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• View the Time & Date in Chrome When Hiding Your Taskbar

  - by Asian Angel

  Do you prefer keeping your Taskbar hidden but still need to keep watch on what time it is? Now you can keep track of the time without the Taskbar using the Date Today extension for Google Chrome. A Look at Date Today with Different Themes This extension does one thing and does it well…it provides you with an “active icon” clock that will let you view the time and date in two fashions. The first is by hovering your mouse over the “Toolbar Clock Button”… And the second is by clicking on the “Toolbar Clock Button” to view an enlarged version. Here you can see the extension in use with five different themes to get an idea of how it might look with the theme that you are currently using. It does stand out very nicely with brighter or darker colored themes. Conclusion While this extension is obviously not for everyone it will make a nice (and useful) addition to Chrome for those who prefer keeping their Taskbar hidden. Links Download the Date Today extension (Google Chrome Extensions) Similar Articles Productive Geek Tips Set the Date and Time on SolarisView Browser History Based on Host & Date in ChromeQuick Tip: Set a Future Date for a Post in WordPressFuture Date a Post in Windows Live WriterSave Screen Space by Hiding the Bookmarks Toolbar in Safari for Windows TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Discovery Channel LIFE Theme (Win7) Increase the size of Taskbar Previews (Win 7) Scan your PC for nasties with Panda ActiveScan CleanMem – Memory Cleaner AceStock – The Personal Stock Monitor Add Multiple Tabs to Office Programs

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• Tech Article: Tired of Null Pointer Exceptions? Use Java SE 8's Optional!

  - by Tori Wieldt

  A wise man once said you are not a real Java programmer until you've dealt with a null pointer exception. The null reference is the source of many problems because it is often used to denote the absence of a value. Java SE 8 introduces a new class called java.util.Optional that can alleviate some of these problems. In the tech article "Tired of Null Pointer Exceptions? Use Java SE 8's Optional!" Java expert Raoul-Gabriel Urma shows you how to make your code more readable and protect it against null pointer exceptions. Urma explains "The purpose of Optional is not to replace every single null reference in your codebase but rather to help design better APIs in which—just by reading the signature of a method—users can tell whether to expect an optional value. In addition, Optional forces you to actively unwrap an Optional to deal with the absence of a value; as a result, you protect your code against unintended null pointer exceptions." Learn how to go from writing painful nested null checks to writing declarative code that is composable, readable, and better protected from null pointer exceptions. Read "Tired of Null Pointer Exceptions? Use Java SE 8's Optional!"

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• Architectural approaches to creating a game menu/shell overlay on PC/Linux?

  - by Ghopper21

  I'm am working on a collection of games for a custom digital tabletop installation (similar to Microsoft Surface tables). Each game will be an individual executable that runs full-screen. In addition, there needs to be a menu/shell overlay program running simultaneously. The menu/shell will allow users to pause games, switch to other games, check their game history, etc. Some key requirements of the shell: it intercepts all user input (mainly multitouch) first before passing it on to the currently running game (so that it can, for instance, know to pop-up at a "pause" command); can reveal on arbitrary portions of the screen, with the currently running (but presumably paused) game still showing underneath, ideally with its shape/size being dynamic, to allow for creation of an animated in/out drawer effect over the game. I'm currently looking into different architectural approaches to this problem, including Fraps and DirectX overlays, but I'm sure I'm missing some ways to think about this. What are the main approaches I should be considering? (Note the table is currently being run by Windows PC, but it could potentially be a Linux box instead.)

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• What do you do to balance the upper or lower case style to name file or folder between work and life? [on hold]

  - by sojyq

  I am a programmer from China. And I like to use English words to name my files and folders Whether it is for work or life. For example, suck as Movie, Work, QtProjects, Music and so on.And I keep the habit of initial the first letter for file name or folder name in Windows. But now I work on Ubuntu, and I found that all file name and folder name are lowercase in addition to the default folder such as Music, Movie and so on. And then I realize that in Linux world, most peoloe like to use all lowercase to name their files and folders for two reasons (1. Linux is Case sensitive. 2. It is fast for shell command.). And after work, when I switch from Linux to Windows, I confuse to use all lowercase or the first letter uppercase style to name my files in Windows. I'm caught in a dilemma. I think that all lowercase is more efficiency but the first letter uppercase is more readable. I thought for a long time and want to come up with a good answer to blance the two style name conversion. But I failed. I want to ask you that how you balance the uppercase or lowercase habbit in Windows, Mac, Linux between work and personal life style? Thank you very much! (My current solution is that when I am in Linux, I use all lowercase for files and folders, but when I am in Windows and Mac OS X, I couldn't find a good reason to convince me to use all lowercase ( I think in Windows and Mac OS X, the first letter uppercase style for me is more readable and beautiful).

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• High Availability

  - by mattjgilbert

  Udi Dahan presented at the UK Connected Systems User Group last night. He discussed High Availability and pointed out that people often think this is purely an infrastructure challenge. However, the implications of system crashes, errors and resulting data loss need to be considered and managed by software developers. In addition a system should remain both highly reliable (backwardly compatible) and available during deployments and upgrades. The argument is that you cannot be considered highly available if your system is always down every time you upgrade. For our recent BizTalk 2009 upgrade we made use of our Business Continuity servers (note the name, rather than calling them Disaster Recovery servers ? ) to ensure our clients could continue to operate while we upgraded the Production BizTalk servers. Then we failed back to the newly built 2009 environment and rebuilt the BC servers. Of course, in the event of an actual disaster there was a window where either one or the other set were not available to take over – however, our Staging machines were already primed to switch to production settings, having been used for testing the upgrade in the first place.   While not perfect (the failover between environments was not automatic and without some minimal outage) planning the upgrade in this way meant BizTalk was online during the rebuild and upgrade project, we didn’t have to rush things to get back on-line and planning meant we were ready to be as available as we could be in the event of an actual disaster.

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• MySQL Workbench 5.2.39 GA Released

  - by user13164789

  The MySQL Developer Tools team is announcing the next maintenance release of its flagship product, MySQL Workbench, version 5.2.39. This version contains MySQL Utilities 1.0.5, a set of command line Python utilities for helping to perform and script various administration tasks for MySQL. A complete list of changes in this release of the Utilities can be found at:http://dev.mysql.com/doc/workbench/en/wb-utils-news-1-0-5.html MySQL Workbench 5.2 GA • Data Modeling • Query (replaces the old MySQL Query Browser) • Administration (replaces the old MySQL Administrator) Please get your copy from our Download site. Sources and binary packages are available for several platforms, including Windows, Mac OS X and Linux. http://dev.mysql.com/downloads/workbench/ Workbench Documentation can be found here. http://dev.mysql.com/doc/workbench/en/index.html Utilities Documentation can be found here.http://dev.mysql.com/doc/workbench/en/mysql-utilities.html In addition to the new Query/SQL Development and Administration modules, version 5.2 features improved stability and performance – especially in Windows, where OpenGL support has been enhanced and the UI was optimized to offer better responsiveness. This release also includes improvements to the scripting capabilities of the SQL Editor. You can read more about it in http://wb.mysql.com/workbench/doc/ For a detailed list of resolved issues, see the change log. http://dev.mysql.com/doc/workbench/en/wb-change-history.html If you need any additional info or help please get in touch with us. Post in our forums or leave comments on our blog pages. - The MySQL Workbench Team

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• Developing Good Contacts

  There are millions of was you can develop good networking contacts, but you must be open to meeting new people. In the information technology industry, everyone is a potential client. So any place you can meet people is a good place to develop good networking contacts. Here are a few examples Online Discussion Forums – Online forums are a great place to show your knowledge of a subject and allow you to meet people that share your same interests Blog Networks – Allowing others to read your thoughts and comment on them. In addition, you can so the same on other blogs with in the network. Networking Sites – Networking sites are a great way to find new contacts based on your current contacts because you can share common friends, and possibly common interests Volunteering – Volunteering is a great way to meet new contacts, and you can help others at the same time Civic Organizations – Participating in organizations or clubs like the Lions Club, Rotary Club, and religious affiliated organizations because you can meet people of all walks of life, and can share and contribute ideas for common goals Chamber of Commerce – This is another great way to meet contacts especially if you are interested in starting your own business. The chamber is a great way to meet other business oriented people who are always looking to collaborate and improve their business. Family and Friends – Family and friends are another excellent to meet new contacts, because they can always be on the lookout for opportunities for you. For example your brother hears that a friend of his needs a new website, so he gives him your number and highly recommends you. This is really good because the potential client is looking for the service you can perform, and you where already highly recommend.

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• For an ORM supporting data validation, should constraints be enforced in the database as well?

  - by Ramnique Singh

  I have always applied constraints at the database level in addition to my (ActiveRecord) models. But I've been wondering if this is really required? A little background I recently had to unit test a basic automated timestamp generation method for a model. Normally, the test would create an instance of the model and save it without validation. But there are other required fields that aren't nullable at the in the table definition, meaning I cant save the instance even if I skip the ActiveRecord validation. So I'm thinking if I should remove such constraints from the db itself, and let the ORM handle them? Possible advantages if I skip constraints in db, imo - Can modify a validation rule in the model, without having to migrate the database. Can skip validation in testing. Possible disadvantage? If its possible that ORM validation fails or is bypassed, howsoever, the database does not check for constraints. What do you think? EDIT In this case, I'm using the Yii Framework, which generates the model from the database, hence database rules are generated also (though I could always write them post-generation myself too).

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• Trac/SVN to DVCS Migration

  - by quanticle

  The project I'm currently working on is using Trac, with SVN integration. It's worked great until now. Now, however, we've taken on some additional developers and we're running into issues with branching and merging. Because of this, I think a move to a distributed version control system is in order. The problem is that Trac is very closely integrated with the SVN repository. We have tight integration between the tickets and the revision numbers of code changes corresponding to those tickets. In addition we have a support wiki that has a lot of data that helps the tech. support team. Is there a way we can migrate to git or mercurial without losing the benefits of Trac? I've looked at the git plugin for Trac, and I'm unsure of how well it works. Has anyone here used it with a project that's been migrated from SVN? EDIT: I should note that the most important priority for us is maintaining the links between Trac tickets and the corresponding changesets in SVN. That's a tool that we use every day, and it provides an easy way to jump to code changes when reviewing tickets. Wiki migration would be nice to have, but if it's not possible, we can continue to run the old system whilst we write some kind of a one-off script to migrate the content.

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• NMap 6.01

  - by TATWORTH

  NMap 6.01 has been released at http://nmap.org/download.html"Nmap ("Network Mapper") is a free and open source (license) utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. It was designed to rapidly scan large networks, but works fine against single hosts. Nmap runs on all major computer operating systems, and official binary packages are available for Linux, Windows, and Mac OS X. In addition to the classic command-line Nmap executable, the Nmap suite includes an advanced GUI and results viewer (Zenmap), a flexible data transfer, redirection, and debugging tool (Ncat), a utility for comparing scan results (Ndiff), and a packet generation and response analysis tool (Nping)."Home page is at http://nmap.org/  Nmap is free to download and use. You can download the source and compile it yourself if you so require.

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• implementing dynamic query handler on historical data

  - by user2390183

  EDIT : Refined question to focus on the core issue Context: I have historical data about property (house) sales collected from various sources in a centralized/cloud data source (assume info collection is handled by a third party) Planning to develop an application to query and retrieve data from this centralized data source Example Queries: Simple : for given XYZ post code, what is average house price for 3 bed room house? Complex: What is estimated price for an house at "DD,Some Street,XYZ Post Code" (worked out from average values of historic data filtered by various characteristics of the house: house post code, no of bed rooms, total area, and other deeper insights like house building type, year of built, features)? In addition to average price, the application should support other property info ** maximum, or minimum price..etc and trend (graph) on a selected property attribute over a period of time**. Hence, the queries should not enforce the search based on a primary key or few fixed fields In other words, queries can be What is the change in 3 Bed Room house price (irrespective of location) over last 30 days? What kind of properties we can get for X price (irrespective of location or house type) The challenge I have is identifying the domain (BI/ Data Analytical or DB Design or DB Query Interface or DW related or something else) this problem (dynamic query on historic data) belong to, so that I can do further exploration My findings so far I could be wrong on the following, so please correct me if you think so I briefly read about BI/Data Analytics - I think it is heavy weight solution for my problem and has scalability issues. DB Design - As I understand RDBMS works well if you know Data model at design time. I am expecting attributes about property or other entity (user) that am going to bring in, would evolve quickly. hence maintenance would be an issue. As I am going to have multiple users executing query at same time, performance would be a bottleneck Other options like Graph DB (http://www.tinkerpop.com/) seems to be bit complex (they are good. but using those tools meant for generic purpose, make me think like assembly programming to solve my problem ) BigData related solution are to analyse data from multiple unrelated domains So, Any suggestion on the space this problem fit in ? (Especially if you have design/implementation experience of back-end for property listing or similar portals)

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• Design in "mixed" languages: object oriented design or functional programming?

  - by dema80

  In the past few years, the languages I like to use are becoming more and more "functional". I now use languages that are a sort of "hybrid": C#, F#, Scala. I like to design my application using classes that correspond to the domain objects, and use functional features where this makes coding easier, more coincise and safer (especially when operating on collections or when passing functions). However the two worlds "clash" when coming to design patterns. The specific example I faced recently is the Observer pattern. I want a producer to notify some other code (the "consumers/observers", say a DB storage, a logger, and so on) when an item is created or changed. I initially did it "functionally" like this: producer.foo(item => { updateItemInDb(item); insertLog(item) }) // calls the function passed as argument as an item is processed But I'm now wondering if I should use a more "OO" approach: interface IItemObserver { onNotify(Item) } class DBObserver : IItemObserver ... class LogObserver: IItemObserver ... producer.addObserver(new DBObserver) producer.addObserver(new LogObserver) producer.foo() //calls observer in a loop Which are the pro and con of the two approach? I once heard a FP guru say that design patterns are there only because of the limitations of the language, and that's why there are so few in functional languages. Maybe this could be an example of it? EDIT: In my particular scenario I don't need it, but.. how would you implement removal and addition of "observers" in the functional way? (I.e. how would you implement all the functionalities in the pattern?) Just passing a new function, for example?

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• [EF + Oracle]Object Context

  - by JTorrecilla

  Prologue After EF episodes I and II, we are going to see the Object Context. What is Object Context? It is a class which manages the DB connection, and the different Entities of our model. When Visual Studio creates the EF model, like I explain previously, also generates a Class that extends ObjectContext. ObjectContext provides: - DB connection - Add, update and delete functions. - Object Sets of Entities. - State of Pending Changes. This class will give a function, for each Entity, like  Esta clase va a contar con una función, para cada entidad, del tipo “AddTo{ENTITY}({Entity_Type } value)”, which are going to add a Entity to the related ObjectSet. In addition, it has a property, for each Entity, like “ObjectSet<TEntity> Entity”, does will keep the related record set. It will be filled with the CreateObjectSet<TEntity> function of Base class (ObjectContext). What is an ObjectSet? It is a class that allows us to manage the Entity Set from a Type. It inherits from: · ObjectQuery<TEntity> · IObjectSet<TEntity> · IQueryAble<TEntity · IEnumerable<TEntity · IQueryAble · IEnumerable An ObjectSet is a class property that allows query, insert, delete and update records from a determinate Entity. In following chapters we will see how to query Entities. LazyLoadingEnabled A very important property of the Context is “LazyLoadingEnabled”. This Boolean property lets indicate if the data loading is lazy, in other words, the Object will not be created and query until not be needed. Finally In this post we have seen what the VS generated context is, some of the characteristics, and where to see Entity data. In next chapters we will see, CRUD operations, and how to query ObjectSets.

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• Java EE 7 Survey Results!

  - by reza_rahman

  As you know, the Java EE 7 EG recently posted a survey to gather broad community feedback on a number of critical open issues. For reference, you can find the original survey here. Over 1,100 developers took time out of their busy lives to let their voices be heard! The results were just posted to the Java EE EG. The exact summary sent to the EG is available here. We would like to take this opportunity to thank each and every one the individuals who took the survey. It is very appreciated, encouraging and worth it's weight in gold. In particular, I tried to capture just some of the high-quality, intelligent, thoughtful and professional comments in the summary to the EG. I highly encourage you to continue to stay involved, perhaps through the Adopt-a-JSR program. We would also like to sincerely thank java.net, JavaLobby, TSS and InfoQ for helping spread the word about the survey. In addition, many thanks to independent Java EE 7 expert group member Markus Eisele for blogging the results. You can read more details about the results here.

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• Beta Period Closed for "Java EE 6 JavaServer Faces Developer Certified Expert Exam" Certification Exam (1Z1-896)

  - by Brandye Barrington

  The beta period is closed for Java EE 6 JavaServer Faces Developer Certified Expert Exam (Exam 1Z1-896), and registration is now open for the production version of the exam. Passing this exam leads to the Oracle Certified Expert, Java EE 6 JavaServer Faces Developer certification. Earning a JavaServer Faces certification can help you deliver lower cost and faster time to market by allowing the experienced Java developer to take the web page from conception to delivery, removing the need for multiple collaboration with web designers and developers. With the range of products built on JSF, developing an expertise through certification on this technology can open the door to a variety of opportunities and give you an edge over your peers. This certification is also a valuable addition to your existing Java EE 5 and EE 6 certifications, increasing your marketable skills and solidifying your credibility. While training is not required for certification, the Java EE 6: Develop Web Applications with JSF course from Oracle University, can expedite you towards your certification. Visit pearsonvue.com/oracle and register for exam 1Z0-896. You can get all preparation details, including exam objectives, number of questions, time allotments, and pricing on the Oracle Certification website. QUICK LINKS: Certification Track: Oracle Certified Expert, Java EE 6 JavaServer Faces Developer Certification Exam: Java EE 6 JavaServer Faces Developer Certified Expert Exam (1Z1-896) Recommended Training: Java EE 6: Develop Web Applications with JSF Certification Website: About Beta Exams Register Now: Pearson VUE

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• How can I get my monitor's maximum resolution without the proprietary AMD graphic driver installed?

  - by Venki

  I am using Ubuntu 14.04. I have an AMD Radeon 5570 HD graphic card. Actually, the default open source REDWOOD drivers aren't allowing me to choose my monitor's maximum screen resolution(which is 1366 x 768). I just have two resolutions displayed which are 1024x768 and 800x600 . If I give the command : xrandr -s 1366x768 then the output is: Size 1366x768 not found in available modes So just for the sake of getting 1366x768 resolution I am forced to install the proprietary graphic driver that AMD gives me from its site. But if I install it(which itself is quite a problem-prone process), I undergo a lot of 'inconvenience'. Sometimes after an OS update, the driver crashes unity. Then I will have to uninstall that driver from a tty and google around for a solution. Also I encounter screen tearing problems occasionally. In addition I also cant see my login screen(See this question which states this particular problem). The main problem is AMD does not update its driver as quick as Ubuntu updates its OS. This is quite irritating. So, I want the maximum resolution(and performance) that my graphics card and monitor can give me without installing the 'problematic' proprietary graphic card driver that AMD gives. Is this possible? Suggestions please. Thanks in advance. PS :- More system specs details:- Intel i3 2100 processor AMD P8H61-M PLUS2 motherboard AMD Radeon 5570 HD graphic card DELL monitor (BTW, Thank you for reading through my elaborate description!)

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• I've got my Master's in Software Engineering... Now what? [closed]

  - by Brian Driscoll

  Recently I completed a Master of Science in Software Engineering from Drexel University (Philadelphia, PA, US), because I wanted to have some formal education in software (my undergrad is in Math Ed) and also because I wanted to be able to advance my career beyond just programming. Don't get me wrong; I love to code. I spend a lot of my spare time coding. However, for me writing code is just a means to an end: what I REALLY love is designing software. Not visual design, mind you, but the architecture of the system. So, ideally I'd like to try to get a job doing software architecture. The problem is that I have no real experience in it besides my graduate course work. So, what should I do to make my "bones" in software architecture? UPDATE Just so it's clear, I have over 5 years of work experience in software development and an MCTS cert in addition to my education, so I'm not looking for the usual "I'm fresh out of school, what should I do?" advice.

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• I just received a complaint from a user of the website I maintain. Should I do anything?

  - by Chris

  I was sent sent a large wall of text from a user of the website I maintain at my job. They are clearly upset for having to deal with a horribly outdated web application that has not seen any serious updates in over 6+ years. No refactoring has been done, the code quality is terrible, the security unchecked, policy compliances ignored, in addition to being ugly and frankly embarrassing. Keep in mind this is a small business but the website is used by hundreds daily. I'm one of two programmers there, and I've been working there for two years. This person says they are about my age (22) and understand technology (but can't use proper grammar). The complaint mentioned awkward pages and actions on the website, but they don't even have a clue as to the depth of the flaws in this website. Now, I would love to honestly tell them that there's a lot wrong with this company and that this application was built when we were in high school. And that while it's not my fault that the website is terrible, I'm the one in position to fix it. But on the other hand, I could just say nothing and ignore it. Would doing this publicly have any advantage to future employees (showing integrity) or would it just be a completely pointless mistake? Odds are, even if I respond only that one person will ever read it. Regardless, I'm probably just going to ignore it and continue starting my project to refactor the website.

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• Is wrapping a third party code the only solution to unit test its consumers? [closed]

  - by Songo

  I'm doing unit testing and in one of my classes I need to send a mail from one of the methods, so using constructor injection I inject an instance of Zend_Mail class which is in Zend framework. Now some people argue that if a library is stable enough and won't change often then there is no need to wrap it. So assuming that Zend_Mail is stable and won't change and it fits my needs entirely, then I won't need a wrapper for it. Now take a look at my class Logger that depends on Zend_Mail: class Logger{ private $mailer; function __construct(Zend_Mail $mail){ $this->mail=$mail; } function toBeTestedFunction(){ //Some code $this->mail->setTo('some value'); $this->mail->setSubject('some value'); $this->mail->setBody('some value'); $this->mail->send(); //Some } } However, Unit testing demands that I test one component at a time, so I need to mock the Zend_Mail class. In addition I'm violating the Dependency Inversion principle as my Logger class now depends on concretion not abstraction. Now is wrapping Zend_Mail the only solution or is there a better approach to this problem? The code is in PHP, but answers doesn't have to be. This is more of a design issue than a language specific feature

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• Updated Business Activity Monitoring (BAM) Class

  - by Gary Barg

  We have just completed an extensive upgrade to the Business Activity Monitoring course, bringing it up to PS5 level and doing some major rework of content and topic flow. This should be a GREAT course for anyone needing to learn to use BAM effectively to analyze their SOA data. Details of the Course This course explains how to use Oracle BAM to monitor enterprise business activities across an enterprise in real time. You can measure your key performance indicators (KPIs), determine whether you are meeting service-level agreements (SLAs), and take corrective action in real time. Learn To: Create dashboards and alerts using a business-friendly, wizard-based design environment Monitor BPM and BPEL processes Configure drilling, driving, and time-based filtering Create alerts Build applications with a dynamic user interface Manage BAM users and roles In addition to learning Oracle BAM architecture, you learn how to perform administrative tasks related to Oracle BAM. You create and work with the different types of message sources that send data into Oracle BAM. You build interactive, real-time, actionable dashboards, and you configure alerts on abnormal conditions. You learn how to monitor both BPEL and BPM composite applications with Oracle BAM. Lastly, you create and use Oracle BAM data control to build applications with a dynamic user interface that changes based on real-time business events. Registration The Oracle University course page with more course details and registration information, is here. The next scheduled class: Date: 5-Dec-2012 Duration: 3 days Hours: 9:00 AM – 5:00 PM CT Location: Chicago, IL Class ID: 3325708

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• How do programers balance the upper or lower case style to name file or folder between work and life?

  - by sojyq

  I am a programmer from China. And I like to use English words to name my files and folders Whether it is for work or life. For example, suck as Movie, Work, QtProjects, Music and so on.And I keep the habit of initial the first letter for file name or folder name in Windows. But now I work on Ubuntu, and I found that all file name and folder name are lowercase in addition to the default folder such as Music, Movie and so on. And then I realize that in Linux world, most peoloe like to use all lowercase to name their files and folders for two reasons (1. Linux is Case sensitive. 2. It is fast for shell command.). And after work, when I switch from Linux to Windows, I confuse to use all lowercase or the first letter uppercase style to name my files in Windows. I'm caught in a dilemma. I think that all lowercase is more efficiency but the first letter uppercase is more readable. I thought for a long time and want to come up with a good answer to blance the two style name conversion. But I failed. I want to ask you that how you balance the uppercase or lowercase habbit in Windows, Mac, Linux between work and personal life style? Thank you very much! (My current solution is that when I am in Linux, I use all lowercase for files and folders, but when I am in Windows and Mac OS X, I couldn't find a good reason to convince me to use all lowercase ( I think in Windows and Mac OS X, the first letter uppercase style for me is more readable and beautiful).

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• Translating an object along its heading

  - by Kuros

  I am working on a simulation that requires me to have several objects moving around in 3D space (text output of their current position on the grid and heading is fine, I do not need graphics), and I am having some trouble getting objects to move along their relative headings. I have a basic understanding of vectors and matrices. I am using a vector to represent their position, and I am also using Euler Angles. I can translate one of my entities with a matrix along whatever axis, and I can alter their heading. For example, if I have an entity at (order is XYZ) 1, 1, 1, with a heading of 0, I can apply a translation matrix to get them to talk to 1, 1, 2 fine. However, if I change their heading to 270, they still walk to 1, 1, 3, instead of 2, 1, 2 as I desire. I have a feeling that my problem lies in not translating my matrix from world space to object space, but I am not sure how to go about that. How can I do this? Addition: I am using 3D vectors to represent their current position and their heading (using the three euler angles). For now, all I want to do is have an entity walk in a square, reporting their current position at each step. So, assuming it starts at 10, 10, 10 I want it to walk as follows: 10,10,10 -> 10, 10, 15 10, 10, 15 -> 5, 10, 15 5, 10, 15 -> 5, 10, 10 5, 10, 10 -> 10, 10, 10 My 1 Z unit translation matrix is as follows: [1 0 0 0] [0 1 0 0] [0 0 1 1] [0 0 0 1] My rotation matrix is as follows: [0 0 1 0] [0 1 0 0] [-1 0 0 0] [0 0 0 1]

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• 724% Return on an SFA project with Oracle Sales Cloud and Marketing Cloud combined!

  - by Richard Lefebvre

  Oracle Sales Cloud and Marketing Cloud customer Apex IT gained just that?a 724% return on investment (ROI) when it implemented these Oracle Cloud solutions in its fast-moving, rapidly-growing business. Apex IT was just announced as a winner of the Nucleus Research 11th annual Technology ROI Awards. The award, given by the analyst firm, highlights organizations that have successfully leveraged IT deployments to maximize value per dollar spent. Fast Facts: Return on Investment – 724% Payback – 2 months Average annual benefit – $91,534 Cost : Benefit Ratio – 1:48 Business Benefits In addition to the ROI and cost metrics the award calls out improvements in Apex IT’s business operations—across both Sales and Marketing teams: Improved ability to identify new opportunities and focus sales resources on higher-probability deals Reduced administration and manual lead tracking—resulting in more time selling and a net new client increase of 46% Increased campaign productivity for both Marketing and Sales, including Oracle Marketing Cloud’s automation of campaign tracking and nurture programs Improved margins with more structured and disciplined sales processes—resulting in more effective deal negotiations Read the full Apex IT ROI Case Study. You also can learn more about Apex IT’s business, including the company’s work with Oracle Sales and Marketing Cloud on behalf of its clients. You can point your prospects and customers to the CX blog for a similar recap of the Apex IT award and a link to the Case Study.

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• What are solutions and tradeoffs to maintain search result consistency in a web application

  - by iammichael

  Consider a web application with a custom search function that must display the results in a paged manner (twenty per page with up to hundreds of thousands of total results) and the ability to drill down to individual results that maintain next/previous links to navigate through the results. Re-executing the search on each page request to get the appropriate results for that page of data can be too expensive (up to 15s per search). Also, since the underlying data can change frequently (e.g. addition of new results), re-executing could cause the next/previous functionality to result in inconsistent behavior (e.g. the same results reappearing on a later page after having been viewed on an earlier page). What options exist to ensure the search results can be viewed across multiple pages in a consistent manner, and what tradeoffs does each option have in terms of network, CPU, memory, and storage requirements? EDIT: I thought caching the query search results was an obvious necessity. The question is really asking about where to cache the result set and what tradeoffs might exist to each. For example, storing the ids of the entities in the result set on the client, or storing the IDs of the entities themselves in the users session on the web server, or in a temporary table in the database. I'm not looking specifically for a single solution as different scenarios may result in different approaches (and such a question would be more suited for stackoverflow.com rather than here), but more of a design comparison between the possible approaches.

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• WebLogic Partner Community Newsletter March 2012

  - by JuergenKress

  Dear WebLogic partner community member, With the launch of WebLogic 12c and Fusion Middleware, PS5 training has become an important key. Thus we are offering a WLS 12c hands-on bootcamp road-show together with the PTS team and help you to get trained! We will add and confirm more dates in next few weeks. Please let us know if you would like to suggest some more locations. We recommend all bootcamp attendees to become a certified Application Grid Certified Implementation Specialist (free of charge) and in addition to this we are also offering Advanced ADF ecourse. See you at one of the training! Jürgen Kress Oracle WebLogic Partner Adoption EMEA To read the newsletter please visit http://tinyurl.com/weblogicnewsMarch2012   ( OPN Account required) To become a member of the WebLogic Partner Community please register at http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic,Oracle,OPN,WebLogic Community,WebLogic Community Newsletter,Jürgen Kress,WebLogic 12c,WebLogic knowledge zone,WebLogic Specilization,WebLogic boothcamp,WebLogic training,WebLogic education

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