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• How to recognize a good programmer?

  - by gius

  Our company is looking for new programmers. And here comes the problem - there are many developers who look really great at the interview, seem to know the technology you need and have a good job background, but after two moths of work, you find out that they are not able to work in a team, writing some code takes them very long time, and moreover, the result is not as good as it should be. So, do you use any formalized tests (are there any?)? How do you recognize a good programmer - and a good person? Are there any simple 'good' questions that might reveal the future problems? ...or is it just about your 'feeling' about the person (ie., mainly your experience), and trying him out? Edit: According to Manoj's answer, here is the question related to the coding task at the job interview.

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• using GNU GPL v2 software as pointers to solution to problem

  - by Patrick

  I am coding a PHP serial access class and have been taking pointers from the PHP-serial class on Google Code (here). That class is based on PHP 4 and I'm creating a PHP 5 class that allows more functionality and is specific to some business demands I have. There is no code copied and I have done all the coding. Does the class I'm writing fall under the Google Code's GPL or am I free to select a license that I feel is appropriate? I'm not sure of the standard that applies to licensing when you are only looking to another work for pointers.

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• Family History Website

  - by Joshua Slocum

  I want to develop a website that has family history information. Something like Ancestry.com but much simpler. I want to display photos, family tree, have logins and allow members to upload family photos,documents,stories and comments and have tags for the docs and photos and maybe a message board and blog. Also, this is not for the general public but just my extended family. I'd like each person to have their own page with a bio, pics and information. Is there anything that already does something like this? I don't want to waste time writing this if it already exists. thank you I'm familiar with asp.net and php.

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• 3d point cloud reconstruction using in c++

  - by techie_db

  I've got a project which involves 3D reconstruction if point clouds from a 3D scanner. Being relatively new to the computer vision field I'm in the dark. The objective of the project is to implement this 3D reconstruction in C/C++ without using Matlab so that it can be further integrated with the ROS (for robots). Can anyone guide me with this issue so that I get enough idea regarding how to approach the problem?

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• What is considered to be a "modification" of sources under the BSD license?

  - by Den

  I have a question about the 3-clause BSD license based on it's Wiki description. It states: Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ... What is understood by "modification"? Specifically I am interested whether any/all of the following is considered as such modification: 1) reading the original sources and then re-implementing; 2) reading the original sources, waiting for a year and then re-implementing something based on whatever you could remember; 3) direct and very significant "complete" refactoring of the original sources.

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• Send less Server Data with "AFK"

  - by Oliver Schöning

  I am working on a 2D (Realtime) MultiPlayer Game. With Construct2 and a Socket.IO JavaScript Server. Right now the code does not include the Array for each Player. var io = require("socket.io").listen(80); var x = 10; io.sockets.on("connection", function (socket) { socket.on("message", function(data) { x = x+1; }); }); setInterval(function() { io.sockets.emit("message", 'Pos,' + x); },100); I noticed a very annoying problem with my server today. It sends my X Coordinates every 100 milliseconds. The Problem was, that when I went into another Browser Tab, the Browser stopped the Game from running. And when I went back, I think the Game had to run through all the packages. Because my Offline Debugging Button still worked immediately and the Online Button only responded after some seconds. So then I changed my Code so that it would only send out an update when it received a player Input: var io = require("socket.io").listen(80); var x = 10; io.sockets.on("connection", function (socket) { socket.on("message", function(data) { x = x+1; io.sockets.emit("message", 'Pos,' + x); }); }); And it Updated Immediately, even when I had been inactive on the Browser Tab for a long time. Confirming my suspicion that it had to get through all the data. Confirm Please! It would be insane to only send information on Client Input in a Real Time Game. But how would I write a AFK function? I would think it is easier to run a AFK Boolean Loop on the Server. Here is what I need help for: playerArray[Me] if ( "Not Given any Input for X amount of Seconds" ) { "Don't send Data" } else { "Send Data" }

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• Licensing a collaborative research project

  - by Marcus Jones

  I am involved with an international research project which involves many different universities, national labs, and companies. The project is developed by national grants and in-kind support. One task in the project is to develop code to streamline workflow in our domain (energy simulation) by scripting common pre- and post-processing tasks for different tools. We want this code to be freely distributable to the simulation community. How can we ensure that this effort is digestible by the legal departments of these different parties such that the people involved can freely code?

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• Business Intelligence goes Big Data

  - by Alliances & Channels Redaktion

  Big Data stellt die nächste große Herausforderung für die IT-Branche dar: Massen von Daten aus immer mehr Quellen – aus sozialen Netzwerken, Telekommunikations- und Weblogs, RFID-Lesern etc. – müssen logisch verknüpft, in Echtzeit integriert und verarbeitet werden. Doch wie sieht es mit der praktischen Umsetzung aus? Eine europaweite Studie von Steria Mummert Consulting zeigt: Lediglich 28 % der Unternehmen haben bereits heute eine übergreifende, abgestimmte Business-Intelligence-Strategie implementiert. Vorherrschend sind BI-Insellösungen, die schon jetzt an den Grenzen ihrer Kapazität arbeiten. Daten werden also bisher nur eingeschränkt als wertschöpfende Ressource genutzt! Das Ergebnis der Studie klingt erschreckend, doch Unternehmen können es zu Ihrem Vorteil nutzen: Wer jetzt das Thema Big Data anpackt, kann sich einen gewinnbringenden Vorsprung vor dem Wettbewerb sichern. Wie sieht die Analyse-Umgebung der Zukunft aus? Wie und wo kann Big Data für den Geschäftserfolg genutzt werden? Antworten darauf liefert die Kunden-Event Reihe von Oracle und dem Oracle Platinum Partner Steria Mummert Consulting: Hier werden Strategien entwickelt, wie Unternehmen mit Information Discovery ihr BI-Potenzial auf dem Weg zur Big Data Schritt für Schritt ausbauen können. Highlights aus München Durchweg positives Feedback haben wir aus München, der ersten Station der Eventreihe am 23.7., erhalten: Nicht nur die tolle Location, das "La Villa" im Bamberger Haus, überzeugte. Die 31 Teilnehmerinnen und Teilnehmer konnten auch inhaltlich eine Menge mitnehmen – unter anderem einen konkreten Vorschlag für ihre eigene Roadmap in Richtung Big Data. Die Ausgangsfrage des Tages lautete – einfach und umfassend zugleich: Wie können wir den Überblick in einer komplexen Welt behalten? Den Status quo in Europa für Business Intelligence präsentierte Steria Mummert Consulting entlang der Europäischen biMA®-Studie 2012/13. Anhand von Anwendungsbeispielen aus ihrer Praxis präsentierten die geladenen Experten von Oracle und Steria Mummert Consulting verschiedene Lösungsansätze. Eine sehr anschauliche Demo zu Endeca zeigte beispielsweise, wie einfach und flexibel ein Dashboard sein kann: Hier gibt es keine vordefinierten Reports, stattdessen können Entscheider die Filter einfach per Drag & Drop verändern und bekommen so einen individuell sturkturierten Überblick über ihre Daten. Einen Ausblick bot die Session zu Oracle Business Analytics für mobile Anwendungen und Real-Time Decisions. Fazit: eine gelungene Mischung aus Überblicks-Informationen und ganz konkreten Ideen für die spezifischen Anwendungsbereiche der Kunden. Die Eventreihe „BI goes Big Data“ macht im August in Hamburg und Frankfurt Station. Die kostenfreie Veranstaltung findet zusammen mit Steria Mummert Consulting statt und richtet sich an Endkunden. In Hamburg am 14.8.2013 – zur AnmeldungIn Frankfurt a.M. am 20.8.2013 – zur Anmeldung

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• Business Intelligence goes Big Data

  - by Alliances & Channels Redaktion

  Big Data stellt die nächste große Herausforderung für die IT-Branche dar: Massen von Daten aus immer mehr Quellen – aus sozialen Netzwerken, Telekommunikations- und Weblogs, RFID-Lesern etc. – müssen logisch verknüpft, in Echtzeit integriert und verarbeitet werden. Doch wie sieht es mit der praktischen Umsetzung aus? Eine europaweite Studie von Steria Mummert Consulting zeigt: Lediglich 28 % der Unternehmen haben bereits heute eine übergreifende, abgestimmte Business-Intelligence-Strategie implementiert. Vorherrschend sind BI-Insellösungen, die schon jetzt an den Grenzen ihrer Kapazität arbeiten. Daten werden also bisher nur eingeschränkt als wertschöpfende Ressource genutzt! Das Ergebnis der Studie klingt erschreckend, doch Unternehmen können es zu Ihrem Vorteil nutzen: Wer jetzt das Thema Big Data anpackt, kann sich einen gewinnbringenden Vorsprung vor dem Wettbewerb sichern. Wie sieht die Analyse-Umgebung der Zukunft aus? Wie und wo kann Big Data für den Geschäftserfolg genutzt werden? Antworten darauf liefert die Kunden-Event Reihe von Oracle und dem Oracle Platinum Partner Steria Mummert Consulting: Hier werden Strategien entwickelt, wie Unternehmen mit Information Discovery ihr BI-Potenzial auf dem Weg zur Big Data Schritt für Schritt ausbauen können. Highlights aus München Durchweg positives Feedback haben wir aus München, der ersten Station der Eventreihe am 23.7., erhalten: Nicht nur die tolle Location, das "La Villa" im Bamberger Haus, überzeugte. Die 31 Teilnehmerinnen und Teilnehmer konnten auch inhaltlich eine Menge mitnehmen – unter anderem einen konkreten Vorschlag für ihre eigene Roadmap in Richtung Big Data. Die Ausgangsfrage des Tages lautete – einfach und umfassend zugleich: Wie können wir den Überblick in einer komplexen Welt behalten? Den Status quo in Europa für Business Intelligence präsentierte Steria Mummert Consulting entlang der Europäischen biMA®-Studie 2012/13. Anhand von Anwendungsbeispielen aus ihrer Praxis präsentierten die geladenen Experten von Oracle und Steria Mummert Consulting verschiedene Lösungsansätze. Eine sehr anschauliche Demo zu Endeca zeigte beispielsweise, wie einfach und flexibel ein Dashboard sein kann: Hier gibt es keine vordefinierten Reports, stattdessen können Entscheider die Filter einfach per Drag & Drop verändern und bekommen so einen individuell sturkturierten Überblick über ihre Daten. Einen Ausblick bot die Session zu Oracle Business Analytics für mobile Anwendungen und Real-Time Decisions. Fazit: eine gelungene Mischung aus Überblicks-Informationen und ganz konkreten Ideen für die spezifischen Anwendungsbereiche der Kunden. Die Eventreihe „BI goes Big Data“ macht im August in Hamburg und Frankfurt Station. Die kostenfreie Veranstaltung findet zusammen mit Steria Mummert Consulting statt und richtet sich an Endkunden. In Hamburg am 14.8.2013 – zur AnmeldungIn Frankfurt a.M. am 20.8.2013 – zur Anmeldung

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• .NET Reflector Open Source Alternative

  - by bconlon

  When I found out yesterday that one of my top 5 development tools .NET Reflector will no longer be free at the end of February, I thought I'd see if work had started on a good open source alternative...and guess what...work on ILSpy is already well underway!! There seems to be a difference of opinion on what Red Gate said when they purchased .NET Reflector from Lutz Roeder in 2008. They say that they would try to keep it free, where as others think they promised to keep it free. Either way at the time I thought it was a smart purchase by Red Gate as it would raise their profile overnight within the .Net community. But not only are they going to charge $35 for v7 (which is up to them), they have also time-bombed v6 to force users to pay. This I think will lower their profile overnight within the .Net community!! Maybe they are been slightly naive in thinking the community wouldn't just write an alternative?  #

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• TDD with SQL and data manipulation functions

  - by Xophmeister

  While I'm a professional programmer, I've never been formally trained in software engineering. As I'm frequently visiting here and SO, I've noticed a trend for writing unit tests whenever possible and, as my software gets more complex and sophisticated, I see automated testing as a good idea in aiding debugging. However, most of my work involves writing complex SQL and then processing the output in some way. How would you write a test to ensure your SQL was returning the correct data, for example? Then, say if the data wasn't under your control (e.g., that of a 3rd party system), how can you efficiently test your processing routines without having to hand write reams of dummy data? The best solution I can think of is making views of the data that, together, cover most cases. I can then join those views with my SQL to see if it's returning the correct records and manually process the views to see if my functions, etc. are doing what they're supposed to. Still, it seems excessive and flakey; particularly finding data to test against...

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• Sync profile/data/software for multiple computers?

  - by ultimatebuster

  Is it possible to sync all the user settings (interface settings, program settings), as well as programs for multiple computers? Data is not as important, though the settings (which is technically data, but not that kind of data, like music, files...) and applications are. Also, it will not sync the drivers. (Example: 1 computer uses bumblebee and the other uses ATI catalyst, and maybe there's different network drivers.. etc.)

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• How to take screenshot while a menu is open [closed]

  - by Anwar

  Possible Duplicate: How to take a screenshot of a whole desktop with app menu selection? I recently wanted to take a screen shot of a nautilus menu to provide an image to the answer of a nautilus related question. (I was looking for it). But when I opened up the menu and press the prtsrc key, nothing happened. I have also tried Shift+PrtSrc Key and Alt+PrtScr key. Result was the same. My question is : Is is not possible not take a screenshot while you have a menu open?. Is it bug or not? Note: To test this, just right-click on the desktop, and press prtsrc key.

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• Data Everywhere - Step 3 in the Stairway to Reporting Services

  In this article, MVP Jessica Moss talks about data sources and how to connect them to your report. Learn how to add the reusable data sets and data sources for your reporting projects. Join SQL Backup’s 35,000+ customers to compress and strengthen your backups "SQL Backup will be a REAL boost to any DBA lucky enough to use it." Jonathan Allen. Download a free trial now.

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• How to avoid being forked into oblivion by a more powerful contributor?

  - by Den

  As recently reported here: Xamarin has forked Cocos2D-XNA, a 2D/3D game development framework, creating a cross-platform library that can be included in PCL projects. However the founder of the project that was forked says: The purpose of the MIT license is to unencumber your fair use. Not to encourage you to take software, rebrand it as your own, and then "take it in a new direction" as you say. While not illegal, it is unethical. It seems that the GitHub page of the new project doesn't even indicate that it's a fork in a typical GitHub manner, opting for an easily-removable History section instead (see bottom). So my questions are: Was Xamarin's action and the way the action was done ethical or not? Is it possible to avoid such a situation if you are a single developer or a small unfunded group of developers? I am hoping this could be either a wiki question or there will be some objective answers grounded on modern OSS ethics/philosophy.

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• How do I recover lost/inacessible data from my storage device?

  - by TomWij

  What steps can I take to try to recover lost or inaccessible data from any storage device? Answers: This applies to any main storage devices; eg. internal/external hard drive, USB stick, Flash memory. The most important thing is to STOP using it, any type of I/O can ruin your chances of a recovery. Click here in case you suspect corruption or bad sectors. Click here in case you suspect mechanical issues.

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• Monday, 1st October: Presenting at JavaOne and Oracle Open World

  - by Darryl Gove

  On Monday 1 October I will be presenting at both JavaOne and Oracle Open World. The full conference schedule is available from here. The logistics for my sessions are as follows: JavaOne: 8:30am Monday 1 October. CON6714: "Mixed-Language Development: Leveraging Native Code from Java". San Francisco Hilton - Continental Ballroom 6 Oracle OpenWorld: 10:45am Monday 1 October. CON6382: "Maximizing Your SPARC T4 Oracle Solaris Application Performance". Marriott Marquis - Golden Gate C3 Hope to see you there!

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• Rails Launcy - open Chromium

  - by tandu

  I'm developing in rails on my computer. I'm just going along with what tutorials say, and I simply cannot find anything about how to use launchy during development on the Internet .. period. There are two problems: I'd like launchy to open Chromium (it opens Firefox). Chromium is set as my default browser. I save files constantly, and launchy will run each time, which is terrible. Is there any way to only get it to run when you actually want? This also applies to guard, but it's not nearly as annoying with guard.

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• COOP - Co-operate library to transfer data between processes

  Co-operate library to start another process and transfer data between processes

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• Oracle Social Analytics with the Big Data Appliance

  - by thegreeneman

  Found an awesome demo put together by one of the Oracle NoSQL Database partners, eDBA, on using the Big Data Appliance to do social analytics. In this video, James Anthony is showing off the BDA, Hadoop, the Oracle Big Data Connectors and how they can be used and integrated with the Oracle Database to do an end-to-end sentiment analysis leveraging twitter data.   A really great demo worth the view. 

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• NDC 2011!

  - by Chris Hardy (ChrisNTR)

  I'm luckily getting the opportunity to speak at NDC 2011 this year. Last year was a blast and I'm sure 2011 is going to be no different. I'm going to be speaking on the second day ( Thursday June 9th ) and I'll be joined in track four with some other awesome mobile guys too! At the moment, the whole agenda hasn't been confirmed and I guess is still likely to change so make sure you keep on checking for new speakers. Don't forget that Scott Guthrie is keynoting the whole conference! I'm going to be...(read more)

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• Excel 2013 Data Explorer and GeoFlow make 3-D maps quick and easy

  - by John Paul Cook

  Excel add-ins Data Explorer and GeoFlow work well together, mainly because they just work. Simple, fast, and powerful. I started Excel 2013, used Data Explorer to search for, examine, and then download latitude-longitude data and finally used GeoFlow to plot an interactive 3-D visualization. I didn’t use any fancy Excel commands and the entire process took less than 3 minutes. You can download the GeoFlow preview from here . It can also be used with Office 365. Start by clicking the DATA EXPLORER...(read more)

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• Microsoft Offloaded Data Transfer (ODX)

  - by Charles Cline

  For all you admins and other technical people out there who have watched the Windows OS spool the data from network storage to your workstation and then back to network storage, watch for Offloaded Data Transfer (ODX).  I saw ODX at TechEd a few weeks ago and the data movement is primarily kept at the backend storage network.  EMC and other storage vendors are already posting about when they will have this functionality.Here's some information about it:http://msdn.microsoft.com/en-us/library/windows/desktop/hh848056(v=vs.85).aspxhttp://msdn.microsoft.com/en-us/library/windows/desktop/hh848056(v=vs.85).aspx

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• What is the "default" software license?

  - by Tesserex

  If I release some code and binaries, but I don't include any license at all with it, what are the legal terms that apply by default (in the US, where I am). I know that I automatically have copyright without doing anything, but what restrictions are there on it? If I upload my code to github and announce it as a free download / contribute at will, then are people allowed to modify and close source my work? I haven't said that they cannot, as a GPL would, but I don't feel that it would by default be acceptable to steal my work either. So what can and cannot people do with code that is freely available, but has absolutely no licensing terms attached? By the way, I know that it would be a good idea for me to pick a license and apply it to my code soon, but I'm still curious about this. Edit Thanks! So it looks like the consensus is that it starts out very restricted, and then my actions imply any further rights. If I just put software on my website with no security, it would be an infringement to download it. If I post a link to that download on a forum, then that would implicitly give permission to use it for free, but not distribute it or its derivatives (but you can modify it for your own use). If I put it on GitHub, then it is conveyed as FOSS. Again, this is probably not codified exactly in law but may be enough to be defensible in court. It's still a good idea to post a complete license to be safe.

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• String or binary data would be truncated.

  - by Derek Dieter

  This error message is relatively straight forward. The way it normally happens is when you are trying to insert data from a table that contains values that have larger data lengths than the table you are trying to insert into. An example of this would be trying to insert data from a permanent table, into [...]

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