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  • Decision region plot for neural network in matlab

    - by Taban
    I have a neural network trained with backpropagation algorithm. I also create data set (input and target) random. Now I want to plot a decision region where each region is marked with a red star or with a blue circle according to whether it belongs to class 1 or -1. I searched a lot but just find plotpc function that is for perceptron algorithm. What should I try now? Any link or answer really helps. Thanks

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  • Java equivalent of C++ std::map?

    - by Rudiger
    I'm looking for a Java class with the characteristics of C++ std::map's usual implementation (as I understand it, a self-balancing binary search tree): O(log n) performance for insertion/removal/search Each element is composed of a unique key and a mapped value Keys follow a strict weak ordering I'm looking for implementations with open source or design documents; I'll probably end up rolling my own support for primitive keys/values. This question's style is similar to: Java equivalent of std::deque, whose answer was "ArrayDeque from Primitive Collections for Java".

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  • add color style to value based on condition

    - by rod
    Hi All, How do I conditionally add the style 'color:red' to the .CurrentDifference if the value happens to be a negative value? Thanks, rod. <div class="sRow"> <div class="sLabel p40"> Difference: </div> <%= (!String.IsNullOrEmpty(Model.Amount)?Model.Amount.CurrentDifference.ToString("c"):string.Empty) %> </div>

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  • Changing Tint / Background color of UITabBar

    - by pixel
    The UINavigationBar and UISearchBar both have a tintColor property that allows you to change the tint color (surprising, I know) of both of those items. I want to do the same thing to the UITabBar in my application, but have found now way to change it from the default black color. Any ideas?

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  • Why do so many wpf controls implement CLR properties instead of dependency properties ?

    - by msfanboy
    Hello, is it because the controls programmers are lazy, too hard to implement or not knowledgeable? Wether they are custom controls from 3rd party vendors or Microsoft itself, very much controls have often clr properties instead of DP. Result is I can not bind to them and is wpf not all about binding? :/ My next side question would be, why do so many wpf controls offer visual parts but they are not member of the visual tree ? see wpf datagrid columns, headers... What do you think?

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  • How do I modify this jQuery :submit selector example?

    - by Tommy
    Looking at this jQuery example, how can I modify the code so that it only changes the color of the cell if the value of the submit button in that cell is a certain value. i.e.- var submitEl = $("td :submit") //Only do the below if the submit buttons value is "XYZ" .parent('td') .css({background:"yellow", border:"3px red solid"})

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  • Makefiles, symlinked folder & relative paths

    - by l.thee.a
    Let say I have the following folders: /A/C /D/B/E /D/B/C (this is a symlink to /A/C created by ln -s) When one of the makefiles tries to use the path /D/B/C/../E it gets a "no file or directory" error. I understand why this happens; /A/E does not exist. However I have to use symlinks to populate the B folder and create the build tree (very long story). Any ideas?

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  • Creating a Custom Compound Button Bar

    - by vijay
    I have to create a custom compound button bar control in Android like the one here. To create a button bar like this, I am thinking of extending a LinearLayout and add my buttons to it. The buttons have a black background but with a gradient fill; I am not keen on using PNGs since the color of the buttons can change at runtime. How can I get similar effect in Android? Thanks.

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  • Sort directory listing using RecursiveDirectoryIterator

    - by Scott Saunders
    I'm using RecursiveDirectoryIterator and RecursiveIteratorIterator to build a file listing tree using code like below. I need to the list to be sorted - either directories then files alphabetically, or just alphabetically. Can anyone tell me how to sort the file list? $dir_iterator = new RecursiveDirectoryIterator($groupDirectory); $iterator = new RecursiveIteratorIterator($dir_iterator, RecursiveIteratorIterator::SELF_FIRST); foreach ($iterator as $file) { // do stuff with $file }

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  • How To create Multicolumn TreeView with header and sorting in WPF?

    - by sachin
    Hi! i have created tree view demo in Visual Studio 2008 C# in WPF but i want to give header and when header is clicked it sort data. i want to create demo like this header1………….header2……….header3 -parent1…………..parent2………..parent3 …-child1……………-child1………….child1 ……child1……………-child1…………child1 -parent2…………..parent2………..parent2 …-child2……………-child2………….child2 ……child……………-child2…………child2 parent3…………….parent3………..parent3 plz suggest any link or samples code. thank you!

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  • GridView's ItemContainerStyle and selection states

    - by Roberto Casadei
    I'm trying to change the appearance of gridview items when they are selected. (Before, I used a trick with an IsSelected property in the ViewModel object bound to the containing grid and a bool-to-color converter, but I recognize that it is bad) To do so, I do: <GridView ItemContainerStyle="{StaticResource GridViewItemContainerStyle}" ...> ... and <Style x:Key="GridViewItemContainerStyle" TargetType="GridViewItem"> <Setter Property="Background" Value="Red" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="GridViewItem"> <Grid> <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="Normal"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Grid.Background)" Storyboard.TargetName="itemGrid"> <DiscreteObjectKeyFrame KeyTime="0" Value="Black"/> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> <VisualStateGroup x:Name="SelectionStates"> <VisualState x:Name="UnselectedSwiping"/> <VisualState x:Name="UnselectedPointerOver"/> <VisualState x:Name="Selecting"/> <VisualState x:Name="Selected"> <Storyboard> <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(Grid.Background)" Storyboard.TargetName="itemGrid"> <DiscreteObjectKeyFrame KeyTime="0" Value="White"/> </ObjectAnimationUsingKeyFrames> </Storyboard> </VisualState> <VisualState x:Name="SelectedSwiping"/> <VisualState x:Name="Unselecting"/> <VisualState x:Name="Unselected"/> <VisualState x:Name="SelectedUnfocused"/> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Grid ... x:Name="itemGrid"> <!-- HERE MY DATA TEMPLATE --> </Grid> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> When I run the app, the items are Black (as in the "normal" state). But selecting them does not turn them into White. Where am I wrong? Moreover, it there a way to set "ItemContainerStyle" without having it to "overwrite" the "ItemTemplate" ???

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  • Is there an open source immutable dictionary for C#, with fast 'With/Without' methods?

    - by Strilanc
    I'm looking for a proper C# immutable dictionary, with fast update methods (that create a partial copy of the dictionary with slight changes). I've implemented one myself, using zippers to update a red-black tree, but it's not particularly fast. By 'immutable dictionary' I don't just mean readonly or const. I want something that has reasonably fast 'With' and 'Without', or equivalent, methods that return a thing with slight modifications without modifying the original. An example from another language is map in Scala

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  • php,unix command ,imagick not working

    - by user345804
    Hi, i am trying to bend text using imagemagik in PHP. but the commands shown in the website are not working. http://www.fmwconcepts.com/imagemagick/texteffect/index.php how can i run these scripts in PHP ? somebody please help me.. NB :-t \'SOME ARCHBOTTOM TEXT\' -s outline -e arch-bottom -d 1.0 -f Arial -p 48 -c skyblue -b white -o black -l 1 -u lightpink

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  • Qt - QPushButton text formatting

    - by Narek
    I have a QPushButton and on that I have a text and and icon. I want to make the text on the button to be bold and red. Looked at other forums, googled and lost my hope. Seems there is no way to do that if the button has an icon (of course if you don't creat a new icon wich is text+former icon). Is that the only way? Anyone has a better idea?

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  • Can some explain why this wont draw a circle? It is drawing roughly 3/4?

    - by Brandon Shockley
    If we want to use n small lines to outline our circle then we can just divide both the circumference and 360 degrees by n (i.e , (2*pi*r)/n and 360/n). Did I not do that? import turtle, math window = turtle.Screen() window.bgcolor('blue') body = turtle.Turtle() body.pencolor('black') body.fillcolor('white') body.speed(10) body.width(3) body.hideturtle() body.up() body.goto(0, 200) lines = 40 toprad = 40 top_circum = 2 * math.pi * toprad sol = top_circum / lines circle = 360 / lines for stops in range(lines): body.pendown() body.left(sol) body.forward(circle) window.exitonclick()

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  • apt-get install fuse - MAKEDEV not installed, skipping device node creation

    - by holms
    This happened with command apt-get dist-upgrade to upgrade to debian jessie, after which I've tried to remove fuse, and install it again. Same error: root@msgapp:/dev# apt-get install fuse Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: fuse 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/69.9 kB of archives. After this operation, 191 kB of additional disk space will be used. Selecting previously unselected package fuse. (Reading database ... 39354 files and directories currently installed.) Preparing to unpack .../fuse_2.9.3-10_amd64.deb ... Unpacking fuse (2.9.3-10) ... Processing triggers for man-db (2.6.7.1-1) ... Setting up fuse (2.9.3-10) ... MAKEDEV not installed, skipping device node creation. device node not found dpkg: error processing package fuse (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: fuse E: Sub-process /usr/bin/dpkg returned an error code (1) UPDATE Reinstalling makedev gives another problem: root@msgapp:/dev# apt-get install makedev Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: makedev 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/42.6 kB of archives. After this operation, 129 kB of additional disk space will be used. Selecting previously unselected package makedev. (Reading database ... 39347 files and directories currently installed.) Preparing to unpack .../makedev_2.3.1-93_all.deb ... Unpacking makedev (2.3.1-93) ... Processing triggers for man-db (2.6.7.1-1) ... ySetting up makedev (2.3.1-93) ... /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. There's ticket raised, and their fix doesn't give any result: root@msgapp:/dev# cd /dev && ./MAKEDEV fuse /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation.

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  • How to parse json data in Python?

    - by backcross
    Please help me to parse this json in python. { "IT" : [ { "firstName" : "ajay", "lastName" : "stha", "age" : 24 }, { "firstName" : "Michiel", "lastName" : "Og", "age" : 35 } ], "sales" : [ { "firstName" : "Guru", "lastName" : "red", "age" : 27 }, { "firstName" : "Jim", "lastName" : "Galley", "age" : 34 } ] } How to parse this json in Python?Please help me

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  • how to get $form_state outside of FAPI's functions?

    - by logii
    I'm writing a custom module and I'd like to use $form_state of the current form in another non-form api function - custom_facet_view_build(). any help is appreciated :) <?php /** * Implementation of hook_perm(). */ function custom_facet_perm() { return array( 'access foo content', 'access baz content', ); } /** * Implementation of hook_menu(). */ function custom_facet_menu() { $items['faceted-search'] = array( 'title' => 'Faceted Search', 'page callback' => 'drupal_get_form', 'access arguments' => array(), ); $items['facet-search-test'] = array( 'page callback' => 'drupal_get_form', 'page arguments' => array('custom_facet_form'), 'access callback' => TRUE, 'type' => MENU_CALLBACK, ); return $items; } /** * Form definition; ahah_helper_demo form. */ function custom_facet_form($form_state) { $form = array(); ahah_helper_register($form, $form_state); if (isset($form_state['storage']['categories'])) { $categories_default_value = $form_state['storage']['categories']["#value"]; } $form['facet_search_form'] = array( '#type' => 'fieldset', '#title' => t('Faceted Search'), '#prefix' => '<div id="billing-info-wrapper">', // This is our wrapper div. '#suffix' => '</div>', '#tree' => TRUE, // Don't forget to set #tree! ); $form['facet_search_form']['categories'] = array( '#type' => 'select', '#title' => t('Category'), '#options' => _custom_facet_taxonomy_query(1), '#multiple' => TRUE, '#default_value' => $categories_default_value, ); $form['save'] = array( '#type' => 'submit', '#value' => t('Save'), ); return $form; } /** * Validate callback for the form. */ function custom_facet_form_validate($form, &$form_state) { } /** * Submit callback for the form. */ function custom_facet_form_submit($form, &$form_state) { drupal_set_message('nothing done'); $form_state['storage']['categories'] = $form['facet_search_form']['categories']; // dpm($form_state); // There's a value returned in form_state['storage] within this function } /** * Implementation of hook_views_api(). */ function custom_facet_views_api() { return array( 'api' => 2, ); } function custom_facet_view_build(&$view) { dpm($form_state); // form_state['storage] remains NULL even though there's a value on previous submission }

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  • Searching temporal data

    - by user321299
    I developing an application (in C#) where objects are active under a period of time, they have from and to properties of DateTime-type. Now I want to speed up my search routine for queries like: Are there other active objects in this timeperiod/at this time. Is there any existing temporal index I can use or can I use QuadTree/other tree-structures to search in an efficient way.

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