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  • PHP - Data Access Layer

    - by scarpacci
    I am currently reviewing a code base and noticed that a majority of the calls (along with DB connections) are just buried inside the PHP scripts. I would have assumed that like other languages they would have developed some sort of data access layer (Like I would do in .Net or Java) for all of the communication to the DB (or implemented MVC, etc). Is this still a common pattern in PHP or is there alternative methodologies/patterns for this technology? I am just trying to understand why the subs would have developed it this way. Any insight/info on how experienced developers design an approach data access in PHP would be very much appreciated.

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  • Indexing and Searching Over Word Level Annotation Layers in Lucene

    - by dmcer
    I have a data set with multiple layers of annotation over the underlying text, such as part-of-tags, chunks from a shallow parser, name entities, and others from various natural language processing (NLP) tools. For a sentence like The man went to the store, the annotations might look like: Word POS Chunk NER ==== === ===== ======== The DT NP Person man NN NP Person went VBD VP - to TO PP - the DT NP Location store NN NP Location I'd like to index a bunch of documents with annotations like these using Lucene and then perform searches across the different layers. An example of a simple query would be to retrieve all documents where Washington is tagged as a person. While I'm not absolutely committed to the notation, syntactically end-users might enter the query as follows: Query: Word=Washington,NER=Person I'd also like to do more complex queries involving the sequential order of annotations across different layers, e.g. find all the documents where there's a word tagged person followed by the words arrived at followed by a word tagged location. Such a query might look like: Query: "NER=Person Word=arrived Word=at NER=Location" What's a good way to go about approaching this with Lucene? Is there anyway to index and search over document fields that contain structured tokens?

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  • Export a single layer as an image in Photoshop

    - by wrburgess
    I have a lot of designers send me layered PSDs of their designs and I need to break out the pieces of the designs to place on web pages. I can do a decent number of things in Photoshop, but I'm hardly efficient with it. My old way of just copying the image that's in a layer and pasting into a new image seems to take forever as I screw around with cropping and such. I've got Photoshop CS5, so I don't need external software to do anything, but I just need to figure out how to take a single layer, that may hold something small like an icon, and export it as a PNG or JPG. I am aware of the script called "Export Layers to Files" but it took about an hour and exported ALL of my layers to a huge number of files. I wasn't looking for a solution that broad. Is there an easy way to do this?

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  • Saving each layer of a Photoshop image to separate files

    - by BadKnees
    I have a PSD file with all icons in separate layers as vectors. I would like to save them in different sizes to use in iPhone, iPhone4 and iPad. I tried Files Scripts Export Layers to Files That took about 15 minutes to save each layer while the computer was overheating from the work. Tried with two different computers, one with CS4 and the other with CS5. Same result. And that doesn't allow me to set sizes. Seem like most icon packs, like pictos, glyphish and iconsweets are distributed in this way, in one PSD file. Is some easy way to get them out of the PSD and into PNG files?

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  • Css background layers and 100% height div's

    - by Znarkus
    Imagine the following code. <body id="first_bg_layer"> <div id="second_bg_layer"> <div id="third_bg_layer"> </div> </div> </div> Each layer has a different background that is static/repeated to achieve the desired effect. I need all layers to fill up the screen, otherwise the background will be broken. The background is split in layers to minimize the image sizes. Setting min-height to 100% doesn't work for various reasons. Is there any way to do this?

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  • Rotate a feature programatically Open Layers

    - by Ozaki
    TLDR I want to rotate a Feature in my open layers. I want it to face a certain heading that I am receiving from server. I know that you can make a feature spin on a point or so on: window.setInterval(function() {rotateFeature( pointFeature, 360 / 20, origin)}, 100); as from the open layers example. But I want to be able to face it towards a heading I am given, so. Can I face a feature towards a heading? Can I face a feature(image) in the same way? If not is it possible to automatically calculate the rotation required and position it that way? Or any ideas on how I could do this with the image? (hoping not to have 360 images) Thanks in advance.

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  • How many layers is too many?

    - by Nathan
    As I have been learning about software development the last 2 years the more I learn, it seems the more gray areas I am running into. One gray area I have issues with right now is trying to decide how many layers an application should have. For example, in a WPF MVVM application what fashion of layering is ok? Is the following too separated? When I mention layering I mean creating a new class library for each layer. Presentation (View) View Model Business Layer Data Access Model Layer Utility Layer Or for a non MVVM application is this too separated? Presenation Business Data Access Model Layer Utility Layer Is acceptable to run layers together and just create folders for each layer? Any coloring of this gray area would be appreciated.

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  • Collision detection between layers in Cocos2d?

    - by ipodfreak0313
    I am making a game in Cocos2d. I have enemies that shoot, and have the character shoot. I created a separate layer for the enemies (and their bullets) and a separate layer for the character (and its bullets). The problem is, I don't know how to detect collisions between the two layers. Note, I have the Scene in HelloWorldLayer, and each of the above layers is a child of the scene. Any help is appreciated. Thanks!

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  • Render multiple layers in XNA

    - by Charles
    I'm using XNA, and I've run into a little problem. I need to support multiple layers, each with a distinct z order (I call these "viewports"). A picture is worth a thousand words, so here's what it should look like: There are several things to notice here. Sprites do not render outside of their viewport, as you can see with Sprite B. Also, notice how the viewports are rendered - it's very similar to "layers" in Photoshop. Although Sprite C is has a z order of -1000, C still renders above Sprite A because its viewport's z-order is a greater than A's viewport's z-order. There's one last detail that I couldn't display very well in the above picture. Each viewport needs to optionally render a color over its region of the screen - you could think of it as a "tinting" affect. I'm completely at a loss when it comes to doing this the best way in XNA, so I could really use a short snippet of C#/VB.NET code that demonstrates this in action. Any help would be greatly appreciated.

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  • Handling click events on z-index'd layers

    - by Alex
    I have 2 z-index layers in a map application I'm building. I have a problem when I click on the layers to zoom in. The click handler is on the underlying z-index layer and I don't want it to fire when a control in the overlying layer is clicked. The problem i have is that the event gets raised no matter what but the originalTarget property of the event is not the image in the underlying layer when something on the top layer is clicked. Is there anyway to change this?

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  • IPHONE MPMoviePlayer: Playing video under button layers that can be interacted with while video play

    - by nicholas
    I would like to have layers of buttons over video playing in the background on my IPHONE application. Basically, I'm looking to adjust the Movie Player code, in order to allow the application user to tap on different portions of the screen while a video plays and call other commands (for example a video of puppets talking, if you touch one of the puppets, the video pauses and a second (smaller) window appears with a list of information about that puppet; when you exit that list, the video continues where it was paused).

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  • what browser is document.layers sniffing?

    - by mkoryak
    I am looking at some JS code from the 20th century, and they are using document.layers in code that is trying to get the current key code. What browser are they sniffing for? i am about to replace the code with something like this: var fn = function(event){ event = event || window.event; var code = event.charCode || event.keyCode; } but i am afraid of breaking something arcane and releasing the evil

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  • Toggle KML Layers, Infowindow isnt working

    - by user1653126
    I have this code, i am trying to toggle some kml layers. The problem is that when i click the marker it isn't showing the infowindow. Maybe someone can show me my error. Thanks. Here is the CODE <!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <style type="text/css"> html { height: 100% } body { height: 100%; margin: 0; padding: 0 } #map_canvas { height: 100% } </style> <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?key=IzaSyAvj6XNNPO8YPFbkVR8KcTl5LK1ByRHG1E&sensor=false"> </script> <script type="text/javascript"> var map; // lets define some vars to make things easier later var kml = { a: { name: "Productores", url: "https://maps.google.hn/maps/ms?authuser=0&vps=2&hl=es&ie=UTF8&msa=0&output=kml&msid=200984447026903306654.0004c934a224eca7c3ad4" } // keep adding more if you like }; // initialize our goo function initializeMap() { var options = { center: new google.maps.LatLng(13.324182,-87.080071), zoom: 8, mapTypeId: google.maps.MapTypeId.TERRAIN } map = new google.maps.Map(document.getElementById("map_canvas"), options); createTogglers(); }; google.maps.event.addDomListener(window, 'load', initializeMap); // the important function... kml[id].xxxxx refers back to the top function toggleKML(checked, id) { if (checked) { var layer = new google.maps.KmlLayer(kml[id].url, { preserveViewport: true, suppressInfoWindows: true }); // store kml as obj kml[id].obj = layer; kml[id].obj.setMap(map); } else { kml[id].obj.setMap(null); delete kml[id].obj; } }; // create the controls dynamically because it's easier, really function createTogglers() { var html = "<form><ul>"; for (var prop in kml) { html += "<li id=\"selector-" + prop + "\"><input type='checkbox' id='" + prop + "'" + " onclick='highlight(this,\"selector-" + prop + "\"); toggleKML(this.checked, this.id)' \/>" + kml[prop].name + "<\/li>"; } html += "<li class='control'><a href='#' onclick='removeAll();return false;'>" + "Remove all layers<\/a><\/li>" + "<\/ul><\/form>"; document.getElementById("toggle_box").innerHTML = html; }; function removeAll() { for (var prop in kml) { if (kml[prop].obj) { kml[prop].obj.setMap(null); delete kml[prop].obj; } } }; // Append Class on Select function highlight(box, listitem) { var selected = 'selected'; var normal = 'normal'; document.getElementById(listitem).className = (box.checked ? selected: normal); }; </script> <style type="text/css"> .selected { font-weight: bold; } </style> </head> <body> <div id="map_canvas" style="width: 50%; height: 200px;"></div> <div id="toggle_box" style="position: absolute; top: 200px; right: 1000px; padding: 20px; background: #fff; z-index: 5; "></div> </body> </html>

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  • Floodfill with "layers"

    - by user146780
    What I want is to create a vector drawing program with layers, but to avoid using transparency / opacity, I want to draw each shape from lowest layer to highest layer onto a single bitmap. For the filling, I want to floodfill the shape. My issue is that, if I have a shape that is drawn then floodfilled, then the next shape overlaps it a bit and that new shape's border is the same as the other one's then floodfill will only partially fill it. Is there a way given a shape's coordinates that I can find the actual bounds for floodfill rather than use a target color? Thanks

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  • OpenLayers, Layers: Tiled vs. single tile

    - by Chau
    Each time we add a new layer to our OpenLayers based website (data provided primarily by a GeoServer server), we discuss whether to use a single-tile or a tiled approach. Some of the parameters we evaluate are the following: Using the tiled approach we get: Slow but continuous buildup of the viewport Lots of small images Client side caching possibilities Blocking of the loading pipeline (6 requests at a time) Jerky feeling when navigating during load Using the single-tile approach we get: Smoother feeling when navigating during load Time delay before layer is loaded One large image for each layer No caching of the single tile We have a lot of data editing in the layers, thus a tile-cache might not be that efficient. Are there any best-practices when it comes to tiling? Progressing towards infinitely fast hardware and unlimited data connections, the discussion becomes irrelevant, but what configuration do you percieve as the most user-pleasing?

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  • Good way to make Authentication and Authorization information available between application layers

    - by DutrowLLC
    I have a web application running on Google App Engine (GAE) for JAVA. I'm authenticating the client at the Servlet layer but would like to make the client information available to my business and data layers without having to pass the client object through the arguments of every single function. I'm considering setting up a "session" type object using ThreadLocal. That way any function can just say something like: CurrentUser.getRoles(); Is this a good way to do this or is there something else that is a more accepted solution? Thanks!

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  • ASP.Net Layered app - Share Entity Data Model amongst layers

    - by Chris Klepeis
    How can I share the auto-generated entity data model (generated object classes) amongst all layers of my C# web app whilst only granting query access in the data layer? This uses the typical 3 layer approach: data, business, presentation. My data layer returns an IEnumerable<T> to my business layer, but I cannot return type T to the presentation layer because I do not want the presentation layer to know of the existence of the data layer - which is where the entity framework auto-generated my classes. It was recommended to have a seperate layer with just the data model, but I'm unsure how to seperate the data model from the query functionality the entity framework provides.

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  • Rotate a feature Image in Open Layers

    - by Ozaki
    I have an open layers map. It adds and removes my "imageFeature" every 10secs or so. I have a JSON feed that gives me the rotation that I need, I have a request to get that rotation and set it as a variable of rotationv. Everything works but the fact when the image is recreated it does not update the rotation. My code is as follows: JSON request: var rotationv = (function () { rotationv = null; $.ajax({ 'async': false, 'global': true, 'url': urldefault, 'dataType': "json", 'success': function (data) { rotationv = data.rotation; } }); return rotationv })(); Creating image feature: imageFeature = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(mylon, mylat), { rotation: rotationv } ); The image is set in the styling elsewhere. Why does this not rotate my image?

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  • Layers of Images using UIImageView

    - by Taimur Hamza
    Hi everyone, I just wanted to confirm, is it possible that we add layers of images using UImageView, one as background and other on top of it. I mean i want to use 2 images one has to be in the background and the other on top of it. ( the size of both these images is 320 x 480 ). Through the attributes inspector we cant do it. Is there any we can do it through code. Maybe using subview or something. Thanks Geeks :) Taimur Ajmal

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  • css position question: layers with z-index?

    - by user239831
    hey guys, i have a probably rather simpel problem: my website has two layers: 1) a drag&drop navigation on top which should be positioned absolute, so scrolling doesn't affect the bars. 2) a content area in the back behind the navigation which should be scrollable. you can see what i mean right here: http://jsfiddle.net/Pghqv/ however now, i cannot click links in my content-area in the back. any ideas or solutions how i can still have the same position result and the links in the back are working? thank you very much.

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  • Layers with GDI+

    - by user146780
    I'm thinking of creating a drawing program with layers, and using GDI+ to display them. I want to use GDI+ because it supports transparency. The thing is, drawing lines to the DC is very fast, but drawing directly to a bitmap is very slow. It is only fast if you lock the bits and start setting pixels. Can I draw to multiple DC's in my WM_PAINT event, then just do DrawBitmap for each layer to the MemDC? What's the best way of going about this? Thanks

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  • Positioning Layers and text gradients with css

    - by Kenji Crosland
    I'm a CSS newbie trying to get some text gradients going on. I tried this code here but it didn't work for me, most likely because the h1 object is nested within a #header div. I imagine there's something to do with layers that I don't know about. Either I get a gradent block that is in front of everything or it's not appearing at all. In this particular instance this code makes a big gradient bar appear in front of everything: #header { clear:both; float:left; -moz-background-inline-policy:continuous; -moz-background-origin:padding; background:#080E73 url(../images/header-background.png) repeat-x left 0px; width:100%; max-height: 175px; color: #080E73; } #header h1 { margin-bottom: 0; color: #000; position: relative; } #header h1 span { background:url(../images/headline-text.png) repeat-x; display: block; width: 100%; height: 100%; position: absolute; } Here is the HTML (I'm using ruby on rails hence the notation) <div id="header"> <% unless flash[:notice].blank? %> <div id="notice"><%= flash[:notice] %></div> <% end %> <%= image_tag ("header-image.png") %> <h1><span></span>Headline</h1> <strong>Byline</strong> ... #navbar html... </div> I tried playing with z-index but I couldn't come up with any good results. Any ideas?

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  • Two DIV layers: resize top DIV based on dynamic height of bottom DIV

    - by user1650713
    I have two DIV layers, one above the other. In the top DIV, there is an image, and in the bottom DIV, there is a block of text. The amount of text in the bottom DIV will change, thus increasing and decreasing the required height. I need to dynamically decrease the height of the image in the top DIV based on how much height is required for the bottom. I have exactly 600px vertical space available. For example: If the bottom DIV requires 200px height, I need for the image to change height to 400px. If the bottom DIV requires 300px height, I need for the image to change height to 300px. I know that I can make the image height 100% of the top DIV, thus allowing it to expand or contract as needed. The issue is that I need for the bottom DIV to be able to expand freely and for the top DIV to react accordingly. In other words, I cannot have either be a fixed height. <div id="topdiv"> <img src="example.png" alt="This image needs a height based on the bottom div" /> </div> <div id="bottomdiv"> This text needs to be able to expand or contract freely </div> Can anyone help?

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  • JFrame that has multiple layers

    - by phunehehe
    Hello, I have a window that has two layers: a static background and a foreground that contains moving objects. My idea is to draw the background just once (because it's not going to change), so I make the changing panel transparent and add it on top of the static background. Here is the code for this: public static void main(String[] args) { JPanel changingPanel = new JPanel() { @Override public void paintComponent(Graphics g) { super.paintComponent(g); g.setColor(Color.RED); g.fillRect(100, 100, 100, 100); } }; changingPanel.setOpaque(false); JPanel staticPanel = new JPanel(); staticPanel.setBackground(Color.BLUE); staticPanel.setLayout(new BorderLayout()); staticPanel.add(changingPanel); JFrame frame = new JFrame(); frame.add(staticPanel); frame.setSize(800, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } This piece of code gives me the correct image I want, but every time I repaint changingPanel, staticPanel gets repainted as well (which is obviously against the whole idea of painting the static panel just once). Can somebody show me what's wrong? FYI I am using the javax.swing.Timer to recalculate and repaint the changing panel 24 times every second.

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  • (illustrator scripting) how to release objects to layers(sequence) but retain object's name?

    - by Eugene
    Hi, I've asked the same question to adobe scripting forum. but seems there are not many forum users there, and I'm asking the same question here. I was writing my first illustrator script to export all layers to png files with layer structure converted to file structure. I found there are many layers that my script can't detect and found out that they are not actually layers but objects(or groups). Found a layer menu (release to layers), but doesn't quite solve the problem perfectly. initially I have this layer 001 object 01 object 1 object 2 release to layers(sequence) on object 01 gives layer 001 layer 91(whatever the layer number illustrator gives when release to layers are performed) layer 92 object 1 layer 93 object 2 now I need to convert them to (so that layer can retain the name of the object) layer 001 layer 01 layer 1 object 1 layer 2 object 2 I have hundreds of layer 001, and couple thousands of object 01, and wonder if anything can be done with script to do this... If it's possible to detect object in a script, I could rewrite the 'release to layers' functionality in script maybe. Any help would be greatly appreciated.

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