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• Valgrind 'noise', what does it mean?

  - by Chris Huang-Leaver

  When I used valgrind to help debug an app I was working on I notice a huge about of noise which seems to be complaining about standard libraries. As a test I did this; echo 'int main() {return 0;}' | gcc -x c -o test - Then I did this; valgrind ./test ==1096== Use of uninitialised value of size 8 ==1096== at 0x400A202: _dl_new_object (in /lib64/ld-2.10.1.so) ==1096== by 0x400607F: _dl_map_object_from_fd (in /lib64/ld-2.10.1.so) ==1096== by 0x4007A2C: _dl_map_object (in /lib64/ld-2.10.1.so) ==1096== by 0x400199A: map_doit (in /lib64/ld-2.10.1.so) ==1096== by 0x400D495: _dl_catch_error (in /lib64/ld-2.10.1.so) ==1096== by 0x400189E: do_preload (in /lib64/ld-2.10.1.so) ==1096== by 0x4003CCD: dl_main (in /lib64/ld-2.10.1.so) ==1096== by 0x401404B: _dl_sysdep_start (in /lib64/ld-2.10.1.so) ==1096== by 0x4001471: _dl_start (in /lib64/ld-2.10.1.so) ==1096== by 0x4000BA7: (within /lib64/ld-2.10.1.so) * large block of similar snipped * ==1096== Use of uninitialised value of size 8 ==1096== at 0x4F35FDD: (within /lib64/libc-2.10.1.so) ==1096== by 0x4F35B11: (within /lib64/libc-2.10.1.so) ==1096== by 0x4A1E61C: _vgnU_freeres (vg_preloaded.c:60) ==1096== by 0x4E5F2E4: __run_exit_handlers (in /lib64/libc-2.10.1.so) ==1096== by 0x4E5F354: exit (in /lib64/libc-2.10.1.so) ==1096== by 0x4E48A2C: (below main) (in /lib64/libc-2.10.1.so) ==1096== ==1096== ERROR SUMMARY: 3819 errors from 298 contexts (suppressed: 876 from 4) ==1096== malloc/free: in use at exit: 0 bytes in 0 blocks. ==1096== malloc/free: 0 allocs, 0 frees, 0 bytes allocated. ==1096== For counts of detected errors, rerun with: -v ==1096== Use --track-origins=yes to see where uninitialised values come from ==1096== All heap blocks were freed -- no leaks are possible. You can see the full result here: http://pastebin.com/gcTN8xGp I have two questions; firstly is there a way to suppress all the noise? --show-below-main is set to no by default, but there doesn't appear to be a --show-after-main equivalent.

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• Trouble with custom WPF Panel-derived class

  - by chaiguy

  I'm trying to write a custom Panel class for WPF, by overriding MeasureOverride and ArrangeOverride but, while it's mostly working I'm experiencing one strange problem I can't explain. In particular, after I call Arrange on my child items in ArrangeOverride after figuring out what their sizes should be, they aren't sizing to the size I give to them, and appear to be sizing to the size passed to their Measure method inside MeasureOverride. Am I missing something in how this system is supposed to work? My understanding is that calling Measure simply causes the child to evaluate its DesiredSize based on the supplied availableSize, and shouldn't affect its actual final size. Here is my full code (the Panel, btw, is intended to arrange children in the most space-efficient manner, giving less space to rows that don't need it and splitting remaining space up evenly among the rest--it currently only supports vertical orientation but I plan on adding horizontal once I get it working properly): protected override Size MeasureOverride( Size availableSize ) { foreach ( UIElement child in Children ) child.Measure( availableSize ); return availableSize; } protected override System.Windows.Size ArrangeOverride( System.Windows.Size finalSize ) { double extraSpace = 0.0; var sortedChildren = Children.Cast<UIElement>().OrderBy<UIElement, double>( new Func<UIElement, double>( delegate( UIElement child ) { return child.DesiredSize.Height; } ) ); double remainingSpace = finalSize.Height; double normalSpace = 0.0; int remainingChildren = Children.Count; foreach ( UIElement child in sortedChildren ) { normalSpace = remainingSpace / remainingChildren; if ( child.DesiredSize.Height < normalSpace ) // if == there would be no point continuing as there would be no remaining space remainingSpace -= child.DesiredSize.Height; else { remainingSpace = 0; break; } remainingChildren--; } extraSpace = remainingSpace / Children.Count; double offset = 0.0; foreach ( UIElement child in Children ) { //child.Measure( new Size( finalSize.Width, normalSpace ) ); double value = Math.Min( child.DesiredSize.Height, normalSpace ) + extraSpace; child.Arrange( new Rect( 0, offset, finalSize.Width, value ) ); offset += value; } return finalSize; }

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• Building a custom CMS, how to handle page settings?

  - by davidosomething

  Not a coldfusion specific question so answer however you can. I've inherited a ColdFusion project where at the top of every page various page-setting specific variables are set, such as: <cfset request.page.title = "Example Page"> <cfset request.page.machineTitle = "example_page"> <cfset request.page.isJQueryEnabled = 1> <cfset request.page.showNavigation = 1> <cfset request.page.SWFObjectVersion = 2.2> I'm thinking about creating a database table with just integer page_id varchar key varchar value I'd reduce the variables at the top of every page to just the page id, and then call the DB for the correct settings. Is this a good idea? I hate reinventing the wheel, but this is a really big project that would require many months for a full content migration to a CMS. What are the current practices for storing page settings? (e.g., what does WordPress do? Drupal? etc.)

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• Php index page utitlizing an idea for a superswitch...

  - by Matt

  I dont know if this is a great idea...or a crap one. But I was thinking I may use one page to display all my pages using includes. Here is what my index.php would look like...on the functions include there is a function called "superSwitch" which will determine what requested page will be included....for instance if I do a get ?a=a it will goto the function superSwitch(a) superSwitch will take it and associate it with (login.php) then respond with such... here is the code for the index.php...please let me know if this makes sense and might work, or should I just stick to long blocks of code (which is why I am trying this because I hate long pages full of code...) of course as you can tell it is not actually including anything yet...the print is for debugging purposes. :) Thanks, Matt <?php //includes Functions include_once('inc/func.inc.php'); //set superget variable $superget = @$_GET['a']; //check if superget is set or null if (!$superget) { echo "Nothing Requested :)"; } else { //sanitizes the superget request $supergetr = supergetSanitize($superget) //uses the result "good" or "nogood" to determine what happens if ( $supergetr == "good" ) { //pulls superSwitch value of the request $ssresult = superSwitch($superget); print_r ($ssresult); } //if the sanitize is nogood else { //the superSwitch is instructed to respond with a 404 page $superget = "404" $ssresult = superSwitch($superget); print_r ($ssresult); } } ?>

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• Seed has_many relation using mass assignment

  - by rnd

  Here are my two models: class Article < ActiveRecord::Base attr_accessible :content has_many :comments end class Comment < ActiveRecord::Base attr_accessible :content belongs_to :article end And I'm trying to seed the database in seed.rb using this code: Article.create( [{ content: "Hi! This is my first article!", comments: [{content: "It sucks"}, {content: "Best article ever!"}] }], without_protection: true) However rake db:seed gives me the following error message: rake aborted! Comment(#28467560) expected, got Hash(#13868840) Tasks: TOP => db:seed (See full trace by running task with --trace) It is possible to seed the database like this? If yes a follow-up question: I've searched some and it seems that to do this kind of (nested?) mass assignment I need to add 'accepts_nested_attributes_for' for the attributes I want to assign. (Possibly something like 'accepts_nested_attributes_for :article' for the Comment model) Is there a way to allow this similar to the 'without_protection: true'? Because I only want to accept this kind of mass assignment when seeding the database.

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• AI navigation around a 2d map - Avoiding obstacles.

  - by Curt Walker

  Hey there, I know my question seems pretty vague but I can't think of a better way to put it so I'll start off by explaining what I'm trying to do. I'm currently working on a project whereby I've been given a map and I'm coding a 'Critter' that should be able to navigate it's way around the map, the critter has various other functions but are not relevant to the current question. The whole program and solution is being written in C#. I can control the speed of the critter, and retrieve it's current location on the map by returning it's current X and Y position, I can also set it's direction when it collides with the terrain that blocks it. The only problem I have is that I can't think of a way to intelligently navigate my way around the map, so far I've been basing it around what direction the critter is facing when it collides with the terrain, and this is in no way a good way of moving around the map! I'm not a games programmer, and this is for a software assignment, so I have no clue on AI techniques. All I am after is a push in the right direction on how I could go about getting this critter to find it's way around any map given to me. Here's an image of the map and critters to give you an idea of what i'm talking about. Here's a link to an image of what the maps and critters look like. Map and Critter image I'm in no way looking for anyone to give me a full solution, just a push in the general direction on map navigation. Thanks in advance!

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• Proftpd log issue

  - by ggenov

  Hi, I'm developing an application where I read the current changes in certain folders on the server via FTP. The problem is that on files which begin with non-standart symbols as "~" the FTP server doesn't write full path name in the log Here is a part of my log: myuser [14/Jun/2010:20:50:11 +0000] ::ffff:217.145.84.66 [STOR] [/home/myuser/public_html/galleries/~ajax-loader.gif] myuser [14/Jun/2010:20:50:11 +0000] ::ffff:217.145.84.66 [MFMT] [-] myuser [14/Jun/2010:20:50:11 +0000] ::ffff:217.145.84.66 [MLST] [-] myuser [14/Jun/2010:23:50:11 +0300] ::ffff:217.145.84.66 [MLST] [-] myuser [14/Jun/2010:20:50:11 +0000] ::ffff:217.145.84.66 [MLST] [-] myuser [14/Jun/2010:20:50:12 +0000] ::ffff:217.145.84.66 [PASV] [-] myuser [14/Jun/2010:20:50:12 +0000] ::ffff:217.145.84.66 [STOR] [/home/myuser/public_html/galleries/~~ajax-loader.gif                                                                                            ] myuser [14/Jun/2010:20:50:12 +0000] ::ffff:217.145.84.66 [MFMT] [-] myuser [14/Jun/2010:20:50:12 +0000] ::ffff:217.145.84.66 [MLST] [-] myuser [14/Jun/2010:23:50:12 +0300] ::ffff:217.145.84.66 [MLST] [-] myuser [14/Jun/2010:23:50:22 +0300] ::ffff:217.145.84.66 [DELE] [] As you can see, all operations work very well except [DELE] command. My proftpd.conf file and its log's settings: LogFormat               default "%U %t %a [%m] [%f]" ExtendedLog             /var/log/proftpd ALL default #SystemLog               /var/log/proftpd ALL default #TransferLog             /var/log/proftpd ALL default Does anybody have a solution for this issue ?

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• Integrating Magento with a simple static website.

  - by ExtraLean

  Magento is an awesomely powerful ecommerce platform. That said, it is also very complex, and I'd like to know if there is a relatively simple way to utilize Magento as our mISV site's backend to fulfill orders without actually "using" Magento's framework to build the site, run the site, etc. In other words, I don't want to use the built-in CMS, etc. since we have a static website already built. I'd just like our Buy Now buttons to utilize the checkout stuff, and would like to be able to use the back-end part to keep track of orders etc. I was able to accomplish this "fairly" easily with osCommerce, but Magento is proving to be a little more difficult to wrap my head around since I've only started looking at it for a few days now. I found another person asking this same exact question on the Magento wiki (along with several others in the forum), and none of them ever receive a reply for some reason. I noticed that there are may Magento experts on Stack Overflow, so I thought I'd give it a go here. This is an example of one question asked by someone on their wiki, and it captures the essence of what I'm trying to accomplish: Hi, as far as I understand, all shopping cart/eCommerce solutions I see are full featured PHP driven web sites. This means that all the pages the user interacts with, are server generated, and thus, the experience, is tied to the magento framework/workflow. I’d like to integrate bits and pieces of eCommerce/shopping cart in my existing website. Effectively, I’d like to have: 1) on a product information page, a “buy now/add to cart” button that adds to a cart 2) on every page, a view cart/checkout option 3) on a checkout page, with additional content already in place, having the magento “checkout” block integrated in the page (and not the entire page generated from Magento). Have any of you done this with Magento? This is for a simple one-product website so any advice you could share would be highly appreciated.

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• Is there such a thing as IMAP for podcasts?

  - by Gerrit

  Is there such a thing as IMAP for podcasts? I own a desktop, laptop, iPod, smartphone and a web-client all downloading StackOverflow Podcasts. (among others) They all tell me which episodes are available and which are already played. Everything is a horrible mess, ofcourse. My iPod is somewhat in sync with my desktop, but everything else is a random jungle. The same problem with e-mail is solved by IMAP. Every device gets content and meta-information from one server, and stays in sync with it. Per device, I can set preferences (do or do not download the complete archive including junkmail). Can we implement the IMAP approach for podcasts? Or is there a better metaphore/standard to solve this problem? How will the adoption-strategy look like? (by the way: except for the Windows smartphone, I own a full Apple-stack of products. Even then, I run into this problem) UPDATE The RSS-to-Imap link to sourceforge looks promesting, but very alpha/experimental. UPDATE 2 The one thing RSS is missing is the command/method/parameter/attribute to delete/unread items. RSS can only add, not remove. If RSS(N+1) (3?) could add a value for unread="true|false", it would be solved. If I cache all my RSS-feeds on my own server, and add the attribute myself, I only would have to convince iTunes and every other client to respect that.

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• CMYK + CMYK = ? CMYK / 2 = ?

  - by Pete

  Suppose there are two colors defined in CMYK: color1 = 30, 40, 50, 60 color2 = 50, 60, 70, 80 If they were to be printed what values would the resulting color have? color_new = min(cyan1 + cyan2, 100), min(magenta1 + magenta2, 100), min(yellow1 + yellow2, 100), min(black1 + black2, 100)? Suppose there is a color defined in CMYK: color = 40, 30, 30, 100 It is possible to print a color at partial intensity, i.e. as a tint. What values would have a 50% tint of that color? color_new = cyan / 2, magenta / 2, yellow / 2, black / 2? I'm asking this to better understand the "tintTransform" function in PDF Reference 1.7, 4.5.5 Special Color Spaces, DeviceN Color Spaces Update: To better clarify: I'm not entirely concerned with human perception or how the CMYK dyies react to the paper. If someone specifies 90% tint which, when printed, looks like full intensity colorant, that's ok. In other words, if I asking how to compute 50% of cmyk(40, 30, 30, 100) I'm asking how to compute the new values, regardless of whether the result looks half-dark or not. Update 2: I'm confused now. I checked this in InDesign and Acrobat. For example Pantone 3005 has CMYK 100, 34, 0, 2, and its 25% tint has CMYK 25, 8.5, 0, 0.5. Does it mean I can "monkey around in a linear way"?

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• Node-webkit works on Mac, crashes and can't load module on Windows

  - by user756201

  I've created a full node-webkit app that works fine on the Mac OSX version of node-webkit. Everything works, it loads a key external nodeJS module (marked), and the world is good. However, when I try to run the app on the Windows version of Node-webkit as described in the Wiki, the app crashes immediately (in fact, it crashes immediately when I try all the options: dragging a folder onto nw.exe, dragging an app.nw compressed folder, and running both from the command line). The only thing that gets me closer is opening nw.exe and then pointing the node-webkit location bar to the index file. Then I get this error: Uncaught node.js Error Error: Cannot find module 'marked' I tried commenting out the code that requires marked: var marked = require('marked'); That returns the app to crashing immediately. I assumed it was because of context issues between node.js and the node-webkit browser, but those seem to not be at fault since I tried this suggestion to make sure it finds the correct file for the marked module...went right back to immediate crashing. I'm out of ideas because the crashes don't seem to leave me any way of knowing what the error was.

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• put link on table row or any other way to put link

  - by air

  i have one php code for button creation for($i=1;$i<=$n;$i++) { $row=mysql_fetch_array($result); if($row['btn_color']==1) $btbg="side-button5.png"; if($row['btn_color']==2) $btbg="side-button6.png"; if($row['btn_color']==3) $btbg="side-button7.png"; if($row['btn_color']==4) ?> <br> <table width="200" height="50" border="0" cellpadding="0" cellspacing="0"> <tr> <td background="images/<?php echo $btbg ; ?>" style="background-repeat:no-repeat"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td height="66"> <div align="center" class="buttonside"> <p> <a class="buttonside" href="vpa.php?pgid=<?php echo $row['page_id']; ?>"> <?php echo $row['btn_text']?></p> </a> </div> </td> </tr> </table> </td> </tr> </table> <?php } ?> this code is working fine but the link is on text, i want to put link on full button(background) Thanks

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• how to find a control inside ItemsPanelTemplate in wpf?

  - by kakopappa

  I am trying to access a Grid inside the DataTemplate while the ItemsControl is binded by ItemsSource. this is the full XMAL code, How do i find a certain element from outside? for (int i = 0; i < allViewControl.Items.Count; i++) { var container = allViewControl.ItemContainerGenerator.ContainerFromItem(allViewControl.Items[i]) as FrameworkElement; var grid = allViewControl.ItemTemplate.FindName("grid", container) as DataGrid; } i found this always returning null ? <ScrollViewer Grid.Row="0" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto"> <ItemsControl x:Name="allViewControl" Focusable="False" HorizontalContentAlignment="Center" Grid.IsSharedSizeScope="true" ItemsSource="{Binding AllClassCharacters}" ItemTemplate="{StaticResource CharacterViewModelTemplate}" > <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <Extensions:AnimatedWrapPanel IsItemsHost="true" /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> </ScrollViewer> <DataTemplate x:Key="CharacterViewModelTemplate" DataType="{x:Type ViewModel:CharacterViewModel}"> <Grid x:Name="grid" Width="200" Height="Auto" MinHeight="115" Margin="1" MinWidth="130" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" RenderTransformOrigin="0.5,0.5" Background="#66000000" > <Grid.RowDefinitions> <RowDefinition Height="70"/> <RowDefinition Height="*"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <ProgressBar x:Name="playerProgressBar" VerticalAlignment="Top" Background="Transparent" Height="5" Width="Auto" Value="0" Visibility="Collapsed" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan ="2" Grid.RowSpan="2" Foreground="White" BorderThickness="0" Style="{DynamicResource ProgressBarStyle1}" /> </Grid>

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• Cairo / GTK example code crashes when window is too big or maximized

  - by user1890673

  I have copied and compiled the source code available in the section titled "Full Source". http://cairographics.org/threaded_animation_with_cairo/ I adapted this code to a project that I'm working on only to find that the app would crash when I made the window too big. Going back to the original example code, it too crashes when the window is too big ( 1000x1000 or so). I narrowed down in the example that this line appears to be responsible: pixmap = gdk_pixmap_new(window-window,500,500,-1); Where pixmap is of type GdkPixmap*. Resizing the window overwrites pixmap with a new pixmap that is the size of the window. I am doing this in Eclipse Juno in Windows Vista, 32-bit. My compiler is MinGW version 0.5-beta-20120426-1. My GTK+ version is 2.24.10 and apparently Cairo is 1.10.2 I added all of the includes and libraries for GTK and also added compiler switch -mms-bitfields. Is there a limit to the size of a pixmap or something? I'm just starting with GTK with examples so I'm not sure where to go if this example doesn't work.

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• ASP.NET ListView, custom DataSources, and editing items

  - by Andrew Shepherd

  The MSDN walkthroughs provide a number of examples where you can drag a DataSource from the toolbox, run through some simple configuration steps, then drag a ListView onto the screen, point it at the DataSource, and hey - you've got full table editing. Now I'm trying to write my own DataSource class (a class that implements System.Web.UI.IDataSource) and my own DataSourceView class. I now assign an instance of this custom DataSource class to the ListView.DataSource propery. The display of all the items is working well. However, updating, inserting and deleting just is not working. I'm overriding every function I can in my DataSourceView class, and they just aren't being called. This is such a huge topic, I'll focus this question on one simple example: When you press the "Edit" button (the button inside the ItemTemplate with a CommandName of "Edit", you expect the ItemTemplate to be replaced by an EditItemTemplate. This did not happen. The only way I could get it to happen was to handle the onitemediting event. protected void _listViewPublicHolidays_ItemEditing(object sender, ListViewEditEventArgs e) { _listViewPublicHolidays.EditIndex = e.NewEditIndex; _listViewPublicHolidays.DataBind(); } This is hardly a problem, but how come I had to do it at all? In the MSDN walkthroughs where I attach a ListView to a LinqDataSource, this code doesn't have to be written. Can someone who's been here before hazard a guess as to what would be different or missing in my custom datasource?

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• erlang design of a card game [closed]

  - by user601836

  I would like to discuss with you a possible implementation for a card game in erlang. The only full example I found online is OpenPoker. I would like to create one myself, so here is the implementation I have in mind: A gen_server to represent a deck: when started creates a deck of cards (shuffled). And stores it in its state. provides an handle_call (draw_card) A gen_server to represent the chat room. Stores in its state the registered name of a player process (e.g. player1, player2, luke etc etc). Exports handle_cast to join the chat (executed by default when somebody joins successfully the game) and one to broadcast a chat message to all users by calling an handle_cast on the gen_server representing a player. a gen_fsm to represent a game instance. Has two states (wait_join, and turn). Exports join/1 to join the game, play_card/2 and send_msg/2. One parameter is the pid of the player process. a gen_server to represent the player. Exports only start_link/1 where the parameter is the name to use to register the process (inside the init I call join method of gen_fsm). Has different handle_calls (e.g. get_hand, draw_card) and handle_casts (e.g. play_card, deliver_msg, and send_msg) A gen_server to represent the main process. Exports (join_game/1 which calls player:start_link/1, send_msg/2 to call player's send_msg, play_card/3 to call player's play_card). What do you think of this architecture? Thanks in advance

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• xml to hashmap - php

  - by csU

  Hi, Given an xml structure like this <gesmes:Envelope> <gesmes:subject>Reference rates</gesmes:subject> <gesmes:Sender> <gesmes:name>European Central Bank</gesmes:name> </gesmes:Sender> <Cube> <Cube time="2010-03-26"> <Cube currency="USD" rate="1.3353"/> <Cube currency="JPY" rate="124.00"/> <Cube currency="BGN" rate="1.9558"/> <Cube currency="CZK" rate="25.418"/> ... ... </Cube> </Cube> </gesmes:Envelope> how can i go about getting the values stored in to a hashmap or similar structure in php? Have been trying to do this for the last few hours now but cant manage it :D It is homework so i guess no full solutuins please( tho the actual assignment is to use the web services, i am just stuck with parsing it :D ). Maybe someone could show me a brief example for a made up xml file that i could apply to mine? Thanks

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• Why Android for enterprise applications?

  - by mcabral

  Recently one of our clients is considering the posibility of picking up an old WinMobile 5.0 project. Several features are to be added to the point it will be a major version update. The client is worried about the mobile market, and thinks there's a chance all the effort put in this development will have to be thrown away in a couple of year due to the dinamics of the mobile market and the deprecation of mobile devices. So, the client is not sure whether he should continue with Windows Mobile (changing from WM 5.0 to 6.X) or starting from scratch with another technology. From our part we have been studing the mobile market, looking for clues for which will be the winning horse. The safe move seems to continue with WM just because re writing an entire application from scratch involves more risks and delays. On the other hand WM seems to be losing market and the ghost of an exit on their part is growing stronger everyday. But what can be say about Android? Everyone is talking about it and is growing at full speed but what avantagies will it bring to the table? Why should we start a fresh applicaction on this technology? So the question remains the same.. is Andriod mature enough for an enterprise application? Will you recomend it to one of your clients? Will you port/rewrite a WM application to Andriod? What's the trade-off? EDIT: Addressing commentaries. The app is entirely built with C# and Compact Framework. The app is for logistics/management.

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• c++ Mixing printf with wprintf (or cout with wcout)

  - by Bo Jensen

  I know you should not mix printing with printf,cout and wprintf,wcout, but have a hard time finding a good answer why and if it is possible to get round it. The problem is I use a external library that prints with printf and my own uses wcout. If I do a simple example it works fine, but from my full application it simply does not print the printf statements. If this is really a limitation, then there would be many libraries out there which can not work together with wide printing applications. Any insight on this is more than welcome. Update : I boiled it down to : #include <stdio.h> #include <stdlib.h> #include <iostream> #include <readline/readline.h> #include <readline/history.h> int main() { char *buf; std::wcout << std::endl; /* ADDING THIS LINE MAKES PRINTF VANISH!!! */ rl_bind_key('\t',rl_abort);//disable auto-complete while((buf = readline("my-command : "))!=NULL) { if (strcmp(buf,"quit")==0) break; std::wcout<<buf<< std::endl; if (buf[0]!=0) add_history(buf); } free(buf); return 0; } So I guess it might be a flushing problem, but it still looks strange to me, I have to check up on it.

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• Rails and GIT workflow advice.

  - by dannymcc

  Hi Everyone, I need some advice with my desired setup with git and rails. Basically for my first Rails application I used a base application template from GitHub, I then made a ton of changes and now have a full application which is fairly customised. I have now extracted all of the changes I made to the files within the base application template and have committed the changes to my fork of the github repo. Ideally, I would like to have the base application template as a branch in my application and rebase it with my master. Is this actually possible? The reason I want to do this: I want to keep the base application up to date and functional, so for my next project I can just clone the base application template from my github fork and get working. Likewise, if anyone fixes any bugs in the base application template, I could merge those fixes with any application I have the base application template as a branch? Is this possible? Is there a better/more common way to do this? Thanks in advanced! Thanks, Danny

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• Need feedback on two member functions of a Table class in C++

  - by George

  int Table::addPlayer(Player player, int position) { deque<Player>::iterator it = playerList.begin()+position; deque<Player>::iterator itStart = playerList.begin()+postion; while(*it != "(empty seat)") { it++; if (it == playerList.end()) { it = playerList.begin(); } if (it == itStart) { cout << "Table full" << endl; return -1; } } //TODO overload Player assignment, << operator *it = player; cout << "Player " << player << " sits at position " << it - playerList.begin() << endl; return it - playerList.begin(); } } int Table::removePlayer(Player player) { deque<Player>::iterator it = playerList.begin(); //TODO Do I need to overload != in Player? while(*it != player) { it++; if (it == playerList.end()) { cout << "Player " << player << " not found" << endl; return -1; } } *it = "(empty seat)"; cout << "Player " << player << " stands up from position " << it - playerList.begin() << endl; return it - playerList.begin(); } Would like some feedback on these two member functions of a Table class for Texas Hold Em Poker simulation. Any information syntax, efficiency or even common practices would be much appreciated.

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• How to create custom pages (Drupal 6.x)

  - by jc70

  In the template.php file I inserted the code below: I found a tutorial online that gives the code, but I'm confused on how to get it to work. I copied the code below and inserted it into the template.php from the theme HTML5_base. I duplicated the page.tpl.php file and created custom pages -- page-gallery.tpl.php and page-articles.tpl.php. I inserted some text to the files just see that I've navigated to the pages w/ the changes. It looks like Drupal is not recognizing gallery.tpl.php and page-articles.tpl.php. In the template.php there are the following functions: html5_base_preprocess_page() html5_base_preprocess_node() html5_base_preprocess_block() In the tutorial it uses these functions: phptemplate_preprocess_page() phptemplate_preprocess_block() phptemplate_preprocess_node() function phptemplate_preprocess_page(&$vars) { //code block from the Drupal handbook //the path module is required and must be activated if(module_exists('path')) { //gets the "clean" URL of the current page $alias = drupal_get_path_alias($_GET['q']); $suggestions = array(); $template_filename = 'page'; foreach(explode('/', $alias) as $path_part) { $template_filename = $template_filename.'-'.$path_part; $suggestions[] = $template_filename; } $vars['template_files'] = $suggestions; } } function phptemplate_preprocess_node(&$vars) { //default template suggestions for all nodes $vars['template_files'] = array(); $vars['template_files'][] = 'node'; //individual node being displayed if($vars['page']) { $vars['template_files'][] = 'node-page'; $vars['template_files'][] = 'node-'.$vars['node']->type.'-page'; $vars['template_files'][] = 'node-'.$vars['node']->nid.'-page'; } //multiple nodes being displayed on one page in either teaser //or full view else { //template suggestions for nodes in general $vars['template_files'][] = 'node-'.$vars['node']->type; $vars['template_files'][] = 'node-'.$vars['node']->nid; //template suggestions for nodes in teaser view //more granular control if($vars['teaser']) { $vars['template_files'][] = 'node-'.$vars['node']->type.'-teaser'; $vars['template_files'][] = 'node-'.$vars['node']->nid.'-teaser'; } } } function phptemplate_preprocess_block(&$vars) { //the "cleaned-up" block title to be used for suggestion file name $subject = str_replace(" ", "-", strtolower($vars['block']->subject)); $vars['template_files'] = array('block', 'block-'.$vars['block']->delta, 'block-'.$subject); }

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• Lucene wildcard queries

  - by Javi

  Hello, I have this question relating to Lucene. I have a form and I get a text from it and I want to perform a full text search in several fields. Suppose I get from the input the text "textToLook". I have a Lucene Analyzer with several filters. One of them is lowerCaseFilter, so when I create the index, words will be lowercased. Imagine I want to search into two fields field1 and field2 so the lucene query would be something like this (note that 'textToLook' now is 'texttolook'): field1: texttolook* field2:texttolook* In my class I have something like this to create the query. I works when there is no wildcard. String text = "textToLook"; String[] fields = {"field1", "field2"}; //analyser is the same as the one used for indexing Analyzer analyzer = fullTextEntityManager.getSearchFactory().getAnalyzer("customAnalyzer"); MultiFieldQueryParser parser = new MultiFieldQueryParser(fields, analyzer); org.apache.lucene.search.Query queryTextoLibre = parser.parse(text); With this code the query would be: field1: texttolook field2:texttolook but If I set text to "textToLook*" I get field1: textToLook* field2:textToLook* which won't find correctly as the indexes are in lowercase. I have read in lucene website this: " Wildcard, Prefix, and Fuzzy queries are not passed through the Analyzer, which is the component that performs operations such as stemming and lowercasing" My problem cannot be solved by setting the behaviour case insensitive cause my analyzer has other fields which for examples remove some suffixes of words. I think I can solve the problem by getting how the text would be after going through the filters of my analyzer, then I could add the "*" and then I could build the Query with MultiFieldQueryParser. So in this example I woud get "textToLower" and after being passed to to these filters I could get "texttolower". After this I could make "textotolower*". But, is there any way to get the value of my text variable after going through all my analyzer's filters? How can I get all the filters of my analyzer? Is this possible? Thanks

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• Changing the innerHTML of elements in a nested div tag..

  - by PoorCoder

  -- Representative code only - I need to know how to change the innerhtml of the tablerow -- <html> <head> <script> //full javascript declaration - function call after page loads.. function () { document.getElementById('tr1').innerHTML='<td>Test</td>'; // does not work.. document.getElementByTagNames('tr')[0].innerHTML='<td>Test</td>'; // does not work.. document.getElementById('div2').getElementsByTagNames('tr')[0].innerHTML='<td>Test</td>'; //does not work.. document.getElementById('div1').div2.tr1.innerHTML='<td>Test</td>'; //nope } </script> </head> <body> <div id='div1'> <div id='div2'> <table> <tr id='tr1'></tr> </table> </div> </div> </body> </html> Thanks for the help

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• Top navigation link in Magento that I can't get rid of

  - by Chris Baily

  I'm working on a new theme for an existing Magento installation, and I've got a rogue link. The last guy apparently decided to hard code a link to the AW Blog extension he was using in the top navigation. See here: derm2go.com - link is "articles". I'm getting rid of AW Blog in favor of an integrated wordpress install, but when I uninstall AW Blog, the site breaks (everything after the nav dissapears) and I get this error in my logs: 2011-11-19T08:56:19+00:00 ERR (3): Warning: include() [function.include]: Failed opening 'Mage/Blog/Helper/Data.php' for inclusion (include_path='/chroot/home/dermtwog/derm2go.com/html/app/code/local:/chroot/home/dermtwog/derm2go.com/html/app/code/community:/chroot/home/dermtwog/derm2go.com/html/app/code/core:/chroot/home/dermtwog/derm2go.com/html/lib:.:/usr/share/pear') in /chroot/home/dermtwog/derm2go.com/html/lib/Varien/Autoload.php on line 93 I've searched everywhere, I can think of that might effect the nav menu, and I don't know where the link is coming from - it's not in the CMS/static blocks, its not in any of the default template files on the server (I deleted and reinstalled all of them) and it's showing up even when I change templates, so it's probably not in on the sub themes. Does anyone out there know of other files it could be hiding in? I'm assuming the last guy did a quick and dirty hack somehow - and maybe messed with core files? Would really rather not have to do a full reinstall.

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