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  • Strategies for porting application from Win32 API to GTK+

    - by Vitor Braga
    I have a legacy application written in C, using the raw Win32 API. The general level of abstraction is low and raw dependency on <windows.h> is common. I would like to port this application to GTK+. There are any kind of guidelines or best practices on how to do this? I've previously ported a MFC application to Qt, but the application was very abstracted - it draw it's own set of widgets, for example - and initial porting was very straightforward. I've been thinking at first using Wine to build a native Linux executable and then trying to slowly refactor it into a GTK+ app. Does some one have best practices or previous experiences to share about this?

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  • A good data model for finding a user's favorite stories

    - by wings
    Original Design Here's how I originally had my Models set up: class UserData(db.Model): user = db.UserProperty() favorites = db.ListProperty(db.Key) # list of story keys # ... class Story(db.Model): title = db.StringProperty() # ... On every page that displayed a story I would query UserData for the current user: user_data = UserData.all().filter('user =' users.get_current_user()).get() story_is_favorited = (story in user_data.favorites) New Design After watching this talk: Google I/O 2009 - Scalable, Complex Apps on App Engine, I wondered if I could set things up more efficiently. class FavoriteIndex(db.Model): favorited_by = db.StringListProperty() The Story Model is the same, but I got rid of the UserData Model. Each instance of the new FavoriteIndex Model has a Story instance as a parent. And each FavoriteIndex stores a list of user id's in it's favorited_by property. If I want to find all of the stories that have been favorited by a certain user: index_keys = FavoriteIndex.all(keys_only=True).filter('favorited_by =', users.get_current_user().user_id()) story_keys = [k.parent() for k in index_keys] stories = db.get(story_keys) This approach avoids the serialization/deserialization that's otherwise associated with the ListProperty. Efficiency vs Simplicity I'm not sure how efficient the new design is, especially after a user decides to favorite 300 stories, but here's why I like it: A favorited story is associated with a user, not with her user data On a page where I display a story, it's pretty easy to ask the story if it's been favorited (without calling up a separate entity filled with user data). fav_index = FavoriteIndex.all().ancestor(story).get() fav_of_current_user = users.get_current_user().user_id() in fav_index.favorited_by It's also easy to get a list of all the users who have favorited a story (using the method in #2) Is there an easier way? Please help. How is this kind of thing normally done?

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  • Looking for an alternative to GameSalad

    - by Mr_Nizzle
    I have learned the most I could from GameSaldad in a week but now I'm facing one big problem I didn't see at the beginning: You cannot make API/WebServices call from GameSalad. So I am looking for alternatives on 2D game development, iOS or cross-platform, like GameSalad where you can actually make API calls, or web services call to keep track of the game and so on. Or should I go down to Cocos2D, CHIPMUNK?

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  • Facebook Java API

    - by Filippo
    I'd like to write a program in java (not a servlet, not jsp, not a webapp) which allows me to do simple things, such as connecting to a FB account and retrieve the status or posts on the wall. I know facebook no longer supports official JavaAPI, so I was wondering what are the best (and most simple, being the program very basic) unofficial api out there. If possible, i would also like some example-code. searching through the web, I've read that you need two secret keys to create a facebook application, and I have not a fb account. Is it indispensable to have an account? thank you everyone

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  • Blueprints API for Oracle NoSQL Database

    - by Charles Lamb
    Here's an implementation of the Blueprints API for Oracle NoSQL Database. https://github.com/dwmclary/blueprints-oracle-nosqldb Blueprints is a collection of interfaces, implementations, ouplementations, and test suites for the property graph data model. Blueprints is analogous to the JDBC, but for graph databases. As such, it provides a common set of interfaces to allow developers to plug-and-play their graph database backend. Moreover, software written atop Blueprints works over all Blueprints-enabled graph databases. Within the TinkerPop software stack, Blueprints serves as the foundational technology for: Pipes: A lazy, data flow framework Gremlin: A graph traversal language Frames: An object-to-graph mapper Furnace: A graph algorithms package Rexster: A graph server

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  • Identifying the GeoPoint that trigger an onTap call

    - by Akroy
    I'm developing a Google Maps app on Android. I have a number of GeoPoints that I'm displaying by adding them as OverlayItems to an ItemizedOverlay. This works well for displaying them and bringing up a nice box when I click them, however I'm trying to put info in the box it brings up. Thus, I've extended ItemizedOverlay with my own class, and I'm overriding onTap (final GeoPoint p, final MapView mapView). At first I thought that this would be very simple, as one of the parameters is the GeoPoint, so I would know exactly which GeoPoint was clicked. However, from what I can tell, the GeoPoint argument there is the GeoPoint for where the user actually touched. Given the range the user can touch and still trigger the onTap, that GeoPoint isn't very helpful for knowing precisely which GeoPoint was actually touched. I'm currently checking the parameter GeoPoint against all my existing GeoPoints and seeing which it's closest to. This seems like a super hacky abstraction inversion. Is there a better way to know what was actually tapped?

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  • How to avoid being an API programmer only?

    - by anything
    I have almost six years of experience in java. I have developed many projects which used frameworks like Struts, Spring, Hibernate, JQuery , DWR, Ajax etc. I have used these technologies in almost all the projects I have worked on. Projects were very simple mostly with crud based apps. My everyday tasks involves creating few screens, writing queries, testing etc. After all these years I feel like I have turned into an API programmer who just uses these above mentioned frameworks which is not giving me any satisfaction of being a programmer. Is this normal or is it just me who is feeling like this?

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  • How to check if new version of Chrome is available?

    - by serg
    I am trying to build an extension that would notify a user when new version of Chrome is available. I tried to inspect network traffic when Chrome is checking for an update and it is sending a request to http://74.125.95.113/service/update2?w=3:{long_encoded_string} page that returns XML with information I need: <?xml version="1.0" encoding="UTF-8"?> <gupdate xmlns="http://www.google.com/update2/response" protocol="2.0" server="prod"> <daystart elapsed_seconds="31272"/> <app appid="{8A69D345-D564-463C-AFF1-A69D9E530F96}" status="ok"> <updatecheck status="noupdate"/> <ping status="ok"/> </app> </gupdate> Besides sending {long_encoded_string} as URL parameter it is also sending some encoded cookie. Maybe someone familiar with Chrome build process can shed some light on those encoded strings and how to build them? Maybe there is another easier way (I have a feeling that string encoding is a dead end for me)?

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  • Chrome extension javascript array bug?

    - by Wayne Werner
    Hi, I'm working on a Google Chrome extension. In the popup I have the following code: var bookmarks = []; function appendBMTnode(node){ bookmarks.push([node[0].title, node[0].id]); } function addchildren(results){ for(x = 0; x < results.length; x++){ bookmarks.push([results[x].title, results[x].id]); chrome.bookmarks.getChildren(results[x].id, addchildren); } } function getallbookmarks(){ chrome.bookmarks.get('0', appendBMTnode); chrome.bookmarks.getChildren('0', addchildren); } console.debug(bookmarks.length); console.debug(bookmarks); Now, I would assume that the first command would issue the # of bookmarks I have. Indeed, when I use Chrome's debugger and add bookmarks.length to the watch list, 418 is the value. In the console of the debugger I can write bookmarks.length and it will give me the correct length. I can type for(x = 0; x < bookmarks.length; x++){ console.debug(bookmarks[x]); } and I get string representations of each inner array. However, that original console.debug(bookmarks.length) gives an output of zero. And if I add console.debug(bookmarks[0]); to the popup.html it tells me that the value is undefined. This seems like a bug to me, but my real question is how can I iterate over this list? Thanks

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  • Expérience HTML5 : Drag & Drop de dossiers, Chrome 21 apporte une solution à l'API

    Développez un système d'upload de fichiers et dossiers similaire à l'explorateur Windows Grâce aux nouvelles API apparues avec HTML5 il est d'ores et déjà possible de créer un système d'upload de fichiers et de dossiers reprenant le fonctionnement de l'explorateur Windows ou du Finder d'OS X. Malgré une bonne compatibilité pour la fonction de Drag & Drop, le cas d'un dossier reste problématique. En effet, lorsqu'un utilisateur veut mettre en ligne un dossier en le faisant glisser à l'endroit prévu, il s'attend à ce que le dossier et tout son contenu (sous-dossiers, fichiers) soient mis en ligne. Or jusqu'à présent ...

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  • API to UPDATE Oracle FND User

    - by PRajkumar
    API - fnd_user_pkg.updateuser Example -- Consider a FND User having following Details --     Lets Try to Update its Email Id from [email protected] to [email protected]   -- ------------------------------------------------ -- API to UPDATE Oracle FND User -- ------------------------------------------------ DECLARE     lc_user_name                           VARCHAR2(100)   := 'PRAJ_TEST';     lc_user_password                   VARCHAR2(100)   := 'Oracle123';     ld_user_start_date                   DATE                      := TO_DATE('23-JUN-2012');     ld_user_end_date                    VARCHAR2(100)  := NULL;     ld_password_date                   VARCHAR2(100)  := TO_DATE('23-JUN-2012');     ld_password_lifespan_days  NUMBER               := 90;     ln_person_id                            NUMBER                := 32979;     lc_email_address                     VARCHAR2(100)  := '[email protected]'; BEGIN    fnd_user_pkg.updateuser    (  x_user_name                           => lc_user_name,       x_owner                                   => NULL,       x_unencrypted_password    => lc_user_password,       x_start_date                             => ld_user_start_date,       x_end_date                              => ld_user_end_date,       x_password_date                   => ld_password_date,       x_password_lifespan_days  => ld_password_lifespan_days,       x_employee_id                       => ln_person_id,       x_email_address                    => lc_email_address    );  COMMIT; EXCEPTION     WHEN OTHERS THEN                       ROLLBACK;                       DBMS_OUTPUT.PUT_LINE(SQLERRM); END; / SHOW ERR;       

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  • How Google does disaster recovery

    Will you be ready when disaster strikes? It's an uncomfortable question for many IT administrators, because answering it with confidence usually requires boatloads of money, immense complexity, and...

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  • Is there a way to have a dynamic google map that opens links in _blank?

    - by danieltalsky
    I came up with a good solution for a client showing a google map iFrame using the normal google maps embed. Only problem? They want the links inside the iFrame to open in a new window instead of there on the page. So, I used the static API to come up with a static image of a map and have that link to the google maps site with target="_blank". Great, but they don't get the pretty draggable map. Is there a way to do what I want using the google maps API? I'm reading the API documentation but without actually trying it I'm not sure if it can be done, and would love it if someone with some experience with the API can point me in the right direction or just tell me why it's WAY not worth the effort.

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  • API to CREATE Oracle FND User

    - by PRajkumar
    API - fnd_user_pkg.createuser Example -- -- -------------------------------------- -- API to CREATE FND User -- -------------------------------------- DECLARE    lc_user_name                          VARCHAR2(100)   := 'PRAJ_TEST';    lc_user_password                  VARCHAR2(100)   := 'Oracle123';    ld_user_start_date                  DATE                      := TO_DATE('23-JUN-2012');    ld_user_end_date                   VARCHAR2(100)  := NULL;    ld_password_date                  VARCHAR2(100)  := TO_DATE('23-JUN-2012');    ld_password_lifespan_days  NUMBER              := 90;    ln_person_id                             NUMBER              := 32979;    lc_email_address                     VARCHAR2(100) := '[email protected]'; BEGIN   fnd_user_pkg.createuser   (  x_user_name                            => lc_user_name,      x_owner                                    => NULL,      x_unencrypted_password     => lc_user_password,      x_start_date                              => ld_user_start_date,      x_end_date                               => ld_user_end_date,      x_password_date                    => ld_password_date,      x_password_lifespan_days   => ld_password_lifespan_days,      x_employee_id                        => ln_person_id,      x_email_address                     => lc_email_address  );    COMMIT; EXCEPTION        WHEN OTHERS THEN                        ROLLBACK;                        DBMS_OUTPUT.PUT_LINE(SQLERRM); END; / SHOW ERR;  

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  • Google Voice API for .NET

    - by lennykean
    There is no official API for Google Voice. However, many of the operations are done via simple rest style http calls, so building one shouldn’t be too difficult. Digging deeper and rolling your own is always a great way to exercise your problem solving skills and learn new things. So I did just that. As of the time of writing this, I’m only implementing basic SMS send since that’s all I needed. I’m hoping to implement more functionality in the future. In my next post, I’ll be using the SMS functionality to implement 2 factor authentication with ASP.Net MVC.

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  • External device/USB support in android API level 10 [migrated]

    - by chandan
    I am an android UI developer and having problem with issue with USB and external storage device support on android. What I want to have is on plug-in USB/SD card, the storage items in the devices directly show up on screen. For example the modern Operating systems have this feature that we plug in our device and it just automatically shows the contents of the device on new window. I am implementing my UI on android API level 10 and my device is IMX reference kit which has android 2.3.4 installed. I would be grateful if anyone could give specif suggestion or guideline. I already tried with external_storage.java class. but it only says that the APK is installed successfully. But no action launches on plug-in external device.

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  • ask help: I need to create a demo application in Java to test my new designed Java Api

    - by Christophe
    A new programmer needs yourhelp. I'm working on a porject of re-developement of Java driver for the company's PIN pad terminals. the Java Api (CPXApplicationUpdate) will allow the applications in pinpads to be updated and to be downloaded at different speed (Baud rate). the Java Api was created. i followed the protocolto build the message. the message is to send to a RS-232 port. i'm trying to use setter and getter to let the code work as an API. import java.io.InputStream; import java.io.OutputStream; import java.util.Properties; public class CPXApplicationUpdate extends CPXCommand { private int speed; // TODO: temporary variable for baud rate test stub. // speed: baud rate of the maintenance application performing DL /** Creates a new instance of CPXApplicationUpdate */ public CPXApplicationUpdate() { speed = 9600; // no baud rate change CPXProcessor.logger.fine("-------CPXApplicationUpdate constructor"); // setParam("timeout", _cmdInfo.getDefaultParValue("timeout")); } public CPXApplicationUpdate(int speedinit) { speed = speedinit; // TODO: where to get the speed? wait for user input. CPXProcessor.logger.fine("-------CPXApplicationUpdate constructor"); // setParam("timeout", _cmdInfo.getDefaultParValue("timeout")); } public void setSpeed(int speed){ this.speed = speed; } protected void buildRequest() throws ElitePortException { String trans = ""; // build the full-qualified message trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 5); trans = addToRequest(trans, (char) 6); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 0); trans = addToRequest(trans, (char) 2); switch (speed) { case 9600: trans = addToRequest(trans, (char) 0x09); break; case 19200: trans = addToRequest(trans, (char) 0x0A); break; case 115200: trans = addToRequest(trans, (char) 0x0E); break; default: // TODO: unexpected baud rate. throw(); break; } trans = EncryptBinary(trans); trans = "F0." + trans; wrapRequest(trans); } protected String addToRequest(String req, char c) { CPXProcessor.logger.fine("adding char to request: I-" + (int) c + " C-" + c + " H-" + Integer.toHexString((int) c)); return req + c; } protected String addToRequest(String req, String s) { CPXProcessor.logger.fine("adding String to request: S-" + s); return req + s; } protected String addToRequest(String req) { return req; } public void analyzeResponse() { String response_transaction, response; int absLen = _response.length(); if (absLen < 4) return; response = _response.substring(3); CPXProcessor.logger.fine("stripped response=[" + response + "]"); for (int i = 0; i < response.length(); i++) { char c = response.charAt(i); CPXProcessor.logger.fine("[" + i + "] = " + c + " <> " + Integer.toHexString((int) c)); } int status = (short) response.charAt(3); CPXProcessor.logger.fine("status = " + status); _outputValues.put("status", "" + status); } please help me to correct the code. Now, i need to create a demo application to test if this java driver (Java Api) works. the value of the speed can be input by users (command line), or creat property files. how can i do that?

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  • How to disable the Social Reader Application in Facebook?

    - by Rekha
    Social Reader Application has made the process of sharing in Facebook easy but it looks like whatever we read is being displayed in our Facebook’s page. How to avoid this sharing? In the recent days, everyone’s Facebook Page is being flooded with various news from all the Social Reader Applications we have enabled. Even though this is a good idea to share the current news to everyone, it still seems to have taken away our privacy of what content we actually read. To avoid displaying the news on our Facebook page: 1. If you want the feeds to be displayed in your page but not to be shown to public or friends, just select from the options that are listed when you give permission for the Social Reader when you first read a feed. 2. Select Account Settings from the drop down menu on the top right corner of your FB page. Select Apps Tab which is available in the left side of the page. Here you can change the App Settings or completely delete the App. 3. You can also block Social Reader and other applications’ feeds that are read by your friends. In the right corner of the feed, click the drop-down icon and select “Hide all by ‘Application’” option. By selecting this, you would not be able to see any feeds from your friends too. 4. If you are intrigued by the feeds, you can just copy the title in your search engine and then read directly from their sites. This will not list the feed in your Facebook page.

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  • How can I read/write data from a file?

    - by samy
    I'm writing a simple chrome extension. I need to create the ability to add sites URLs to a list, or read from the list. I use the list to open the sites in the new tabs. I'm looking for a way to have a data file I can write to, and read from. I was thinking on XML. I read there is a problem changing the content of files with Javascript. Is XML the right choice for this kinda thing? I should add that there is no web server, and the app will run locally, so maybe the problem websites are having are not same as this. Before I wrote this question, I tried one thing, and started to feel insecure because it didn't work. I made a XML file called Site.xml: <?xml version="1.0" encoding="utf-8" ?> <Sites> <site> <url> http://www.sulamacademy.com/AddMsgForum.asp?FType=273171&SBLang=0&WSUAccess=0&LocSBID=20375 </url> </site> <site> <url> http://www.wow.co.il </url> </site> <site> <url> http://www.Google.co.il </url> </site> I made this script to read the data from him, and put in on the html file. function LoadXML() { var ajaxObj = new XMLHttpRequest(); ajaxObj.open('GET', 'Sites.xml', false); ajaxObj.send(); var myXML = ajaxObj.responseXML; document.write('<table border="2">'); var prs = myXML.getElementsByTagName("site"); for (i = 0; i < prs.length; i++) { document.write("<tr><td>"); document.write(prs[i].getElementsByName("url")[0].childNode[0].nodeValue); document.write("</td></tr>"); } document.write("</table"); }

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