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• Large number array compression

  - by gatapia

  Hi All, I've got a javascript application that sends a large amount of numerical data down the wire. This data is then stored in a database. I am having size issues (too much bandwidth, database getting too big). I am now ready to sacrifice some performance for compression. I was thinking of implementing a base 62 number.toString(62) and parseInt(compressed, 62). This would certainly reduce the size of the data but before I go ahead and do this I thought I would put it to the folks here as I know there must be some outside the box solution I have not considered. The basic specs are: - Compress large number arrays into strings for JSONP transfer (So I think UTF is out) - Be relatively fast, look I'm not expecting same performance as I have now but I also don't want gzip compression either. Any ideas would be greatly appreciated. Thanks Guido Tapia

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• PHP encoding with DOMDocument

  - by Olivier Lalonde

  <tag> ????? ? </tag> When I try to get the content of the following code using DOMDocument functions, it returns something like: ÐÐ»ÐµÐºÑ Ðœ I've tried setting DOMDocument encoding to different values (UTF-8, ISO-8859-1), using mb_convert_encoding, iconv and utf8_encode but without success. How can I get "????? ?" instead of "ÐÐ»ÐµÐºÑ Ðœ" ? EDIT: The input is coming from a page loaded with curl. When I output the page content to my browser, the characters are displayed correctly (so I doubt the input is the problem).

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• How to read FoxPro Memo with PHP?

  - by sHiRoKKo

  I have to convert .DBF and .FPT files from Visual FoxPro to MySQL. Right now my script works for .DBF files, it opens and reads them with dbase_open() and dbase_get_record_with_names() and then executes the MySQL INSERT commands. However, some fields of these .DBF files are of type MEMO and therefore stored in a separate files ending in .FPT. How do I read this file? I have found the specifications of this filetype in MSDN, but I don't know how I can read this file byte-wise with PHP (also, I would really prefer a simplier solution). Any ideas?

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• CurvyCorners in Wordpress Theme only rounds some corners in IE - what am I doing wrong?

  - by user346602

  Hi, I'm implementing the CurvyCorners script on a blog I'm developing. The script works in IE on some parts of the blog, but not others. I've used the following code to add it to the functions.php file (as suggested by someone smarter than me): function load_curvy_corners() { wp_enqueue_script('curvycorners', get_bloginfo('stylesheet_directory') .'/scripts /curvycorners.src.js','','',true); } add_action('init', 'load_curvy_corners'); Here is the site I'm working on: http://www.bellissimafashions.com/blog/ The container and logo area appear rounded in IE, but the navigation area is still square and seems to take awhile to load now. I don't know if this has something to do with the fact the theme I'm using (Pure II by beathemes) has placed the left side in the footer.php?

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• PowerBuilder Indeterminate Progress Bar

  - by Adam Hawkes

  I have a somewhat-long-running stored procedure being called from a PB application. I want the UI to show an indicator that it is processing, but I don't know the exact progress. That is, I can't say whether it is 10% or 90% done. All I know is when it is done. To give the user something to look at I'd like to put a "Inderterminate" (horizontal) progress bar on the window somewhere. I've looked at the documentation for the built-in HProgressBar control and don't see how to force this behavior. Short of writing my own control or importing another one, is there a way to accomplish this?

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• using WrapCompressedRTFStream in C#

  - by Code Smack

  Hello, I am rewording this question: Csharp C# visual studio 2008 How do I use the WrapCompressedRTFStream when using DLLImport with mapi32.dll? Sample of code to import the WrapCompressedRTFStream method. (I found this, I did not figure this part out) [DllImport("Mapi32.dll", PreserveSig = true)] private static extern void WrapCompressedRTFStream( [MarshalAs(UnmanagedType.Interface)] UCOMIStream lpCompressedRTFStream, uint ulflags, [MarshalAs(UnmanagedType.Interface)] out UCOMIStream lpUncompressedRTFStream ); public const uint MAPI_MODIFY = 0x00000001; public const uint STORE_UNCOMPRESSED_RTF = 0x00008000; How do I use this in my c# application when my compressedRichText is stored in a string.

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• .delegate equivalent of an existing .hover method in jQuery 1.4.2

  - by kim3er

  I have an event handler bound to the hover event using the .hover method, which is below: $(".nav li").hover(function () { $(this).addClass("hover"); }, function () { $(this).removeClass("hover"); }); It is important to note, that I require both functions within the handler to ensure synchronisation. Is it possible to rewrite the function using .delegate, as the following does not work? $(".nav").delegate("li", "hover", function () { $(this).addClass("hover"); }, function () { $(this).removeClass("hover"); }); Rich

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• Amazon S3 Change file download name

  - by Daveo

  I have files stored on S3 with a GUID as the key name. I am using a pre signed URL to download as per S3 REST API I store the original file name in my own Database. When a user clicks to download a file from my web application I want to return their original file name, but currently all they get is a GUID. How can I achieve this? My web app is in salesforce so I do not have much control to do response.redirects all download the file to the web server then rename it due to governor limitations. Is there some HTML redirect, meta refresh, Javascript I can use? Is there some way to change the download file name for S3 (the only thing I can think of is coping the object to a new name, downloading it, then deleting it). I want to avoid creating a bucket per user as we will have a lot of users and still no guarantee each file with in each bucket will have a unique name Any other solutions?

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• What is the pro and cons using javascript in our form ?

  - by justjoe

  I got this code in my submit form Then use some js functions in the head; function frmSubmitSameWindows() { form.target = ''; form.submit(); } function frmSubmitNewWindows() { form.target = '_blank'; form.submit(); } What is the pro and cons when we use javascript event function such as frmSubmitSameWin() and frmSubmitNewWin() in our form ? as far as i concern, this is the best solution when we need a way to submit things. Is there other preference ? the better way then the way i got now ?

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• Python - do big doc strings waste memory?

  - by orokusaki

  I understand that in Python a string is simply an expression and a string by itself would be garbage collected immediately upon return of control to a code's caller, but... Large class/method doc strings in your code: do they waste memory by building the string objects up? Module level doc strings: are they stored infinitely by the interpreter? Does this even matter? My only concern came from the idea that if I'm using a large framework like Django, or multiple large open source libraries, they tend to be very well documented with potentially multiple megabytes of text. In these cases are the doc strings loaded into memory for code that's used along the way, and then kept there, or is it collected immediately like normal strings?

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• Racket: change dotted pair to list

  - by user2963128

  I have a program that recursively calls a hashtable and prints out data from it. Unfortunately my hashtable seems to be saving data as dotted pairs so when I call the hashtable I get an error saying that there is no data for it because its tryign to search the hashtable for a dotted pair instead of a list. Is there an easy way to make the dotted pair into a regular list? IE im getting '("was" . "beginning") instead of '("was" "beginning") Is there a way to change this without re-writing how my hashtable store stuff? im using the let function to set a variable to this and then calling another function based on this variable (let ((data ( list-ref(hash-ref Ngram-table key) (random (length (hash-ref Ngram-table key)))))) is there a way to make the value stored in data just a list like this '("var1" "var2") instead of a dotted pair? edit: im getting dotted pairs because im using let to set data to the part of the hashtable's key and one of the elements in that hash.

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• DefaultSchedulerService in ASP.NET application

  - by Samir P

  Hi, My project has a requirement to implement look-ahead caching i.e. triggering another request on invokation of a specific request. The following details in short the implementation - HttpModule parses the SOAPRequest and matches entry in a configuration file for look-ahead candidate. If the request matches, it prepares the Parameters dictionary and starts appropriate workflow. Single workflow runtime is used across all requests is ensured through initializing the runtime instance at Application_Start event and stored in Application Dictionary. Using persistence service and DefaultScheduler service. We can't implement windows service model, as current requirement mandates passing the SOAPRequest parameters as arguments. ManualSchedulerService is not in contention due to synchronous nature of it's actual behaviour. Still the performance is pretty bad and product team is not happy. Can anybody suggest me better solution? Thanks, Samir

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• Drupal FAPI: Add form elements on nodeform after validation

  - by ManuelBS

  Hi, I use Drupal 6.x. In my own module I alter each node form an add my own validation handler to it using $form['#validate'][] = 'my_own_validation_function'; Then I have the function function my_own_validation_function($form, &$form_state) { //if validation fails, i would like to rebuild the form to add additional form elements in hook_form_alter $form_state['rebuild'] = True; } My problem ist, that the validation functions does not respect my 'rebuild' = True becaus the form is never processed by hook_form_alter after validation. But I need hook_form_alter to add my additional form element. Is there a solution for my problem? Or are form_state changes in an own validation handler not respected even if I set &$form_state as a "pointer"? Thanks and cheers.

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• Best Database Change Control Methodologies

  - by SnapJag

  As a database architect, developer, and consultant, there are many questions that can be answered. One, though I was asked recently and still can't answer good, is... "What is one of, or some of, the best methods or techniques to keep database changes documented, organized, and yet able to roll out effectively either in a single-developer or multi-developer environment." This may involve stored procedures and other object scripts, but especially schemas - from documentation, to the new physical update scripts, to rollout, and then full-circle. There are applications to make this happen, but require schema hooks and overhead. I would rather like to know about techniques used without a lot of extra third-party involvement.

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• Compiling python modules whith DEBUG defined on MSVC

  - by DaedalusFall

  Python rather stupidly has a pragma directive in its include files that forces a link against python26_d.lib when the DEBUG preprocessor variable is defined. This is a problem because the python installer doesn't come with python26_d.lib! So I can't build applications in msvc in debug mode. If i temporarily #undef DEBUG for just one file I get many complaints about inconsistent DLL linkage. If I change the pragma in pythons include file I get undefined references to various debug functions. I have tried compiling my own version of python but its somehow different enough from the python that gets distributed that I can't use my modules with apps built with the vanilla version of python Can anyone give me any advice on how to get round this? Thanks

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• Django development targeting both the Google App Engine and Py2Exe

  - by bp

  I must hand in a mostly static database-driven website on a topic on my choice by the end of June as both a hosted version live on the internet and a stored version on a cd-rom. "Ease of launching" is one of the bulletpoints for evaluation of the project. (Yeah, I know.) I and my project mate are currently comparing various frameworks and technologies to help us deliver and deploy this as quickly and painlessly as possible. Theoretically, by using Django, I can target the Google App Engine (which I guess would provide us reliable, free-as-in-beer hosting) or the Py2Exe system + SQLLite (which I guess would make starting the website server from disk as hard as doubleclicking on an .exe file). Sounds better than what PHP and MySQL can ever hope to bring me, right? However, we need to target both Py2Exe and the GAE. How much of the differencies between these wildly different configurations are hidden by Django? What will instead require special attention and possibly specialized code on my end?

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• ASP.NET Dynamic Radiobutton - How to add validation

  - by Velnias

  At the moment I have something like this ` <%# Eval("orderBy").ToString()%) <%# Eval("question").ToString()% " type="radio" id="True" value="True" class="styled" / " type="radio" id="False" value="False" class="styled" / ` And in the code behind I caputure the values as Request.Form("question1") for example and this all works fine Now I am wondering how to add validation to this, I think i have to change to asp Radio Button control but i cant see how i could add my dynamic radiobutton names in there with my id from stored procedure. Also I would like to add the validation to the top of the screen as a validation summary Any Ideas ?

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• Specify an inline callback function as an argument.

  - by Matthias Vance

  LS, Let me first explain what I'm trying to achieve using some pseudo-code (JavaScript). // Declare our function that takes a callback as as an argument, and calls the callback with true. B(func) { func(true); } // Call the function B(function(bool success) { /* code that uses success */ }); I hope this says it all. If not, please comment on my question so I can write a little more to clarify my issue. What I want is to have code like this in C++. I have tried to use lambda functions, but I was unable to specify a parameter type for those. Kind regards, Matthias Vance

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• Retrieving Data from SQL Server within Excel 2007

  - by Russell Giddings

  I have the following requirements I have relational content stored in a SQL Server 2005 database. I want to retrieve this data, transform it and display it in an Excel 2007 document. I would like this to be pulled from within Excel at the click of a button. As far as I can tell I have the following options... Create a view in Sql Server and reference it within a pivot table using a data connection. Create an Excel workbook using VSTO and create a web service which the workbook pulls data from Create a web service and use JScript with XMLHTTP request objects I currently only have a little experience of any of these methods (I'm very familiar with SQL Server although not pivot tables, I've created many web services although I've never used VSTO and I've used javascript extensively, but never in the context of Excel manipulation). Would you recommend one of the above approaches or is there a better way to do this?

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• Graphviz DOT arange Nodes in circles

  - by Ivo Wetzel

  OK here's my problem, I'm generating a graph of a python module, including all the files with their functions/methods/classes. I want to arrange it so, that nodes gather in circles around their parent nodes, currently everything is on one gargantuan horizontal row, which makes the thing 50k pixels wide and also let's the svg converter fail(only renders about the half of the graph). I went trough the docs(http://www.graphviz.org/doc/info/attrs.html) but couldn't find anything that seems to do the trick. So the question is: Is there a simple way to do this or do I have to layout the whole thing by myself? :/

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• NullPointerException with CallableStatement.getResultSet()

  - by Raj

  Hello, I have a stored proc in SQL Server 2005, which looks like the following (simplified) CREATE PROCEDURE FOO @PARAMS AS BEGIN -- STEP 1: POPULATE tmp_table DECLARE @tmp_table TABLE (...) INSERT INTO @tmp_table SELECT * FROM BAR -- STEP 2: USE @tmp_table FOR FINAL SELECT SELECT abc, pqr FROM BAZ JOIN @tmp_table ON some_criteria END When I run this proc from SQL Server Management Studio, things work fine. However, when I call the same proc from a Java program, using something like: cs = connection.prepareCall("exec proc ?,"); cs.setParam(...); rs = cs.getResultSet(); // BOOM - Null! while(rs.next()) {...} // NPE! I fail to understand why the first result set returned is NULL. Can someone explain this to me? As a workaround, if I check cs.getMoreResults() and if true, try another getResultSet() - THIS time it returns the proper result set. Any pointers please? (I'm using JTDS drivers, if it matters) Thanks, Raj

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• Call a void* as a function without declaring a function pointer

  - by ToxIk

  I've searched but couldn't find any results (my terminology may be off) so forgive me if this has been asked before. I was wondering if there is an easy way to call a void* as a function in C without first declaring a function pointer and then assigning the function pointer the address; ie. assuming the function to be called is type void(void) void *ptr; ptr = <some address>; ((void*())ptr)(); /* call ptr as function here */ with the above code, I get error C2066: cast to function type is illegal in VC2008 If this is possible, how would the syntax differ for functions with return types and multiple parameters?

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• Why is OnDragEnter not called?

  - by Harvey

  I have added the COleDropTarget variable to my view class, Registered it in the OnCreate(), which is being called at startup. I added the OnDragEnter and OnDrop virtual functions (not the others yet, as OnDragLeave). But they are not called when I drag (or drop) a piece of text over them. I just happened to think about the fact that I had already implemented the dropfiles function to the same window. Is this preventing the text drag? What else do I need? TIA, Harvey

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• Selective PHP autoload

  - by Extrakun

  I am writing a add-on module which is integrated with an existing PHP application; Because I am using a MVC pattern, and which may requires lot of inclusion of classes (which might not be used at all depending on the action of the user), I decide to use autoloading of classes. However, I have to ensure that the autoload function does not interferes with the normal operations of the existing applications. Does autoload only kicks in if a class name is not defined? Say I have to write another module which uses its own autoload functions (say, I have an autoload for a module, since they each reside in their own folder), how do I differentiate which module is it for? For #2, I thought of 2 options. Either prefix the class name with the module name (Such as 'MyNewModule_View_Default' and 'AnotherModule_View_Default'), or use file_exists to check the include file exists. Other suggestions are welcomed too!

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• Best Practices Question on using an ObjectDataSource in asp.net

  - by Lill Lansey

  Asp.net, c#, vs2008, sqlserver 2005. I am filling a DataTable in the data access layer with data from a sqlserver stored procedure. Best Practices Question – Is it ok to pass the DataTable to the business layer and use the DataTable from the business layer for an ObjectDataSource in the presentation layer, or Should I transfer the data in the data table into a List and use the List for an ObjectDataSource in the presentation layer? If I should transfer the data to a List, should that be done in the data access layer or the business layer? Does it make a difference if the data needs to be edited before being displayed?

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