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• XPath to compare two distinct attributes of two elements

  - by user364902

  Suppose I have this XML: <x> <e s="1" t="A"/> <e s="2" t="A"/> <e s="1" t="B"/> </x> Is there any way to write an xpath to find any nodes named "e" which have the same value of @s as another node but a different value of @t for the same node. The first part is easy: //e[@s = //e/@s] as is the second part: //e[@t != //e[@t]] But I don't see any way to construct an xpath that compares two different attributes for two separate elements "e". Is there a way within the xpath syntax, or is it hopeless?

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• How to go through every record in sqllite db?

  - by Pavel

  Hi guys. I think it's kinda easy one but still I'm new to android programming so please have patience. I want to know how can I get the number of records (rows) in a specific table in my db. I need this so I can create a loop to go through every record and add each one of it to the specific Array and display it later on. This is the source: db.openDataBase(); // open connection with db Cursor c = db.getTitle(5); // loop here through db, right now I'm fetching only one record startManagingCursor(c); //adding areas to the list here Area o1 = new Area(); o1.setOrderName(c.getString(1) + c.getString(2)); m_areas.add(o1); db.close(); Does anyone can help me with this please? Thx in advance!

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• RewriteCond simply doesn't work, doesn't check properly if file exists

  - by ultranol

  Hey everybody. I've been trying to solve this for hours now but came up with nothing. Inside .htaccess, whenever somebody requests an image from a folder of my website, I'm trying to check if a file with the same name exists in another folder; if it does, return that file; if it doesn't, return the file originally requested. It seems so easy but it simply doesn't work. The .htaccess code is as follows: RewriteEngine On RewriteCond /images/blog/watermark/$1 -f RewriteRule ^(.*) /images/blog/watermark/$1 The "RewriteCond" always returns negative, so the image requested is always loaded as is. If I change it to, like, RewriteCond %{REQUEST_FILENAME} -f it always returns positive, so it gets the image from the folder I want - except when the image's not there, generating an error, which is exactly what I'm trying to prevent. What am I doing wrong? Thanks.

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• Ignoring "Content is not allowed in trailing section" SAXException

  - by Paul J. Lucas

  I'm using Java's DocumentBuilder.parse(InputStream) to parse an XML document. Occasionally, I get malformed XML documents in that there is extra junk after the final > that causes a SAXException: Content is not allowed in trailing section. (In the cases I've seen, the junk is simply one or more null bytes.) I don't care what's after the final >. Is there an easy way to parse an entire XML document in Java and have it ignore any trailing junk? Note that by "ignore" I don't simply mean to catch and ignore the exception: I mean to ignore the trailing junk, throw no exception, and to return the Document object since the XML up to an including the final > is valid.

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• Representing a Gameworld that is Irregularly shaped

  - by Aaron M

  I am working on a project where the game world is irregularly shaped (Think of the shape of a lake). this shape has a grid with coordinates placed over it. The game world is only on the inside of the shape. (Once again, think Lake) How can I efficiently represent the game world? I know that many worlds are basically square, and work well in a 2 or 3 dimension array. I feel like if I use an array that is square, then I am basically wasting space, and increasing the amount of time that I need to iterate through the array. However, I am not sure how a jagged array would work here either. Example shape of gameworld X XX XX X XX XXX XXX XXXXXXX XXXXXXXX XXXXX XX XX X X Edit: The game world will most likely need each valid location stepped through. So I would a method that makes it easy to do so.

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• looping and arrays

  - by user1838418

  Hi I'm trying to construct a loop to execute 16 states of the 8 4 2 1 code in (C++) while( condition) { double Bubble[16], Bubble1[16]; Bubble[0] = ( a-2 - (b-2) ) + ( c-2 - (d-2)); // represents 0000 Bubble[1] = ( a-2 - (b-2) ) + ( c-2 - (d+2)); // represents 0001 Bubble[2] = ( a-2 - (b-2) ) + ( c+2 - (d-2)); // represents 0010 Bubble[3] = ( a-2 - (b-2) ) + ( c+2 - (d+2)); //represents 0011 ....... Bubble[15] =(a+2 - (b+2) ) + ( c+2 - (d+2)); //represents 1111 } Is there an easy way of coding using for loops? instead of writing bubble[] every time? 0 stands for -2 and 1 stands for +2. So I have 4 variables and each one need to be incremented and/or decremented. Can this be done using for loop? Appreciate your help

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• How to change the jtooltip timers for 1 component.

  - by i30817

  I have a component where i want to display a custom jtooltip. That is easy, just change the getTooltip method. Similar for location and text. However i also want to change the timers. The tooltip should always be displayed if the mouse is over a cellrenderer of the component. If it leaves all of those it should be turned invisible. I know that i can use TooltipManager to control the times globally. But the best solution is probably to just shortcircut that and display the tooltip myself with a mouselistener. However when i tried to do that (unregister the component in TooltipManager and setting the tooltip visible, with text and in the correct position, in a mouse listener) the tooltip never showed at all. What am i doing wrong?

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• Testing HTTPS files with MAMP

  - by jgreenawalt

  I am running MAMP locally on my laptop, and I like to test as much as I can locally. Unfortunately, since I work on e-commerce stuff (PHP), I normally force ssl in most of the checkout forms and it just fails on my laptop. Is there any easy configuration that I might be missing to allow "https" to run under MAMP? Please note, I know that I could configure Apache by hand, re-compile PHP, etc. but I'm just wondering if there's an easier way for a lazy programmer. Thanks

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• C++ Array of Variable sized Arrays

  - by adam

  I am very new to C++ and I realise the following is not necessarily as easy as I'd like it to be, but I'd really appreciate a more expert opinion. I am essentially trying to achieve a dynamic iteration over a variable sized array of variable sized arrays similar to the following. String *2d_array[][] = {{"A1","A2"},{"B1","B2","B3"},{"C1"}}; for (int i=0; i<2d_array.length; i++) { for (int j=0; j<2d_array[i].length; j++) { print(2d_array[i][j]); } } Is there a reasonable way to do this? Perhaps by using a vector, or another struct? Thanks :)

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• Generate all permutations with sort constraint

  - by Moos Hueting

  Hi! I have a list consisting of other lists and some zeroes, for example: x = [[1, 1, 2], [1, 1, 1, 2], [1, 1, 2], 0, 0, 0] I would like to generate all the combinations of this list while keeping the order of the inner lists unchanged, so [[1, 1, 2], 0, 0, [1, 1, 1, 2], [1, 1, 2], 0] is fine, but [[1, 1, 1, 2], [1, 1, 2], 0, 0, [1, 1, 2], 0] isn't. I've got the feeling that this should be fairly easy in Python, but I just don't see it. Could somebody help me out?

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• Display error when entire form is blank in CodeIgniter

  - by Joe

  I'm trying to create a fairly simple form that has a few checkboxes and input fields and a textarea. Nothing is required by itself; however, if 'A' checkbox is checked, then 'A' input field is required (and so on for the couple other checkboxes I have). I have the above functionality in place, but I'm having a tough time figuring out how to have an error returned if the form is submitted blank (since nothing is required by default). Does anyone know of an easy-ish solution for this? It seems like it should be so simple... Thanks

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• Inline Zend Navigation links in view content saved to db

  - by takeshin

  I'm storing the page content in the database (both as markup and HTML code) and displaying this content in the view (let's say it's CMS or forum post). The this data have also some links to internal pages existing in sitemap (Zend_Navigation object). It's easy to insert the link in page body just by using <a> tag. But the contents of this inline links does not change when I update the sorce XML for Zend Navigation (url's, attributes, ACL permissions). How do you handle this case? Special markup for the link, converting the link using url view helper? Iterate Zend_Navigation object extracting specific link (one by one)?

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• Write/read count to txt file

  - by Brian

  Hi, I need a batch file that writes the count number to a txt file. Next time the batch file is run, it should read the current count number from the txt file and add 1 to count and save this new value in the txt file. (nothing else is in the txt file) When count is 5 it should start from 1 again Example: Count.bat runs 1 time: count.txt has no count so Count.bat saves the value 1 in count.txt Count.bat is run 2 time: Count.bat reads 1 from count.txt and saves the new value 2 to count.txt When count.bat is run for the 6 time it should start over by saving the value 1 in count.txt I think this just be easy to do, but I'am not use to batch commands So hopefully someone here could help me.

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• What features do you expect from a Java (Rich) Client Framework?

  - by Peter Walser

  I'm intending to design (and provide a reference implementation for) a new Swing Rich Client Framework. My job and personal experience covers many project-specific Swing client frameworks as well as the Eclipse RCP, and every one of them had some original and clever concepts, but also drawbacks and rigid realizations. My plan is to incorporate the best of those concepts and features into a new framework whose core is very open and extendable. For my must-have-features list, I'm counting on your input and hope you can share some concept pearls & diamonds you've encountered in other frameworks, or features you always wanted to have or have in a better way. The framework is intended for very simple to very complex and sophisticated projects for clients that need full i18n for richt clients that execute some or all of the non-presentation logic on the server to be very lightweight to be easy to learn and use Thanks in advance for sharing your insights :)

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• Recommendations for Slideshow Publishing Tool

  - by Chris_K

  A client has asked me to research production tools for publishing slideshows on their Web site. The tool must be very easy to use and it has to generate a mobile version as well as a desktop version of the slideshow. (I'll spare you the rest of the specs.) Tools under consideration include SlideShowPro and Soundslides. Do you have a favorite tool, intended for publishers? In addition to generating code for pasting into a Web page, it would be great if the tool had a hosting component as well, so that a future iPhone app could consume an XML feed of the slideshows, similar to what SlideShowPro offers.

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• When configuring daily backups, which files should I include to be sure I have the MySQL db's

  - by user575599

  I have a dedicated LAMP server with cpanel hosting 100 websites (some of them have MySQL db's). I am currently using the Jungle Disk Server Edition to backup our files from our LAMP server to Amazon S3. Once a week were are backing up the entire cpanel which is an enormous strain on resources but that is a separate issue. Now, what I want to do is to set up a daily job to backup just the HTML files and the MySQL db's. If I just backup the "public_html" folder will my MySQL database info be stored in that directory? Would backing up the public_html folder be enough to recover the db? I can find plenty of resources online about how to manually backup MySQL db's but with a 100 sites, I need it automated. I'm hoping for an easy solution where I can just grab a folder to backup each day.

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• Display only file name in FileUpload control

  - by Jagd

  I have a webpage in asp.net 3.5 that uses the FileUpload control. When a user clicks on the "Browse" button (which is part of the control) the control displays a file select popup (dialog box). When the user selects the file which they wish to upload, by default the full path to the file is shown in the textbox (which is also part of the control); however, I wish for it to only display the file name and not the full path. Anyone know of a slick and easy way to do this?

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• Get only Excel column names in C#

  - by Newbie

  Is there any easy way apart from ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+fileName+";Extended Properties='Excel 8.0;HDR=YES;IMEX=1'"; using (objConn = new OleDbConnection(ConnectionString)) { objConn.Open(); Logger.Info("Reading the file "+fileName+"...."); objCmdSelect = new OleDbCommand("SELECT * FROM [" + sheetName + "$] WHERE 0 = 1", objConn); objAdapter = new OleDbDataAdapter(); objAdapter.SelectCommand = objCmdSelect; objDataset = new DataSet(); Logger.Info("Filling the dataset...."); objAdapter.Fill(objDataset, fileName); Logger.Info("Returning the dataset...."); return objDataset; } and then looping the datatables for getting the excel column names given a filename and sheet name? Using C#(and no interop services) Thanks

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• How to get the app a Django model is from?

  - by e-satis

  I have a model with a generic relation: TrackedItem --- genericrelation ---> any model I would like to be able to generically get, from the initial model, the tracked item. I should be able to do it on any model without modifying it. To do that I need to get the content type and the object id. Getting the object id is easy since I have the model instance, but getting the content type is not: ContentType.object.filter requires the model (which is just content_object.__class__.__name__) and the app_label. I have no idea of how to get in a reliable way the app in which a model is. For now I do app = content_object.__module__.split(".")[0], but it doesn't work with django contrib apps.

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• How to call a function from a shared library?

  - by Frank

  What is the easiest and safest way to call a function from a shared library / dll? I am mostly interested in doing this on linux, but it would be better if there were a platform-independent way. Could someone provide example code to show how to make the following work, where the user has compiled his own version of foo into a shared library? // function prototype, implementation loaded at runtime: std::string foo(const std::string); int main(int argc, char** argv) { LoadLibrary(argv[1]); // loads library implementing foo std::cout << "Result: " << foo("test"); return 0; } BTW, I know how to compile the shared lib (foo.so), I just need to know an easy way to load it at runtime.

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• Makefile automatic link dependency ?

  - by Kuang Chen

  It's easy to let program figure out the dependency at compile time, (with gcc -MM). Nevertheless, link dependency (deciding which libraries should be linked to) seems to be difficult to figure out. This issue become emergent when multiple targets with individual libraries to link to are needed. For instance, three dynamic library targets t1.so, t2.so and t3.so needs to be built. t1.so needs math library (-lm), while t2 and t3 don't. It would be tedious to write separate rules. A single rule requiring the three targets linked with math library saves the trouble. However, it causes inflation of target size since math library is unused for t2.so and t3.so. Any ideas?

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• Is there any declare for toggle() that if its open do this, closed to that?

  - by Dejan.S

  Im doing some jquery stuff with toggle(), I'm doing different actions depending on if the current div is closing or showing, i know i can easy check if a div hasClass() or is(':visible') for what i want to do, but I'm thinking maybe there is somehow that i can reduce the amount of code or just do it more efficient? like declare the toggle() with two functions that this is for when its showing and this is for when its closing, is this possible? hope you get what i mean? like this, or check a jsfiddle $('#click_me').on('click', function() { $('#contain').toogle('blind', 300, function (){ alert('open'); }, function (){ alert('close'); }); });

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• Free service that allows storing game data online?

  - by StackedCrooked

  I have created a small game in Java and I would like to add the ability for a player to publish his highscores online. I'm willing to write the server software myself (it's easy these days with Ruby Mongrel, or even C++). All I just need to have some sort hosting. One solution that immediately comes to mind is Amazon EC2. But that's kind of expensive for my needs. Since the requirements are very minimal (I don't even need a website, just a web service) I think there may be a cheaper solution out there. Does anyone know of a free or cheap provider for this kind of thing?

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• Replace an element name while retaining the attributes with jquery

  - by geckomist

  I'm trying to create a jquery setup where all instances of <i> are changed to <em>. It's easy enough to do with: $("i").each(function(){ $(this).replaceWith($('<em>' + this.innerHTML + '</em>')); }); But what I am having trouble figuring out is how to change all the <i> tags but retain each ones individual attributes. So if I have <i style="background-color: #333;" alt="Example" title="Example">Example Text</i> I would like it to change to <em style="background-color: #333;" alt="Example" title="Example">Example Text</em> Thanks for any help!

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• Building a custom iterator.

  - by Isai

  I am making this class which is a custom Map based off a hash map. I have an add method where if you add an object the object will be the key, and its value will be 1 if the object is not currently in the list. However if you add object that is currently in the list its value will be bumped up by 1. So if I added 10 strings which were all the same, the key would be that string and the value will be 10. I understand in practice when I iterate through the map, there is actually only one object to iterate, however, I am trying to create a inner class that will define an iterator that will iterate the same object however many times its value is. I can do this by simply using for loops to construct an appropriate ArrayList and just create an iterator for that, but that is too inefficient. Is there an easy or more efficient way of doing this?

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