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• Is it a good idea to use an integer column for storing US ZIP codes in a database?

  - by Yadyn

  From first glance, it would appear I have two basic choices for storing ZIP codes in a database table: Text (probably most common), i.e. char(5) or varchar(9) to support +4 extension Numeric, i.e. 32-bit integer Both would satisfy the requirements of the data, if we assume that there are no international concerns. In the past we've generally just gone the text route, but I was wondering if anyone does the opposite? Just from brief comparison it looks like the integer method has two clear advantages: It is, by means of its nature, automatically limited to numerics only (whereas without validation the text style could store letters and such which are not, to my knowledge, ever valid in a ZIP code). This doesn't mean we could/would/should forgo validating user input as normal, though! It takes less space, being 4 bytes (which should be plenty even for 9-digit ZIP codes) instead of 5 or 9 bytes. Also, it seems like it wouldn't hurt display output much. It is trivial to slap a ToString() on a numeric value, use simple string manipulation to insert a hyphen or space or whatever for the +4 extension, and use string formatting to restore leading zeroes. Is there anything that would discourage using int as a datatype for US-only ZIP codes?

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• Django: Serving a Download in a Generic View

  - by TheLizardKing

  So I want to serve a couple of mp3s from a folder in /home/username/music. I didn't think this would be such a big deal but I am a bit confused on how to do it using generic views and my own url. urls.py url(r'^song/(?P<song_id>\d+)/download/$', song_download, name='song_download'), The example I am following is found in the generic view section of the Django documentations: http://docs.djangoproject.com/en/dev/topics/generic-views/ (It's all the way at the bottom) I am not 100% sure on how to tailor this to my needs. Here is my views.py def song_download(request, song_id): song = Song.objects.get(id=song_id) response = object_detail( request, object_id = song_id, mimetype = "audio/mpeg", ) response['Content-Disposition'= "attachment; filename=%s - %s.mp3" % (song.artist, song.title) return response I am actually at a loss of how to convey that I want it to spit out my mp3 instead of what it does now which is to output a .mp3 with all of the current pages html contained. Should my template be my mp3? Do I need to setup apache to serve the files or is Django able to retrieve the mp3 from the filesystem(proper permissions of course) and serve that? If it do need to configure Apache how do I tell Django that? Thanks in advanced. These files are all on the HD so I don't need to "generate" anything on the spot and I'd like to prevent revealing the location of these files if at all possible. A simple /song/1234/download would be fantastic.

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• PHP script stops running arbitrarily with no errors.

  - by RobHardgood

  I was working on a fairly long script that seemed to stop running after about 20 minutes. After days of trying to figure out why, I decided to make a very simple script to see how long it would run without any complex code to confuse me. I found that the same thing was happening with this simple infinite loop. At some point between 15 and 25 minutes of running, it simply stopped. There is no error output at all. The bottom of the browser simply says "Done" and nothing else is processed. I've been over every single possible thing I could think of... set_time_limit, session.gc_maxlifetime in the php.ini as well as memory_limit and max_execution_time. The point that the script is stopped is never consistent. Sometimes it will stop at 15 minutes, sometimes 22 minutes, sometimes 17... But it's always long enough to be a PITA to test. Please, any help would be greatly appreciated. It is hosted on a 1and1 server. I contacted them and they couldn't help me... but I have a feeling they just didn't know enough.

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• Question about Virtual Inheritance hierarchy

  - by Summer_More_More_Tea

  Hi there: I encounter this problem when tackling with virtual inheritance. I remember that in a non-virtual inheritance hierarchy, object of sub-class hold an object of its direct super-class. What about virtual inheritance? In this situation, does object of sub-class hold an object of its super-class directly or just hold a pointer pointing to an object of its super-class? By the way, why the output of the following code is: sizeof(A): 8 sizeof(B): 20 sizeof(C): 20 sizeof(C): 36 Code: #include <iostream> using namespace std; class A{ char k[ 3 ]; public: virtual void a(){}; }; class B : public virtual A{ char j[ 3 ]; public: virtual void b(){}; }; class C : public virtual B{ char i[ 3 ]; public: virtual void c(){}; }; class D : public B, public C{ char h[ 3 ]; public: virtual void d(){}; }; int main( int argc, char *argv[] ){ cout << "sizeof(A): " << sizeof( A ) << endl; cout << "sizeof(B): " << sizeof( B ) << endl; cout << "sizeof(C): " << sizeof( C ) << endl; cout << "sizeof(D): " << sizeof( D ) << endl; return 0; } Thanks in advance. Kind regards.

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• XSLT: use parameters in xls:sort attributes (dynamic sorting)

  - by fireeyedboy

  How do I apply a parameter to a select and order attribute in a xsl:sort element? I'ld like to do this dynamic with PHP with something like this: $xsl = new XSLTProcessor(); $xslDoc = new DOMDocument(); $xslDoc->load( $this->_xslFilePath ); $xsl->importStyleSheet( $xslDoc ); $xsl->setParameter( '', 'sortBy', 'viewCount' ); $xsl->setParameter( '', 'order', 'descending' ); But I'ld first have to now how to get this to work. I tried the following, but it gives me a 'compilation error' : 'invalid value $order for order'. $sortBy doesn't seem to do anything either: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes"/> <xsl:param name="sortBy" select="viewCount"/> <xsl:param name="order" select="descending"/> <xsl:template match="/"> <media> <xsl:for-each select="media/medium"> <xsl:sort select="$sortBy" order="$order"/> // <someoutput> </xsl:for-each> </media> </xsl:template> </xsl:stylesheet>

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• Formulae for U and V buffer offset

  - by Abhi

  Hi all ! What should be the buffer offset value for U & V in YUV444 format type? Like for an example if i am using YV12 format the value is as follows: ppData.inputIDMAChannel.UBufOffset = iInputHeight * iInputWidth + (iInputHeight * iInputWidth)/4; ppData.inputIDMAChannel.VBufOffset = iInputHeight * iInputWidth; iInputHeight = 160 & iInputWidth = 112 ppdata is an object for the following structure: typedef struct ppConfigDataStruct { //--------------------------------------------------------------- // General controls //--------------------------------------------------------------- UINT8 IntType; // FIRSTMODULE_INTERRUPT: the interrupt will be // rised once the first sub-module finished its job. // FRAME_INTERRUPT: the interrput will be rised // after all sub-modules finished their jobs. //--------------------------------------------------------------- // Format controls //--------------------------------------------------------------- // For input idmaChannel inputIDMAChannel; BOOL bCombineEnable; idmaChannel inputcombIDMAChannel; UINT8 inputcombAlpha; UINT32 inputcombColorkey; icAlphaType alphaType; // For output idmaChannel outputIDMAChannel; CSCEQUATION CSCEquation; // Selects R2Y or Y2R CSC Equation icCSCCoeffs CSCCoeffs; // Selects R2Y or Y2R CSC Equation icFlipRot FlipRot; // Flip/Rotate controls for VF BOOL allowNopPP; // flag to indicate we need a NOP PP processing }*pPpConfigData, ppConfigData; and idmaChannel structure is as follows: typedef struct idmaChannelStruct { icFormat FrameFormat; // YUV or RGB icFrameSize FrameSize; // frame size UINT32 LineStride;// stride in bytes icPixelFormat PixelFormat;// Input frame RGB format, set NULL // to use standard settings. icDataWidth DataWidth;// Bits per pixel for RGB format UINT32 UBufOffset;// offset of U buffer from Y buffer start address // ignored if non-planar image format UINT32 VBufOffset;// offset of U buffer from Y buffer start address // ignored if non-planar image format } idmaChannel, *pIdmaChannel; I want the formulae for ppData.inputIDMAChannel.UBufOffset & ppData.inputIDMAChannel.VBufOffset for YUV444 Thanks in advance

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• MySQL get point in time totals from related tables

  - by batfastad

  Hi everyone We have an order book and invoicing system and I've been tasked with trying to output monthly rolling totals from these tables. But I don't know really where to start with this. I think there's some SQL syntax that I don't even know about yet. I'm familiar with INNER/LEFT/JOINS and GROUP BY etc but grouping by date is confusing since I don't know how to limit the data to only the current date that's being grouped by at that point. I think this will involve joining the tables to themselves or possibly a sub-select. I always thought it best to avoid sub-selects apart from when absolutely necessary. Basically the system has 3 tables orders: order_id, currency, order_stamp orders_lines: order_line_id, invoice_id, order_id, price invoices: invoice_id, invoice_stamp order_stamp and invoice_stamp are UTC unix timestamps stored as integers, not MySQL timestamps. I'm trying to get a listing by year/month showing the total of current unbilled orders (sum of price), at that point in time. Current orders are ones where order_stamp is less than or equal to 00:00 on the 1st of the month. Unbilled orders are ones where invoice_stamp is null or invoice_stamp is greater than 00:00 on the 1st of the month. At that point in time there may not be a related invoice yet and invoice_id might be null. Anyone got any suggestions on what I should join to what and what I need to group by? Cheers, B

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• Problem with NSString

  - by Kassar

  I have a problem with NSString in dynamic binding ... I manipulate with Facebook library, when i'll share my story i should make an instance of FBStreamDialog and charge its attributes with values of the story then show it, like this: FBStreamDialog* dialog = [[[FBStreamDialog alloc] init]autorelease]; dialog.delegate = self; dialog.userMessagePrompt = @"prompt"; NSString* sss=@"{ \"name\":\"%@\", \"href\":\"%@\", \"caption\":\"%@\", \"description\":\"%@\" , \"media\":[{ \"type\":\"image\", \"src\":\"%@\", \"href\":\"%@\" }] }"; dialog.attachment = [NSString stringWithFormat:sss,@"title",@"http://www.docs.com/hi.html",@"caption",@"summary",@"http://www.images.com/206.jpg",@"http://www.images.com/206.jpg"]; NSLog(@"ATTACHMENT: %@",dialog.attachment); The code above is running well. But my problem is when i want to charge these attributes dynamically like this: BStreamDialog* dialog = [[[FBStreamDialog alloc] init]autorelease]; dialog.delegate = self; dialog.userMessagePrompt = @"prompt"; NSString* sss=@"{ \"name\":\"%@\", \"href\":\"%@\", \"caption\":\"%@\", \"description\":\"%@\" , \"media\":[{ \"type\":\"image\", \"src\":\"%@\", \"href\":\"%@\" }] }"; dialog.attachment = [NSString stringWithFormat:sss,story.title,story.link,story.caption,story.summary,story.imagelink,story.imagelink]; NSLog(@"ATTACHMENT: %@",dialog.attachment); It's running without crash but it doesn't share the story it share a blank one !!! Although, it shows in the console (output of NSLog) the value of attachment is true !!! Could you plz help me. Sorry for my english.

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• not able to run c/cpp execs in eclipse cdt

  - by user1658323

  i installed eclipse and then cdt on an ubuntu system recently and was trying to make the first runnable c/c++ proj.. i installed g++ also, and then created the first executable cpp 'Hello World' project some files are created... then some issues... 1) even though Build Automatically is selected, I have to goto the project n do a Build Project to build it manually, and this i have to do everytime i make a change 2) After Building manually, there are some new folders created with Binaries and Debug files and i can see g++ commands in the console being executed. The project binary is output both to debug n binaries folder. But i am not able to run these through the Green Play Button or any other way in eclipse. Even Run configuration is not showing any option for c/C++ proj.. though i can goto terminal and run the binary myself through ./ But i want to be able to run n debug this through eclipse. plz help in fixing me this problem as i really love eclipse n have some c/cpp assignments coming soon.. Console info on doing a manual project build - Build of configuration Debug for project qwe ** make all Building file: ../src/qwe.cpp Invoking: GCC C++ Compiler g++ -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/qwe.d" -MT"src/qwe.d" -o "src/qwe.o" "../src/qwe.cpp" Finished building: ../src/qwe.cpp Building target: qwe Invoking: GCC C++ Linker g++ -o "qwe" ./src/qwe.o Finished building target: qwe Build Finished **

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• Segmenting and masking all shades of red from an image using opencv

  - by vrinda

  I am trying to segment all shades of red form an image using hue saturation values and use InRangeS function to create a mask which should have all red areas whitened and all others blacked(a new 1 channel image). Thwn Inpaint them to kind of obscure the segmented portions. My code is as given. However I am unable to get an output image, it doesnt segment the desired color range. Any pointers on my approach and why it isnt working. ? using namespace std; int main() { IplImage *img1=cvLoadImage("/home/techrascal/projects/test1/image2.jpeg"); //IplImage *img3; IplImage *imghsv; IplImage *img4; CvSize sz=cvGetSize(img1); imghsv=cvCreateImage(sz,IPL_DEPTH_8U,3); img4=cvCreateImage(sz,IPL_DEPTH_8U,1); int width = img1->width; int height = img1->height; int bpp = img1->nChannels; cvNamedWindow("original", 1); cvNamedWindow("hsv",1); cvNamedWindow("Blurred",1); int r,g,b; // create inpaint mask: img 4 will behave as mask cvCvtColor(img1,imghsv,CV_BGR2HSV); CvScalar hsv_min = cvScalar(0, 0, 0, 0); CvScalar hsv_max = cvScalar(255, 0, 0, 0); //cvShowImage("hsv",imghsv); cvInRangeS( imghsv, hsv_min, hsv_max, img4 ); cvInpaint(img1, img4, img1, 3,CV_INPAINT_NS ); cvShowImage("Blurred",img1); cvReleaseImage(&img1); cvReleaseImage(&imghsv); cvReleaseImage(&img4); //cvReleaseImage(&img3); char d=cvWaitKey(10000); cvDestroyAllWindows(); return 0;}

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• Calc_Anniversary Function with a Loop

  - by Rachel Ann Arndt

  Name: Calc_Anniversary Input: Pay_Date, Hire_Date, Termination_Date Output: "Y" if is the anniversary of the employee's Hire_Date, "N" if it is not, and "T" if he has been terminated before his anniversary. Description: Create local variables to hold the month and day of the employee's Date_of_Hire, Termination_Date, and of the processing date using the TO_CHAR function. First check to see if he was terminated before his anniversary. The anniversary could be on any day during the pay period, so there will be a loop to check all 14 days in the pay period to see if one was his anniversary. CREATE OR replace FUNCTION Calc_anniversary( incoming_anniversary_date IN VARCHAR2) RETURN BOOLEAN IS hiredate VARCHAR2(20); terminationdate VARCHAR(20); employeeid VARCHAR2(38); paydate NUMBER := 0; BEGIN SELECT Count(arndt_raw_time_sheet_data.pay_date) INTO paydate FROM arndt_raw_time_sheet_data; WHILE paydate <= 14 LOOP SELECT To_char(employee_id, '999'), To_char(hire_date, 'DD-MON'), To_char(termination_date, 'DD-MON') INTO employeeid, hiredate, terminationdate FROM employees, time_sheet WHERE employees.employee_id = time_sheet.employee_id AND paydate = pay_date; IF terminationdate > hiredate THEN RETURN 'T'; ELSE IF To_char(SYSDATE, 'DD-MON') = To_char(hiredate, 'DD-MON')THEN RETURN 'Y'; ELSE RETURN 'N'; END IF; END IF; paydate := paydate + 1; END LOOP; END; I need help with the loop..

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• Usage of VIsual Memory Leak Detector

  - by Yan Cheng CHEOK

  I found a very interesting memory leak detector by using Visual C++. http://www.codeproject.com/KB/applications/visualleakdetector.aspx I try it out, but cannot make it works to detect a memory leak code. I am using MS Visual Studio 2008. Any step I had missed out? #include "stdafx.h" #include "vld.h" #include <iostream> void fun() { new int[1000]; } int _tmain(int argc, _TCHAR* argv[]) { fun(); std::cout << "lead?" << std::endl; getchar(); return 0; } The output when I run in debug mode is : ... ... 'Test.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.4053_x-ww_e6967989\msvcr80.dll', Symbols loaded. 'Test.exe': Loaded 'C:\WINDOWS\system32\msvcrt.dll', Symbols loaded (source information stripped). 'Test.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.VC90.DebugCRT_1fc8b3b9a1e18e3b_9.0.30729.1_x-ww_f863c71f\msvcp90d.dll', Symbols loaded. 'Test.exe': Loaded 'C:\Program Files\Visual Leak Detector\bin\dbghelp.dll', Symbols loaded (source information stripped). Visual Leak Detector Version 1.9d installed. No memory leaks detected. Visual Leak Detector is now exiting. The program '[5468] Test.exe: Native' has exited with code 0 (0x0).

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• Maven3 Issues with building a multi-module enterprise project

  - by Sujit K

  I just migrated from Maven2 to Maven3 and I'm able to build each module individually or all the modules in one shot by calling mvn clean install. However, in Maven2, since we have multi-module enterprise project, we build multiple ear's and each ear is built as its own module with its own child pom. To build an individual ear with its dependents, the below command works fine in Maven2 but not in Maven3. Let me explain the issue in Maven3 a bit later. mvn -pl ear_module -rf first_dependent_module -am clean install In Maven2 when the reactor lists the build order, I see first_dependent_module second_dependent_module ear_module End of the day I have my ear module also part of the reactor which is how it should be. The reason we call -rf is we don't want to delete the target folder at the main ${project.basedir} (so not to delete the output created in target from building the other ear modules). With Maven3, however, this is all I see when the reactor lists the build order: first_dependent_module second_dependent_module Maven3 totally ignores the argument (ear_module) set to -pl flag to be also built after its dependents have been. Not sure what I'm missing here. Any help/tips would be greatly appreciated. P.S: The build I'm making is similar to the one below.... Build specific module in multi-module project Thanks, SK

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• Update multiple progress bar with gtk c++

  - by Yadira Suazo

  I need to output the i progress bars and update them all. But only the last one updates i times. This is the code: static void calculaPi (GtkButton * boton, Datos * dDatos){ const char * threads; GtkWidget * barra, *bot2, *button, *progress, *vbox; threads = gtk_entry_get_text(GTK_ENTRY(dDatos->dthreads )); gint ithreads = 1; ithreads = atoi(threads); barra = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title((GtkWindow *) barra, "Loteria de Threads"); gtk_window_set_default_size(GTK_WINDOW(barra), 300, ithreads*30); gtk_window_set_position(GTK_WINDOW(barra), GTK_WIN_POS_CENTER); button = gtk_button_new_with_label ("Click me!"); vbox = gtk_vbox_new (FALSE, 5); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 5); gtk_container_add (GTK_CONTAINER (barra), vbox); for (gint i = 1 ; i <= ithreads; i++) { progress = gtk_progress_bar_new (); gtk_box_pack_start (GTK_BOX (vbox), progress, FALSE, FALSE, 5); g_object_set_data (G_OBJECT (barra), "pbar", (gpointer) progress); g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (button_clicked), (gpointer) barra); } bot2 = gtk_button_new_with_label("Salir"); gtk_box_pack_start (GTK_BOX (vbox), bot2, FALSE, FALSE, 5); gtk_widget_set_size_request(bot2, 100, 35); g_signal_connect (G_OBJECT (bot2), "clicked", G_CALLBACK (destroy), G_OBJECT (barra)); gtk_widget_show_all(barra); gtk_main(); } static void button_clicked (GtkButton *button, GtkWidget *barra) { GtkProgressBar *progress; gdouble percent = 0.0; gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE); progress = GTK_PROGRESS_BAR (g_object_get_data (G_OBJECT (barra), "pbar")); while (percent <= 100.0) { gchar *message = g_strdup_printf ("%.0f%% Complete", percent); gtk_progress_bar_set_fraction (progress, percent / 100.0); gtk_progress_bar_set_text (progress, message); while (gtk_events_pending ()) gtk_main_iteration (); g_usleep (500000); percent += 5.0; } }

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• Returning data from SQL Server reporting web service call

  - by user79339

  Hi, I am generating a report that contains the version number. The version number is stored in the DB and retrieved/incremented as part of the report generation. The only problem is, I am calling SSRS via a web service call, which returns the generated report as a byte array. Is there any way to get the version number out of this generated report? For example to display a dialog that says "You generated Status Report, Version number 3". I tried passing in an output parameter and setting it inside the storedproc. Its modified when i execute it in sql management studio, but not in the reporting studio. Or atleast i can't seem to bind to the modified, post execution value (using expression "=Parameters!ReportVersion.Value"). Of course, I could get/increment the version number from database myself before calling the SSRS webservice and pass it along as a parameter to the Report, but that might cause concurrancy problems. On the whole, it just seems neater for the storedproc to access/generate a version number and return it to the ReportingEngine, which will generate the report with the version number and return the updated version number to the WebService client. Any thoughts/Ideas?

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• Run command with space characters in bash script

  - by ??iu

  I have a file that contains a list of files: 02 of Clubs.eps 02 of Diamonds.eps 02 of Hearts.eps 02 of Spades.eps ... I am attempting to mass-convert these to png format in several sizes. The script I am using to do this is: while read -r line do for i in 80 35 200 do convert $(sed 's/ /\\ /g' <<< Cards/${line}) -size ${i}x${i} ../img/card/$(basename $(tr ' ' '_' <<< ${line} | tr '[A-Z]' '[a-z]') .eps)_${i}.png; done done < card_list.txt However, this doesn't work, apparently trying to split on each word, resulting in the following error output: convert: unable to open image `Cards/02\': No such file or directory @ error/blob.c/OpenBlob/2514. convert: no decode delegate for this image format `Cards/02\' @ error/constitute.c/ReadImage/532. convert: unable to open image `of\': No such file or directory @ error/blob.c/OpenBlob/2514. convert: no decode delegate for this image format `of\' @ error/constitute.c/ReadImage/532. convert: unable to open image `Clubs.eps': No such file or directory @ error/blob.c/OpenBlob/2514. If I change the convert to an echo the result looks right and if I copy a line and run it myself in the shell it works fine: convert Cards/02\ of\ Clubs.eps -size 80x80 ../img/card/02_of_clubs_80.png convert Cards/02\ of\ Clubs.eps -size 35x35 ../img/card/02_of_clubs_35.png convert Cards/02\ of\ Clubs.eps -size 200x200 ../img/card/02_of_clubs_200.png convert Cards/02\ of\ Diamonds.eps -size 80x80 ../img/card/02_of_diamonds_80.png convert Cards/02\ of\ Diamonds.eps -size 35x35 ../img/card/02_of_diamonds_35.png convert Cards/02\ of\ Diamonds.eps -size 200x200 ../img/card/02_of_diamonds_200.png convert Cards/02\ of\ Hearts.eps -size 80x80 ../img/card/02_of_hearts_80.png convert Cards/02\ of\ Hearts.eps -size 35x35 ../img/card/02_of_hearts_35.png convert Cards/02\ of\ Hearts.eps -size 200x200 ../img/card/02_of_hearts_200.png convert Cards/02\ of\ Spades.eps -size 80x80 ../img/card/02_of_spades_80.png UPDATE: Just adding quotes (see below) has the same result as the above, where I had been using sed to add backslashes convert '"'Cards/${line}'"' -size ${i}x${i} ../img/card/$(basename $(tr ' ' '_' <<< ${line} | tr '[A-Z]' '[a-z]') .eps)_${i}.png; I've tried both double and single quotes

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• Ruby on Rails Truncate text - can I use it for a combination of title and content?

  - by Quhby

  I have <%=link_to topic.title, topic_path(topic) % - <%= truncate(topic.description_without_embed, :length=50, :omission ="...") % But what I really want to do is to truncate both the title and the post to 50 characters. How can this be done? The output should look something like Lorem ipsum dolor sit amet, consectetur adipiscing elit. - Curabitur eu dolor est, id pharetra lectus. Phasellus nec feugiat dolor. Curabitur feugiat ultrices leo ut egestas. Nullam nec nisi in ligula feugiat placerat. Ut adipiscing urna consequat tortor euismod pretium. Maecenas eget quam aliquet orci blandit eleifend eu et quam. Donec. instead of Lorem ipsum dolor sit amet, consectetur adipiscing elit. - Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur eu dolor est, id pharetra lectus. Phasellus nec feugiat dolor. Curabitur feugiat ultrices leo ut egestas. Nullam nec nisi in ligula feugiat placerat. Ut adipiscing urna consequat tortor euismod pretium. Maecenas eget quam aliquet orci blandit eleifend eu et quam. Donec. I don't need to use the truncate method, any method would be helpful. Thanks.

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• Using the <h2> as the title after sent?

  - by Delan Azabani

  Currently, I have a semi-dynamic system for my website's pages. head.php has all the tags before the content body, foot.php the tags after. Any page using the main theme will include head.php, then write the content, then output foot.php. Currently, to be able to set the title, I quickly set a variable $title before inclusion: <?php $title = 'Untitled document'; include_once '../head.php'; ?> <h2>Untitled document</h2> Content here... <?php include_once '../foot.php'; ?> So that in head.php... <title><?php echo $title; ?> | Delan Azabani</title> However, this seems kludgy as the title is most of the time, the same as the content of the h2 tag. Is there a way I can get PHP to read the content of h2, track back and insert it, then send the whole thing at the end?

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• Life Scope of Temporary Variable

  - by Yan Cheng CHEOK

  #include <cstdio> #include <string> void fun(const char* c) { printf("--> %s\n", c); } std::string get() { std::string str = "Hello World"; return str; } int main() { const char *cc = get().c_str(); // cc is not valid at this point. As it is pointing to // temporary string internal buffer, and the temporary string // has already been destroyed at this point. fun(cc); // But I am surprise this call will yield valid result. // It seems that the returned temporary string is valid within // scope (...) // What my understanding is, scope means {...} // Is this valid behavior guarantee by C++ standard? Or it depends // on your compiler vendor implementations? fun(get().c_str()); getchar(); } The output is : --> --> Hello World Hello, may I know the correct behavior is guarantee by C++ standard, or it depends on your compiler vendor implementations? I have tested this under VC2008 and VC6. Works fine for both.

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• Haskell lazy I/O and closing files

  - by Jesse

  I've written a small Haskell program to print the MD5 checksums of all files in the current directory (searched recursively). Basically a Haskell version of md5deep. All is fine and dandy except if the current directory has a very large number of files, in which case I get an error like: <program>: <currentFile>: openBinaryFile: resource exhausted (Too many open files) It seems Haskell's laziness is causing it not to close files, even after its corresponding line of output has been completed. The relevant code is below. The function of interest is getList. import qualified Data.ByteString.Lazy as BS main :: IO () main = putStr . unlines =<< getList "." getList :: FilePath -> IO [String] getList p = let getFileLine path = liftM (\c -> (hex $ hash $ BS.unpack c) ++ " " ++ path) (BS.readFile path) in mapM getFileLine =<< getRecursiveContents p hex :: [Word8] -> String hex = concatMap (\x -> printf "%0.2x" (toInteger x)) getRecursiveContents :: FilePath -> IO [FilePath] -- ^ Just gets the paths to all the files in the given directory. Are there any ideas on how I could solve this problem? The entire program is available here: http://haskell.pastebin.com/PAZm0Dcb

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• Python unicode search not giving correct answer

  - by user1318912

  I am trying to search hindi words contained one line per file in file-1 and find them in lines in file-2. I have to print the line numbers with the number of words found. This is the code: import codecs hypernyms = codecs.open("hindi_hypernym.txt", "r", "utf-8").readlines() words = codecs.open("hypernyms_en2hi.txt", "r", "utf-8").readlines() count_arr = [] for counter, line in enumerate(hypernyms): count_arr.append(0) for word in words: if line.find(word) >=0: count_arr[counter] +=1 for iterator, count in enumerate(count_arr): if count>0: print iterator, ' ', count This is finding some words, but ignoring some others The input files are: File-1: ???? ??????? File-2: ???????, ????-???? ?????-???, ?????-???, ?????_???, ?????_??? ????_????, ????-????, ???????_???? ????-???? This gives output: 0 1 3 1 Clearly, it is ignoring ??????? and searching for ???? only. I have tried with other inputs as well. It only searches for one word. Any idea how to correct this?

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• Modify the server side functions using jquery

  - by ant

  Hi, I am developing one website using cakephp and jquery technologies. Server-side there are some functions which handles sql queris. As per requirement I want to modify server side functions on client side using jquery AJAX call. E.g. : Below is the function on server side to modify users information. function modifyUser(username,userid) { //update query statements } Then jquery AJAX call will be like this : $.ajax({ url: 'users/modiyUser', success: function() { alert("Updation done") or any statements. } }); and I want to modify above i.e. server side function depending upon client input criteria. $.ajax({ function users/modiyUser(username,userid) { // I will write here any other statements which gives me some other output. } }); Above AJAX call syntax may not present, but i think you all understood what I am trying to do I simply wants to modify/override server side functions on client side. Please let me know is there any way to resolve above mentioned requirement. Thanks in adavance

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• Is it good choice to move a Sublayer around a view using UIPanGestureRecognizer?

  - by Pranjal Bikash Das

  I have a CALayer and as sublayer to this CALayer i have added an imageLayer which contains an image of resolution 276x183. I added a UIPanGestureRecognizer to the main view and calculation the coordinates of the CALayer as follows: - (void)panned:(UIPanGestureRecognizer *)sender{ subLayer.frame=CGRectMake([sender locationInView:self.view].x-138, [sender locationInView:self.view].y-92, 276, 183); } in viedDidLoad i have: subLayer.backgroundColor=[UIColor whiteColor].CGColor; subLayer.frame=CGRectMake(22, 33, 276, 183); imageLayer.contents=(id)[UIImage imageNamed:@"A.jpg"].CGImage; imageLayer.frame=subLayer.bounds; imageLayer.masksToBounds=YES; imageLayer.cornerRadius=15.0; subLayer.shadowColor=[UIColor blackColor].CGColor; subLayer.cornerRadius=15.0; subLayer.shadowOpacity=0.8; subLayer.shadowOffset=CGSizeMake(0, 3); [subLayer addSublayer:imageLayer]; [self.view.layer addSublayer:subLayer]; It is giving desired output but a bit slow in the simulator. I have not yet tested it in Device. so my question is - Is it OK to move a CALayer containing an image??

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• Pushing a local mercurial repository to a remote server or cloning at server from local

  - by Samaursa

  I have a local repository that I have now decided to push to a remote server (for example, I have a host that allows mercurial repositories and I am also trying to push to bitbucket). The repository has a lot of files and is a little more than 200mb. Locally, I am able to clone the repository without problems. Now I have a lot of changes in this repository, and I have wasted a couple of days trying to figure out how to get the remote server to clone my repository. I cannot get hg serve to work outside of the LAN. I have tried everything. So instead, I created a new repository at the remote servers (both at the host and bitbucket) with nothing in it. Now I am pushing the complete repository that I have locally to these remote locations. So far it has been unsuccessful, as the push operation is stuck on searching for changes and does not give me any other useful output. I have let it go for about an hour with no change. Now my questions is, what am I doing wrong as far as hg serve is concerned? I can access it locally but not remotely (through DynDns - I have configured it properly and the router forwards the ports correctly) so that I can get the server to clone the repository the first time after which I will be pushing to it. My second question is, assuming the clone at server does not work (for example, if I was to push my current repository to bitbucket), is creating an empty repository at the server and then pushing a local repository to the new remote repository ok? Is that the source of the searching for changes problem? Any help in this regard would be greatly appreciated.

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• Is XSLT worth investing time in and are there any actual alternatives?

  - by Keeno

  I realize this has been a few other questions on this topic, and people are saying use your language of choice to manipulate the XML etc etc however, not quite fit my question exactly. Firstly, the scope of the project: We want to develop platform independent e-learning, currently, its a bunch of HTML pages but as they grow and develop they become hard to maintain. The idea: Generate up an XML file + Schema, then produce some XSLT files that process the XML into the eLearning modiles. XML to HTML via XSLT. Why: We would like the flexibilty to be able to easy reformat the content (I realize CSS is a viable alternative here) If we decide to alter the pages layout or functionality in anyway, im guessing altering the "shared" XSLT files would be easier than updating the HTML files. So far, we have about 30 modules, with up to 10-30 pages each Depending on some "parameters" we could output drastically different page layouts/structures, above and beyond what CSS can do Now, all this has to be platform independent, and to be able to run "offline" i.e. without a server powering the HTML Negatives I've read so far for XSLT: Overhead? Not exactly sure why...is it the compute power need to convert to HTML? Difficult to learn Better alternatives Now, what I would like to know exactly is: are there actually any viable alternatives for this "offline"? Am I going about it in the correct manner, do you guys have any advice or alternatives. Thanks!

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