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• Is there a quick way to convert camera raw files to DNG?

  - by dericke

  Before I switched from Windows to Ubuntu for my daily computing, I used Adobe's Photoshop Lightroom for processing photos from my DSLR. Adobe made it really straightforward to convert from proprietary camera raw files (in my case, .NEF) to DNG. I haven't found any way to convert NEF to DNG in Ubuntu yet. Most photography programs do process NEFs to JPG/TIFF/PNG/etc., but I'm looking for a converter for archival purposes. Are there any tools available, either standalone or built into another app, that can losslessly convert from NEF to DNG?

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• Connection timeout in java?

  - by mabuzer

  Is there any way to fire an event if HttpURLConnection has timeout before complete?

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• Swing Timer in Conjunction with Possible Long-running Background Task

  - by javacavaj

  I need to perform a task repeatedly that affects both GUI-related and non GUI-related objects. One caveat is that no action should performed if the previous task had not completed when the next timer event is fired. My initial thoughts are to use a SwingTimer in conjunction with a javax.swing.SwingWorker object. The general setup would look like this. class { timer = new Timer(speed, this); timer.start(); public void actionPerformed(ActionEvent e) { SwingWorker worker = new SwingWorker() { @Override public ImageIcon[] doInBackground() { // potential long running task } @Override public void done() { // update GUI on event dispatch thread when complete } } } Some potential issues I see with this approach are: 1) Multiple SwingWorkers will be active if a worker has not completed before the next ActionEvent is fired by the timer. 2) A SwingWorker is only designed to be executed once, so holding a reference to the worker and reusing (is not?) a viable option. Is there a better way to achieve this?

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• Get original element using .on

  - by RGraham

  When using jQuery's event delegation, is there a way to retrieve the element on which .on was called, as well as the element on which the event was called? jQuery: $(".item").on("click","a",function() { var link = $(this); // a tag var itemDiv = // what? }); HTML: <div class="item"> <a href="#">Link</a> <a href="#">Link</a> <a href="#">Link</a> <a href="#">Link</a> </div>

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• Architecture for dashbaord showing aggregated stats

  - by soulnafein

  I'm trying to find the best architecture for an application that shows a dashboard with aggregated stats that come from another one (e.g. number of sales in the last 12 months, current sales this month, a fairly complex score, performance of users over last 30 days, etc.) There is a fair bit of business logic that lives in Application 1 but the aggregated data gets saved in Application 2 (dashboard). What's the best way to create the aggregate data? 1) Pull data directly from Application 1 database and duplicate business logic for score calculation etc. 2) Push data from Application 1 to Application 2 somehow 3) Aggregate data in Application 1 on the fly and provide and api for Application 2 4) Other (probably) Please suggest solutions, Thanks.

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• How to make a cell of TAdvStringGrid editable?

  - by ammu

  I am trying to implement a filter using the component TAdvStringGrid. My requirement is that I want the first row of this component to be editable when double clicked, so that the user can filter data. Borland C++ Builder is used to help achieve this task. I found this event OnCanEditCell. TCanEditCellEvent = procedure (Sender:TObject;Arow,Acol:longint;var canedit:boolean) of object; Within this function I've set canedit = true. This doesn't seem to work. Probably I need to do something more. I am new to Windows and GUI development. So any help would be great. Do I need to call this function from the OnDblClickCell event? How can I get it working? Thanks in advance

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• FRM-40654 Error on Purchase Order Lines?? Stop 'em Now by Applying Patch 14204845

  - by user793553

  Procurement Development has just released a new patch for Release 12 that will stop those annoying FRM-40654 errors on Purchase Order lines, before they occur. When a Purchase Order (PO) is created through autocreate from a requisition line that accidently has blank spaces, this triggers a row lock and when the user tries to update the created PO the FRM-40654 error message ‘Record has been updated. Requery block to see the change’ occurs. Development has added code to remove these leading or trailing spaces, thus avoiding the issue in the first place.  This patch has been added to the recommend patch list in Doc ID 1358356.1 'Recommended Patches for Purchase Order and Requisition Processing'.  Be proactive and apply Patch 14204845:R12.PO.B now!

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• Is it better to concentrate on one or two research projects throughout undergrad?

  - by AruniRC

  Currently in the 4th semester of engineering in an Indian university. The thing is - is it better to do as many short-lived projects/research work on diverse topics of computer science or stick to one/two projects consistently throughout my undergraduate years? Case in point: currently working on an image-processing project that promises to carry on for a year or so (as per the prof). Does this seem like being over-specialized at too early a level? Although taking on too many things will spread me out thin and in all probability not end up getting any meaningful work done. Especially as I hope to apply for grad school in the US. Would really appreciate any views and suggestions on this.

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• AS3 for an animated button

  - by Jenya

  I need help with AS3 for an animated button. The button (movie clip) I've created starts playing on a mouse-over but stops immediately when a mouse-out event occurs. But I want the button to finish the loop cycle before stopping the animation and play the animation on the next mouse-over from frame 1. This is the code I have so far: stop(); bt.addEventListener(MouseEvent.MOUSE_OVER,onMouseOver); function onMouseOver(event:MouseEvent):void { gotoAndPlay(1); } Thanks in advance, Jenya

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• How to use traceit to report function input variables in stack trace

  - by reckoner

  Hi, I've been using the following code to trace the execution of my programs: import sys import linecache import random def traceit(frame, event, arg): if event == "line": lineno = frame.f_lineno filename = frame.f_globals["__file__"] if filename == "<stdin>": filename = "traceit.py" if (filename.endswith(".pyc") or filename.endswith(".pyo")): filename = filename[:-1] name = frame.f_globals["__name__"] line = linecache.getline(filename, lineno) print "%s:%s:%s: %s" % (name, lineno,frame.f_code.co_name , line.rstrip()) return traceit def main(): print "In main" for i in range(5): print i, random.randrange(0, 10) print "Done." sys.settrace(traceit) main() Using this code, or something like it, is it possible to report the values of certain function arguments? In other words, the above code tells me "which" functions were called and I would like to know "what" the corresponding values of the input variables for those function calls. Thanks in advance.

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• READ_ME_FIRST: What Do I Do All of Those SPARC Threads?

  - by user12608550

  New Oracle Technical White Paper: READ_ME_FIRST: What Do I Do All of Those SPARC Threads? Executive Overview With an amazing 1,536 threads in an Oracle M5-32 system, the number of threads in a single system has never been so high. This offers a tremendous processing capacity, but one may wonder how to make optimal use of all these resources. In this technical white paper, we explain how the heavily threaded Oracle T5 and M5 servers can be deployed to efficiently consolidate and manage workloads using virtualization through Oracle Solaris Zones, Oracle VM Server for SPARC, and Oracle Enterprise Manager Ops Center, as well as how to improve the performance of a single application through multi-threading. READ_ME_FIRST: What Do I Do All of Those SPARC Threads?

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• Keyword Generator Tool Gets Your Ahead of the Competition

  A keyword generator tool provides ideas that website owners and search engine optimizers use for site and engine optimization. Key phrase generators rely on search query popularity from introductory keywords to a more complex keyword search management to drive more traffic to a website. It maximizes prospective and potential high-traffic keywords and integrates it with your sites campaign techniques. Keyword generator tool allows you to manage and add "exact match" and "phrase match" keywords to your lists, also allows you to create misspellings, combine and reverse keywords then automatically calculates the ad group focus score of your keyword lists.

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• capturing click events on web-browser scrollbars

  - by The Code Pimp

  Hi, is it possible to capture a click event on a scrollbar? I have some code where i am observing the click and mousedown events on the document. However, it seems that when I click on the scrollbar, the event is not captured. This leads me to believe that the scrollbars aren't really part of the document. (Assumption :-)) Is this a correct assumption? What is the right way to do this so that the behaviour is consistent across all major browsers? sample code document.observe('click', function(evt){ //do something //blah blah blah }); Thanks

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• Question about when and when not to raise events (C#)

  - by NoPyGod

  I am programming an instant messaging library for MSN Messenger, and I have a simple question about raising events. When logging in, should I be raising UserAdded for each user that is synchronized (already on the contact list), or should the UserAdded event be reserved for when a new user has been added to the contact list via the AddUser method? Should I perhaps use another event, UserDownloaded for when a user is downloaded? Similarly, when I call logout, should I call UserRemoved? I hope this makes sense. Thank you

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• RTOS experience

  - by Subbu

  I have been working as an embedded software engineer on mostly 8 bit micro-controller firmware and desktop/mobile applications development for the past five years. My work on a WinCE project (in which I got introduced to .NET CF) was short lived. I did use core APIs for interrupt processing, peripheral communication, etc...but again, not exactly a pure RTOS environment. In order to get together more solid experience for growing more in the embedded field, I want to work more with RTOSes. Will buying an evaluation board with an RTOS and putting together a project at home be regarded as a good experience or will an online course be more useful? I am just not clear as to what will be regarded as good experience. Any suggestions or directions will greatly help me. I have a passion for the field but just a need a point in the right direction.

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• Learn about CRM and CX at Oracle Days 2012

  - by Richard Lefebvre

  Oracle Day 2012 features learning tracks and sessions tailored for accelerating your business in today’s environment. Oracle simplifies IT by investing in best-of-breed technologies at every layer of the technology stack and engineering them to work together so you can focus on driving your business forward. Throughout its history, Oracle has proved it can address the most complex IT challenges and solve the business problems of our customers. Discover Oracle’s strategy for powering innovation in the areas of Cloud, Social, Mobile, Business Operations, Data Center Optimization, Big Data and Analytics. Oracle Day 2012: Tracks     Engine for Growth: The business for optimized data center Powering innovation for your enterprise applications Architect your cloud: A blueprint for Cloud builders See more, Act faster: powering innovation with analytics Business operations: Powering business innovation Customer Experience: Empowering people, powering brands Check out the agenda at local even for more details

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• WPF - How do I style a row based on a binding property value?

  - by Nick

  Hey! So I am trying to bind a collection of objects (IList<) to a WPF datagrid. I would like to make the row background a different color if the 'artist' property is null or empty. I am checking the value stored at the property on the LoadingRow datagrid event. Currently my implementation seems to style all of the rows with an empty or null 'artist' property correctly. The problem is that is also styles the rows where the property is not null or empty in some cases. So some rows are given the red background even though the rows 'artist' property is not null. Can anyone tell me why this could be?? Here is the LoadingRow event: private void trackGrid_LoadingRow(object sender, DataGridRowEventArgs e) { Track t = e.Row.DataContext as Track; if (String.IsNullOrEmpty(t.Artist)) { e.Row.Background = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 125, 125)); } }

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• Google I/O 2012 - The Web Platform's Cutting Edge

  Google I/O 2012 - The Web Platform's Cutting Edge Dimitri Glazkov, Alex Komoroske From embeds to widgets to managing complex applications, you constantly face the need for better componentization as a web developer. Many-a-lines of JavaScript have been written to alleviate this problem -- poorly. But help is on the way. The web platform is gaining a powerful new set of capabilities designed to better help you build robust, reusable, and packageable components. We'll cover what they do, their status, and how you can start playing with these powerful emerging technologies today. Most importantly, we'll show you how to get involved and help influence their direction as they mature. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 2795 48 ratings Time: 47:45 More in Science & Technology

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• VB.net Enter Key

  - by Andrew

  I was given the following pseudo code in order to get the form that has focus and only allow the form I want to be submitted: <script> var currentForm = document.forms[0];</script> <form ...><input onfocus="currentForm = this.form;"/></form> <form ...><input onfocus="currentForm = this.form;"/></form> function globalKeyPressed(event) { if (event.keyCode == ENTER) { // This is pseudo-code, check how to really do it currentForm.submit(); } } How would I do this for VB.net because VB.net doesn't accept System.Windows.Forms.KeyPressEventArgs. I also wanted to add that I can't have multiple forms on my website as it disrupts the loginview. So my 2 seperate 'forms' are really just a loginview and then an asp:textbox and asp:button by themselves without a form.

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• Developing Functional Specifications based on the UML Model

  A few days ago I found this white paper I did around 2004 way before I started really blogging:The Process OverviewUse-case to Specifications is a processing using UML use-cases to identify user requirements and model systems to be able to properly define functionality. This document is intended to serve as an execution based walk-through of this process.As background: The Unified Modeling Language (UML) is a language for specifying, visualizing, constructing, and documenting the artifacts of software...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How to always return a set number of records when using find_related_tags with acts-as-taggable-on

  - by hadees

  I'm using the acts-as-taggable-on gem and I need to use find_related_tags on my survey model to get back 3 surveys every time. In the event there aren't always 3 related I need to pick how ever many are related plus some random ones to get to 3. Additionally I have a method I wrote called completed_survey_ids which return an array of survey_ids that shouldn't be used because the user has already completed them. Also there is a rare case that there won't be enough surveys because the user has completed them all so in that event it is okay to return less surveys then requested. I did write a named_scope to handle getting rid of the completed_survey_ids that I think works named_scope :not, lambda { |survey_ids| {:conditions => "id NOT IN (#{survey_ids.join(',')})" } }

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• Database Insider - June 2014 issue now available

  - by Javier Puerta

  The June issue of the Database Insider newsletter is now available. (Full newsletter here) NEWS June 10: Oracle CEO Larry Ellison Live on the Future of Database Performance At a live webcast on June 10 at Oracle’s headquarters, Oracle CEO Larry Ellison is expected to announce the upcoming availability of Oracle Database In-Memory, which dramatically accelerates business decision-making by processing analytical queries in memory without requiring any changes to existing applications.Read More New Study Confirms Capital Expenditure Savings with Oracle Multitenant A new study finds that Oracle Multitenant, an option of Oracle Database 12c, drives significant savings in capital expenditures by enabling the consolidation of a large number of databases on the same number or fewer hardware resources.  Read More Read full newsletter here

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• Django Generating RSS feed with description

  - by Issy

  Hey Guys, I am trying to generate a full rss feed, however when loading the feed in Mail, it just shows the title, with a read more link at the bottom. I have tried several different options. But none seem to work. I would like to generate the feed with a combination of several feeds in my modl. Here is the code i have tried: class LatestEvents(Feed): description_template = "events_description.html" def title(self): return "%s Events" % SITE.name def link(self): return '/events/' def items(self): events = list(Event.objects.all().order_by('-published_date')[:5]) return events author_name = 'Latest Events' def item_pubdate(self, item): return item.published_date And in my template which is stored in TEMPLATE_ROOT/feeds/ {{ obj.description|safe }} <h1>Event Location Details</h1> {{ obj.location|safe }} Even if i hard code the description it does not work.

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• Are VM-based languages becoming viable for Graphics since the move to GPU computing?

  - by skiwi

  Perhaps the title is not the most clear, so let me elaborate it more: I am talking about VM-based languages, by that I mean languages that run on the JVM (java) and for example C#. Also I am talking about 3D graphics, just to be clear. Lately the trend has been that most computing is being done on the GPU and not on the CPU, and since times the issue with programming games on a VM-based language is that garbage collecting may happen randomly. So let's take a look which is responsible for what: Showing the graphics: GPU Uploading graphics to the GPU: CPU? Needs to be done every frame? Calculating physics constraints: GPU Doing the real game logic (Determining when to move objects (independent of physics calculations), processing AI): CPU Is my list actually correct? And if it is, is for example Java becoming more viable? Or is uploading the graphics (vertices) still the most expensive operation? Would like to get more insight into this.

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• Run a javascript function on script load

  - by user188870

  I am using jQuery. I keep all of my function definitions wrapped in the $(document).ready event in application.js. I have a function from it that I would like to call somewhere in the body of the page I am working on. I was wondering if there is some alternative to the .ready event that will work on a script load. Ideally I would like to do something like: $('application.js').ready( call function ); In the jQuery documentation it only mentions the $(document).ready call but I was wondering if this can be altered or if there is some plain javascript alternative.

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