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• What's wrong with my svn:ignore pattern?

  - by boris callens

  I have the pattern svn:ignore datasheets/*/*.pdf It is supposed to ignore all pdfs that are at an arbitrary depth under multiple "datasheet" directories under the current root folder. As an example: say I have a dir structure like this Websites -web1 -dataSheets -AT -ignore.pdf -BE -NL -ignore.pdf -FR -ignore.pdf -ignore2.pdf -licenseAgreements -important.pdf -web2 -datasheets -etc In this example the pattern needs to ignore all the ignore.pdfs without ingoring the important.pdf too. The shown pattern still includes all my pdf files. I know there are a bunch of similar questions, but none of them seem to tackle the problem with the various hierarchy levels.

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• what is the return value of BeautifulSoup.find ?

  - by prosseek

  I run to get some value as score. score = soup.find('div', attrs={'class' : 'summarycount'}) I run 'print score' to get as follows. <div class=\"summarycount\">524</div> I need to extract the number part. I used re module but failed. m = re.search("[^\d]+(\d+)", score) TypeError: expected string or buffer function search in re.py at line 142 return _compile(pattern, flags).search(string) What's the return type of the find function? How to get the number from the score variable? Is there any easy way to let BeautifulSoup to return the value(in this case 524) itself?

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• "Streaming" MJPG using python.

  - by tyler

  I have a webcam that I want to do some image processing on using Python. It's coming through as a Motion-JPEG. I want to try to process the stuff "live," but really what I want to do is this: Open the URL, start data streaming to some buffer... Read x bytes (where x is image size) to an image Process that image Display in result panel Return to number 2 The problem is that, while I do have the resolution, I have no idea how many bytes to read. I've tried googling the M-JPEG specification but can't find anything on if the images are separated by some header or what. Anybody have any ideas?

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• Swing: what to do when a GUI update takes too long and freezes other GUI elements?

  - by java.is.for.desktop

  Hello, everyone! I know that GUI code in Java Swing must be put inside SwingUtilities.invokeAndWait or SwingUtilities.invokeLater. This way threading works fine. Sadly, in my situation, the GUI update it that thing which takes much longer than background thread(s). More specific: I update a JTree with about just 400 entries, nesting depth is maximum 4, so should be nothing scary, right? But it takes sometimes one second! I need to ensure that the user is able to type in a JTextPane without delays. Well, guess what, the slow JTree updates do cause delays for JTextPane during input. It refreshes only as soon as the tree gets updated. I am using Netbeans and know empirically that a Java app can update lots of information without freezing the rest of the UI. How can it be done? NOTE 1: All those DefaultMutableTreeNodes are prepared outside the invokeAndWait. NOTE 2: When I replace invokeAndWait with invokeLater the tree doesn't get updated.

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• export excel taking long time from ASP pages?

  - by ricky

  i am using following code for export to excel from .ASP page? GMID = Request.QueryString ("GMID") Response.Buffer = False Response.ContentType = "application/vnd.ms-excel" DIR_YR = Request.QueryString ("DIR_YR") CD = Request.QueryString("CD") YEAR = Request.QueryString("IND") Problem that I am facing is that When records are around 2,000 or more{ export to excel ask for open option .When i click on that option only Download in progress... shown but actually no excel pop up will open .How can I fixed this bug because for 700-800 rows its working Fine. I am not looking for whole change codes because there is a problem with only One Sale rep who is having more than 2000 rows.I am looking for one or two rows changes.

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• LLVM Clang 5.0 explicit in copy-initialization error

  - by kevzettler

  I'm trying to compile an open source project on OSX that has only been tested on Linux. $: g++ -v Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1 Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) Target: x86_64-apple-da I'm trying to compile with the following command line options g++ -MMD -Wall -std=c++0x -stdlib=libc++ -Wno-sign-compare -Wno-unused-variable -ftemplate-depth=1024 -I /usr/local/Cellar/boost/1.55.0/include/boost/ -g -O3 -c level.cpp -o obj-opt/level.o I am seeing several errors that look like this: ./square.h:39:70: error: chosen constructor is explicit in copy-initialization int strength = 0, double flamability = 0, map<SquareType, int> constructions = {}, bool ticking = false); The project states the following are requirements for the Linux setup. How can I confirm I'm making that? gcc-4.8.2 git libboost 1.5+ with libboost-serialize libsfml-dev 2+ (Ubuntu ppa that contains libsfml 2: ) freeglut-dev libglew-dev

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• Lightweight PHP library alternative to common MVC frameworks

  - by artarad

  Hi hi, I'm looking for a easy to learn php library to use for my coming web app project. I've recently finished a web app with fully handwritten raw php code and it's absolutely hard to be done again for another project. even though I have the recent project code snippets to be used again, but due to their non-structural arrangement (not object oriented), i have no passion to use 'em again. I have no experience with common frameworks like ZF, CakePhp, CodeIgniter, so I think to get my hands on a multipurpose OO library for my web app and the framework learning will be the next step! any suggestion? UPDATE: Many thanks guys, I have not enough time to get through the depth of every lib or framework you have kindly introduced. Since I'm going one step further I'm going to use ZF as famous framework which could provide me more job opportunities perhaps. thankssss :)

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• Double Buffering with awt

  - by DDP

  Is double buffering (in java) possible with awt? Currently, I'm aware that swing should not be used with awt, so I can't use BufferStrategy and whatnot. If double buffering is possible with awt, do I have to write the buffer by hand? Unlike swing, awt doesn't seem to have the same built-in double buffering capability. If I do have to write the code by hand, is there a good tutorial to look at? Or is it just easier/advisable for a novice programmer to use swing instead? Sorry about the multi-step question. Thanks for your time :)

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• drupal display submenu when parent has been selected

  - by Steven Cheng

  I've have a menu structure that has a depth of 3 levels on a drupal 6 CMS. When I click on a level 1 that has children, the level 2 menu items display fine. If the level 2 has children, it is not showing the level 3. If I check the expanded box the level 3 is displayed however, it displays all the time irrespective of the level 2 that has been selected. It seems to display whenever it's parent level 1 is selected. For further information, the menu items are a mixture of custom links & content links. i.e. Links I've enetered manually when creating the menu and others generated by when creating a node or view display. All I want is to show the children if there are any for the selected parent. Am I missing something fundamental here? Thanks Steve

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• A RecursiveParentChildIterator -- like the RecursiveDirectoryIterator

  - by Stephen J. Fuhry

  There are tons of examples of using the RecursiveIterator to flatten a tree structure.. but what about using it to explode a tree structure? Is there an elegant way to use this, or some other SPL library to recursively build a tree (read: turn a flat array into array of arbitrary depth) given a table like this: SELECT id, parent_id, name FROM my_tree EDIT: You know how you can do this with Directories? $it = new RecursiveDirectoryIterator("/var/www/images"); foreach(new RecursiveIteratorIterator($it) as $file) { echo $file . PHP_EOL; } .. What if you could do something like this: $it = new RecursiveParentChildIterator($result_array); foreach(new RecursiveIteratorIterator($it) as $group) { echo $group->name . PHP_EOL; // this would contain all of the children of this group, recursively $children = $group->getChildren(); } :END EDIT

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• How should I embed/include Enterprise Architect UML diagrams in MS PowerPoint 2007?

  - by bn

  Setup I am using Sparx Systems Enterprise Architect Professional edition 7.5: http://www.sparxsystems.com.au/ and MS PowerPoint. Problem I have various audiences for presentations requiring display in MS PowerPoint -- ranging from managers to developers, whose depth of technical knowledge and requirements for knowledge varies. Question I have tried various settings for fonts, colors, and so on, but displaying a diagram with any level of detail (even simple class diagrams). These diagrams are very difficult to fit into a PowerPoint slide and render well when using a projector or a Live Meeting. Am I on the wrong path here, or is there a better/correct way to accomplish this? Thank you for the help, -bn

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• What's the best way to convert a .eps (CMYK) to a .jpg (RGB) with Image Magick

  - by Slinky

  Hi All, I have a bunch of .eps files (CMYK) that I need to convert to .jpg (RGB) files. The following command sometimes gives me under or over saturated .jpg images, when compared to the source EPS file: $cmd = "convert -density 300 -quality 100% -colorspace RGB ".$epsURL." -flatten -strip ".$convertedURL; Is there a smarter way to do this such that the converted image will have the same qualities as the source EPS file? Here is an example of the source file info: Image: rejm.eps Format: PS (PostScript) Class: DirectClass Geometry: 537x471 Base geometry: 1074x941 Type: ColorSeparation Endianess: Undefined Colorspace: CMYK Channel depth: Cyan: 8-bit Magenta: 8-bit Yellow: 8-bit Black: 8-bit Channel statistics: Cyan: Min: 0 (0) Max: 255 (1) Mean: 161.913 (0.634955) Standard deviation: 72.8257 (0.285591) Magenta: Min: 0 (0) Max: 255 (1) Mean: 184.261 (0.722591) Standard deviation: 75.7933 (0.297229) Yellow: Min: 0 (0) Max: 255 (1) Mean: 70.6607 (0.277101) Standard deviation: 39.8677 (0.156344) Black: Min: 0 (0) Max: 195 (0.764706) Mean: 34.4382 (0.135052) Standard deviation: 38.1863 (0.14975) Total ink density: 292% Colors: 210489 Rendering intent: Undefined Resolution: 28.35x28.35 Units: PixelsPerCentimeter Filesize: 997.727kb Interlace: None Background color: white Border color: #DFDFDFDFDFDF Matte color: grey74 Page geometry: 537x471+0+0 Dispose: Undefined Iterations: 0 Compression: Undefined Orientation: Undefined Signature: 8ea00688cb5ae496812125e8a5aea40b0f0e69c9b49b2dc4eb028b22f76f2964 Profile-iptc: 19738 bytes Thanks

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• how do i use a .dat file as a model for an entity in minecraft?

  - by user1835502

  the entity does not have to do anything, just stand there like a statue, or it doesn't have to be an entity at all, just so the .dat file renders in minecraft i saw this http://pastebin.com/jP4diLJ9 in a java file that came with a .exe, and in the .exe you can choose one of the .dat files and it will show you it as a model, i also asked on minecraft forums and someone said it was possible but i have no idea how maybe has something to do with this try { FileOutputStream fileoutputstream = new FileOutputStream("./Models/"+id+".dat"); fileoutputstream.write(b, 0, b.length); fileoutputstream.close(); } catch(Throwable _ex) {} or if(i 0) {//grabs all models System.out.println("Sending request for Model: "+i); addRequest( 7, i); byte b[] = pack.unpack(download().buffer); if(pack.unpacked) { savemodel(i,b); System.out.println("Model Saved"); }else{ System.out.println("Model Grabbing Complete"); break;

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• Considering getting into reverse engineering/disassembly

  - by Zombies

  Assuming a decent understanding of assembly on common CPU architectures (eg: x86), how can one explore a potential path (career, fun and profit, etc) into the field of reverse engineering? There is so little educational guides out there so it is difficult to understand what potential uses this has today (eg: is searching for buffer overflow exploits still common, or do stack monitoring programs make this obselete?). I am not looking for any step by step program, just some relevant information such as tips on how to efficiently find a specific area of a program. Basic things in the trade. As well as what it is currently being used for today. So to recap, what current uses does reverse engineering yield today? And how can one find some basic information on how to learn the trade (again it doesn't have to be step-by-step, just anything which can through a clue would be helpful).

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• Flushing stdin after every input - which approach is not buggy?

  - by Aseem Bansal

  While using scanf() in C there is always the problem of extra input lying in the input buffer. So I was looking for a function that I call after every scanf call to remedy this problem. I used this, this, this and this to get these answers //First approach scanf("%*[^\n]\n"); //2ndapproach scanf("%*[^\n]%*c"); //3rd approach int c; while((c = getchar()) != '\n' && c != EOF) /* discard */ ; All three are working as far as I could find by hit-and-trial and going by the references. But before using any of these in all of my codes I wanted to know whether any of these have any bugs?

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• Does malloc() allocate a contiguous block of memory?

  - by user66854

  I have a piece of code written by a very old school programmer :-) . it goes something like this typedef struct ts_request { ts_request_buffer_header_def header; char package[1]; } ts_request_def; ts_request_buffer_def* request_buffer = malloc(sizeof(ts_request_def) + (2 * 1024 * 1024)); the programmer basically is working on a buffer overflow concept. I know the code looks dodgy. so my questions are: Does malloc always allocate contiguous block of memory ?. because in this code if the blocks are not contiguous , the code will fail big time Doing free(request_buffer) , will it free all the bytes allocated by malloc i.e sizeof(ts_request_def) + (2 * 1024 * 1024), or only the bytes of the size of the structure sizeof(ts_request_def) Do you see any evident problems with this approach , i need to discuss this with my boss and would like to point out any loopholes with this approach

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• How to stop expanding an infinite SWT Tree upon pressing "*"

  - by Lóránt Pintér

  I have an SWT Tree in my application that contains an infinite data structure. Upon expanding an item, I generate its children. On Windows though, users can press "*", triggering an "expand all descendants" action, and my application hangs. There are two acceptable behaviors for me when the user presses "*": Expand all children of the selected element, but only to the next level Do nothing In either case, I will still need to be able to expand items as deep as required (by clicking on the [+] icon, or by pressing "+"), so limiting the tree depth is not a solution. Is there another way that I can achieve either of the above without modifying SWT classes?

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• Advanced example-driven C book with a lot of code.

  - by Inso Reiges

  Hello, I am looking for a book on advanced C programming that: Teaches how to effectively express one's solution in C when one already knows the language in depth. Shows some common design idioms expressed in C, like encapsulation, modularity and that kind of thing. Is example-driven with a lot of good-quality code. I already know the language itself so books like otherwise wonderful "Expert C Programming" by Peter van der Linden is not really what i am looking for. What i need is a book on how to express my design in C, what are the common idioms, best practices, etc. I would also like to note that i am primarily interested in C, not C++, C#, Objective-C or any other languages inspired by C-like syntax. Thank you.

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• How to store the result of a JSP in a string?

  - by Spines

  I want to store the result of a JSP in a string. For example, I want to be able to call a function like: String result = ProcessJsp("/jspfile.jsp"); Also, this must be rather efficient. Making a url request to the jsp and then storing it would definitely be too slow. How could I do this? Here are my thoughts on how to do this, though I'm not sure if it would work, and I'm hoping there is something simpler: Do RequestDispatcher("/jspfile.jsp").include(hreq, hresp), but instead of putting the real HttpResponse object in there, you put your own where the getWriter() method returns something that writes to your String or a memory buffer, etc.

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• How to use C# nested structures to access tree of data

  - by zotty

  I'm importing some XML to C#, and want to be able to access data from the XML in the form of what I think is a nested structure. (I may be wrong!) What I have in my XML is in the following form: <hardwareSettings initial="true> <cameraSettings width="1024" height="768" depth="8" /> <tiltSettings theta="35" rho="90"> </hardwareSettings> I can import each setting alright, so I have them all in individual ints, but I would like to be able to access it in the form int x=hardwaresettings.camerasettings.width; int rho=hardwaresettings.tiltsettings.rho; I've tried various arrangements of structs within structs, but I don't seem able to cast a new object (hardwaresettings) that contains the appropriate children (camerasettings.width & tiltsettings.rho). Sorry if I'm not using the right lingo... I'm reading myself in circles here!

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• How i store the images pixels in matrix form?

  - by Rajendra Bhole

  Hi, I developing an application in which the pixelize image i want to be store in matrix format. The code is as follows. struct pixel { //unsigned char r, g, b,a; Byte r, g, b; int count; }; (NSInteger) processImage1: (UIImage*) image { // Allocate a buffer big enough to hold all the pixels struct pixel* pixels = (struct pixel*) calloc(1, image.size.width * image.size.height * sizeof(struct pixel)); if (pixels != nil) { // Create a new bitmap CGContextRef context = CGBitmapContextCreate( (void*) pixels, image.size.width, image.size.height, 8, image.size.width * 4, CGImageGetColorSpace(image.CGImage), kCGImageAlphaPremultipliedLast ); NSLog(@"1=%d, 2=%d, 3=%d", CGImageGetBitsPerComponent(image), CGImageGetBitsPerPixel(image),CGImageGetBytesPerRow(image)); if (context != NULL) { // Draw the image in the bitmap CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, image.size.width, image.size.height), image.CGImage); NSUInteger numberOfPixels = image.size.width * image.size.height; I confusing about how to initialize the 2-D matrix in which the matrix store data of pixels.

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• mysql - filtering a list against keywords, both list and keywords > 20 million records

  - by threecheeseopera

  I have two tables, both having more than 20 million records; table1 is a list of terms, and table2 is a list of keywords that may or may not appear in those terms. I need to identify the terms that contain a keyword. My current strategy is: SELECT table1.term, table2.keyword FROM table1 INNER JOIN table2 ON table1.term LIKE CONCAT('%', table2.keyword, '%'); This is not working, it takes f o r e v e r. It's not the server (see notes). How might I rewrite this so that it runs in under a day? Notes: As for server optimization: both tables are myisam and have unique indexes on the matching fields; the myisam key buffer is greater than the sum of both index file sizes, and it is not even being fully taxed (key_blocks_unused is ... large); the server is a dual-xeon 2U beast with fast sas drives and 8G of ram, fine-tuned for the mysql workload.

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• Regular expressions in python unicode

  - by Remy

  I need to remove all the html tags from a given webpage data. I tried this using regular expressions: import urllib2 import re page = urllib2.urlopen("http://www.frugalrules.com") from bs4 import BeautifulSoup, NavigableString, Comment soup = BeautifulSoup(page) link = soup.find('link', type='application/rss+xml') print link['href'] rss = urllib2.urlopen(link['href']).read() souprss = BeautifulSoup(rss) description_tag = souprss.find_all('description') content_tag = souprss.find_all('content:encoded') print re.sub('<[^>]*>', '', content_tag) But the syntax of the re.sub is: re.sub(pattern, repl, string, count=0) So, I modified the code as (instead of the print statement above): for row in content_tag: print re.sub(ur"<[^>]*>",'',row,re.UNICODE But it gives the following error: Traceback (most recent call last): File "C:\beautifulsoup4-4.3.2\collocation.py", line 20, in <module> print re.sub(ur"<[^>]*>",'',row,re.UNICODE) File "C:\Python27\lib\re.py", line 151, in sub return _compile(pattern, flags).sub(repl, string, count) TypeError: expected string or buffer What am I doing wrong?

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• Interop Structure: Should Unsigned Short be Mapped to byte[]?

  - by Ngu Soon Hui

  I have such a C++ structure: typedef struct _FILE_OP_BLOCK { unsigned short fid; // objective file ID unsigned short offset; // operating offset unsigned char len; // buffer length(update) // read length(read) unsigned char buff[MAX_BUFF_SIZE]; } FILE_OP_BLOCK; And now I want to map it in .Net. The tricky thing is that the I should pass a 2 byte array for fid, and integer for len, even though in C# fid is an unsigned short and len is an unsigned char I wonder whether my structure ( in C#) below is correct? public struct File_OP_Block { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)] public byte[] fid; public ushort offset; public byte length; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 240)] public char[] buff; }

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• How do you determine using stat() whether a file is a symbolic link?

  - by hora

  I basically have to write a clone of the UNIX ls command for a class, and I've got almost everything working. One thing I can't seem to figure out how to do is check whether a file is a symbolic link or not. From the man page for stat(), I see that there is a mode_t value defined, S_IFLNK. This is how I'm trying to check whether a file is a sym-link, with no luck (note, stbuf is the buffer that stat() returned the inode data into): switch(stbuf.st_mode & S_IFMT){ case S_IFLNK: printf("this is a link\n"); break; case S_IFREG: printf("this is not a link\n"); break; } My code ALWAYS prints this is not a link even if it is, and I know for a fact that the said file is a symbolic link since the actual ls command says so, plus I created the sym-link... Can anyone spot what I may be doing wrong? Thanks for the help!

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