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  • Precising definition of programming paradigm

    - by Kazark
    Wikipedia defines programming paradigm thus: a fundamental style of computer programming which is echoed in the descriptive text of the paradigms tag on this site. I find this a disappointing definition. Anyone who knows the words programming and paradigm could do about that well without knowing anything else about it. There are many styles of computer programming at many level of abstraction; within any given programming paradigm, multiple styles are possible. For example, Bob Martin says in Clean Code (13), Consider this book a description of the Object Mentor School of Clean Code. The techniques and teachings within are the way that we practice our art. We are willing to claim that if you follow these teachings, you will enjoy the benefits that we have enjoyed, and you will learn to write code that is clean and professional. But don't make the mistake of thinking that we are somehow "right" in any absolute sense. Thus Bob Martin is not claiming to have the correct style of Object-Oriented programming, even though he, if anyone, might have some claim to doing so. But even within his school of programming, we might have different styles of formatting the code (K&R, etc). There are many styles of programming at many levels. Sp how can we define programming paradigm rigorously, to distinguish it from other categories of programming styles? Fundamental is somewhat helpful, but not specific. How can we define the phrase in a way that will communicate more than the separate meanings of each of the two words—in other words, how can we define it in a way that will provide additional meaning for someone who speaks English but isn't familiar with a variety of paradigms?

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  • Optimising bare-metal hypervisor installation

    - by Stephen
    what is the best way to install a bare metal hypervisor (i.e. to host multiple VM's)? I spoke to a friend and he is using a HP server to host all his VMs with VMware ESXi, but he installed the VMWARE esxi software on a flash card. He can then use his full hard disk capacity from each drive for the VMs. Is this a pretty standard setup when configuring a bare-metal hypervisor? How do you guys do it, and what is best?

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  • XSP2 hangs after some time

    - by Sebi
    I'm running a REST/JSON webservice (SVC) using xsp2 (and xsp2 through Apache/mod_mono). After some hours, the service just hangs and outputs a timeout after about 5 minutes. This can only be solved by restarting xsp2. Sometimes multiple restarts are needed to get it running again. I've made a small sample webservice simply returning a "pong". The example is available in the bug report: https://bugzilla.novell.com/show_bug.cgi?id=608158 The bug can sometimes be reproduced following these steps: Steps to Reproduce: 1. start xsp2 (webservice) 2. request http://[server]/WSPing.svc/ping Actual Results: After some time, I always get timeouts. I'm running a gentoo linux as a XEN DomU and i'm using Visual Studio to build and publish the service. Any hints???

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  • Solaris 11 : les nouveautés vues par les équipes de développement

    - by Eric Bezille
    Translate in English  Pour ceux qui ne sont pas dans la liste de distribution de la communauté des utilisateurs Solaris francophones, voici une petite compilation de liens sur les blogs des développeurs de Solaris 11 et qui couvre en détails les nouveautés dans de multiples domaines.  Les nouveautés côté Desktop What's new on the Solaris 11 Desktop ? S11 X11: ye olde window system in today's new operating system Accessible Oracle Solaris 11 - released ! Les outils de développements Nagging As a Strategy for Better Linking: -z guidance Much Ado About Nothing: Stub Objects Using Stub Objects The Stub Proto: Not Just For Stub Objects Anymore elffile: ELF Specific File Identification Utility Le nouveau système de packaging : Image Packaging System (IPS) Replacing the Application Packaging Developer's guide IPS Self-assembly - Part 1: overlays Self Assembly - Part 2: Multiple Packages Delevering configuration La sécurité renforcée dans Solaris Completely disabling root logins in Solaris 11 Passwork (PAM) caching for Solaris su - "a la sudo" User home directory encryption with ZFS My 11 favorite Solaris 11 features (autour de la sécurité) - par Darren Moffat Exciting crypto advances with the T4 processor and Oracle Solaris 11 SPARC T4 OpenSSL Engine Solaris AESNI OpenSSL Engine for Intel Westmere Gestion et auto-correction d'incident - "Self-Healing" : Service Management Facility (SMF) & Fault Management Architecture (FMA)  Introducing SMF Layers Oracle Solaris 11 - New Fault Management Features Virtualisation : Oracle Solaris Zones These are 11 of my favorite things! (autour des zones) - par Mike Gerdts Immutable Zones on Encrypted ZFS The IPS System Repository (avec les zones) - par Tim Foster Quelques bonus de la communauté Solaris  Solaris 11 DTrace syscall Provider Changes Solaris 11 - hostmodel (Control send/receive behavior for IP packets on a multi-homed system) A Quick Tour of Oracle Solaris 11 Pour terminer, je vous engage également à consulter ce document de référence fort utile :  Transition from Oracle Solaris 10 to Oracle Solaris 11 Bonne lecture ! Translate in English 

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  • Meaning of offset in pygame Mask.overlap methods

    - by Alan
    I have a situation in which two rectangles collide, and I have to detect how much did they collide so so I can redraw the objects in a way that they are only touching each others edges. It's a situation in which a moving ball should hit a completely unmovable wall and instantly stop moving. Since the ball sometimes moves multiple pixels per screen refresh, it it possible that it enters the wall with more that half its surface when the collision is detected, in which case i want to shift it position back to the point where it only touches the edges of the wall. Here is the conceptual image it: I decided to implement this with masks, and thought that i could supply the masks of both objects (wall and ball) and get the surface (as a square) of their intersection. However, there is also the offset parameter which i don't understand. Here are the docs for the method: Mask.overlap Returns the point of intersection if the masks overlap with the given offset - or None if it does not overlap. Mask.overlap(othermask, offset) -> x,y The overlap tests uses the following offsets (which may be negative): +----+----------.. |A | yoffset | +-+----------.. +--|B |xoffset | | : :

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  • Why I Love the Social Management Platform I Use

    - by Mike Stiles
    Not long ago, I asked the product heads for the various components of the Oracle Social Cloud’s SRM to say what they thought was coolest about their component. And while they did a fine job, it was recently pointed out to me that no one around here uses the platform in a real-world setting more than I do, as I not only blog and podcast my brains out, I also run Oracle Social’s own social properties. Of course I’m pro-Oracle Social’s product. Duh. But if you can get around immediately writing this off as a puff piece, there are real reasons beyond my employment that the Oracle SRM works for me as a community manager. If it didn’t, I could have simply written about something else, like how people love smartphones or something genius like that. Post Grid I like seeing what I want to see. I’m difficult that way. Post grid lets me see all posts for all channels, with custom columns showing me how posts are doing. I can filter the grid by social channel, published, scheduled, draft, suggested, etc. Then there’s a pullout side panel that shows me post details, including engagement analytics. From the pullout, I can preview the post, do a quick edit, a full edit, or (my favorite) copy a post so I can edit it and schedule it for other times so I don’t have to repeat from scratch. I’m not lazy, just time conscious. The Post Creation Environment Given our post volume, I need this to be as easy as it can be. I can highlight which streams I want the post to go out on, edit for the individual streams, maintain a media library that’s easy to upload to and attach from, tag posts, insert links that auto-shorten to an orac.le shortlink, schedule with a nice calendar visual, geo-target, drop photos inline into Twitter, and review each post. Watching My Channels The Engage component of the Oracle SRM brings in and drops into a grid the activity that’s happening on all my channels. I keep this open round-the-clock. Again, I get to see only what I want; social network, stream, unread messages, engagement by how I labeled them, and date range. I can bring up a post with a click, reply, label it, retweet it, assign it, delete it, archive it, etc. So don’t bother trying to be a troll on my channels. Analytics Social publishing and engaging 24/7 would be pretty unrewarding if I couldn’t see how our audience was responding. Frankly, I get more analytics than I know what to do with (I’m a content creator, not a data analyst). But I do know what numbers I care about, and they’re available by channel, date range, and campaigns. I’m seeing fan count, sources and demographics. I’m seeing engagement, what kinds of posts are getting engagement, and top engagers. I’m seeing my reach, both organic and paid. I’m seeing how individual posts performed in terms of engagement and virality, and posting time/date insight. Have I covered all the value propositions? I’ve covered pathetically few of them. It would be impossible in blog length to give shout-outs to the vast number of features and functionalities. From organizing teams and managing permissions with Workflow to the powerful ability to monitor topics (and your competition) across the web in Listen, it’s a major, and increasingly necessary, weapon in your social marketing arsenal. The life of a Community Manager is not for everybody. So if the Oracle SRM can actually make a Community Manager’s life easier, what’s not to love? I invite you to take a look at and participate in our Oracle Social Cloud social channels! Facebook Twitter YouTube Google Plus LinkedIn Daily Podcast on iHeartRadio @mikestiles @oraclesocial Photo: freeimages.com

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  • Animating DOM elements vs refreshing a single Canvas

    - by mgibsonbr
    A few years ago, when the HTML Canvas element was still kinda fresh, I wrote a small game in a rather "unusual" way: each game element had its own canvas, and frequently animated elements even had multiple canvases, one for each animation sprite. This way, the translation would be done by manipulating the DOM position of the canvases, while the sprite animation would consist of altering the visibility of the already drawn canvases. (z-indexes, of course, were the tricky part) It worked like a charm: even in IE6 with excanvas it showed a decent performance, and everything was rather consistent between browsers, including some smartphones. Now I'm thinking in writing a larger game engine in the same fashion, so I'm wondering whether it would be a good idea to do so in the current context (with all the advances in browsers and so on). I know I'm trading memory for time, so this needs to be customizable (even at runtime) for each machine the game will be running. But I believe using separate canvases would also help to avoid the game "freezing" on CPU spikes, since the translation would still happen even if the redraws lag for a while. Besides, the browsers' rendering engines are already optimized in may ways, so I'm guessing this scheme would also reduce the load on the CPU (in contrast to doing everything in JavaScript - specially the less optimized ones). It looks good in my head, but I'd like to hear the opinion of more experienced people before proceeding further. Is there any known drawback of doing this? I'm particulartly unexperienced in dealing with the GPU, so I wonder whether this "trick" would nullify any benefit of using a single, big canvas. Or maybe on modern devices it's overkill (though I'm skeptic about the claims that canvas+js - especially WebGL - will ever be a good alternative to native code). Any thoughts?

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  • Draw depth works on WP7 emulator but not device

    - by Luke
    I am making a game on a WP7 device using C# and XNA. I have a system where I always want the object the user is touching to be brought to the top, so every time it is touched I add float.Epsilon to its draw depth (I have it set so that 0 is the back and 1 is the front). On the Emulator that all works fine, but when I run it on my device the draw depths seem to be completely random. I am hoping that anybody knows a way to fix this. I have tried doing a Clean & Rebuild and uninstalling from the device but that is no luck. My call to spritebatch.Begin is: spriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.AlphaBlend); and to draw I use spriteBatch.Draw(Texture, new Rectangle((int)X, (int)Y, (int)Width, (int)Height), null, Color.White, 0, Vector2.Zero, SpriteEffects.None, mDrawDepth); Where mDrawDepth is a float value of the draw depth (likely to be a very small number; a small multiple of float.Epsilon. Any help much appreciated, thanks!

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  • What is "2LUN" mode in connection with RAID?

    - by naxa
    I've came across RAID products that also list JBOD (just a bunch of disks) mode and 2LUN mode. What the heck is 2LUN mode? I could not find a description; the closest thing seems to be LUN 'logical unit number' but I don't get the 2LUN thing. UPDATE 1 This is what Wikipedia has to say about JBOD: JBOD (derived from "just a bunch of disks"): an architecture involving multiple hard drives, while making them accessible either as independent hard drives, or as a combined (spanned) single logical volume with no actual RAID functionality. So JBOD can actually mean two different (albeit related) things. Answer of Guest says 2LUN means no spanning. Does this suggest that 2LUN would simply mean the JBOD-variant with no span?

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  • Is taking a semester or year off from college a good idea?

    - by astrieanna
    I am currently a Junior majoring in Computer Science at a top university (in the USA). As I'm really getting tired of taking classes, I was wondering if taking a semester or year off to do an internship(s) is a reasonable idea? It seems like it would give me more experience programming (making classes a bit easier), and give me a chance to recover from the burnout that comes from taking 18 credits a semester. A friend suggested that I just take a lighter course load, but I only have 2 more semesters of financial aid, so I need to take 18 credits in each of them in order to finish. Taking time off from school is not a normal thing to do, at least at this school. Since more internships are advertised for the summer (that I've seen), I was wondering if there are internships available in times other than the summer? If I took off for a whole year, would it be more valuable to try to stay at the same company for the whole time or to try to get a series of internships at different ones? Valuable in both the sense of resume value and personal value. Would it be easier or harder to get multiple shorter internships?

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  • Seeing a pre-logon app's GUI after logon (or ever)

    - by JimB
    I'm looking for either a method to achieve this, or a clear reason why it's not possible. I use Scheduled Tasks to start an app with a GUI at system startup. I want to see that GUI's screen after logon without restarting it. I'm willing to type a password and/or re-logon and/or or use whatever app or tool to help, including changing the way I run the GUI app. It just can't wait for a user logon to start. How do I do it? Or if it's absolutely impossible, why? I've read about "Shatter attacks" but that doesn't seem to cover this. I'm most interested in XP and Windows7. If multiple solutions exist, of course I'd prefer the most convenient, flexible and/or open source.

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  • Best practice? Using DPM to backup VMs within each VM or through the host?

    - by andrew
    We've got two Hyper-V hosts running multiple VMs (all flavors of Windows Servers). One of the VMs is running MS Data Protection Manager 2010, which runs beautifully (most of the time) and is connected to a separate NAS via iSCSI for the DPM storage. I noticed when I installed the DPM agent on the Hyper-V hosts, it enumerates the VMs in the DPM Protection listing. I don't want to burn through my storage space too fast with duplicate protection, so I was wondering: Is it recommended to back up VMs through the host, or is it better to install the DPM agent on each VM and backup as I would any other machine? It would seem as though most people (currently including me) do it the second way, but is there any advantage to including the entries under HyperV (Backup using Child Partition Snapshop)?

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  • need help writing puppet module for sssd.conf using Hiera

    - by mr.zog
    I need to build a module to manage /etc/sssd/sssd.conf on our Red Hat VMs. The sssd modules published on the forge don't seem to do what I want, nor do I feel like forking any of them. I want to keep all the configuration data in Hiera's common.yaml file. Below is my sssd.conf file. [sssd] config_file_version = 2 services = nss, pam domains = default [nss] filter_groups = root filter_users = root reconnection_retries = 3 entry_cache_timeout = 300 entry_cache_nowait_percentage = 75 [pam] [domain/default] auth_provider = ldap ldap_id_use_start_tls = True chpass_provider = ldap cache_credentials = True ldap_search_base = dc=ederp,dc=com id_provider = ldap ldap_uri = ldaps://lvldap1.lvs01.ederp.com/ ldaps://lvldap2.lvs01.ederp.com/ ldap_tls_cacertdir = /etc/openldap/cacerts What is the best, most economical way to build the sssd.conf file? Should I have multiple .pp files such as domain.pp, pam.pp etc. or should all the lines of configuration land in init.pp?

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  • Android threads trouble wrapping my head around design

    - by semajhan
    I am having trouble wrapping my head around game design. On the android platform, I have an activity and set its content view with a custom surface view. The custom surface view acts as my panel and I create instances of all classes and do all the drawing and calculation in there. Question: Should I instead create the instances of other classes in my activity? Now I create a custom thread class that handles the game loop. Question: How do I use this one class in all my activities? Or do I have to create a separate instance of the extended thread class each time? In my previous game, I had multiple levels that had to create an instance of the thread class and in the thread class I had to set constructor methods for each separate level and in the loop use a switch statement to check which level it needs to render and update. Sorry if that sounds confusing. I just want to know if the method I am using is inefficient (which it probably is) and how to go about designing it the correct way. I have read many tutorials out there and I am still having lots of trouble with this particular topic. Maybe a link to a some tutorials that explain this? Thanks.

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  • How can I set up sendmail to forward all mail to an external MTA?

    - by unknown (google)
    We have multiple applications that currently talk SMTP to an external MTA. The emails have arbitrary destination domains (they're emails to be sent to our users), but all from the same internal domain ([email protected]). I want to set up an internal MTA (i guess with sendmail) that queues all mails, and have the internal MTA forward these emails to the external MTA, because the external MTA occasionally goes down and this causes various problems in our applications. I figure I can set up sendmail as a queuing middleware. If the above assumptions are correct, what would the sendmail configuration look like? The 'mailertable' feature looks promising, and so does 'SMART_HOST'. Any thoughts before I explore these possibilities? Jae

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  • Sending an Email from 2 Mail Servers

    - by Ted Smith
    We are currently attempting to move away from using a "local" mail(exchange) server to an cloud based offering for all our automated emails. The problem is that we send and receive thousands for emails a day and its uptime is quite critical so the business do not want to put all their eggs in one basket, so if we would like to use a cloud based offering(mailgun) they would like a backup if this goes down. So my question is: Would it be possible to set multpile A, TXT and CNAME records to multiple IP address so if one mail server goes down we can automatically start sending emails from the fallover(without them being blocked doing a reverse DNS lookup)? I know we will still need to adjust the MX record for incoming emails but that is acceptable to not receive emails for a short(1-2 hours) of time. Does this make sense?

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  • Change the Integrated Weblogic Port number

    - by pavan.pvj
    There came a situation where I wanted to work with two JDevelopers simultaneously and start two different applications in two JDEVs. (Both of them have to in separate installation location, else it will create a problem because of system directory).Now, when we want to start WLS in JDEV, only the first one will be started and the other one fails with an exception of port conflict. Until few days back, $1million dollar question was how to change the integrated WLS port number?So, heres the answer after some R&D. In the view menu, click on "Application Server Navigator". Right click on Integrated Weblogic server.1) If it is the first time that you are trying to start the server, then there is a menu "Create Default Domain". If you click on this, a window will be displayed where it asks for the preferred port number. Change it here.2) If the domain is already created, then click on Properties and change the preferred port number.Again, if you want to change the port before starting JDEV from the file system, then goto $JDEV_USER_HOME/systemxxx/o.j2ee and open the file adrs-instances.xml and change the http-port in the startup-preferences:<hash n="startup-preferences">   <value n="http-port" v="7111"/></hash>Note 1: adrs-instances.xml will be created ONLY after you create the default domain.Note 2: systemxxx - refers to system.<JDEV version> like system.11.1.1.3.56.59 for PS2.Note 3: $JDEV_USER_HOME - in windows - would be C:\Documents and Settings\[user_name]\Application Data\JDeveloper"Now, you can run multiple Integrated WLS simultaneously. But please be aware that running more than one WLS server will degrade system performance.

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  • Things I've noticed with DVCS

    - by Wes McClure
    Things I encourage: Frequent local commits This way you don't have to be bothered by changes others are making to the central repository while working on a handful of related tasks.  It's a good idea to try to work on one task at a time and commit all changes at partitioned stopping points.  A local commit doesn't have to build, just FYI, so a stopping point doesn't mean a build point nor a point that you can push centrally.  There should be several of these in any given day.  2 hours is a good indicator that you might not be leveraging the power of frequent local commits.  Once you have verified a set of changes works, save them away, otherwise run the risk of introducing bugs into it when working on the next task.  The notion of a task By task I mean a related set of changes that can be completed in a few hours or less.  In the same token don’t make your tasks so small that critically related changes aren’t grouped together.  Use your intuition and the rest of these principles and I think you will find what is comfortable for you. Partial commits Sometimes one task explodes or unknowingly encompasses other tasks, at this point, try to get to a stopping point on part of the work you are doing and commit it so you can get that out of the way to focus on the remainder.  This will often entail committing part of the work and continuing on the rest. Outstanding changes as a guide If you don't commit often it might mean you are not leveraging your version control history to help guide your work.  It's a great way to see what has changed and might be causing problems.  The longer you wait, the more that has changed and the harder it is to test/debug what your changes are doing! This is a reason why I am so picky about my VCS tools on the client side and why I talk a lot about the quality of a diff tool and the ability to integrate that with a simple view of everything that has changed.  This is why I love using TortoiseHg and SmartGit: they show changed files, a diff (or two way diff with SmartGit) of the current selected file and a commit message all in one window that I keep maximized on one monitor at all times. Throw away / stash commits There is extreme value in being able to throw away a commit (or stash it) that is getting out of hand.  If you do not commit often you will have to isolate the work you want to commit from the work you want to throw away, which is wasted productivity and highly prone to errors.  I find myself doing this about once a week, especially when doing exploratory re-factoring.  It's much easier if I can just revert all outstanding changes. Sync with the central repository daily The rest of us depend on your changes.  Don't let them sit on your computer longer than they have to.  Waiting increases the chances of merge conflict which just decreases productivity.  It also prohibits us from doing deploys when people say they are done but have not merged centrally.  This should be done daily!  Find a way to partition the work you are doing so that you can sync at least once daily. Things I discourage: Lots of partial commits right at the end of a series of changes If you notice lots of partial commits at the end of a set of changes, it's likely because you weren't frequently committing, nor were you watching for the size of the task expanding beyond a single commit.  Chances are this cost you productivity if you use your outstanding changes as a guide, since you would have an ever growing list of changes. Committing single files Committing single files means you waited too long and no longer understand all the changes involved.  It may mean there were overlapping changes in single files that cannot be isolated.  In either case, go back to the suggestions above to avoid this.  Committing frequently does not mean committing frequently right at the end of a day's work. It should be spaced out over the course of several tasks, not all at the end in a 5 minute window.

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  • Managing Oracle Exalogic Elastic Cloud with Oracle Enterprise Manager Ops Center

    - by Anand Akela
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Oracle Enterprise Manager Ops Center 12c now comes out-of-the-box  with the latest release of Oracle Exalogic Elastic Cloud 2.0.1 software. It allows Customer to manage and monitor all components inside the Exalogic rack, including provisioning and management of physical and virtualized server. Ops Center will allow Customers to easily get started with creating and managing Private Clouds using the Exalogic components. Here is a snaphot of the Assets view showing the managable components of a Quarter Rack with 8 Compute Nodes: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} A colleague has recently posted an interesting series of "Exalogic 2.0.1 Tea Break Snippets" which will guide you through the initial steps to get started with setting up your Exalogic environment: Exalogic 2.0.1 Tea Break Snippets - Creating Cloud Users https://blogs.oracle.com/ATeamExalogic/entry/exalogic_2_0_1_tea1 Exalogic 2.0.1 Tea Break Snippets - Creating Networks https://blogs.oracle.com/ATeamExalogic/entry/exalogic_2_0_1_tea2 Exalogic 2.0.1 Tea Break Snippets - Allocating Static IP Addresses https://blogs.oracle.com/ATeamExalogic/entry/exalogic_2_0_1_tea3 Exalogic 2.0.1 Tea Break Snippets - Creating Accounts https://blogs.oracle.com/ATeamExalogic/entry/exalogic_2_0_1_tea4 Exalogic 2.0.1 Tea Break Snippets - Importing Public Server Template https://blogs.oracle.com/ATeamExalogic/entry/exalogic_2_0_1_tea5 Have fun reading these very useful postings ! Dr. Jürgen Fleischer , Oracle Enterprise Manager Ops Center Engineering Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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  • Data Security Through Structure, Procedures, Policies, and Governance

    Security Structure and Procedures One of the easiest ways to implement security is through the use of structure, in particular the structure in which data is stored. The preferred method for this through the use of User Roles, these Roles allow for specific access to be granted based on what role a user plays in relation to the data that they are manipulating. Typical data access actions are defined by the CRUD Principle. CRUD Principle: Create New Data Read Existing Data Update Existing Data Delete Existing Data Based on the actions assigned to a role assigned, User can manipulate data as they need to preform daily business operations.  An example of this can be seen in a hospital where doctors have been assigned Create, Read, Update, and Delete access to their patient’s prescriptions so that a doctor can prescribe and adjust any existing prescriptions as necessary. However, a nurse will only have Read access on the patient’s prescriptions so that they will know what medicines to give to the patients. If you notice, they do not have access to prescribe new prescriptions, update or delete existing prescriptions because only the patient’s doctor has access to preform those actions. With User Roles comes responsibility, companies need to constantly monitor data access to ensure that the proper roles have the most appropriate access levels to ensure users are not exposed to inappropriate data.  In addition this also protects rouge employees from gaining access to critical business information that could be destroyed, altered or stolen. It is important that all data access is monitored because of this threat. Security Governance Current Data Governance laws regarding security Health Insurance Portability and Accountability Act (HIPAA) Sarbanes-Oxley Act Database Breach Notification Act The US Department of Health and Human Services defines HIIPAA as a Privacy Rule. This legislation protects the privacy of individually identifiable health information. Currently, HIPAA   sets the national standards for securing electronically protected health records. Additionally, its confidentiality provisions protect identifiable information being used to analyze patient safety events and improve patient safety. In 2002 after the wake of the Enron and World Com Financial scandals Senator Paul Sarbanes and Representative Michael Oxley lead the creation of the Sarbanes-Oxley Act. This act administered by the Securities and Exchange Commission (SEC) dramatically altered corporate financial practices and data governance. In addition, it also set specific deadlines for compliance. The Sarbanes-Oxley is not a set of standard business rules and does not specify how a company should retain its records; In fact, this act outlines which pieces of data are to be stored as well as the storage duration. The Database Breach Notification Act requires companies, in the event of a data breach containing personally identifiable information, to notify all California residents whose information was stored on the compromised system at the time of the event, according to Gregory Manter. He further explains that this act is only California legislation. However, it does affect “any person or business that conducts business in California, and that owns or licenses computerized data that includes personal information,” regardless of where the compromised data is located.  This will force any business that maintains at least limited interactions with California residents will find themselves subject to the Act’s provisions. Security Policies All companies must work in accordance with the appropriate city, county, state, and federal laws. One way to ensure that a company is legally compliant is to enforce security policies that adhere to the appropriate legislation in their area or areas that they service. These types of polices need to be mandated by a company’s Security Officer. For smaller companies, these policies need to come from executives, Directors, and Owners.

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  • shared web hosting architecture in a university setting

    - by gaspol
    We're in the process of creating a shared webhosting infrastructure for our university. Departments within the university can host their sites on this infrastructure. We're thinking of setting up multiple, load balanced web servers attached to shared storage (for web content and Apache config files). There will also be database servers behind these web servers. Does anyone have any other suggestions about this? Any recommendations for an alternative setup? Would having cPanel/WHM/Plesk be a good idea to automate account creation/maintenance?

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  • I've been hired on as a entry-level game developer at a company and have little/no experience in API programming, what should I expect?

    - by Mr. Geneth
    So, I've been hired on as an entry level game developer with little/no experience working with any API other than Win32. This will be an overall learning experience for me as a person and I have gone over this multiple times with the boss and he has no problem with my inexperience. He says that if I'm not worth it now, I will be later. This gives me confidence, but I still feel that I should know a lot more before tackling this position. I would be stupid to pass it up. This is one of my favorite places to come for advice and help and have tried to just accept this, but it just keeps bothering that I can't go in knowing how to at least do the basics. I want to give the company its money's worth. Ya know? My questions are: What should I expect from the other programmers in this project (In terms of patience with me and working together, and being taught)? Is this normal? Any other advice on this sort of thing would be wonderful. I just want to feel comfortable with it.

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  • VMware - Not printing in order

    - by nate
    I am using vmware workstation 7. Guest is Windows XP. The host OS is Windows 7. When I queue the printer with multiple documents, the printer doesn't print in order. It seems to print the smaller size in data of documents first. The printer is an HP printer. This is what I have tried so far: I have tested this on the host machine, and it works fine. I have tested this on other host machines(XP Windows7), and it works fine. I have tested other HP printers I have tested it another another guest OS Windows 7 I have tested different drivers Thanks in advance for any help on this one!

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  • Java Desktop Application For Network users

    - by Motasem Abu Aker
    I'm developing a desktop application using Java. My application will run in a network environment where multiple users will access the same database through the application. There will be basic CRUD opreations (Insert, Update, Delete, & select), which means there will be chances of deadlock, or two users trying to update the same record at same time. I'm using the following Java Swing for Clients (MVC). MySQL Server for database (InnODB). Java Web start. Now, MySQL is centralized on the network, and all of the clients connect to it. The Application for ERP Purpose. I searched the internet to find a very good solution to ensure data integrity & to make sure that when updating one record from one client, other clients are aware of it. I read about Socket-server-client & RESTful web services. I don't want to go web application & don't want to use any extra libraries. So how can I handle this scenario: If User A updates a record: Is there a way to update User B's screen with the new value? If user A starts updating a record, how can I prevent other users from attempting to update the same record?

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  • Virtual Trade Show Available On Demand

    - by Theresa Hickman
    If you missed the Oracle Applications Virtual Trade Show on Feb. 3rd, 2011, you can still view all the recordings now and for the next three months. There are 36 sessions at 30 minutes each, covering 5 tracks, such as Oracle E-Business Suite, PeopleSoft, JD Edwards, Fusion, and Hyperion. Multiple product areas are covered from Financials, Procurement, Supply Chain, CRM, Performance Management, etc. The following lists the Financials sessions for the various product lines. Planning Your Successful Upgrade to Oracle E-Business Suite Financials 12.1. In this session, Bryant and Stratton College talk about their upgrade. Planning Your Successful Upgrade to PeopleSoft Financials 9.1. In this session, the University of Central Florida share their upgrade story. Fusion Financials: The New Standard for Finance. In this session, Terrance Wampler, the VP of Financial Application Strategy discusses the business value of Oracle's next generation financial applications and how customers can take advantage of Fusion Financials alongside their existing investments. Click here, to register and view any session recording at your convenience!

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