  • Apache and file permissions

    - by Matthew
    I'm running LAMP on Ubuntu 8.04. Apache's username and group are www-data. I put my connection details and AES key in a file in a directory that's not web served. I chown-ed the files to www-data:www-data and set the permissions to 700. Still, the script that require()s these files will only run if I chmod the files to 755. What am I missing?

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  • Django - Specifying default attr for Custom widget

    - by Pierre de LESPINAY
    I have created this widget class DateTimeWidget(forms.TextInput): attr = {'class': 'datetimepicker'} class Media: js = ('js/jquery-ui-timepicker-addon.js',) Then I use it on my form class SessionForm(forms.ModelForm): class Meta: model = Session def __init__(self, *args, **kwargs): super(SessionForm, self).__init__(*args, **kwargs) self.fields['start_time'].widget = DateTimeWidget() self.fields['end_time'].widget = DateTimeWidget() No css class is applied to my fields (I'm expecting datetimepicker applied to both start_time & end_time). I imagine I have put attr at a wrong location. Where am I supposed to specify it ?

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  • longest string in texts

    - by davit-datuashvili
    ok i have meet following problem too for example there is given two text find longest string that occur in both i think we should cretate string array where we should put common srings and then compare their length and which length will be largest print it is there fast method?

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  • Getting rails application from github to debian server

    - by Micke
    Hello. I've been developing my first rails application on my windows computer. But now i have been setting up a debian server with nginx and passanger. I've been using Github to keep track of my application and now i am wondering how i can get the Github version of my application to the debian server and put it in production mode? Anybody that have a good guide about this or something?

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  • populating flexgrid with a file vb6

    - by Andeeh
    So I need to put all the names in a file into column 1 on flexgird, each name should go on its own row. here is what I have but i just get "invalid row value" namefile = App.Path & "\names.dat" Open namefile For Input As #1 While Not EOF(1) Input #1, x With MSFlexGrid1 .Col = 1 .Rows = rowcount + 1 .Text = x End With Wend End Sub Any help would be fantastic and thanks in advance

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  • Error using Ksoap2 library in Android

    - by Joseph82
    I'm trying to use KSoap2 library. I put the file Ksoap2-android-assembly-2.5.7-jar-with-dependencies.jar in the directory workspace myproject libs Then I setted it in build path. (libraries) I have error just when I run the application: 11-27 10:32:56.260: E/dalvikvm(1593): Could not find class 'org.ksoap2.serialization.SoapObject', referenced from method associated to this code line: SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); I tried also with the steps suggested in this thread exception while using ksoap2 library for android whitout success

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  • Wikipedia embedded in WinForms App Tutorial

    - by RHaguiuda
    Can anyone post a tutorial here on how to show a Wikipedia article in a .NET WinForms application (C# or VB)? If the article can be placed in a string it suffices, there`s no need to put it on any control. I found some information on Wikipedia's API. After reading it, I added the reference to web service but can`t find a way to make this work. And if it's possible, explain how images are downloaded from wiki (link or image itself).

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  • create text inside a rectangle using inkscape

    - by mr calendar
    I've put some text inside a rectangle using inkscape so the tree is like <svg:rect><svg:text><svg:tspan>text.... The problem is, I can't see the text. I've tried fiddling with the opacity of the rect to no avail. There should be a way of doing this from the UI? Edit example as requested <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!-- Created with Inkscape (http://www.inkscape.org/) --> <svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" width="184.25197" height="262.20471" id="svg2" sodipodi:version="0.32" inkscape:version="0.46" version="1.0" sodipodi:docname="ex1.svg" inkscape:output_extension="org.inkscape.output.svg.inkscape"> <defs id="defs4"> <inkscape:perspective sodipodi:type="inkscape:persp3d" inkscape:vp_x="0 : 526.18109 : 1" inkscape:vp_y="0 : 1000 : 0" inkscape:vp_z="744.09448 : 526.18109 : 1" inkscape:persp3d-origin="372.04724 : 350.78739 : 1" id="perspective10" /> </defs> <sodipodi:namedview id="base" pagecolor="#ffffff" bordercolor="#666666" borderopacity="1.0" gridtolerance="10000" guidetolerance="10" objecttolerance="10" inkscape:pageopacity="0.0" inkscape:pageshadow="2" inkscape:zoom="0.64" inkscape:cx="195.9221" inkscape:cy="335.3072" inkscape:document-units="px" inkscape:current-layer="layer1" showgrid="false" inkscape:window-width="640" inkscape:window-height="675" inkscape:window-x="44" inkscape:window-y="44" /> <metadata id="metadata7"> <rdf:RDF> <cc:Work rdf:about=""> <dc:format>image/svg+xml</dc:format> <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" /> </cc:Work> </rdf:RDF> </metadata> <g inkscape:label="Layer 1" inkscape:groupmode="layer" id="layer1"> <rect style="opacity:0.25480766;fill:#ff0000;fill-opacity:1;stroke:#000000;stroke-width:12.94795799;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" id="rect2383" width="150.87796" height="84.226181" x="18.221733" y="39.557121"> <text xml:space="preserve" style="font-size:56.0331955px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Bitstream Vera Sans" x="44.815186" y="114.0088" id="text2385" transform="scale(1.0054479,0.9945816)"><tspan sodipodi:role="line" id="tspan2387" x="44.815186" y="114.0088">text</tspan></text> </rect> </g> </svg> I'd expect to be able to see this in inkscape. The workaround is to put text on a layer above the box (the intent is that the box obscures the layers below it) and not try and get clever with nested tags. Shame it doesn't work though.

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  • T-SQL - Left Outer Joins - Filters in the where clause versus the on clause.

    - by Greg Potter
    I am trying to compare two tables to find rows in each table that is not in the other. Table 1 has a groupby column to create 2 sets of data within table one. groupby number ----------- ----------- 1 1 1 2 2 1 2 2 2 4 Table 2 has only one column. number ----------- 1 3 4 So Table 1 has the values 1,2,4 in group 2 and Table 2 has the values 1,3,4. I expect the following result when joining for Group 2: `Table 1 LEFT OUTER Join Table 2` T1_Groupby T1_Number T2_Number ----------- ----------- ----------- 2 2 NULL `Table 2 LEFT OUTER Join Table 1` T1_Groupby T1_Number T2_Number ----------- ----------- ----------- NULL NULL 3 The only way I can get this to work is if I put a where clause for the first join: PRINT 'Table 1 LEFT OUTER Join Table 2, with WHERE clause' select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table1 LEFT OUTER join table2 --****************************** on table1.number = table2.number --****************************** WHERE table1.groupby = 2 AND table2.number IS NULL and a filter in the ON for the second: PRINT 'Table 2 LEFT OUTER Join Table 1, with ON clause' select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table2 LEFT OUTER join table1 --****************************** on table2.number = table1.number AND table1.groupby = 2 --****************************** WHERE table1.number IS NULL Can anyone come up with a way of not using the filter in the on clause but in the where clause? The context of this is I have a staging area in a database and I want to identify new records and records that have been deleted. The groupby field is the equivalent of a batchid for an extract and I am comparing the latest extract in a temp table to a the batch from yesterday stored in a partioneds table, which also has all the previously extracted batches as well. Code to create table 1 and 2: create table table1 (number int, groupby int) create table table2 (number int) insert into table1 (number, groupby) values (1, 1) insert into table1 (number, groupby) values (2, 1) insert into table1 (number, groupby) values (1, 2) insert into table2 (number) values (1) insert into table1 (number, groupby) values (2, 2) insert into table2 (number) values (3) insert into table1 (number, groupby) values (4, 2) insert into table2 (number) values (4) EDIT: A bit more context - depending on where I put the filter I different results. As stated above the where clause gives me the correct result in one state and the ON in the other. I am looking for a consistent way of doing this. Where - select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table1 LEFT OUTER join table2 --****************************** on table1.number = table2.number --****************************** WHERE table1.groupby = 2 AND table2.number IS NULL Result: T1_Groupby T1_Number T2_Number ----------- ----------- ----------- 2 2 NULL On - select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table1 LEFT OUTER join table2 --****************************** on table1.number = table2.number AND table1.groupby = 2 --****************************** WHERE table2.number IS NULL Result: T1_Groupby T1_Number T2_Number ----------- ----------- ----------- 1 1 NULL 2 2 NULL 1 2 NULL Where (table 2 this time) - select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table2 LEFT OUTER join table1 --****************************** on table2.number = table1.number AND table1.groupby = 2 --****************************** WHERE table1.number IS NULL Result: T1_Groupby T1_Number T2_Number ----------- ----------- ----------- NULL NULL 3 On - select table1.groupby as [T1_Groupby], table1.number as [T1_Number], table2.number as [T2_Number] from table2 LEFT OUTER join table1 --****************************** on table2.number = table1.number --****************************** WHERE table1.number IS NULL AND table1.groupby = 2 Result: T1_Groupby T1_Number T2_Number ----------- ----------- ----------- (0) rows returned

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  • Zend Form not in place labbels values, how to move them that they will be exactly above text box?

    - by Yosef
    Hi, I have esthetic's problem. Zend Form not in place label value, how to move them that they will be exactly above text box, and not from left? (I didn't put filters and validation to make this code simpler here) Thanks, Yosef My Code Login.php form: public function init() { $username = new Zend_Form_Element_Text('username'); $username->setLabel("username"); $password = new Zend_Form_Element_Password('password'); $password->setLabel('password'); $this->addElements(array($username, $password)); }

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  • How to packing Resources in Maven Project?

    - by Rehman
    I am looking for suggestion in putting image file maven web project. One of classes under src/main/java need to use an image file. My problem is, if i put image file under src/main/webapp/images then application server cannot find that path on runtime(where myeclipse can ) because war archive do not have specified path "src/main/webapp/images". My question is where should i put the image file that my project can find it without prompting any error or exception. I am using Java Web Application with Mavenized falvour MyEclipse 10 Application Server: JBoss 6 Currently i do have following dir structure Project Directory Structure -src/main/java -- classes -src/main/resources -- applicationContext.xml -src/test/java -- test classes -src/test/resources (nothing) -src -- main --- webapp --WEB-INF --Images --Css --Meta-INF -target -pom.xml And pom.xml's build snippet is as follows <build> <sourceDirectory>${basedir}/src/main/java</sourceDirectory> <outputDirectory>${basedir}/target/${project.artifactId}/classes</outputDirectory> <resources> <resource> <directory>${basedir}/src/main/resources</directory> <excludes> <exclude>**/*.java</exclude> </excludes> </resource> </resources> <testResources> <testResource> <directory>${basedir}/src/test/resources</directory> </testResource> </testResources> <finalName>${project.artifactId}</finalName> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>${jdk.version}</source> <target>${jdk.version}</target> <optimize>true</optimize> <useProjectReferences>true</useProjectReferences> </configuration> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.1.1</version> <configuration> <warSourceDirectory>${basedir}/src/main/webapp</warSourceDirectory> <webResources> <resource> <directory>${basedir}/src/main/resources</directory> </resource> </webResources> </configuration> </plugin> </plugins> </build> Thanks in advance

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  • NSObject release destroys local copy of object's data

    - by Spider-Paddy
    I know this is something stupid on my part but I don't get what's happening. I create an object that fetches data & puts it into an array in a specific format, since it fetches asynchronously (has to download & parse data) I put a delegate method into the object that needs the data so that the data fetching object copies it's formatted array into an array in the calling object. The problem is that when the data fetching object is released, the copy it created in the caller is being erased, code is: In .h file @property (nonatomic, retain) NSArray *imagesDataSource; In .m file // Fetch item details ImagesParser *imagesParserObject = [[ImagesParser alloc] init:self]; [imagesParserObject getArticleImagesOfArticleId:(NSInteger)currentArticleId]; [imagesParserObject release] <-- problematic release // Called by parser when images parsing is finished -(void)imagesDataTransferComplete:(ImagesParser *)imagesParserObject { self.imagesDataSource = [ImagesParserObject.returnedArray copy]; // copy array to local variable // If there are more pics, they must be assembled in an array for possible UIImageView animation NSInteger picCount = [imagesDataSource count]; if(picCount > 1) // 1 image is assumed to be the pic already displayed { // Build image array NSMutableArray *tempPicArray = [[NSMutableArray alloc] init]; // Temp space to hold images while building for(int i = 0; i < picCount; i++) { // Get Nr from only article in detailDataSource & pic name (Small) from each item in imagesDataSource NSString *picAddress = [NSString stringWithFormat:@"http://some.url.com/shopdata/image/article/%@/%@", [[detailDataSource objectAtIndex:0] objectForKey:@"Nr"], [[imagesDataSource objectAtIndex:i] objectForKey:@"Small"]]; NSURL *picURL = [NSURL URLWithString:picAddress]; NSData *picData = [NSData dataWithContentsOfURL:picURL]; [tempPicArray addObject:[UIImage imageWithData:picData]]; } imagesArray = [tempPicArray copy]; // copy makes immutable copy of array [tempPicArray release]; currentPicIndex = 0; // Assume first pic is pic already being shown } else imagesArray = nil; // No need for a needless pic array // Remove please wait message [pleaseWaitViewControllerObject.view removeFromSuperview]; } I put in tons of NSLog lines to keep track of what was going on & self.imagesDataSource is populated with the returned array but when the parser object is released self.imagesDataSource becomes empty. I thought self.imagesDataSource = [ImagesParserObject.returnedArray copy]; is supposed to make an independant object, like as if it was alloc, init'ed, so that self.imagesDataSource is not just a pointer to the parser's array but is it's own array. So why does the release of the parser object clear the copy of the array. (I checked & double checked that it's not something overwriting self.imagesDataSource, commenting out [imagesParserObject release] consistently fixes the problem) Also, I have exactly the same problem with self.detailDataSource which is declared & populated in the exact same way as self.imagesDataSource I thought that once I call the parser I could release it because the caller no longer needs to refer to it, all further activity is carried out by the parser object through it's delegate method, what am I doing wrong?

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  • Generic relations missing with grappelli

    - by diegueus9
    I'm using the last svn revision of grappelli and rev 11840 of django (before multidatabases and stuff), and i'm trying to use generic relations in the admin, but doesn't work, The model: class AutorProyectoLey(DatedModel): tipo_autor = models.ForeignKey(ContentType) autor_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey('tipo_autor', 'autor_id') proyecto_ley = models.ForeignKey(ProyectoLey) The admin: class AutorInline(GenericInlineModelAdmin): model = AutorProyectoLey allow_add = True ct_field = 'tipo_autor' ct_fk_field = 'autor_id' classes = ('collapse-open',) And i put this model of var inlines in another adminmodel, but the html render is : <!-- Inlines --> <!-- Submit-Row -->

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  • List - Strings - Textfiles

    - by b3y4z1d
    I've got a few questions concerning text files,list and strings. I wonder if it is possible to put in a code which reads the text in a textfile,and then using "string line;" or something else to define each new row of the text and turn all of them into one list. So I can sort the rows, remove a row or two or even all of them or search through the text for a specific row.

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  • Ada: Adding an exception in a separate procedure when reading a file

    - by yCalleecharan
    This is a follow-up of this question: Ada: reading from a file . I would like to add an exception that checks if the file that I'm opening actually exists or not. I have made a separate procedure to avoid code clutter. Here is the main code test_read.adb: with Ada.Text_IO; use Ada.Text_IO; with Ada.Long_Float_Text_IO; with Ada.Float_Text_IO; procedure Test_Read is Input_File : File_Type; Value : Long_Float; procedure Open_Data (File : in Ada.Text_IO.File_Type; Name : in String) is separate; begin Ada.Text_IO.Open (File => Input_File, Mode => Ada.Text_IO.In_File, Name => "fx.txt"); while not End_Of_File (Input_File) loop Ada.Long_Float_Text_IO.Get (File => Input_File, Item => Value); Ada.Long_Float_Text_IO.Put (Item => value, Fore => 3, Aft => 5, Exp => 0); Ada.Text_IO.New_Line; end loop; Ada.Text_IO.Close (File => Input_File); end Test_Read; And here is the separate body test_read-open_data.adb of the procedure Open_Data: separate(test_read) procedure Open_Data (File : in Ada.Text_IO.File_Type; Name : in String) is --this procedure prepares a file for reading begin begin Ada.Text_IO.Open (File => File, Mode => Ada.Text_IO.In_File, Name => Name); exception when Ada.Text_IO.Name_Error => Ada.Text_IO.Put(File => Standard_Error, Item => "File not found."); end; end Open_Data; On compilation I get an error message in the separate body test_read-open_data.adb: actual for "File" must be a variable How to fix this? Thanks a lot...

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  • Accessing UI thread of a form?

    - by Nick Brooks
    I'm using C# and I'm making an application where a lot of UI loading must be done in background. Is it possible to do it unsafely and ignore InvalidOperationExceptions? The only way I found it to put try...catch statements around every single line of code but this will take ages as there is too much code.

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  • How to get the application font color in Qt

    - by Solitaire
    Hi, I want to put some text on my UI, I am drawing the text in paint event of a widget using painter.. Here is the sample code, which shows how I am drawing the text.. QWidget::paintEvent(painter); QPainter paint(this); paint.drawText(QPoint(10,30),"Duplex"); but, the text color is looks like the default theme color, how to set the application font color to the text in paint event.. Thanks

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