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• Game Components, Game Managers and Object Properties

  - by George Duckett

  I'm trying to get my head around component based entity design. My first step was to create various components that could be added to an object. For every component type i had a manager, which would call every component's update function, passing in things like keyboard state etc. as required. The next thing i did was remove the object, and just have each component with an Id. So an object is defined by components having the same Ids. Now, i'm thinking that i don't need a manager for all my components, for example i have a SizeComponent, which just has a Size property). As a result the SizeComponent doesn't have an update method, and the manager's update method does nothing. My first thought was to have an ObjectProperty class which components could query, instead of having them as properties of components. So an object would have a number of ObjectProperty and ObjectComponent. Components would have update logic that queries the object for properties. The manager would manage calling the component's update method. This seems like over-engineering to me, but i don't think i can get rid of the components, because i need a way for the managers to know what objects need what component logic to run (otherwise i'd just remove the component completely and push its update logic into the manager). Is this (having ObjectProperty, ObjectComponent and ComponentManager classes) over-engineering? What would be a good alternative?

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• How will technological singularity affect programmers?

  - by Amir Rezaei

  I'm one of the believers that think that we will hit the technological singularity sooner or later. Then the question is if any profession will be unaffected by changes that will come. In the end it will be we programmers that will implement the first self-aware AI. How will technological singularity affect us programmer? What is your professional opinion regarding technological singularity? EDIT: By self-aware I refer to an entity that questions and seek answers, able to analyze and solve problem. Artificial neural network is branch in mathematics/statistics with many widely used algorithms. The algorithms are applied where recognition of data is needed. For example hidden Markov model is used for voice recognition. Another well-known area is business intelligence and data mining. Today algorithms are self-learning. That is a bit of AI what many never think of. Let an ultraintelligent machine be defined as a machine that can far surpass all the intellectual activities of any man however clever. Since the design of machines is one of these intellectual activities, an ultraintelligent machine could design even better machines; there would then unquestionably be an ‘intelligence explosion,’ and the intelligence of man would be left far behind. Thus the first ultraintelligent machine is the last invention that man need ever make. Link to Ref.

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• How to turn on/off code modules?

  - by Safran Ali

  I am trying to run multiple sites using single code base and code base consist of the following module (i.e. classes) User module Q & A module Faq module and each class works on MVC pattern i.e. it consist of Entity class Helper class (i.e. static class) View (i.e. pages and controls) and let's say I have 2 sites site1.com and site2.com. And I am trying to achieve following functionality site1.com can have User, Q & A and Faq module up and running site2.com can have User and Q & A module live while Faq module is switched off but it can be turned-on if needed, so my query here is what is the best way to achieve such functionality Do I introduce a flag bit that I check on every page and control belonging to that module? It's more like CMS where you can turn on/off different features. I am trying to get my head around it, please provide me with an example or point out if I am taking the wrong approach.

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• Determine whether a link points to a file on local host or foreign domain [migrated]

  - by user107157

  This has been a burning question for me ever since and I think it's interesting enough to discuss it on the forums. As most will know, in websites we include anchor links, stylesheets, script files (javascript) and images. For anchor links we use the form <a href="..." /> For stylesheets we may use the form <link rel="stylesheet" type="text/css" href="..." /> For javascript we may use <script src="..." /> For images we use <img src="..." /> So, the question is this: How do we know that what is in the link pointer (i.e. replacing the ... in each example) is a local file or a foreign entity? To make it clear, lets say I create a local file named "ashish.com". Now, my purpose is to create a link so that anybody who clicks on it may download it. So, my code would be thus: <a href="ashish.com">Download It</a> But this makes it ambiguous. I could also be referring to a website named "ashish.com" So, how does the computer magically know which one I mean? Or does it even know this? What would happen in such a scenario?

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• How do I implement a Bullet Physics CollisionObject that represents my cube like terrain?

  - by Byte56

  I've successfully integrated the Bullet Physics library into my entity/component system. Entities can collide with each other. Now I need to enable them to collide with the terrain, which is finite and cube-like (think InfiniMiner or it's clone Minecraft). I only started using the Bullet Physics library yesterday, so perhaps I'm missing something obvious. So far I've extended the RigidBody class to override the checkCollisionWith(CollisionObject co) function. At the moment it's just a simple check of the origin, not using the other shape. I'll iterate on that later. For now it looks like this: @Override public boolean checkCollideWith(CollisionObject co) { Transform t = new Transform(); co.getWorldTransform(t); if(COLONY.SolidAtPoint(t.origin.x, t.origin.y,t.origin.z)){ return true; } return false; } This works great, as far as detecting when collisions happen. However, this doesn't handle the collision response. It seems that the default collision response is to move the colliding objects outside of each others shapes, possibly their AABBs. At the moment the shape of the terrain is just a box the size of the world. This means the entities that collide with the terrain just shoot away to outside that world size box. So it's clear that I either need to modify the collision response or I need to create a shape that conforms directly to the shape of the terrain. So which option is best and how do I go about implementing it? It should be noted that the terrain is dynamic and frequently modified by the player.

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• Sharing A Stage: JDeveloper/ADF & NetBeans/Java EE 6?

  - by Geertjan

  A highlight for me during last week's Oracle Developer Day in Romania (which I blogged about here) was meeting Jernej Kaše (who is from Slovenia, just like my philosopher hero Slavoj Žižek), who is an Oracle Fusion Middleware evangelist. At the conference, while I was presenting NetBeans and Java EE 6 in one room, Jernej was presenting JDeveloper and ADF in another room. The application he created looks as follows, i.e., a realistic CRUD app, with a master/detail view, a search feature, and validation: In a conversation during a break, we started imagining a scenario where the two of us would be on the same stage, taking turns talking about NetBeans/Java EE and JDeveloper/ADF. In that way, attendees at a conference wouldn't need to choose which of the two topics to attend, because they'd be handled in the same session, with the session possibly being longer so that sufficient time could be spent on the respective technologies. (The JDeveloper/ADF session would then not be competing with the NetBeans/Java EE 6 session, since they'd be handled simultaneously.) The session would focus on the similarities/differences between the two respective tools/solutions, which would be extremely interesting and also unique. The crucial question in making this kind of co-presentation possible is whether (and how quickly) an application such as the one created above with JDeveloper/ADF could be created with NetBeans/Java EE 6. The NetBeans/Java EE 6 story is extremely strong on the model and controler levels, but less strong on the view layer. Though there are choices between using PrimeFaces, RichFaces, and IceFaces, that support is quite limited in the absence of a visual designer or of other specific tools (e.g., code generators to generate snippets of PrimeFaces) connected to JSF component libraries. However, it so happens that in recent months we at NetBeans have established really good connections with the PrimeFaces team (more about that another time). So I asked them what it would take to write the above UI in PrimeFaces. The PrimeFaces team were very helpful. They sent me the following screenshot, which is of the UI they created in PrimeFaces, reproducing the ADF screenshot above: Of course, the above is purely the UI layer, there's no EJB and entity classes and data connection hooked into it yet. However, this is the Facelets file that the PrimeFaces team sent me, i.e., using the PrimeFaces component library, that produces the above result: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:p="http://primefaces.org/ui"> <f:view> <h:head> <style type="text/css"> .alignRight { text-align: right; } .alignLeft { text-align: left; } .alignTop { vertical-align: top; } .ui-validation-required { color: red; font-size: 14px; margin-right: 5px; position: relative; vertical-align: top; } .ui-selectonemenu .ui-selectonemenu-trigger .ui-icon { margin-top: 7px !important; } </style> </h:head> <h:body> <h:form prependId="false" id="form"> <p:panel header="Employees"> <h:panelGrid columns="4" id="searchPanel"> Search <p:selectOneMenu> <f:selectItem itemLabel="FirstName" itemValue="FirstName" /> <f:selectItem itemLabel="LastName" itemValue="LastName" /> <f:selectItem itemLabel="Email" itemValue="Email" /> <f:selectItem itemLabel="PhoneNumber" itemValue="PhoneNumber" /> </p:selectOneMenu> <p:inputText /> <p:commandLink process="searchPanel" update="@form"> <h:graphicImage name="next.gif" library="img" /> </p:commandLink> </h:panelGrid> <h:panelGrid columns="3" columnClasses="alignTop,,alignTop" style="width:90%;margin-left:10%"> <h:panelGrid columns="2" columnClasses="alignRight,alignLeft"> <h:outputLabel for="firstName">FirstName</h:outputLabel> <p:inputText id="firstName" /> <h:outputLabel for="lastName"> <sup class="ui-validation-required">*</sup>LastName </h:outputLabel> <p:inputText id="lastName" style="width:250px;" /> <h:outputLabel for="email"> <sup class="ui-validation-required">*</sup>Email </h:outputLabel> <p:inputText id="email" style="width:250px;" /> <h:outputLabel for="phoneNumber" value="PhoneNumber" /> <p:inputMask id="phoneNumber" mask="999.999.9999" /> <h:outputLabel for="hireDate"> <sup class="ui-validation-required">*</sup>HireDate</h:outputLabel> <p:calendar id="hireDate" pattern="MM/dd/yyyy" showOn="button" /> </h:panelGrid> <p:outputPanel style="min-width:40px;" /> <h:panelGrid columns="2" columnClasses="alignRight,alignLeft"> <h:outputLabel for="jobId"> <sup class="ui-validation-required">*</sup>JobId </h:outputLabel> <p:selectOneMenu id="jobId" > <f:selectItem itemLabel="Administration Vice President" itemValue="Administration Vice President" /> <f:selectItem itemLabel="Vice President" itemValue="Vice President" /> </p:selectOneMenu> <h:outputLabel for="salary">Salary</h:outputLabel> <p:inputText id="salary" styleClass="alignRight" /> <h:outputLabel for="commissionPct">CommissionPct</h:outputLabel> <p:inputText id="commissionPct" style="width:30px;" maxlength="3" /> <h:outputLabel for="manager">ManagerId</h:outputLabel> <p:selectOneMenu id="manager"> <f:selectItem itemLabel="Steven King" itemValue="Steven" /> <f:selectItem itemLabel="Michael Cook" itemValue="Michael" /> <f:selectItem itemLabel="John Benjamin" itemValue="John" /> <f:selectItem itemLabel="Dav Glass" itemValue="Dav" /> </p:selectOneMenu> <h:outputLabel for="department">DepartmentId</h:outputLabel> <p:selectOneMenu id="department"> <f:selectItem itemLabel="90" itemValue="90" /> <f:selectItem itemLabel="80" itemValue="80" /> <f:selectItem itemLabel="70" itemValue="70" /> <f:selectItem itemLabel="60" itemValue="60" /> <f:selectItem itemLabel="50" itemValue="50" /> <f:selectItem itemLabel="40" itemValue="40" /> <f:selectItem itemLabel="30" itemValue="30" /> <f:selectItem itemLabel="20" itemValue="20" /> </p:selectOneMenu> </h:panelGrid> </h:panelGrid> <p:outputPanel id="buttonPanel"> <p:commandButton value="First" process="@this" update="@form" /> <p:commandButton value="Previous" process="@this" update="@form" style="margin-left:15px;" /> <p:commandButton value="Next" process="@this" update="@form" style="margin-left:15px;" /> <p:commandButton value="Last" process="@this" update="@form" style="margin-left:15px;" /> </p:outputPanel> <p:tabView style="margin-top:25px"> <p:tab title="Job History"> <p:dataTable var="history"> <p:column headerText="StartDate"> <h:outputText value="#{history.startDate}"> <f:convertDateTime pattern="MM/dd/yyyy" /> </h:outputText> </p:column> <p:column headerText="EndDate"> <h:outputText value="#{history.endDate}"> <f:convertDateTime pattern="MM/dd/yyyy" /> </h:outputText> </p:column> <p:column headerText="JobId"> <h:outputText value="#{history.jobId}" /> </p:column> <p:column headerText="DepartmentId"> <h:outputText value="#{history.departmentIdId}" /> </p:column> </p:dataTable> </p:tab> </p:tabView> </p:panel> </h:form> </h:body> </f:view> </html> Right now, NetBeans IDE only has code completion to create the above. So there's not much help for creating such a UI right now. I don't believe that a visual designer is mandatory to create the above. A few code generators and file templates could do the job too. And I'm looking forward to seeing those kinds of tools for PrimeFaces, as well as other JSF component libraries, appearing in NetBeans IDE in upcoming releases. A related option would be for the NetBeans generated CRUD app to include the option of having a master/detail view, as well as the option of having a search feature, i.e., the application generators would provide the option of having additional features typical in Java enterprise apps. In the absence of such tools, there still is room, I believe, for NetBeans/Java EE and JDeveloper/ADF sharing a stage at a conference. The above file would have been prepared up front and the presenter would state that fact. The UI layer is only one aspect of a Java EE 6 application, so that the presenter would have ample other features to show (i.e., the entity class generation, the tools for working with servlets, with session beans, etc) prior to getting to the point where the statement would be made: "On the UI layer, I have prepared this Facelets file, which I will now show you can be connected to the lower layers of the application as follows." At that point, the session beans could be hooked into the Facelets file, the file would be saved, the browser refreshed, and then the whole application would work exactly as the ADF application does. So, Jernej, let's share a stage soon!

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• ArchBeat Link-o-Rama for November 21, 2012

  - by Bob Rhubart

  Fault Handling and Prevention - Part 1 | Guido Schmutz and Ronald van Luttikhuizen In this technical article, part one of a four part series, Oracle ACE Directors Guido Schmutz and Ronald van Luttikhuizen guide you through an introduction to fault handling in a service-oriented environment using Oracle SOA Suite and Oracle Service Bus. One Stop Shop for Oracle Webcasts Webcasts can be a great way to get information about Oracle products without having to go cross-eyed reading yet another document off your computer screen. Oracle's new Webcast Center offers selectable filtering to make it easy to get to the information you want. Yes, you have to register to gain access, but that process is quick, and with over 200 webcasts to choose from you know you'll find useful content. Oracle on Oracle: Is that all? (Identity Management)| Darin Pendergraft Darin Pendergraft shares a discussion with Jaime Cardoso aboutthe latter's experience with Oracle's IDM products. What's particularly interesting is that the discussion grew out of Jaime's highly critical comment that Darin missed important pointsabout those products in an earlier interview Chirag Andani. If that ain't social engagement, I don't know what is. I.T. Chargeback : Core to Cloud Computing | Zero to Cloud "While chargeback has existed as a concept for many years (especially in mainframe environments), it is the move to this self-service model that has created a need for a new breed of chargeback applications for cloud," says Mark McGill. "Enabling self-service without some form of chargeback is like opening a shop where all of the goods are free." New Self-paced Online Oracle BPM 11g Developer Training | Dan Atwood Oracle ACE Dan Atwood of Avio Consulting shares a lot of information about a new Oracle BPM 11g Developer Workshop. JPA SQL and Fetching tuning ( EclipseLink ) | Edwin Biemond Oracle ACE Edwin Biemond's post illustrates how to "use the department and employee entity of the HR Oracle demo schema to explain the JPA options you have to control the SQL statements and the JPA relation Fetching." Thought for the Day "Team development is like a birthday cake. Everybody gets a piece." — Assaad Chalhoub Source: SoftwareQuotes.com

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• How to handle people who lie on their resume [closed]

  - by Juliet

  Moderator comment Please note that this is a two year old question that has just been migrated from Stack Overflow. Please take your time to read all the answers and ask yourself "would my answer add anything to this?". I'm conducting technical interviews to fill a few .NET positions. Many of the people I interview really do know .NET pretty well, but I find at least 90% embellish their skillset anywhere between "a little" to "quite drastically". Sometimes they fabricate skills relevant to the position they're applying for, sometimes they don't. Most of the people I interview, even the most egregious liars, are not scam artists. They just want to stand out among the crowd, so they drop a few buzzwords on their resume like "JBoss", "LINQ", "web services", "Django" or whatever just to pad their skillset and stay competitive. (You might wonder if a person that lies about those skills is just bluffing their way through a technical interview. My interviews involve a lot of hands-on coding and problem-solving – people who attempt to bluff will bomb the hands-on coding portion in the first 3 minutes.) These are two open-ended questions, but it would really help me out when I make my recommendations to the hiring managers: Regarding interviewing etiquette, should I attempt to determine whether a person really possesses all of the skills they claim to have? Can I do this without making the candidate feel uncomfortable? Regarding the final decision, should I recommend candidates who are genuinely qualified for the positions they're applying for, even if they've fabricated portions of their skillset?

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• CodePlex Daily Summary for Monday, May 19, 2014

  CodePlex Daily Summary for Monday, May 19, 2014Popular ReleasesLINQ to Twitter: LINQ to Twitter v3.0.3: Supports .NET 4.5x, Windows Phone 8.x, Windows 8.x, Windows Azure, Xamarin.Android, and Xamarin.iOS. New features include Status/Lookup, Mute APIs, and bug fixes. 100% Twitter API v1.1 coverage, Async, Portable Class Library (PCL).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.26.0: Added access to the Release Notes during 'Check for Updates...'' Debug panels Added support for generic types members Members are grouped into 'Raw View' and 'Non-Public members' categories Implemented dedicated (array-like) view for Lists and Dictionaries http://download-codeplex.sec.s-msft.com/Download?ProjectName=csscriptnpp&DownloadId=846498ClosedXML - The easy way to OpenXML: ClosedXML 0.70.0: A lot of fixes. See history.SFDL.NET: SFDL.NET (2.2.9.2): Changelog: Neues Icon Xup.in CnL Plugin BugfixSEToolbox: SEToolbox 01.030.008 Release 1: Fixed cube editor failing to apply color to cubes. Added to cube editor, replace cube dialog, and Build Percent dialog. Corrected for hidden asteroid ore, allowing rare ore to show when importing an asteroid, or converting a 3d model to an asteroid (still appears to be limitations on rare ore in small asteroids). Allowed ore selection to Asteroid file import. (Can copy/import and convert existing asteroid to another ore). Added progress bars to common long running operations. Fixed ...Better Robocopy GUI: Command Line GUI for Robocopy: Better Robocopy GUI had become the primary plugin in Command Line GUI built on .NET 4Mini SQL Query: Mini SQL Query (1.0.71.456): Minor fixes and template corrections.HMS_TEST: ??1: ?? ???????TFS Planning and Disaster Recovery Avoidance Guide: v1.4.BETA - TFS, DR and Azure IaaS Planning Guides: Welcome to the TFS Planning and DR Avoidance Guidance What is new? A new crisper, more compact style, which is easier to consume on multiple devices without sacrificing any content. Also included are the new TFS on Azure IaaS guide and supplementary guides. Note Capacity planning workbook and posters are included in the Everything Zip package. Quality-Bar Detail Documentation has been reviewed by Visual Studio ALM Rangers Documentation has been through an independent technical review ...CRM Web API Lead Capture Example: CRM Web API Lead Capture Example: Sample Visual Studio 2013 project that provides an example of how you could use Web API and Microsoft Azure (could be deployed anywhere) to capture simple HTML form data into Dynamics CRM without directly having to integrate a .NET component.MB Tools: MDT Monitor Tool v1.4: This tool is used to connect to an MDT 2013 Monitor Webservice. The purpose is to provide an alternative to the MDT Deployment Workbench. Update: New in v1.4: Fixed bug where Dart Remote Viewer didnt work Option to show client local time instead of UTC, edit config.xml to enable/disable New in v1.2: Fixed Dart Remote Viewer not connection to full ip Issue: 1222 New in v1.1: Added timers for autorefresh of webservice info Added some better errorchecking and cleaned up the code a bit ...Bob The Simple Text Game: Bob The Simple Text Game: Bob The Simple Text GameWinAudit: WinAudit Freeware v3.0: WinAudit.exe v3.0 MD5: 88750CCF49FF7418199B2645755830FA Known Issues: 1. Report creation can be very slow when right-to-left (Hebrew) characters are present. 2. Emsisoft Anti-Malware may stop and/or quarantine WinAudit. This happens when WinAudit attempts to obtain a list if running programmes. You will need to set an exception rule in Emsisoft to allow WinAudit to run.crashme: crashme source tarball 2.7: Updated for 64-bit Linux environments with a system call to change the default no-execute-data protection. This tarball is equivalent to committed source revision 108727LUA for Windows CE: LUA 5.2.3 for Windows CE 5.0 (ARMV4I): LUA for Windows CE This is a preliminary porting of the latest LUA release (5.2.3) to the Windows CE platform. Command-line compiler, interpreter, dynamic-link-library, and import-library (both static and dynamic stubs) are provided as a binary release. In this release, the Windows CE compatibility CRT static library has been added, in order to embed statically the LUA interpreter. Moreover, the include files are present in the distribution archive, too.Jquery Dirty Flag: Beta Version 1.0: Simple Way to Manage Dirty Flag @ Client SideProView: ProView-2: Added a new short-cut key: Ctrl+D copies the value from the above cell to the current cell. The key combination Shift+NumPadMinus makes an underscore character Fixed a bug during renaming that displayed the message "The file is in use by another process" The spread sheet can now be customized with a highlighting row color for the currently displayed image.TerraMap (Terraria World Map Viewer): TerraMap 1.0.4: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles Fixed Issue 35206: Hightlight/Find doesn't work for Demon Altars Fixed finding Demon Hearts/Shadow Orbs Added ability to find Enchanted Swords (in the stone) and Water Bolt books Fixed installer not uninstalling older versions The setup file will make sure .NET 4 is installed, install TerraMap, create desktop and start menu shortcuts, add a .wld file association, and launch TerraMap. If you prefer the zip ...WPF Localization Extension: v2.2.1: Issue #9277 Issue #9292 Issue #9311 Issue #9312 Issue #9313 Issue #9314CtrlAltStudio Viewer: CtrlAltStudio Viewer 1.2.1.41167 Release: This release of the CtrlAltStudio Viewer includes the following significant features: Oculus Rift support. Stereoscopic 3D display support. Variable walking / flying speed. Xbox 360 Controller support. Kinect for Windows support. Based on Firestorm viewer 4.6.5 codebase. For more details, see the release notes linked to below. Release notes: http://ctrlaltstudio.com/viewer/release-notes/1-2-1-41167-release Support info: http://ctrlaltstudio.com/viewer/support Privacy policy: http:/...New Projects.NET Development Library: .NET Development LibraryBizTalk Flow Visualizer: This tool has been designed to help BizTalk developers and administrators visualize the flow of messages through their implementation of BizTalk Server.BlackSwan: Provides tools for value investingCamel Case Parser: Simple method with unit tests for splitting an up or down camel cased word into the words that comprise it.eukota_sandbox: really just a repository for practicing with some students i mentor.Hyperlapse: Software repository for Hyperlapse, a Universal Store App for Windows 8.1 and Windows Phone 8.1, National Level entry in code.fun.do hackathon by Microsoft.Informiamoci Partecipando: Progetto presentato al #code4italyKipLink: MVC5 Web Api 2 EF DB First Oracle 11g Custom MembershipMatAcademyPlayground: MatAcademy 2014 playgroundOgCRM: Proyecto OgCRMPowerSYDI: This is an re-engineering of SYDI vbscript created by Patrick Ogenstad in PowerShell. SharpLightReporting: SharpLightReporting is a reporting system for .Net developers, based on open source SpreadsheetLight excel/spreadsheet automation system. T4 Template to pre-generate views for Entity Framework 5.0, .NET 4.5: T4 Template to pre-generate views for Entity Framework 6.0, .NET 4.5Task Board: Simple TaskboardWentex OS: Wentex das kostenfrei Betriebssystem für alleWinldTunnel - VIPBrowserProject: NoneWintcy: Wintcy's only function is to disable taskbar transparency that Microsoft for some reason has left in Windows 8.????????-????????【??】????????????: ????????????????????????,??????????,????,????,?????????、??????,??????。 ??????-??????【??】??????????: ???????????,?????????????? ??。????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ???????????????????????:????、????、??????????????,????????。????????! ??????-【??】??????????: ???????????????????,????,????,????,???????,?????,?????.??????。 ??????-??????【??】??????????: ????????????????????????????:???????,??????,????,????,????,?????！ ??????-??????【??】??????????: ????????????,??,??,??,??? ?,??,,??,??,??,??,??,??,????????,??????！ ??????-??????【??】??????????: ?????????????????,?????????????。????????????,???????,???????,?????,?????。 ??????-??????【??】??????????: ???????????? ???? ???? ???? ???? ???? ??????? ?????，????????????????. ??????-??????【??】??????????: ???????????、????、????、??????、????、????????,????????、?????????,?????。 ???????-???????【??】???????????: ?????????????????????,??????????,????????、????,??????????,??????????。 ???????-???????【??】???????????: ???????????????????、????,??100%????,??????,????????????,???????????! ???????-???????【??】???????????: ?????????,??????:?????,?????,??????,??????????,????????。????????! ??????-??????【??】??????????: ???????【.????.????.????.????.】??【??】:、??、??、??、??、??、??、??、??、??、??、?????。 ??????-??????【??】??????????: ??????????????????,????,??.??.??.??.??.??.??.???，????，???????! ??????-??????【??】??????????: ??????????????????、????、??????、????????,????????????,???????????！ ??????-??????【??】??????????: ?????????????????,???????????????。???????????,??????:????、????、???????！ ??????-??????【??】??????????: ?????????????????????,????,????,??????????。???????????????,??,??,??????????,??????... ??????-??????【??】??????????: ??????????????,?????????????,????,?????????,?????????????,?????,?????! ??????-??????【??】??????????: ????????????????，???????、???????????，????????、????、????、??????、????????。 ??????-??????【??】??????????: ????????????????、?????,????????????????????,????,????,??????。 ??????-??????【??】??????????: ?????????????:??????、????、????、????、????、??????、??????，???????! ??????-??????【??】??????????: ???????????? ???? ???? ???? ???? ???? ??????? ?????，????????????????. ??????-??????【??】??????????: ???????????????:?????? ???? ??????,???????,??????,???????。 ??????-??????【??】??????????: ????????????,????,??????????? ???? ???? ?????????,???,??,?????! ??????-??????【??】??????????: ???????????,????,????,??????,????“????、????、????、????”????????,??????. ??????-??????【??】??????????: ???????????、????、????、??????、????、????????,????????、?????????,?????。 ??????-??????【??】??????????: ?????????????????,?????????????。????????????,???????,???????,?????,?????。 ??????-??????【??】??????????: ?????????????????????????????、????、????、???????????,????,????! ??????-??????【??】??????????: ????????????????6?,???????????????????????????,??????????????,?????????！ ??????-??????【??】??????????: ????????????????8?，????????,????????,??????????,?????,????? ,????????! ??????-??????【??】??????????: ?????????????????,??????????????、???????、???????、???????、?????！ ??????-??????【??】??????????: ??????????????????????????,???????????,????????,?????????????????????。 ??????-??????【??】??????????: ????????????????????,????????????????,????????????????,??????！ ??????-??????【??】??????????: ????????????,????,??????????? ???? ???? ?????????,???,??,?????! ??????-??????【??】??????????: ???????????????????????????,???????????????????????,???????。 ??????-??????【??】??????????: ????????????????:?????? ???? ??????,???????,??????,???????。 ??????-??????【??】??????????: ?????????、???、??、??????????????????????????????,????????????????! ??????-??????【??】??????????: ????????????????????,????????:??、??、???,?????????????????????! ??????-??????【??】??????????: ?????????????,?????,???????????,???????,????,????,????,?????。 ??????-??????【??】??????????: ???????????????,????,???????、???????????,???????????,????,?????,???????。 ??????-??????【??】??????????: ??????????????????,???????????,??????????????,??????????，??????????????！ ??????-??????【??】??????????: ????????????????,?????????????? ??。??????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ????????????,??????????、??????,??????????、????、????、???????。 ??????-??????【??】??????????: ?????????????、??????????????????,????????,?????,??????,????,????,????! ??????-??????【??】??????????: ??????????????????????,????????,??????????,?????,????? ,????????! ??????-??????【??】??????????: ??????????,????????,?????,???,???????????,???????????,?????,??????！ ??????-??????【??】??????????: ??????????,??????????????????????,???????????????,?????????????！ ??????-??????【??】??????????: ?????????????????????，?????????/?,,???????????,??????????????! ??????-??????【??】??????????: ????????????????,?????????、??、??、????,??????????,?????????????！ ??????-??????【??】??????????: ???????????、????、????、??????????,???,?????,???????????????. ??????-??????【??】??????????: ??????????????????????,?????, ... ????????????,????,????,?????,???????。

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• Why can't we capture the design of software more effectively?

  - by Ira Baxter

  As engineers, we all "design" artifacts (buildings, programs, circuits, molecules...). That's an activity (design-the-verb) that produces some kind of result (design-the-noun). I think we all agree that design-the-noun is a different entity than the artifact itself. A key activity in the software business (indeed, in any business where the resulting product artifact needs to be enhanced) is to understand the "design (the-noun)". Yet we seem, as a community, to be pretty much complete failures at recording it, as evidenced by the amount of effort people put into rediscovering facts about their code base. Ask somebody to show you the design of their code and see what you get. I think of a design for software as having: An explicit specification for what the software is supposed to do and how well it does it An explicit version of the code (this part is easy, everybody has it) An explanation for how each part of the code serves to achieve the specification A rationale as to why the code is the way it is (e.g., why a particualr choice rather than another) What is NOT a design is a particular perspective on the code. For example [not to pick specifically on] UML diagrams are not designs. Rather, they are properties you can derive from the code, or arguably, properties you wish you could derive from the code. But as a general rule, you can't derive the code from UML. Why is it that after 50+ years of building software, why don't we have regular ways to express this? My personal opinion is that we don't have good ways to express this. Even if we do, most of the community seems so focused on getting "code" that design-the-noun gets lost anyway. (IMHO, until design becomes the purpose of engineering, with the artifact extracted from the design, we're not going to get around this). What have you seen as means for recording designs (in the sense I have described it)? Explicit references to papers would be good. Why do you think specific and general means have not been succesful? How can we change this?

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• How to optimise Andengine's PathModifer (with singleton or pool)?

  - by Casla

  I am trying to build a game where the character find and follows a new path when a new destination is issued by the player, kinda like how units in RTS games work. This is done on a TMX map and I am using the A Star path finder utilities in Andengine to do this.David helped me on that: How can I change the path a sprite is following in real time? At the moment, every-time a new path is issued, I have to abandon the existing PathModifer and Path instances, and create new ones, and from what I read so far, creating new objects when you could re-use existing ones are a big waste for mobile applications. This is how I coded it at the moment: private void loadPathFound() { if (mAStarPath != null) { modifierPath = new org.andengine.entity.modifier.PathModifier.Path(mAStarPath.getLength()); /* replace the first node in the path as the player's current position */ modifierPath.to(player.convertLocalToSceneCoordinates(12, 31)[Constants.VERTEX_INDEX_X]-12, player.convertLocalToSceneCoordinates(12, 31)[Constants.VERTEX_INDEX_Y]-31); for (int i=1; i<mAStarPath.getLength(); i++) { modifierPath.to(mAStarPath.getX(i)*TILE_WIDTH, mAStarPath.getY(i)*TILE_HEIGHT); /* passing in the duration depended on the length of the path, so that the animation has a constant duration for every step */ player.registerEntityModifier(new PathModifier(modifierPath.getLength()/100, modifierPath, null, mIPathModifierListener)); } } The ideal implementation will be to always have just one object of PathModifer and just reset the destination of the path. But I don't know how you can apply the singleton patther on Andengine's PathModifer, there is no method to reset attribute of the path nor the pathModifer. So without re-write the PathModifer and the Path class, or use reflection, is there any other way to implement singleton PathModifer? Thanks for your help.

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• Database Schema Usage

  - by CrazyHorse

  I have a question regarding the appropriate use of SQL Server database schemas and was hoping that some database gurus might be able to offer some guidance around best practice. Just to give a bit of background, my team has recently shrunk to 2 people and we have just been merged with another 6 person team. My team had set up a SQL Server environment running off a desktop backing up to another desktop (and nightly to the network), whilst the new team has a formal SQL Server environment, running on a dedicated server, with backups and maintenance all handled by a dedicated team. So far it's good news for my team. Now to the query. My team designed all our tables to belong to a 3-letter schema name (e.g. User = USR, General = GEN, Account = ACC) which broadly speaking relate to specific applications, although there is a lot of overlap. My new team has come from an Access background and have implemented their tables within dbo with a 3-letter perfix followed by "_tbl" so the examples above would be dbo.USR_tblTableName, dbo.GEN_tblTableName and dbo.ACC_tblTableName. Further to this, neither my old team nor my new team has gone live with their SQL Servers yet (we're both coincidentally migrating away from Access environments) and the new team have said they're willing to consider adopting our approach if we can explain how this would be beneficial. We are not anticipating handling table updates at schema level, as we will be using application-level logins. Also, with regards to the unwieldiness of the 7-character prefix, I'm not overly concerned myself as we're using LINQ almost exclusively so the tables can simply be renamed in the DMBL (although I know that presents some challenges when we update the DBML). So therefore, given that both teams need to be aligned with one another, can anyone offer any convincing arguments either way?

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• Should I be using Lua for game logic on mobile devices?

  - by Rob Ashton

  As above really, I'm writing an android based game in my spare time (android because it's free and I've no real aspirations to do anything commercial). The game logic comes from a very typical component based model whereby entities exist and have components attached to them and messages are sent to and fro in order to make things happen. Obviously the layer for actually performing that is thin, and if I were to write an iPhone version of this app, I'd have to re-write the renderer and core driver (of this component based system) in Objective C. The entities are just flat files determining the names of the components to be added, and the components themselves are simple, single-purpose objects containing the logic for the entity. Now, if I write all the logic for those components in Java, then I'd have to re-write them on Objective C if I decided to do an iPhone port. As the bulk of the application logic is contained within these components, they would, in an ideal world, be written in some platform-agnostic language/script/DSL which could then just be loaded into the app on whatever platform. I've been led to believe however that this is not an ideal world though, and that Lua performance etc on mobile devices still isn't up to scratch, that the overhead is too much and that I'd run into troubles later if I went down that route? Is this actually the case? Obviously this is just a hypothetical question, I'm happy writing them all in Java as it's simple and easy get things off the ground, but say I actually enjoy making this game (unlikely, given how much I'm currently disliking having to deal with all those different mobile devices) and I wanted to make a commercially viable game - would I use Lua or would I just take the hit when it came to porting and just re-write all the code?

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• Where should SQL/DB Queries be encapsulated in a software system?

  - by Stephen Bennet

  I frequently write small applications (either web based or otherwise) that require heavy database usage. i've attempted various ways of handling where to put the actual sql queries (sort of ad-hoc ORM systems). These include: Models that build themselves up - and only allowing SQL to be inside of a model. A sort of factory style method where the models are built by a factory class that is allowed to know about SQL. A third entity that maps models based on their fields/keys into the database and generates SQL code on the fly based on this. Is there a common knowledge of which method is best? Or another way I have missed? Clearly a lot of it will be based on the context of the system itself, which for me is usually to produce lightweight tools or utility frameworks. In experimenting, I've never found any of them that feel intuitively "right" and not clunky, but I also do not want to go for a full framework such as Django or Ruby - both because the tools I create are in a variety of languages and because they usually do not warrant that level of surrounding footprint.

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• CodePlex Daily Summary for Wednesday, May 21, 2014

  CodePlex Daily Summary for Wednesday, May 21, 2014Popular ReleasesSpotify Plugin for Jamcast: Spotify Plugin for Jamcast v2.0: This release works with Jamcast 2.0 API. Implements search. Requires libspotifydotnet 4.0.0.0 and libspotify 12.1.51libspotify.NET - a managed interop library for libspotify: libspotify.NET v4.0 (x86): Bugfixes, API changes.SharpLightReporting: SharpLightReporting 1.0.2: Bug Fix: Picture tag is now able to get the data from the property. NullReferenceException is not being thrown now. Added: addtocolpos and addtorowpos attributes to chat tagWindows Embedded Board Support Package for BeagleBone: WEC7 BeagleBone Black 01.05.00: Demo image. Runs on BeagleBone White and Black. On BeagleBone Black works with uSD or eMMC based images SDK and demo tests included Now with Silverlight and OpenGL (PoweVR) support! Built and maintained in the U.S.A.!MISAO: Ver. 5.4: Fix bugs (Nicovideo viwer add-in) Add Masakari option (Nicovideo viwer add-in)SubVersionOne: SubVersionOne 1.3: Removed reference to old V1 SDK and changed all queries to use REST API. Added status and scopes to the workitem view.VisioAutomation: Visio PowerShell Module (VisioPS) 1.1.26: DocumentationDocumentation is here http://sdrv.ms/11AWkp7 Screencasthttp://vimeo.com/61329170 FilesFor easy installation, download and run the MSI file. If you want to manually install, a ZIP file is provided. ChangeLog *Version 1.1.25 Changed Module name to Visio. So to import the module use Import-Module Visio Replaced Invoke-VisioDraw with Out-Visio *Version 1.1.25 fixed Get-VisioCustomProperties *Version 1.1.23 Fixed a logging bug - was dividing by zero when operations were done ...Extended T-SQL Collector: 1.1.5: Modified to allow collecting system collection sets where the "Generic T-SQL Query collector type" is used. Pick the bitness of your SQL Server installation. If you have a 32 bit SQL Server instance installed on a 64 bit Windows Server, use the x86 setup kit. Both setup kits install the same exact code, but the target directory is different on x64 machines ("Program Files" for x64 and "Program Files (x86)" for x86).EdiFabric: Release 3.1: Fixed parse tree generation for the latest validation schemasCompare .NET Objects: Version 2.03.0.0: Support for System.Drawing.Font type New Option to Ignore Unknown Object TypesQuickMon: Version 3.11: This release adds some major changes to the core monitoring engine. 1. Polling overrides: Each collector entry can specify a minimum time updating is allowed for it and dependent collector entries. 2. Polling frequency sliding: Additional to polling overrides a collector entry can specify 'sliding' polling frequency if the state remains the same. This means the frequency slows down reducing overhead of polling on a stagnant resource. 3. The monitor pack has an overriding frequency. If used...Mini SQL Query: Mini SQL Query (1.0.72.457): Apologies for the previous update! FK issue fixed and also a template data cache issue.WordMat: WordMat v. 1.06: Check WordMat.blogspot.com for a complete description of new features.Wsus Package Publisher: Release v1.3.1405.17: Add Russian translation (thanks to VSharmanov) Fix a bug that make WPP to crash if the user click on "Connect/Reload" while the Report Tab is loading. Enhance the way WPP store the password for remote computers command.MoreTerra (Terraria World Viewer): More Terra 1.12.9: =========== = Compatibility = =========== Updated to account for new format 1.2.4.1 =========== = Issues = =========== all items have not been added. Some colors for new tiles may be off. I wanted to get this out so people have a usable program.LINQ to Twitter: LINQ to Twitter v3.0.3: Supports .NET 4.5x, Windows Phone 8.x, Windows 8.x, Windows Azure, Xamarin.Android, and Xamarin.iOS. New features include Status/Lookup, Mute APIs, and bug fixes. 100% Twitter API v1.1 coverage, Async, Portable Class Library (PCL).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.26.0: Added access to the Release Notes during 'Check for Updates...'' Debug panels Added support for generic types members Members are grouped into 'Raw View' and 'Non-Public members' categories Implemented dedicated (array-like) view for Lists and Dictionaries http://download-codeplex.sec.s-msft.com/Download?ProjectName=csscriptnpp&DownloadId=846498ClosedXML - The easy way to OpenXML: ClosedXML 0.70.0: A lot of fixes. See history.SFDL.NET: SFDL.NET (2.2.9.2): Changelog: Neues Icon Xup.in CnL Plugin BugfixSEToolbox: SEToolbox 01.030.008 Release 1: Fixed cube editor failing to apply color to cubes. Added to cube editor, replace cube dialog, and Build Percent dialog. Corrected for hidden asteroid ore, allowing rare ore to show when importing an asteroid, or converting a 3d model to an asteroid (still appears to be limitations on rare ore in small asteroids). Allowed ore selection to Asteroid file import. (Can copy/import and convert existing asteroid to another ore). Added progress bars to common long running operations. Fixed ...New Projects.Net Flexport: Library for importing and exporting data from and to csv or text files using attributes to describe the export format.Chess Platform: Simple Chess Platform with basic players and GUI.DMEditor: DMEditor is a "kit librarian" for the Alesis DM10 electronic drum module, allowing you to save and load drum kits, individual instruments, or even full modules.Endomondo Export: Endomondo GPX TCX activity exporter / downloaderHunt for Red October HTW: Hunting the Red October (Wumpus) at Microsoft 2014JuegoIngenio: ALTO JUEGOOrchard Liquid Markup: Orchard module for adding support for templates written in Liquid Markup (http://liquidmarkup.org/). Uses DotLiquid (http://dotliquidmarkup.org/).Panorama: No summaryPunto de Venta TCU: Sistema Punto de VentaString.Format Diagnostic (Roslyn): The aim of the project is to enable "Roslyn" diagnostics for the validation of the formatstring supplied to String.Format.System Layer: Operating System abstraction layer which will enable developers to create applications and device drivers which run on virtually any platform.XiaoQingDao: XiaoQingDao????????-????????【??】????????????: ??????????????,????,??????????? ???? ???? ?????????,???,??,?????! ??????-??????【??】??????????: ?????????? ???? ???? ???? ???? ???? ??????? ?????，????????????????. ??????-??????【??】??????????: ???????????????:?????? ???? ??????,???????,??????,???????。 ??????-??????【??】??????????: ????????,??????:?????,?????,??????,??????????,????????。????????! ??????-??????【??】??????????: ??????????????????、????,??100%????,??????,????????????,???????????! ??????-??????【??】??????????: ????????????????????,??????????,????????、????,??????????,??????????。 ???????-???????【??】???????????: ???????????????????、????、??????、????????,????????????,???????????！ ???????-???????【??】???????????: ????????????????、????、????、??????、????、???????,?????,?????????! ???????-???????【??】???????????: ????????????????????????????,???????????????????????,???????。 ??????-??????【??】??????????: ??????,??,????????。 ... ??????????????????、??????????????????... ??????-??????【??】??????????: ?????????????,??,??,??,??? ?,??,,??,??,??,??,??,??,????????,??????！ ??????-??????【??】??????????: ????????????????????,?????,???????,???????????,??????! ??????-??????【??】??????????: ???????????,?????????????? ??。????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ???????????????????????:????、????、??????????????,????????。????????! ??????-??????【??】??????????: ????????????????????????,??????????,????,????,?????????、??????,??????。 ??????-??????【??】??????????: ???????????、????、????、??????????,???,?????,???????????????. ??????-??????【??】??????????: ???????????????,????,???????、???????????,???????????,????,?????,???????。 ??????-??????【??】??????????: ????????????????,?????????、??、??、????,??????????,?????????????！ ????: 《????》（c???）??“????”???????，???????????????C?????????。???????,???????????????????????. ??????????????????????????????????；????????????????????????????。??????-??????【??】??????????: ?????????????????,???????????????。?????????????,???????,?????????。 ??????-??????【??】??????????: ??????????????????,??:??????,????,????,????,?????,??????????????. ??????-??????【??】??????????: ????????????????????,?????????????,???????????.????????????,????????????! ??????-??????【??】??????????: ??????,?????????,?????????????。?????????????,?????????,???????。 ??????-??????【??】??????????: ??????????????:????,????,????,???????,????????,??????:????????,?????! ??????-??????【??】??????????: ??????????????????????????,???????????????,????????????????！ ??????-??????【??】??????????: ???????????????????,????,????,????,???????,?????,?????.??????。 ??????-??????【??】??????????: ??????????,????????,?????,???,???????????,???????????,?????,??????！ ??????-??????【??】??????????: ????????????????????????????:???????,??????,????,????,????,?????！ ??????-??????【??】??????????: ??????????????????,???????、????、????、??????、???????,??????,???????????。 ??????-??????【??】??????????: ????????????????,???????、???????????,????????,????,?????????,??????,??????! ??????-??????【??】??????????: ?????????????????,????????????,?????????????????,??????,????????! ??????-??????【??】??????????: ??????????????,?????????????,????,?????????,?????????????,?????,?????! ??????-??????【??】??????????: ?????????????????????,????,????,??????????。???????????????,??,??,??????????,??????... ??????-??????【??】??????????: ?????????????????,???????????????。???????????,??????:????、????、???????！ ???????-???????【??】???????????: ?????????????????????,???、???!???????,????????????????,????????????,???! ???????-???????【??】???????????: ????????????、?????、?????、?????、?????、????,???????????,?????,??????！ ???????-???????【??】???????????: ?????????????????,?????????????? ??。??????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ??????????,??????????????????????,???????????????,?????????????！ ??????-??????【??】??????????: ??????????????????????,?????, ... ????????????,????,????,?????,???????。 ??????-??????【??】??????????: ????????????????，?????????/?,,???????????,??????????????! ???? (?????): ???: ????（?????）??????-??????【??】??????????: ?????????????、?????、?????、????、?????,??????????。????????????????! ??????-??????【??】??????????: ??????????????????,???????????,??????????????,??????????，??????????????！ ??????-??????【??】??????????: ??????????????????,????????????,?????、??、????,?????,??????！ ??????-??????【??】??????????: ??????????????????????,???????????????,????????????????????! ??????-??????【??】??????????: ????????????,??????????、??????,??????????、????、????、???????。 ??????-??????【??】??????????: ??????????????????????,???????????????,???????,?????,?????,????? !!! ??????-??????【??】??????????: ?????????????????,????:????,????,????,??????,?????,???????????????! ??????-??????【??】??????????: ?????????????????"????,????"???,????????????????????????,??????????????。 ??????-??????【??】??????????: ???????????????????????????、??????????????,??????????????。 ??????-??????【??】??????????: ????????????????????????、??????,????、?????、????， ?????????，?????????????！ ??????-??????【??】??????????: ????????,??????,?????????????????????,???????????????????????。 ??????-??????【??】??????????: ?????????????????????、????、????、??????、???????,??????、??????。 ??——?????: None

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• My Latest Books &ndash; Professional C# 2010 and Professional ASP.NET 4

  - by Bill Evjen

  My two latest books are out! Professional ASP.NET 4 in C# and VB Professional C# 4 and .NET 4 From the back covers: Take your web development to the next level using ASP.NET 4 ASP.NET is about making you as productive as possible when building fast and secure web applications. Each release of ASP.NET gets better and removes a lot of the tedious code that you previously needed to put in place, making common ASP.NET tasks easier. With this book, an unparalleled team of authors walks you through the full breadth of ASP.NET and the new and exciting capabilities of ASP.NET 4. The authors also show you how to maximize the abundance of features that ASP.NET offers to make your development process smoother and more efficient. Professional ASP.NET 4: Demonstrates ASP.NET built-in systems such as the membership and role management systems Covers everything you need to know about working with and manipulating data Discusses the plethora of server controls that are at your disposal Explores new ways to build ASP.NET, such as working with ASP.NET MVC and ASP.NET AJAX Examines the full life cycle of ASP.NET, including debugging and error handling, HTTP modules, the provider model, and more Features both printed and downloadable C# and VB code examples Start using the new features of C# 4 and .NET 4 right away The new C# 4 language version is indispensable for writing code in Visual Studio 2010. This essential guide emphasizes that C# is the language of choice for your .NET 4 applications. The unparalleled author team of experts begins with a refresher of C# basics and quickly moves on to provide detailed coverage of all the recently added language and Framework features so that you can start writing Windows applications and ASP.NET web applications immediately. Reviews the .NET architecture, objects, generics, inheritance, arrays, operators, casts, delegates, events, Lambda expressions, and more Details integration with dynamic objects in C#, named and optional parameters, COM-specific interop features, and type-safe variance Provides coverage of new features of .NET 4, Workflow Foundation 4, ADO.NET Data Services, MEF, the Parallel Task Library, and PLINQ Has deep coverage of great technologies including LINQ, WCF, WPF, flow and fixed documents, and Silverlight Reviews ASP.NET programming and goes into new features such as ASP.NET MVC and ASP.NET Dynamic Data Discusses communication with WCF, MSMQ, peer-to-peer, and syndication

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• Should I list this work experience on my resume? [closed]

  - by Phoenix

  I am currently working at a company. I did an internship before this job with a prestigious company and project itself was challenging but it was in the initial phases and hence there were no tight schedules and we ended up doing brainstorming for the first month and the 2nd month actually setting up our hardware, which is linux servers in lab and a cluster administrator for the servers. And then i wrote an addin task which runs on the server and uses existing API to collect some statistics from the the servers in the cluster and feeding them into another entity which is basically an algorithm that calculates how the load on the servers should be automatically balanced. Neither of these things went into production by the time I left the company and I'm not even sure of their current state. Does it make sense to include it in my resume then? I also worked as a software engineer right out of school at another prestigious company for 9 months. I was involved in some bug fixes before the product launched and I don't even recollect the exact fixes I made to the product. So, will it make sense to have these experiences on my resume ? Will people question me about them and will saying it was bug fixes and mentioning what kind of fixes suffice as enough to justify my work ex there ?

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• Is it bad idea to use flag variable to search MAX element in array?

  - by Boris Treukhov

  Over my programming career I formed a habit to introduce a flag variable that indicates that the first comparison has occured, just like Msft does in its linq Max() extension method implementation public static int Max(this IEnumerable<int> source) { if (source == null) { throw Error.ArgumentNull("source"); } int num = 0; bool flag = false; foreach (int num2 in source) { if (flag) { if (num2 > num) { num = num2; } } else { num = num2; flag = true; } } if (!flag) { throw Error.NoElements(); } return num; } However I have met some heretics lately, who implement this by just starting with the first element and assigning it to result, and oh no - it turned out that STL and Java authors have preferred the latter method. Java: public static <T extends Object & Comparable<? super T>> T max(Collection<? extends T> coll) { Iterator<? extends T> i = coll.iterator(); T candidate = i.next(); while (i.hasNext()) { T next = i.next(); if (next.compareTo(candidate) > 0) candidate = next; } return candidate; } STL: template<class _FwdIt> inline _FwdIt _Max_element(_FwdIt _First, _FwdIt _Last) { // find largest element, using operator< _FwdIt _Found = _First; if (_First != _Last) for (; ++_First != _Last; ) if (_DEBUG_LT(*_Found, *_First)) _Found = _First; return (_Found); } Are there any preferences between one method or another? Are there any historical reasons for this? Is one method more dangerous than another?

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• Future of WPF and free controls ? [closed]

  - by Justin

  I am willing to work on a personal project that I would like to release publicly. I am working with Silverlight and have experience with XAML, as it is my full-time job. It is enjoyably for me to create UIs in Blend and XAML. I am also a big fan of C# language. I don't know what I would do without LINQ now. Anyways, I was looking at using WPF for my personal project. It seems that a lot of the controls out on the web are pay for items. The only place I have found to have a significant number of free controls is the WPF extended framework on codeplex. I want to make a financial application and need a powerful datagrid type of control that will allow me to enter transaction data. I haven't found such control for free in the net. It doesn't seem like there is much free community libraries/controls out there for Microsoft products. So, I was wondering if WPF would be the right way for me to go. I couldn't find any information on WPF usage in Windows 8, which coming very soon. I don't know Microsoft's plans for this technology. Would it be a better idea to use something different for the UI instead of WPF?

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• TechEd 2010 Day Two – No SQL Server in Sight

  - by BuckWoody

  Today I worked the booth at TechEd 2010, manning the new “Surface” computer, which is just the coolest object on the planet. After that I didn’t attend a single SQL Server session – instead I’ve been frequenting SharePoint, Microsoft Office, and even the High-Performance Computing sessions. The reason is that I get really high quality SQL Server presentations at PASS, SQL Saturdays, and online from Microsoft and other vendors. While there are SQL Server sessions here (after all, I’m giving one of them!) I tend to try and see things that I don’t normally get to learn about. And the cross-pollination between those technologies and mine is fantastic.     I’ve even managed to go to an Entity Framework presentation for the developers. I actually have (a little) more respect for that technology – and I’ve modified my presentation to encompass more of that information. So whenever you have the chance, take a walk outside your comfort zone. Even at PASS and SQL Saturdays (and certainly online) you can investigate technologies other than the ones you know best.  Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• What are some of the benefits of a "Micro-ORM"?

  - by Wayne M

  I've been looking into the so-called "Micro ORMs" like Dapper and (to a lesser extent as it relies on .NET 4.0) Massive as these might be easier to implement at work than a full-blown ORM since our current system is highly reliant on stored procedures and would require significant refactoring to work with an ORM like NHibernate or EF. What is the benefit of using one of these over a full-featured ORM? It seems like just a thin layer around a database connection that still forces you to write raw SQL - perhaps I'm wrong but I was always told the reason for ORMs in the first place is so you didn't have to write SQL, it could be automatically generated; especially for multi-table joins and mapping relationships between tables which are a pain to do in pure SQL but trivial with an ORM. For instance, looking at an example of Dapper: var connection = new SqlConnection(); // setup here... var person = connection.Query<Person>("select * from people where PersonId = @personId", new { PersonId = 42 }); How is that any different than using a handrolled ADO.NET data layer, except that you don't have to write the command, set the parameters and I suppose map the entity back using a Builder. It looks like you could even use a stored procedure call as the SQL string. Are there other tangible benefits that I'm missing here where a Micro ORM makes sense to use? I'm not really seeing how it's saving anything over the "old" way of using ADO.NET except maybe a few lines of code - you still have to write to figure out what SQL you need to execute (which can get hairy) and you still have to map relationships between tables (the part that IMHO ORMs help the most with).

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• Alternatives for the Snippet Compiler

  - by Marko Apfel

  It seems that the Snippet Compiler is not maintained anymore. So I need an alternative – also for getting syntax highlighting for code in publications. Preferable with the possibility to conserve this highlighting by copying selections to clipboard. Snippet Compiler does not allows this for selections – only by exporting the whole file content to clipboard with HTML- or RTF-formatting (File > Export > HTML to clipboard respectively RTF to clipboard). Today I switched to LINQPad. This application offers constructing LINQ-statements as well as compiling arbitrary code snippets. But there are some other alternatives too: CS-Script - The C# Script Engine CS-Script is a CLR (Common Language Runtime) based scripting system which uses ECMA-compliant C# as a programming language. CS-Script currently targets Microsoft implementation of CLR (.NET 2.0/3.0/3.5. sharpsnippetcompiler C# Snippet Compiler is a tiny IDE to create, debug and run your C# programs CsharpRepl C# interactive shell that is part of Mono's C# compiler. An interactive shell is usually referred to as a read eval print loop or repl. The C# interactive shell is built on top of the Mono.CSharp library, a library that provides a C# compiler service that can be used to evaluate expressions and statements on the flight. What I miss is an alternative with syntax highlighting like in my Visual Studio: Instead of:

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• ASP.NET MVC Application In Action - I (DailyJournal)

  - by Rajesh Pillai

  Its been long due I was planning to write an article on creating some useful ASP.NET MVC application. I have code named it "DailyJournal". Its a simple application which allows creation of multiple activities and assign tasks to these activities. Its' kind of "Yet another Task/Todo application". The credentials which you can use with the attached demo application is shown below.   Collapse Copy Code User Name : admin Password : admin123 Framework/Libraries Used ASP.NET MVC jQuery + jQuery UI (for ajax and UI) ELMAH for Error logging Warning Ahead This is just a rough draft and so I am putting down some of the known limitation. Some points of warning before we move further with this application. This is just an early prototype. As such many of the design principles have been ignored. But, I try to cover that up in the next update once I get my head around this. The application in its current state supports the following features Create users Assign Activities to users Assign tasks to activities Assign a status to a task The user creation/authentication is being done by the default Membership provider. Most of the activities are highly visual i.e. you can drag-drop task to different areas, in-place edition of task details and so on.   The following are the current issues with the design which I promise to refactor in the second version. No Validations Fat Controller XSS/CSS vulnerable No Service model/abstraction yet. For the demo LINQ to SQL is implemented. No separation of layers UI Design et el... This is just an extract.  For source code and more information proceed to http://www.codeproject.com/KB/aspnet/mvcinaction.aspx Hope you like this!

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• Decoupling software components via naming convention

  - by csteinmueller

  I'm currently evaluating alternatives to refactor a drivermanagement. In my multitier architecture I have Baseclass DAL.Device //my entity Interfaces BL.IDriver //handles the dataprocessing between application and device BL.IDriverCreator //creates an IDriver from a Device BL.IDriverFactory //handles the driver creation requests Every specialization of Device has a corresponding IDriver implementation and a corresponding IDriverCreator implementation. At the moment the mapping is fix via a type check within the business layer / DriverFactory. That means every new driver needs a) changing code within the DriverFactory and b) referencing the new IDriver implementation / assembly. On a customers point of view that means, every new driver, used or not, needs a complex revalidation of their hardware environment, because it's a critical process. My first inspiration was to use a caliburn micro like nameconvention see Caliburn.Micro: Xaml Made Easy BL.RestDriver BL.RestDriverCreator DAL.RestDevice After receiving the RestDevicewithin the IDriverFactory I can load all driver dlls via reflection and do a namesplitting/comparing (extracting the xx from xxDriverCreator and xxDevice) Another idea would be a custom attribute (which also leads to comparing strings). My question: is that a good approach above layer borders? If not, what would be a good approach?

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• Client side latency when using prediction

  - by Tips48

  I've implemented Client-Side prediction into my game, where when input is received by the client, it first sends it to the server and then acts upon it just as the server will, to reduce the appearance of lag. The problem is, the server is authoritative, so when the server sends back the position of the Entity to the client, it undo's the effect of the interpolation and creates a rubber-banding effect. For example: Client sends input to server - Client reacts on input - Server receives and reacts on input - Server sends back response - Client reaction is undone due to latency between server and client To solve this, I've decided to store the game state and input every tick in the client, and then when I receive a packet from the server, get the game state from when the packet was sent and simulate the game up to the current point. My questions: Won't this cause lag? If I'm receiving 20/30 EntityPositionPackets a second, that means I have to run 20-30 simulations of the game state. How do I sync the client and server tick? Currently, I'm sending the milli-second the packet was sent by the server, but I think it's adding too much complexity instead of just sending the tick. The problem with converting it to sending the tick is that I have no guarantee that the client and server are ticking at the same rate, for example if the client is an old-end PC.

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