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• How frequently Googlebot fetch sitemaps? Is it depending on page rank?

  - by JITHIN JOSE

  How much frequently google fetches sitemaps? I am now working with a high traffic website normally have 30 new posts per minute.But currently it provides sitemaps which links to new 100 posts(3 minutes). Is this method is enough ?. Is Bots fetch sitemaps every 3 minutes?. Did need to change sitemaps to list all 5M posts(indexed sitemaps)?. How this change will effect on traffic and page rank. Is google bot remove urls that previously listed on sitemap but not now?

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• A Great Idea I Never Had. Better Elevator Automation, no Buttons in Elevator.

  After my second year at engineering school (Cornell University), I spent the summer working in a dream job as an intern at the world famous Ford Design Center in Dearborn Michigan.  The group I... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How to distribute a unique database already in production?

  - by JVerstry

  Let's assume a successful web spring application running on a MySql or PostGre kind of database. The traffic is becoming so high and the amount of data is becoming so big that a distributed dataase solution needs to be implemented. It is a scalability issue. Let's assume this application is using Hibernate and the data access layer is cleanly separated with DAO objects. What would be the best strategy to scale this database? Does anyone have hands on experience to share? Is it possible to minimize sharding code (Shard) in the application? Ideally, one should be able to add or remove databases easily. A failback solution is welcome too. I am not looking for you could go for sharding or you could go no sql kind of answers. I am looking for deeper answers from people with experience.

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• I am thinking about developing a game, but i am single developer? [on hold]

  - by Jake Doe

  Since very little i wanted to create a game, my place where my rules apply, where i am not limited. Now that i am capable of doing. I am asking myself should i start ? I have already the idea i have choosen the engine, only coding and artwork is required. The engine i have choose cost is quite high(50k), i can try throught a kickstarter campaign or indiegogo. But shouid I ? Please give me your opinion. Thank you :)

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• How are trajectories calculated and transmitted to other players in Multi-Player ?

  - by giulio

  I play alot of COD4. And can see tracers for gunfire, missles, care packages fall from helicopters etc. There is alot of activity. I am curious to know the algorithm (at a high level) that manages all this action when you have 20 people on a map shooting each other to death ? This question touches on the subject but doesn't ask for a more in-depth answer as to how you the developers go about calculating and transmitting movement and collision detection for projectiles, be it missles/bullets or any other object that is flying through the air in real-time.

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• Job and degree problem [closed]

  - by Sepala

  I am 22. Software Development - Final year. I am seeking for a 8 hour per day, saturday half day, sunday off job (Sunday is the degree day). I don't know whether I can move a job with responsibilities while doing my degree. Sometmes these people say the working hours might get extended in some days. Have you done a high responsible job, while in ur final year? If yes, how? Did u get very bet results? Please answer. PS. Why I am asking this is mainly I am a person who do lot of self studies. These days I am on VLCJ and Java face recognition technology.

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• What is the difference between these senior software engineer titles?

  - by stackoverflowuser2010

  I'm currently a senior research software engineer at a large company and am being offered a "senior staff engineer" position somewhere else. I am not sure if the new position's title conveys a sideways move or an advancement. So, all other things being roughly equal (salary, domain of expertise, etc.), what is the external difference between these software engineer titles (in general and regardless of any particular company, if possible): senior engineer senior research engineer senior staff engineer member of technical staff principal engineer Edit: Let me elaborate on "member of technical staff" since it's kind of uncommon. I think it's a high title, commonly associated with research. I know that Oracle, VMWare, and the old Bell Labs have these titles. See: Member of Technical Staff . I know what it means, but I don't know how it stacks up against the other titles, which is why I asked.

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• About to graduate from good school without any progamming skills

  - by newprint

  Not sure if it is good place to ask this question, but found this section to be suitable. I am about to graduate from a good school (in the US) with Computer Science degree, having good grades and high GPA. I have no freaking clue how to write a good program, how to properly test it... nada, zero. We were never been taught how to write software. Ye, sure the Comp. Architecture class is important, and I can tell you a lot about how MIPS processor works, and I can tell you about Binary Trees and Red-Black Trees and running time of operations in Big Oh, but it has nothing to do with programming in "real" life. For god sake, none of my classmates know how to use STLs or write templated code! To be honest, I found that many of my classes to be waste of time. What should I do ? How to step into real life and learn how to program ?

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• How to keep a team well-trained?

  - by PierrOz

  Hi dear fellows, I'm currently mentoring a small team of 4 junior dev in small software company. They are very smart and often achieve their tasks with a high-quality job but I'm sure they still can do better - actually I have exactly the same feeling for myself :) -. Besides some of them are more "junior" than other. So I would like to find of a funny way to improve their CS skills (design, coding, testing, algorithmic...) in addition to the experience they acquire in their daily work. For instance, I was thinking of setting up weekly sessions, not longer than 2 hours, where we could get together to work on challenging CS exercises. A bit like a coding dojo. I'm sure the team would enjoy that but is it really a good idea? Would it be efficient in a professional context? They already spend all their week to code so how should I organize that in order for them to get some benefits? Any feedback welcome !

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• BPI onDemand to present at the Sales Director Live Event - London November 22-23

  - by Richard Lefebvre

  BPI OnDemand will be exhibiting and presenting a seminar at the Sales Director Live event, on 22nd and 23rd November, at Olympia in London. http://www.salesdirectorlive.co.uk/ BPI OnDemand provide configured CRM solutions for organisations across industries. It is the only company offering a ZERO up front cost implementation model....so there's no longer a need to pay large project budgets to get started. “Working with BPI OnDemand has been a very positive experience. BPI OnDemand demonstrated a high level of professionalism and service and were always available to answer questions—throughout the initial implementation and beyond. Their involvement added to the extreme value of our new CRM solution, as we were able to tailor the product specifically to our needs,” said Phil Hill, CIO, BMS Group. www.thebpiway.com

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• Why do HDFS clusters have only a single NameNode?

  - by grautur

  I'm trying to understand better how Hadoop works, and I'm reading The NameNode is a Single Point of Failure for the HDFS Cluster. HDFS is not currently a High Availability system. When the NameNode goes down, the file system goes offline. There is an optional SecondaryNameNode that can be hosted on a separate machine. It only creates checkpoints of the namespace by merging the edits file into the fsimage file and does not provide any real redundancy. Hadoop 0.21+ has a BackupNameNode that is part of a plan to have an HA name service, but it needs active contributions from the people who want it (i.e. you) to make it Highly Available. from http://wiki.apache.org/hadoop/NameNode So why is the NameNode a single point of failure? What is bad or difficult about having a complete duplicate of the NameNode running as well?

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• Google I/O 2012 - Android WebView

  Google I/O 2012 - Android WebView Nicolas Roard Hundred of thousands of Android applications use WebView to display HTML content. In Android 4.0 it's hardware-accelerated, which allows support for HTML5 features such as inline video, CSS 3d, CSS animations, and overflow elements. This talk will give an overview of the underlying implementation in ICS, explain how to best take advantage of WebView in your application, and cover best practices for high-performance HTML code. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 83 3 ratings Time: 52:04 More in Science & Technology

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• In which directory to write game save files/data?

  - by Klaim

  I need a definite list of directories, one or more per platform, where to put game save files and other game generated data. Either based no the OS developer specification, or because it is common usage if there is no recommandation. Please provide one answer per platform, with different directories. Also, example of how to get the directory location in C++ or C is best, as it's the language you'll have more hard time. Locations: Player's game data (saved games, config). Shared game data (like high-score or config for all computer users). Temporary game data (aka cache directory).

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• Handling SMS/email convergence: how does a good business app do it?

  - by Tim Cooper

  I'm writing a school administration software package, but it strikes me that many developers will face this same issue: when communicating with users, should you use email or SMS or both, and should you treat them as fundamentally equivalent channels such that any message can get sent using any media, (with long and short forms of the message template obviously) or should different business functions be specifically tailored to each of the 3? This question got kicked off "StackOverflow" for being overly general, so I'm hoping it's not too general for this site - the answers will no doubt be subjective but "you don't need to write a whole book to answer the question". I'm particularly interested in people who have direct experience of having written comparable business applications. Sub-questions: Do I treat SMS as "moderately secure" and email as less secure? (I'm thinking about booking tokens for parent/teacher nights, permission slips for excursions, absence explanation notes - so high security is not a requirement for us, although medium security is) Is it annoying for users to receive the same message on multiple channels? Should we have a unified framework that reports on delivery or lack thereof of emails and SMS's?

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• OTN, T-Shirts, and Tunes at Mezzanine - Tuesday Oct 2.

  - by Bob Rhubart

  By now you've probably heard about the Oracle OpenWorld Music Festival, which will bring an incredible array of bands, spanning the spectrum of genres, to several venues throughout San Francisco. The festival runs Sunday through Thursday, with a break on Wednesday for the Oracle Appreciation Event on Treasure Island featuring Pearl Jam, Kings of Leon, and X. ***CORRECTION*** What you probably don't know is that OTN is sponsoring the Tuesday night Festival show at Mezzanine (444 Jessie Street at Mint), featuring:  GOLDEN STATEDEATH VALLEY HIGH LOW FLYING OWLS The OTN crew will be on hand, passing out t-shirts and resisting the temptation to misbehave. Mostly. 

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• Is there any way to discover the traffic of a site I don't control?

  - by George Bailey

  Given the following: The website does not call any external images or scripts, all the content is hosted on a server that is in our control. The website does not contain the meta tag, nor does it contain the html file that would authorize a Google Account access to Webmaster Tools. The access logs have not been provided to any 2nd or 3rd party. Is it possible for a 3rd party to get an idea of how many hits the site is getting, or are they limited to just seeing how high the site ranks? How could the 3rd party determine how well the site is doing under these restrictions? Is there a website for that that you know of?

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• Learning the basics

  - by Kevin

  I am a Linux server administrator first and foremost... Having said that, I have been asked by a former high school teacher of mine to teach students a bit about programming. Like any Linux administrator, I know my fair share of Python and Bash. The problem is that I know NOTHING about the lower level stuff like "machine code" and compilation. The main purpose of this series is to teach programming, not computer science, so I don't need a graduate degree's level of knowledge for this, they will be learning Python first and foremost. However, I would like to learn enough to at least broach the subject with them, any ideas where I can learn that kind of stuff relatively quickly?

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• how to design transparent screen in libgdx

  - by ved

  this question is for LibGdx geeks. I want to make transparent screen in my game. For example, when level completes I want a new transparent screen pop up and show player's high score, buttons to navigate on next level etc like in angry birds kind of screen. This type of screen can also use, when user click on pause button, to show pause screen. Please guide me to design this kind of screen. Or if I am going wrong to make transparent screens for this kind of situation. Please guide me for better one.

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• How do I get a D-Link DWL-G520 working?

  - by human33

  I have Ubuntu 12.04 on an older desktop PC, and I am finding it much harder to connect to a wifi connection than it should be. I have an iPhone with which I want to tether to it with Mifi 4.0, but I need to install ipheth which I can't do without internet on that computer. I am typing from my other windows pc with which i can download and move hings with thumb drives, but haven't gotten keryx to work. I also found a D-Link DWL-G520 HIGH SPEED 2.4GHZ (802.11G) WIRELESS 108MBPS PCI ADAPTER which I installed, but can't find a driver to put on a flashdrive to use it. If anybody has any ideas, they are appreciated. I am a noob, and I don't want to have to move the comp. downstairs to plug into the modem. PS: I also have a netgear USB network adapter, which doesn't work with my Ubuntu.

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• Introducing the Hardware Sales Consultant (Presales) Team in Greece

  - by fboufis

  Hello World and welcome to the blog of the Oracle Hardware Presales Team in Athens.The team is responsible for a cluster of six (6) countries which includes Greece, Cyprus, Malta, The Former Yugoslav Republic of Macedonia, Albania and Kosovo.We handle the complete hardware & systems software portfolio, namely: Engineered Systems: Purpose-build and General-purpose solutions Servers: SPARC (M & T-Series) & x86 (X-Series) servers Operating Systems: Oracle Solaris & Oracle Linux Virtualization Technologies: Oracle VM, Solaris Zones & Dynamic Domains Storage: NAS (ZFSSA), SAN (Axiom) & Tape (StorageTek) Systems Software: High Availability (Solaris Cluster) & Systems Management (Ops Center) and a multitude of other products, all of which will be the main topic of our blog. We design and propose solutions based on these products and assist both customers and partners in integrating those solutions in existing datacenters.We will be happy to support you in your projects, provide information and discuss your business issues, so do not hesitate to contact us.Filippos Boufis – Oracle Hardware Principal Sales Consultant

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• Reasons for Pair Programming

  - by Jeff Langemeier

  I've worked in a few shops where management has passed the idea of pair programming either to me or another manager/developer, and I can't get behind it at all. From a developer stand-point I can't find a reason why moving to this coding style would be beneficial, nor as a manager of a small team have I seen any benefit. I understand that it helps on basic syntax errors and can be helpful if you need to hash something out, but managers that are out of the programming loop seem to keep seeing it as a way of keeping their designers from going to Facebook or Reddit than as a design tool. As someone close to the development floor that apparently can't quite understand from a book tossed my way or a wiki page on the subject... from a high level management position, what are the benefits of Pair Programming when dealing with Scrum or Agile environments?

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• Just Finished My Presentation at SLO! (Central Coast Code Camp At Cal Poly)

  I love code camps!  This is my first time to San Luis Obispos Central Coast Code Camp and Im really enjoying it.  It started last night with the presenters dinner at a great local steak... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Finding Internship Opportunities

  - by mbreedlove

  I am a senior in high school majoring in Computer Science next fall. This summer, I would like to intern at a company relevant to my interests of investment banking and software engineering. What would be some possible ways to find openings? How should I contact them? (E-mail, phone, etc.) Should I prepare and submit a CV? I feel it might be a little dull as it would have no experience or references. After contacting someone about an internship, should I follow up, or just wait for them to contact me? Is there anything else I should do or be aware of?

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• Oracle Communications Calendar Server: Upgrading to Version 7 Update 3

  - by joesciallo

  It's been some time since I have posted an entry. Now, with the release of Oracle Communications Calendar Server 7 Update 3, it seems high time to jump start this blog again. To begin with, check out what's new in this release: Authenticating Against an External Directory Booking Window for Calendars Changes to the davadmin Command Enable and Disable Account Autocreation LDAP Pools New Configuration Parameters New Languages New populate-davuniqueid Utility New Schema Objects Non-active Calendar Accounts Are No Longer Searched or Fetched Remote Document Store Authentication The upgrade is a bit more complicated than normal, as you must first apply some new schema elements to your Directory Server(s). To do so, you need to get the comm_dssetup 6.4 patch, patch the comm_dssetup script, and then run the patched comm_dssetup against your Directory Server(s) instances. In addition, if you are using the nsUniqueId attribute as your deployment's unique identifier, you'll want to change that to the new davUniqueId attribute. Consult the Upgrade Procedure for details, as well as DaBrain's blog, before forging ahead with this upgrade. Additional quick links: Problems Fixed in This Release Known Issues Calendar Server Unique Identifier Changes to the davadmin command Get the Calendar Server patch Get the comm_dssetup patch

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• Good Intro to Computer Science Book for FE Developer [on hold]

  - by Squirkle

  I am a JavaScript developer/architect who, like many developers these days, did not come from a Computer Science background (I studied Philosophy at a liberal arts college), but instead learned development by actually building applications, and by reading books explaining language grammars, design patterns, and best practices. I have never felt that my ignorance of CS concepts has hurt my ability to build great apps or find employment. Recently, however, I have felt the itch to grow in this direction. Do you have any suggestions for some good introductory CS resources/books? I know that Computer Science is a huge field and my question is very general, but I am looking for a 101-type survey of the high-level concepts, from which I can branch off into more specific areas of study. Thanks!

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