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• Is there a decent vector / spline library for php?

  - by Brendan Heywood

  Does anyone know of the best way to render clean vectors into a php image and then serve it as a jpeg/png? Specifically I want to draw lines, polygons and splines which are anti-aliased and then serve them up as jpegs. Preferably also with an alpha option when rendering. What would be spectacular is a php library with a similar API to Raphael (without the animation) - not only because Raphael has a great API but also because I'm already using it on my website for the dynamic bits but also need to bake jpeg's in parallel for static consumption.

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• How to redefine symbol names in objects with RVCT?

  - by Batuu

  I currently develop a small OS for an embedded platform based on a ARM Cortex-M3 microcontroller. The OS provides an API for customer application development. The OS kernel and the API is compiled into a static lib by the ARMCC compiler and customer can link his application against it. The lib and the containing object files offer the complete list of symbols used in kernel. To "protect" the kernel and its inner states from extern hooking into obvious variables and functions, I would like to do some easy obfuscation by renaming the symbols randomly. The GNU binutils seems to do this by calling objcopy with the --redefine-sym flag. The GNU binutils cannot read the ARMCC / RVCT objects. Is there any solution to do this kind of obfuscation with RVCT?

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• Insertion of rows without changing formulas on anohter sheets

  - by julie

  I have two separate spreadsheets which feed each other (one person completes the main one so all others autofill). I have set up formulas so it autofills but when I insert new lines into the main spreadsheet the other spreadsheet takes information from the wrong line, even though the new data was put in the place of the old data. (The new inserted lines were put in where the data was before). can anyone help me to "protect" the formulas from movement? I will appreciate any help.

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• What's the best practice to "look up" Java Enums?

  - by Marcus

  We have a REST API where clients can supply parameters representing values defined on the server in Java Enums. So we can provide a descriptive error, we add this lookup method to each Enum. Seems like we're just copying code (bad). Is there a better practice? public enum MyEnum { A, B, C, D; public static MyEnum lookup(String id) { try { return MyEnum.valueOf(id); } catch (IllegalArgumentException e) { throw new RuntimeException("Invalid value for my enum blah blah: " + id); } } } Update: The default error message provided by valueOf(..) would be No enum const class a.b.c.MyEnum.BadValue. I would like to provide a more descriptive error from the API.

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• What's a good (preferably standard) was to restore iptables config in ubuntu 9.10

  - by nixomose

  I never quite got why this isn't some built in setup, although maybe it is and stuff changes so quickly I just missed it. I can use iptables-save to generate something I can feed into iptables-restore, but what I was wondering is if there was a standard place to put it so that it gets picked up on boot without me having to add something to rc.local or the ever changing init/event.d scripts.

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• Multi-Core Programming. Boost's MPI, OpenMP, TBB, or something else?

  - by unknownthreat

  Hello, I am totally a novice in Multi-Core Programming, but I do know how to program C++. Now, I am looking around for Multi-Core Programming library. I just want to give it a try, just for fun, and right now, I found 3 APIs, but I am not sure which one should I stick with. Right now, I see Boost's MPI, OpenMP and TBB. For anyone who have experienced with any of these 3 API (or any other API), could you please tell me the difference between these? Are there any factor to consider, like AMD or Intel architecture?

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• JAX-RS implementation of link/element expansion?

  - by Jimmy

  While reading documentation of Google Data API and Atlassian REST API, I found interesting functionality - link (or title, element expansion) - http://bit.ly/i3rKMw. I would like to implement this functionality in my Java project of web service server for our IS, but I can't find any proper solution or advices for implementation. My project is quite big with many services so I need some robust and most automated solution. I was thinking about how to implement it like an extension for RESTEasy and JAXB, but it seems to be very complicated. Do you know some opensource projects which implements this functionality or any advices which could help me?

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• I want to request JSON inside of a WordPress page.

  - by gnucom

  Hello Everyone, For the last few hours I've been trying to set up this http://code.google.com/apis/books/docs/dynamic-links.html on a WordPress blog. Google's API sends back a JSON response (which is supposed to be "put" into _GBSBookInfo variable). However, that variable never is assigned so my javascript callback function explodes saying the variable doesn't exist. So far, all of my javascript is in the WordPress header. I tried this outside of WordPress and it works fine. This is the static page: <script src="http://books.google.com/books?bibkeys=0307346609&jscmd=viewapi&callback=response_handler"> This is the handler: function response_handler(data) { var bookInfo = _GBSBookInfo["0307346609"]; // the var that doesn't exist document.getElementById("test123").innerHTML = bookInfo.thumbnail_url; } Thanks for any help in advance, WordPress has been extremely frustrating by limiting so much! If I'm doing anything stupid please say so, I'm a new javascript programmer. EDIT: I've used firebug so far to identify the problem to be: the _GBSBookInfo variable never gets "created" or "exists". I'm not sure how javascript works at this level. Hopefully this helps. ERRORS: Error: _GBSBookInfo is not defined Line: 79

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• What is the relationship between IRimTable and PersistenceStore?

  - by Martin

  The BlackBerry Desktop API has the interface IRimTable which apparently maps an "application database" on a BlackBerry device to a virtual structure (i.e, IRimTable has IRimRecords, each of which has IRimField) that developer can browse the handheld device data when it is connected to a desktop computer. Meanwhile, applications in the handheld device can store its data in PersistenceStore databases. The point where I'm stuck is the PersistenceStore API doesn't define any Table or Records or Fields. Does anybody knows what is the relationship between these two classes? And how does the mapping work (if at all) ?

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• Learning Win32 to develop GUI Applications

  - by Gareth87

  if you're a c++ programmer, would you go for the Win32 API or .NET to develop GUI applications?

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• Is there a way to find out if an iPhone / iPad app is installed already?

  - by eerok512

  I'm writing a freeware version of an app and would like to check if a user already has the unfree version installed, and print a message whose contents are conditional on the results of the installation check... anybody know if this is possible? the closest I've come to a solution is to make use of the CFPreferencesSetValue API with a kCFPreferencesAnyUser / kCFPreferencesCurrentHost pairing... I haven't tried it, but based on the documentation it sounds possible. however in my current specific situation this API will not be able to solve my problem, because I want to check for the presence of an app I wrote 4 months ago that didn't write any data to the CFPrefs registry... because back then I didn't know of it nor did I foresee this situation arising... the only way CFPrefs can assist me is in future apps now that I know it exists :) so I'm wondering if there are other ways to do it? any help will be appreciated :)

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• SUDS rendering a duplicate node and wrapping everything in it

  - by PylonsN00b

  Here is my code: #Make the SOAP connection url = "https://api.channeladvisor.com/ChannelAdvisorAPI/v1/InventoryService.asmx?WSDL" headers = {'Content-Type': 'text/xml; charset=utf-8'} ca_client_inventory = Client(url, location="https://api.channeladvisor.com/ChannelAdvisorAPI/v1/InventoryService.asmx", headers=headers) #Make the SOAP headers login = ca_client_inventory.factory.create('APICredentials') login.DeveloperKey = 'REMOVED' login.Password = 'REMOVED' #Attach the headers ca_client_inventory.set_options(soapheaders=login) synch_inventory_item_list = ca_client_inventory.factory.create('SynchInventoryItemList') synch_inventory_item_list.accountID = "REMOVED" array_of_inventory_item_submit = ca_client_inventory.factory.create('ArrayOfInventoryItemSubmit') for product in products: inventory_item_submit = ca_client_inventory.factory.create('InventoryItemSubmit') inventory_item_list = get_item_list(product) inventory_item_submit = [inventory_item_list] array_of_inventory_item_submit.InventoryItemSubmit.append(inventory_item_submit) synch_inventory_item_list.itemList = array_of_inventory_item_submit #Call that service baby! ca_client_inventory.service.SynchInventoryItemList(synch_inventory_item_list) Here is what it outputs: <?xml version="1.0" encoding="UTF-8"?> <SOAP-ENV:Envelope xmlns:ns0="http://api.channeladvisor.com/webservices/" xmlns:ns1="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tns="http://api.channeladvisor.com/webservices/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Header> <tns:APICredentials> <tns:DeveloperKey>REMOVED</tns:DeveloperKey> <tns:Password>REMOVED</tns:Password> </tns:APICredentials> </SOAP-ENV:Header> <ns1:Body> <ns0:SynchInventoryItemList> <ns0:accountID> <ns0:accountID>REMOVED</ns0:accountID> <ns0:itemList> <ns0:InventoryItemSubmit> <ns0:Sku>1872</ns0:Sku> <ns0:Title>The Big Book Of Crazy Quilt Stitches</ns0:Title> <ns0:Subtitle></ns0:Subtitle> <ns0:Description>Embellish the seams and patches of crazy quilt projects with over 75 embroidery stitches and floral motifs. You&apos;ll use this handy reference book again and again to dress up wall hangings, pillows, sachets, clothing, and other nostalgic creations.</ns0:Description> <ns0:Weight>4</ns0:Weight> <ns0:FlagStyle/> <ns0:IsBlocked xsi:nil="true"/> <ns0:ISBN></ns0:ISBN> <ns0:UPC>028906018721</ns0:UPC> <ns0:EAN></ns0:EAN> <ns0:QuantityInfo> <ns0:UpdateType>UnShipped</ns0:UpdateType> <ns0:Total>0</ns0:Total> </ns0:QuantityInfo> <ns0:PriceInfo> <ns0:Cost>0.575</ns0:Cost> <ns0:RetailPrice xsi:nil="true"/> <ns0:StartingPrice xsi:nil="true"/> <ns0:ReservePrice xsi:nil="true"/> <ns0:TakeItPrice>6.95</ns0:TakeItPrice> <ns0:SecondChanceOfferPrice xsi:nil="true"/> <ns0:StorePrice>6.95</ns0:StorePrice> </ns0:PriceInfo> <ns0:ClassificationInfo> <ns0:Name>Books</ns0:Name> <ns0:AttributeList> <ns0:ClassificationAttributeInfo> <ns0:Name>Designer/Author</ns0:Name> <ns0:Value>Patricia Eaton</ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Trim Size</ns0:Name> <ns0:Value></ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Binding</ns0:Name> <ns0:Value>Leaflet</ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Release Date</ns0:Name> <ns0:Value>11/1/1999 0:00:00</ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Skill Level</ns0:Name> <ns0:Value></ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Pages</ns0:Name> <ns0:Value>20</ns0:Value> </ns0:ClassificationAttributeInfo> <ns0:ClassificationAttributeInfo> <ns0:Name>Projects</ns0:Name> <ns0:Value></ns0:Value> </ns0:ClassificationAttributeInfo> </ns0:AttributeList> </ns0:ClassificationInfo> <ns0:ImageList> <ns0:ImageInfoSubmit> <ns0:PlacementName>ITEMIMAGEURL1</ns0:PlacementName> <ns0:FilenameOrUrl>1872.jpg</ns0:FilenameOrUrl> </ns0:ImageInfoSubmit> </ns0:ImageList> </ns0:InventoryItemSubmit> </ns0:itemList> </ns0:accountID> </ns0:SynchInventoryItemList> </ns1:Body> </SOAP-ENV:Envelope> See how it creates the accountID node twice and wraps the whole thing in it? WHY? How do I make it stop that?!

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• How to solve JavaScript origin problem with an application and static file server

  - by recipriversexclusion

  In a system that I'm building I want to serve Static files (static HTML pages and a lot of images), and Dynamic XML generated by my servlet. The dynamic XML is generated from my database (through Hibernate) and I use Restlets to serve it in response to API calls. I want to create a static file server (e.g. Apache) so that this does not interfere with the dynamic server traffic. Currently both servers need to run on the same machine. I've never done something like this before and this is where I'm stuck: The static HTML pages contain JavaScript that makes API calls to the dynamic server. However, since the two servers operate on different ports, I get stuck with the same origin problem. How can this be solved? As a bonus, if you can point me to any resources that explain how to create such a static/dynamic content serving system, I'll be happy. Thanks!

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• How to use soap in javascript

  - by fresher

  Hi guys, I am trying to use SOAP in javascript but i am not getting how to start it. Here is the code sample i write in PHP and it works fine. I want to write this code in Javascript. In following code i call one api from a www.example.com and for calling certain api we require to pass some parameters. $soapClient = new SoapClient("https://www.example.com/abc.aspx?WSDL"); // Prepare SoapHeader parameters $param_sh = array( ); $header = new SoapHeader('http://somesite.com/action/', 'user_credential', $param_sh); // Prepare Soap Client $soapClient->__setSoapHeaders(array($header)); // Setup the RemoteFunction parameters $param = array( "pwd" => "password", "id" => "name" ); // Call RemoteFunction () $contents = $soapClient->__call("name_of_api",array($param)); print_r($contents); Thanx in advance!!!

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• Formatting Log File Messages

  - by Kumar

  This is about formatting the messages for logging so as to subsequently be able to parse them relatively easily esp. given the extensive logging required in financial apps Typically a line in the log file is of the form TimeStamp: Module/Function: where the log string contains whatever you choose, typically you'd have some key=value paradigm or even johnny5 key {value} etc. A regex search through the log file might easily pick up Module/Function but enforcing and maintaing consistency on the log string itself for every developer on the team is often a pain The logging api's are typically ILog.LogInfo(string text, params object[] args) ILog.LogWarning(string text, params object[] args) ILog.LogError(string text, params object[] args) Looking for opinions on better logging api's to format the log messages where a regex search can be performed for Module/Function = Basket/AddItem TokenA = Value1 and TokenB = Value2 etc. without going over every developer's every logging call

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• How to add a php page to Wordpress

  - by rutherford

  I want to create a custom page for my Wordpress blog that will execute my php code in it, whilst remaining a part of the overall site css/theme/design. The php code will make use of 3rd party APIs (so I need to include other php files) How do I accomplish this? N.B. I do not have a specific need to interact with the Wordpress API - apart from including certain other php libs I need I have no other dependencies in the PHP code I want to include in a WP page. So obviously any solution that didn't require learning the WP api would be the best one.

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• Python and urllib2: how to make a GET request with parameters

  - by Infinity

  I'm building an "API API", it basically a wrapper for a in house REST web service that the web app will be making a lot of requests to. Some of the web service calls need to be GET rather than post, but passing parameters. Is there a "best practice" way to encode a dictionary into a query string? e.g.: ?foo=bar&bla=blah I'm looking at the urllib2 docs, and it looks like it decides by itself wether to use POST or GET based on if you pass params or not, but maybe someone knows how to make it transform the params dictionary into a GET request. Maybe there's a package for something like this out there? It would be great if it supported keep-alive, as the web server will be constantly requesting things from the REST service. Thanks!

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• Manual metrics and treemap components

  - by Greg

  I have a problem with SonarQube. I use web API to inject manual metrics values for a project like this : curl -u nom:password -d "resource=<projet>&metric=<key de la metric>&val=<valeur>" http://localhost:8081/sonar/api/manual_measures One of these metrics is a percentage and this metric is declared as a Percentage value in Sonar in Settings = Manual Metrics window. I have a project with components and each project and components have this metric value. When I want to show this metric as a color metric in a "treemap of components" of widget, all the treemap is grey (as if values are not defined). But if I put mouse on the name of component in treemap, I saw the color metric value as a percentage value like this : myComponent - ncloc: 800 - myMetric: 84,0% Moreover, scale metric color does not appear in treemap title (after Size ncloc Color <my metric>).

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• Advice, pls: web app stack suitable for shared hosting ...

  - by Bill Bell

  Considerations: greatly prefer Python want to build as little as possible myself (I suppose this is obvious) prefer built-in or availability of add-on wiki and conferencing (nothing fancy) need three levels of authentication: single 'super user', one administration user for each of several groups, individual 'ordinary' users authenticate to one of these groups cron substitute à la Django or Zope would be nice, for keeping an RSS feed up-to-date, principally hosting I use does not provide mod_wsgi, mod_python, etc. Your thoughts, please.

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• help understanding the concept of javascript callbacks with node.js, especially in loops

  - by Mr JSON

  hi I am just starting with node.js. I have done a little ajax stuff but nothing too complicated so callbacks are still kind of over my head. I looked at async but all I need is to run a few functions sequentially. I basically have something that pulls some json from an api, creates a new one and then does something with that. obviously i can't just run it because it runs everything at once and has an empty json. mostly they have to go sequentially but if while pulling a json from the api it can pull other json while it's waiting that is fine. I just got confused when putting the callback in a loop. what do I do with the index? i think i have seen some places that use callback inside the loop as kind of a recusive function and don't use for loops at all. simple examples would help alot thanks!

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• Intent provided by Cursor is not fired correctly (LiveFolders)

  - by Felix

  In my desperation with trying to get LiveFolders working, I have tried the following in my LiveFolder ContentProvider: public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { MatrixCursor mc = new MatrixCursor(new String[] { LiveFolders._ID, LiveFolders.NAME, LiveFolders.INTENT } ); Intent i = null; for (int j=0; j < 5; j++) { i = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com/")); mc.addRow(new Object[] { j, "hello", i} ); } return mc; } Which, in all normalness, should launch the Browser and display the Google homepage when clicking on an item in the LiveFolder. But it doesn't. It gives a Application is not installed on your phone error. No, I'm not defining a base intent for my LiveFolder. logcat says: I/ActivityManager( 74): Starting activity: Intent { act=android.intent.action.VIEW dat=Intent { act=android.intent.action.VIEW dat=http://www.google.com/ } flg=0x10000000 } It seems it embeds the Intent I give it in the data section of the actually fired Intent. Why is it doing this? I'm really starting to believe it's a platform bug.

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• An exception to avoid copy and paste code?

  - by Jian Lin

  There are many files in our project that would call a Facebook api. And the call is complicated, spanning usually 8 lines or more, just for the argument values. In this case, we can make it into a function, and place that function in a common_library.php, but doing so would just change the name of the function call from the Facebook API function to our name, and we still need to repeat the 8 lines of arguments. Each time, the call is very similar, but with slight variations to the argument values. In that case, would copy and paste be needed no matter what we do?

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• How to set RequestBody for Http Delete method.

  - by Tushar Tarkas

  I am writing a client code for a server which Delete API. The API specification requires data to be sent. I am using HttpComponents v3.1 library for writing client code. Using the HtpDelete class I could not find a way to add request data to it. Is there a way to do so ? Below is the code snippet. HttpDelete deleteReq = new HttpDelete(uriBuilder.toString()); List<NameValuePair> postParams = new ArrayList<NameValuePair>(); postParams.add(new BasicNameValuePair(RestConstants.POST_DATA_PARAM_NAME, postData.toString())); try { UrlEncodedFormEntity entity = new UrlEncodedFormEntity(postParams); entity.setContentEncoding(HTTP.UTF_8); //deleteReq.setEntity(entity); // There is no method setEntity() deleteReq.setHeader(RestConstants.CONTENT_TYPE_HEADER, RestConstants.CONTENT_TYPE_HEADER_VAL); } catch (UnsupportedEncodingException e) { logger.error("UnsupportedEncodingException: " + e); } Thanks in advance.

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• PayPal Fetch Token

  - by arik-so

  Hello, I am using the PayPal API for Express Checkout Integration. Upon setting the Express Checkout, one gets to a page with a token, like this page: https://api-3t.sandbox.paypal.com/nvp The token looks more or less like that ACK=Failure&L_ERRORCODE0=81002&L_SHORTMESSAGE0=Unspecified%20Method&L_LONGMESSAGE0=Method%20Specified%20is%20not%20Supported&L_SEVERITYCODE0=Error My Question is: how do I fetch this toke by means of PHP? I do not want to be redirected to that page beforehand. How do I just fetch the contents of a remote file after passing certain post parameters? Thanks in advance!

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• How to specify a web service URL within a Drupal module's simpletest?

  - by Matt V.

  I have a Drupal module that talks to a REST API on a separate server for user registration and authentication. The module runs on multiple sites which point to different servers which may run different versions of the REST API. Ideally, I'd like to be able to run each site against its own end-point, in case changes on the back end break things. Is there a way to dynamically specify a different end-point URL when running a test? Or do I have to edit the .test file for each site? I'm trying to keep the module's files as generic and flexible as possible. I guess I could have the .test file look for a .inc file that could override the URL, if needed for a particular site. Is there a better way though?

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