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• Writing a Data Access Layer (DAL) for SQL Server

  In this tip, I am going to show you how you can create a Data Access Layer (to store, retrieve and manage data in relational database) in ADO .NET. I will show how you can make it data provider independent, so that you don't have to re-write your data access layer if the data storage source changes and also you can reuse it in other applications that you develop. Free trial of SQL Backup™“SQL Backup was able to cut down my backup time significantly AND achieved a 90% compression at the same time!” Joe Cheng. Download a free trial now.

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• GMail API for a small app (Rails? Javascript? PHP?)

  - by kurtybot

  I want to create an app that accesses the GMail API, but I'm finding that it isn't as simple as I thought it might be. I'm hoping somebody in the community here might have some experience working with one of these API's and could not only recommend the right solution, but also show me to some tutorials or examples that could help me get up and running. Here are some of the requirements of this app: Preferably in Rails or Javascript or even PHP. I am open to other technologies as well, but hope they'd be easy to implement. Connects to gmail via Oauth Can read who emails have been sent to and received from. Basically would like to perform some analytics on who emails are sent to, when and how frequently. I've read that one reason why this isn't easy, and why there isn't an official javascript API provided by gmail, is that google is concerned it's going to make their service less performant for their users.

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• Partner Milestones

  - by Kristin Rose

  Ahhh the joys of success especially during graduation time…It’s the same joy we feel when one of our partners reaches an Oracle milestone. After all, we want to help partners gain maximum exposure for their hard work and achievements. How you ask? Through streamlined press releases and social media exposure of course! So whether you just completed a Specialization or an Oracle Exastack program achievement, we want to help you share that news  both near and far. Be sure to check out the key PR assets that are available to you, which include: Easy to follow guidelines to help you create and promote your OPN successes – as well as how to submit your press release to Oracle for review OPN press release templates to help develop your announcements OPN’s social media outlets where you can further promote and share your news Contact information for your global Oracle Partner PR representatives Take advantage of these invaluable resources and “Go Get ‘Em,”The OPN Communications Team

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• reading parameters and files on browser, looking how to execute on server

  - by jbcolmenares

  I have a site done in Rails, which uses javascript to load files and generate forms for the user to input certain information. Those files and parameters are then to be used in a fortran code on the server. When the UI was on the server (using Qt), I would create a parameters file and execute the fortran code using threads so I wouldn't block the computer. Now that is web-based, I need to make the server and browser talk. What's the procedure for that? where should I start looking? I'm already using rails + javascript. I need that extra tool to do the talking, and no idea where to start.

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• XNA Octree with batching

  - by Alex

  I'm integrating batching in my engine. However I'm using an octree which is auto generated around my scene. Now batching renders a hole group at ones while an octree sorts out which objects that should be rendered within the camera frustum, therefore dividing the group. Batching and octree doesn't go along very well, right? Problem: The way I see it I have two options, either create batch groups based on objects who are close to one another within the octree or I can rebuild the batching matrixbuffer for the instances visible each frame. Which approach should I go with or does there exist another solution?

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• Multiple weapons for android game

  - by Z3r0

  I am trying to make a 3D game for android using the Rajawali engine to render the 3D graphics and blender for designing my models(exporting as .md2), and I want my character to be able to change weapons, armor, helm, etc. Rendering every possible animation would be too much: if I had 10 different weapons, 10 armor and 10 helm, I would have to create 1000 animations with every possible equipment and if I add boots to list it would be even worse. I read somewhere you can use bones for this; but in Android, I only get the object itself to work with. Does anyone has an idea how i can solve this? If I make the weapon a different object how do I parent it to my models in my game?

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• Google I/O 2010 - GWT Linkers target HTML5 WebWorkers & more

  Google I/O 2010 - GWT Linkers target HTML5 WebWorkers & more Google I/O 2010 - GWT Linkers target HTML5 Web Workers, Chrome Extensions, and more GWT 301 Matt Mastracci At its core GWT has a well-defined and customizable mechanism -- called Linkers -- that controls exactly how GWT's compiled JavaScript should be packaged, served, and run. This session will describe how to create linkers and explains some of the linkers we've created, including a linker that turns a GWT module into an HTML5 Web Worker and one that generates an HTML App Cache manifest automatically. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 6 1 ratings Time: 59:59 More in Science & Technology

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• Unity3D 3.5 pro - Moving the camera vs setting draw distance

  - by stoicfury

  I move the camera mostly via right-click + WASD, sometimes with [shift] if I want it to move faster. Occasionally, instead of moving my camera, it alters the draw distance / FOV / some visual aspect of the editing scene that causes trees and other object to disappear when I scroll enough, and eventually even the terrain starts disappearing. It is not m "zooming out". My camera does not move, the width and height of the FOV stays the same (one might say the depth is being altered though). What key am I hitting to cause this to happen, and is it possible to disable it? side note: "keybinds" is probably the most spot-on tag for this question but it doesn't exist (surprisingly) and I lack the rep to create it.

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• General usage question of vbo

  - by CSharpie

  Firstofall, I am sorry if my question is to broad. I am developing a tile based game and switched from those gl.Begin calls to using VBOs. This is kind of working allready, I managed to render a hexagonal polygon with a simple shader applied. What I am not sure is, how to implement the "whole" tile concept. Concrete the questions are: - Is it better to create 1 VBO for a single tile and render it n-Times in every different position, or render one huge VBO that represents the whole "world" - Depending on the answer above, what is the best way to draw a "linegrid". Overlay with the same vbo using the respecting polygon.mode , or is there a way to let the shader to this? - How would frustum-culling or mousepicking work then, do i need to keep the VBO-data in memory?

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• Should Scala IDE Worksheets be part of your open git repository?

  - by JacobusR

  Those familiar with Scala IDE will know about the great testing environment offered by the Scala Worksheet. You can scribble and scratch, much like in the REPL, but with all the goodness added by the IDE as a whole (refactoring, saving, error checking, etc). When you create a worksheet, it is created with the .sc extension, and also creates a artifact under a hidden directory called .worksheet. This is all fine and dandy, but should one include these in your public .git repositories? People who does not use Scala IDE (or older versions) may find these files confusing. On the other hand, making some of your experiments public to developers who are using Scala IDE, may give them a quick start into experimenting and learning the project.

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• Installing a directory with a Debian Package

  - by Meisie

  Hi guys I want to create a Debian Package that installs a bunch of Folders to a system but I can't get it working. The Package gets created without any errors and lintian also says it's okay but installing does nothing. The rules file looks like this: <#>!/usr/bin/make -f logs = $(CURDIR)/shell_logs/ DEST1 = /opt/Pacetutor/ build: build-stamp build-stamp: dh_testdir touch build-stam clean: dh_testdir dh_testroot rm -f build-stamp dh_clean install: build clean $(logs) dh_testdir dh_testroot dh_prep dh_installdirs mkdir -m 755 -p $(DEST1) <- this is propably optional or not needed -> cp -r $(logs) $(DEST1) <- using mv works but thats not what I want. -> binary-indep: build install dh_testdir dh_testroot dh_installchangelogs dh_installdocs dh_installexamples dh_installman dh_link dh_compress dh_fixperms dh_installdeb dh_gencontrol dh_md5sums dh_builddeb binary-arch: build install binary: binary-indep binary-arch .PHONY: build clean binary-indep binary-arch binary install

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• One man software developer product success stories? [on hold]

  - by EugeneKr

  I've got a bad feeling that this question is not appropriate here.. Hopefully you can point me to the right place to ask such a thing (not google though, been there). I want to create my own product, but for some reason have no ideas, so decided to see what people have already done. I would like to start by myself too. I don't mind expanding, but at later stages when it is absolutely necessary. Anyway, to give you an example. There is a guy who created bingo card generation software, then somebody made a wedding planner software and they seem to be doing pretty fine. I would like to know more such cases to draw inspiration from. Do you know such people or maybe you are one of them? Also, if there are places on the net where they dwell, don't hesitate to tell me :) Thanks!

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• How can I make zaz save its profile data?

  - by RolandiXor - The Ice Man

  I've been playing Zaz recently as a time waster and stress beater, but it seems not to be actively maintained, and is not saving profile data under Ubuntu 12.10. It's getting to be more stressful than fun, because it keeps crashing, and under Unity, Gnome Shell, KDE (in other words, any opengl enabled WM) it makes the GPU lockup. How can I make it save the profile data or create a profile that I can manually place my level info in? I'm tired of playing the same levels over and over and not being able to start from the ones I've already passed. I am still yet to find any info on fixing this. Any clues?

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• "MOZILLA_FIVE_HOME not set" zekr quran study software java error

  - by Acess Denied

  I have installed zekr Quran study software on ubuntu 12.04 and I upgraded to 12.10. then the zekr app has been giving me this error when ever I start it. org.eclipse.swt.SWTError: No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)] at org.eclipse.swt.SWT.error(SWT.java:4387) at org.eclipse.swt.browser.Mozilla.initMozilla(Mozilla.java:1939) at org.eclipse.swt.browser.Mozilla.create(Mozilla.java:699) at org.eclipse.swt.browser.Browser.<init>(Browser.java:99) at net.sf.zekr.ui.QuranForm.makeFrame(QuranForm.java:628) at net.sf.zekr.ui.QuranForm.init(QuranForm.java:340) at net.sf.zekr.ui.QuranForm.<init>(QuranForm.java:319) at net.sf.zekr.ZekrMain.startZekr(ZekrMain.java:51) at net.sf.zekr.ZekrMain.main(ZekrMain.java:94) Please Advice me

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• How should I implement the repository pattern for complex object models?

  - by Eric Falsken

  Our data model has almost 200 classes that can be separated out into about a dozen functional areas. It would have been nice to use domains, but the separation isn't that clean and we can't change it. We're redesigning our DAL to use Entity Framework and most of the recommendations that I've seen suggest using a Repository pattern. However, none of the samples really deal with complex object models. Some implementations that I've found suggest the use of a repository-per-entity. This seems ridiculous and un-maintainable for large, complex models. Is it really necessary to create a UnitOfWork for each operation, and a Repository for each entity? I could end up with thousands of classes. I know this is unreasonable, but I've found very little guidance implementing Repository, Unit Of Work, and Entity Framework over complex models and realistic business applications.

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• C# ComboBox SelectedItem [closed]

  - by Diane

  I have a combobox with a list of values. I would like the selected index to be a value from the database. I first create the combobox, fill it with values from a dataset like this: ComboBox cmb_Relay = new ComboBox(); cmb_Relay.DataSource = ds2.Tables[0]; cmb_Relay.DisplayMember = "Relay"; cmb_Relay.ValueMember = "Relay"; Next, I set the SelectedIndex to the value of a specific field value: cmb_Relay.SelectedItem = ds2.Tables[0].Rows[j][2]; I get the follwing error: InvalidArgument=Value of '3' is not valid for 'SelectedIndex'. Parameter name: SelectedIndex

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• inserting or updating values into null textboxes [closed]

  - by tanya

  this is my sql table structure create table cottonpurchase ( slipNo int null, purchasedate datetime, farmercode int , farmername varchar (100), villagename varchar (100), basicprice int null, premium int null, totalamountpaid int null, weight int null, totalamountbasic int null, totalamountpremium int null, Yeildestimates int null ) I want to fill in the null values in my sql with actual values and not leave them null but I want to do that from my winforms app form! But if I do that it just adds a new record when what I want is for it to update the record which has, for example, farmercode = 2, farmername = blaah, and so on. I also want to enter this in the same records as in farmercode = 2 and the corresponding corresponding basic price = ... , everytime i do it it ends up making a new record and not in the existing one.

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• Dynamic quicklist: how to reference to .desktop file? (installed in /opt)

  - by Nick Lemaire

  I'm trying to create a dynamic quicklist for an application I'm developing in quickly. This is the line of code I use to try and connect to the .desktop file: self.launcher = Unity.LauncherEntry.get_for_desktop_id("my-app.desktop") For testing purposes, I've found that when using quickly run I should copy the .desktop file to ~/.local/share/applications. When I do this, the quicklist shows up correctly. However, when packaging my app using quickly package --extras, and installing this package, I get a launcher without quicklist. Does this have something to do with my app being installed in /opt? Meaning my desktop file is located somewhere else? Should I use another reference to the desktop file?

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• Help with cron syntax

  - by Randy

  I need to setup a cronjob on my webhost. The documentation for my webapp reads as follows: you will need to create following cronjob: /public_html/cake/console/cake -app /public_html/app master Also, I want any output written to a log file. My hosts documentation says this: You can have cron send an email everytime it runs a command. If you do not want an email to be sent for an individual cron job you can redirect the command's output to /dev/null like this: mycommand /dev/null 2&1 Can someone help me write the cron job? I dont know the syntax at all. Thanks for the help!

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• Architecting persistence (and other internal systems). Interfaces, composition, pure inheritance or centralization?

  - by Vandell

  Suppose that you need to implement persistence, I think that you're generally limited to four options (correct me if I'm wrong, please) Each persistant class: Should implement an interface (IPersistent) Contains a 'persist-me' object that is a specialized object (or class) that's made only to be used the class that contains it. Inherit from Persistent (a base class) Or you can create a gigantic class (or package) called Database and make your persistence logic there. What are the advantages and problems that can come from each of one? In a small (5kloc) and algorithmically (or organisationally) simple app what is probably the best option?

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• Frustrated by the VS2012 'Light' and 'Dark' themes?

  - by ihaynes

  Like me you may be have been frustrated by the lack of colour in VS2012. The flat look, reminicent of the early 'Gem' OS is bad enough, but when the only choices are a washed out white look or the deadly all-black look, it's not an easy product to work with.Fortunately MS themselves seem to have quietly taken notice of this, or at least one of their developers has, and a 'Color Theme Editor' extension has been released. This comes with some much better colour schemes (I'm using the blue one, which is fairly close to VS2010) and also allows you to create and edit themes youself.This extension doesn't come up when you search 'Extensions and Updates' but can be found at http://tinyurl.com/6rhkdejWith this, using VS2012 finally becomes a pleasurable experience.

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• At what point does a good programmer know he is skilled programmer? [closed]

  - by Eritrea

  Possible Duplicate: How Can I Know Whether I Am a Good Programmer? I am just guessing, there is no end to programming, there is always someone who know what you do not know, once you learn it all something evolves out of somewhere, and you have to learn that one. It is a perpetually process eventually. But, at what point can you consider yourself, you are worth much in the programming world? By the amount of your reputation on Stackechange or if you create your own software...? When can you even know?

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• Help with cron syntax

  - by Randy

  I need to setup a cronjob on my webhost. The documentation for my webapp reads as follows: you will need to create following cronjob: /public_html/cake/console/cake -app /public_html/app master Also, I want any output written to a log file. My hosts documentation says this: You can have cron send an email everytime it runs a command. If you do not want an email to be sent for an individual cron job you can redirect the command's output to /dev/null like this: mycommand /dev/null 2&1 Can someone help me write the cron job? I dont know the syntax at all. Thanks for the help!

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• Is there any simple way to access installed programs?

  - by Anentropic

  Just installed Ubuntu for the first time... Is there any simple way to browse installed programs? On Mac there is the Applications top-level folder... here I see Desktop, Documents, Downloads etc but no Apps? That'd be a good idea, no? (is there some way to create this myself?) On Windows there is the Start menu... Here it seems like I have to click the 'Dash Home' and then I can see 'Recent Apps' ... I can search for them (I'd rather not) ...or I can click the ruler/pencil icon at the bottom and see 'Recent Apps' and click to expand 'Installed Apps' ...ok that's all of them - is it possible to get a straight list view instead of the hard-to-scan wrapped rows? Also, is there any way to get rid of the pointless random selection of 'Apps available for download' at the bottom?

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• What technology to use for turn-based game server? [closed]

  - by mekanikus

  If I create a mobile turn-based game which could consist from 2 up to 6 players. I expect the server to support for about hundreds of game. And I aim for something free and not costly technology. What software and hardware recommendation would be enough for me? I've found some game server engine such as photon. But is it too much for a simple game? I'm thinking of using REST technology with F3 PHP server and Mysql. Will it be adequate? Will only one physical server enough? What is the hardware recommendation for the server?

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