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• What's wrong with cplusplus.com?

  - by Kerrek SB

  This is perhaps not a perfectly suitable forum for this question, but let me give it a shot, at the risk of being moved away. There are several references for the C++ standard library, including the invaluable ISO standard, MSDN, IBM, cppreference, and cplusplus. Personally, when writing C++ I need a reference that has quick random access, short load times and usage examples, and I've been finding cplusplus.com pretty useful. However, I've been hearing negative opinions about that website frequently here on SO, so I would like to get specific: What are the errors, misconceptions or bad pieces of advice given by cplusplus.com? What are the risks of using it to make coding decisions? Let me add this point: I want to be able to answer questions here on SO with accurate quotes of the standard, and thus I would like to post immediately-usable links, and cplusplus.com would have been my choice site were it not for this issue. Update: There have been many great responses, and I have seriously changed my view on cplusplus.com. I'd like to list a few choice results here; feel free to suggest more (and keep posting answers). As of June 29, 2011: Incorrect description of some algorithms (e.g. remove). Information about the behaviour of functions is sometimes incorrect (atoi), fails to mention special cases (strncpy), or omits vital information (iterator invalidation). Examples contain deprecated code (#include style). Inexact terminology is doing a disservice to learners and the general community ("STL", "compiler" vs "toolchain"). Incorrect and misleading description of the typeid keyword.

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• you will see the ugg boots outlet of type, color, size

  - by skhtyu skhtyu

  These humans taken the apple through hurricane. Lots added humans accompany in their friends' traces to use these affidavit footwear, they are fabricated from top-grade Foreign merino uggs for cheap. Amazing abundance and aswell amore tend to be assured aloft accustomed materials.bailey button uggs which are at aboriginal acclimated by Australian accept set off a abnormality all over the apple these days. plenty of celebrities are usually spotted putting them on purple uggs this aswell allures abounding individuals to get. For those who alarm for to access due to the fact, go to internet vendors & they can accepting superior twos awash with affordable prices adapted now there.When researching arrangement pink uggs through web food or arrangement sites, ensure to see their own go aback and aswell acquittance procedures afore you achieve your choice. So as you will see the advantage of type, color, admeasurement as able-bodied as absolute acclimated seems to be amaranthine and now application the accession of the uggs cheap and a clog up adaptation you're a lot added ashore for choice. So no amount what, the absolute "in" affair for your chiffonier this advancing year is in achievement affected ugg classic short for ladies, and you're artlessly abiding to acquisition a brace that's aural your budget.

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• How do Unity 12.04/Compiz bindings really work?

  - by Daniel

  There is a bewildering array of places to set bindings, all inconsistent with one another. E.g. in Unity's System Settings having the Ctrl-key highlight the mouse position is an on/off choice. I like the feature, but not on such a prominent key where I keep activating it accidentally. The keyboard shortcuts allow only one binding per command, where I might like a convenient one on the external keyboard and an emergency alternative for when I'm on the road. Keyboard custom shortcuts has a nice interface, but allows only key bindings — besides it doesn't seem to work for me. So I activated CCSM Commands. There I have the choice of key-, mouse- and/or edge bindings. Whereas some places in CCSM offers only one or two of these binding possibilities, randomly at the whim of the programmer. I have not found a way to differentiate a mouse-drag from a click. E.g. I want <SuperMouse1-drag anywhere on a window to move it, while if I don't drag, it should be raise-lower. On the title bar I want the same without needing the <Super key. Now I find raise-lower only in System Settings where I can't assign a mouse binding. If therefore in CCSM I fallback to only lower and put move on the same binding, the window already gets lowered on mouse down, and I can then invisibly move it. Very useful! I have <Altasciicircum get in the way of an Emacs binding, with some to me useless popup overlay. I can find it nowhere, so I can't turn it off. So how can I go without these frontends until they have matured, and instruct Compiz directly, for example in the way Emacs or Sawfish have keymaps, and separate ones for each context, with inheritance?

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• Move unity launcher to bottom of the screen

  - by argvar

  I have Ubuntu 13.04 DESKTOP version and for some odd reason I'm told that the Unity launcher cannot be moved to the bottom of the screen because of several reasons: 1. Canonical wants it there so it fits with their overall design goals, namely when it comes to touchscreen devices and netbooks. This in my mind totally ignores the fact that most Ubuntu users are DESKTOP users. No matter what Canonicals long term goal is, it surely mustn't be at the expense of needs of their core user base. 2. Most monitors are widescreen, the launcher is more compact where it is. This is not only taking away the users choice, but is also a wrong assessment. Widescreen monitors can sometimes be rotated on a pivot, giving it a portrait aspect. By displaying the Unity launcher on the left side it takes up a lot of space. Many desktop users have multiple monitors, and having the launcher on the left side of each monitor is very awkward. Also, many websites are catered to fit on a half 1920 display, so you can have two browser windows open side-by-side with all content visible. The placement of the Unity launcher takes away the horizontal space meaning there's less room for each browser window, and you'll see the right side of the web pages being occluded. Any suggestion to simply hide the Unity launcher, or "Canonical knows best" or "get used to it" are unwelcome and totally ignores the above points. Linux is about choice. Canonical's stubbornness with the Unity launcher placement is inconsistent with what Linux is about.

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• windows 8 + Ubuntu dual boot

  - by Jack Yuan

  I installed Ubuntu 13.04 on Windows 8. Yes I can access both of them, but the process is kind of long. In BIOS, EFI is for Windows 8, legacy support is for Ubuntu. If I choose EFI first, the startup just go straight to Win8 without offering me a choice. If I choose legacy first, the starup will offer me a choice between win8 and ubuntu. But I can only choose Ubuntu. If i choose win8, there will be a mistake(file missing under configuration). That is to say, every time i wanna switch to another OS, I have to go into BIOS and change the priority settings. I heard something about secure boot might be the cause of this situation. But the thing is that there is not even an option called "secure boot" in my BIOS, which means i cannot disable it. All I want is that an option menu appears everytime i turn on my computer so i can easily choose what OS I want for today. Can anyone help me plz? Thank you very much!!

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• Learning how to design knowledge and data flow [closed]

  - by max

  In designing software, I spend a lot of time deciding how the knowledge (algorithms / business logic) and data should be allocated between different entities; that is, which object should know what. I am asking for advice about books, articles, presentations, classes, or other resources that would help me learn how to do it better. I code primarily in Python, but my question is not really language-specific; even if some of the insights I learn don't work in Python, that's fine. I'll give a couple examples to clarify what I mean. Example 1 I want to perform some computation. As a user, I will need to provide parameters to do the computation. I can have all those parameters sent to the "main" object, which then uses them to create other objects as needed. Or I can create one "main" object, as well as several additional objects; the additional objects would then be sent to the "main" object as parameters. What factors should I consider to make this choice? Example 2 Let's say I have a few objects of type A that can perform a certain computation. The main computation often involves using an object of type B that performs some interim computation. I can either "teach" A instances what exact parameters to pass to B instances (i.e., make B "dumb"); or I can "teach" B instances to figure out what needs to be done when looking at an A instance (i.e., make B "smart"). What should I think about when I'm making this choice?

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• More Tables or More Databases?

  - by BuckWoody

  I got an e-mail from someone that has an interesting situation. He has 15,000 customers, and he asks if he should have a database for their data per customer. Without a LOT more data it’s impossible to say, of course, but there are some general concepts to keep in mind. Whenever you’re segmenting data, it’s all about boundary choices. You have not only boundaries around how big the data will get, but things like how many objects (tables, stored procedures and so on) that will be involved, if there are any cross-sections of data (do they share location or product information) and – very important – what are the security requirements? From the answer to these types of questions, you now have the choice of making multiple tables in a single database, or using multiple databases. A database carries some overhead – it needs a certain amount of memory for locking and so on. But it has a very clean boundary – everything from objects to security can be kept apart. Having multiple users in the same database is possible as well, using things like a Schema. But keeping 15,000 schemas can be challenging as well. My recommendation in complex situations like this is similar to a post on decisions that I did earlier – I lay out the choices on a spreadsheet in rows, and then my requirements at the top in the columns. I  give each choice a number based on how well it meets each requirement. At the end, the highest number wins. And many times it’s a mix – perhaps this person could segment customers into larger regions or districts or products, in a database. Within that database might be multiple schemas for the customers. Of course, he needs to query across all customers, that becomes another requirement. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Making efficeint voxel engines using "chunks"

  - by Wardy

  Concept I'm currently looking in to how voxel engines work with a view to possibly making one myself. I see a lot of stuff like this ... https://sites.google.com/site/letsmakeavoxelengine/home/chunks ... which talks about how to go about reducing the draw calls. What I can't seem to understand is how it actually saves draw call counts on the basis of the logic being something like this ... Without chunks foreach voxel in myvoxels DrawIfVisible() With Chunks foreach chunk in mychunks DrawIfVisible() which then does ... foreach voxel in myvoxels DrawIfVisible() So surely you saved nothing ?!?! You still make a draw call for each visible voxel do you not? A visible voxel needs a draw call in either scenario. The only real saving I can see is that the logic that evaluates a chunk will be able to determine if a large number of voxels are visible or not effectively saving a bit of "is this chunk visible" cpu time. But it's the draw calls that interest me ... The fewer of those, the faster the application. EDIT: In case it makes any difference I will probably be using XNA (DX not OpenGL) for my engine so don't consider my choice of example in the link above my choice of technology. But this question is such that I doubt it would matter.

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• Application that provides unique keys to multiple threads

  - by poly

  Thanks all for your help before. So, this is what I came up with so far, the requirements are, application has two or more threads and each thread requires a unique session/transaction ID. is the below considered thread safe? thread 1 will register itself with get_id by sending it's pid thread 2 will do the same then thread 1 & 2 will call the function to get a unique ID function get_id(bool choice/*register thread or get id*/, pid_t pid) { static int pid[15][1]={0};//not sure if this work, anyway considor any it's been set to 0 by any other way than this static int total_threads = 0; static int i = 0; int x=0,y=0; if (choice) // thread registeration part { for(x=0;x<15;x++) { if (pid[x][0]==0); { pid[x][0] = (int) pid; pid[x][1] = (x & pidx[x][1]) << 24;//initiate counter for this PID by shifting x to the 25th bit, it could be any other bit, it's just to set a range. //so the range will be between 0x0000000 and 0x0ffffff, the second one will be 0x1000000 and 0x1ffffff, break; } total_threads++; } } //search if pid exist or not, if yes return transaction id for(x=0;x<15;x++) { if (pid[x][0]==pid); { pid[x][1]++;//put some test here to reset the number to 0 if it reaches 0x0ffffff return pid[x][1]; break; } } }

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• When creating a GUI wizard, should all pages/tabs be of the same size? [closed]

  - by Job

  I understand that some libraries would force me to, but my question is general. If I have a set of buttons at the bottom: Back, Next, Cancel?, (other?), then should their location ever change? If the answer is no, then what do I do about pages with little content? Do I stretch things? Place them in the lone upper left corner? According to Steve Krug, it does not make sense to add anything to GUI that does not need to be there. I understand that there are different approaches to wizards - some have tabs, others do not. Some tabs are lined horizontally at the top; others - vertically on the left. Some do not show pages/tabs, and are simply sequences of dialogs. This is probably a must when the wizard is "non-linear", e.g. some earlier choices can result in branching. Either way the problem is the same - sacrifice on the consistency of the "big picture" (outline of the page/tab + location of buttons), or the consistency of details (some tabs might be somewhat packed; others having very little content). A third choice, I suppose is putting extra effort in the content in order to make sure that organizing the content such that it is more or less evenly distributed from page to page. However, this can be difficult to do (say, when the very first tab contains only a choice of three things, and then branches off from there; there are probably other examples), and hard to maintain this balance if any of the content changes later. Can you recommend a good approach? A link to a relevant good blog post or a chapter of a book is also welcome. Let me know if you have questions.

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• Best WordPress Video Themes for a Video Blog

  - by Matt

  WordPress has made blogging so easy & fun, there are plenty of video blog themes that you can pick from. However there is always rarity in quality. We at JustSkins have gathered some high quality, tested, tried video themes list. We tried to find some WordPress themes for vloggers, we knew all along that there are very few yet some of them are just brilliant premium wordpress themes. More on that later, let’s find out some themes which you can install on your vlog right now. On Demand 2.0 A fully featured video WordPress premium theme from Press75. Includes  theme options panel for personal customization and content management options, post thumbnails, drop down navigation menu, custom widgets and lots more. Demo | Price: $75 | DOWNLOAD VideoZoom An outstanding premium WordPress video theme from WPZoom featuring standard video integration plus additionally it lets you play any video from all the popular video websites. VideoZoom theme also includes a featured video slider on the homepage, multiple post layout options, theme options panel, WordPress 3.0 menus, backgrounds etc. Demo | Price Single: $69, Developer: $149 | DOWNLOAD Vidley Press75′s easy to use premium WordPress video theme. This theme is full of great features, it can be a perfect choice if you intend to make it a portal someday..it is scalable to shape like a news portal or portfolios. The Theme is widget ready. It has ability to place Featured Content and Featured Category section on homepage. The drop down menus on this theme are nifty! Demo | Price $75 |  DOWNLOAD Live A video premium WordPress theme designed for streaming video, and live event broadcasting. You can embed live video broadcasts from third party services like Ustream etc, and features a prominent timer counting down to the next broadcast, rotating bumper images, Facebook and twitter integration for viewer interaction, theme admin options panel and more make this theme one of its kind. Demo | Price: $99, Support License: $149| DOWNLOAD Groovy Video Woo Themes is pioneer in making beautiful wordpress themes,  One such theme that is built by keeping the video blogger in mind. The Groovy Theme is very colourful video blog premium WordPress theme. Creating video posts is quick and easy with just a copy / paste of the video’s embed code. The theme enables automatic video resizing, plenty of widgets. Also allows you to pick color of your choice. Price: Single Use $70, Developer Price : $150 | DOWNLOAD Video Flick Another exciting Video blogging theme by Press75 is the Video Flick theme. Video Flick is compatible with any video service that provides embed code, or if you want to host your own videos, Video Flick is also compatible with FLV (Flash Video) and Quicktime formats. This theme allows you to either keep standard Blog and/or have Video posts. You can pick a light or dark color option. Demo | Price : $75 | DOWNLOAD Woo Tube An excellent video premium WordPress theme from Woothemes, the WooTube theme is a very easy video blog platform, as it comes with  automatic video resizing, a completely widgetised sidebar and 7 different colour schemes to choose from. The theme  has the ability to be used as a normal blog or a gallery. A very wise choice! Price: Single Use $70, Developer Price : $150 | DOWNLOAD eVid Theme One of the nicest WordPress theme designed specifically for the video bloggers. Simple to integrate videos from video hosts such as Youtube, Vimeo, Veoh, MetaCafe etc. Demo | Price: $19 | DOWNLOAD Tubular A video premium WordPress theme from StudioPress which can also be used as a used a simple website or a blog. The theme is also available in a light color version. Demo | Price: $59.95 | DOWNLOAD Video Elements 2.0 Another beautiful video premium WordPress theme from Press75. Video Elements 2.0 has been re-designed to include the features you need to easily run and maintain a video blog on WordPress. Demo | Price: $75 | DOWNLOAD TV Elements 3.0 The theme includes a featured video carousel on the homepage which can display any number of videos, a featured category section which displays up to 12 channels, creates automatic thumbnails and a lots more… Demo | Price: $75 | DOWNLOAD Wave A beautiful premium video wordpress theme, Flexible & Super cool looking. The Design has very earthy feel to it. The theme has featured video area & latest listing on the homepage. All in all a simple design no fancy features. Demo | Price: $35 | Download

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• SOA, Empowerment and Continuous Improvement

  - by Tanu Sood

  Normal 0 false false false EN-US X-NONE X-NONE /* 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-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Rick Beers is Senior Director of Product Management for Oracle Fusion Middleware. Prior to joining Oracle, Rick held a variety of executive operational positions at Corning, Inc. and Bausch & Lomb. With a professional background that includes senior management positions in manufacturing, supply chain and information technology, Rick brings a unique set of experiences to cover the impact that technology can have on business models, processes and organizations. Rick will be hosting the IT Leader Editorial on a regular basis. I met my twin at Open World. We share backgrounds, experiences and even names. I hosted an invitation-only AppAdvantage Leadership Forum with an overcapacity 85 participants: 55 customers, 15 from the Oracle AppAdvantage team and 15 Partners. It was a lively, open and positive discussion of pace layered architectures and Oracle’s AppAdvantage approach to a unified view of Applications and Middleware. Rick Hassman from Pella was one of the customer panelists and during the pre event prep, Rick and I shared backgrounds and found that we had both been plant managers and led ERP deployments prior to leading IT itself. During the panel conversation I explored this with him, discussing the unique perspectives that this provides to CIO’s. He then hit on a point that I wasn’t able to fully appreciate until a week later. First though, some background. The week after the Forum, one of the participants emailed me with the following thoughts: “I am 150% behind this concept……but we are struggling with the concept of web services and the potential use of the Oracle Service Bus technology let alone moving into using the full SOA/BPM/BAM software to extend our JD Edwards application to both integrate and support business processes”. After thinking a bit I responded this way: While I certainly appreciate the degree of change and effort involved, perhaps I could offer the following: One of the underlying principles behind Oracle AppAdvantage is that more often than not, the choice between changing a business process and invasively customizing ERP represents a Hobson's Choice: neither is acceptable. In this case the third option, moving the process out of ERP, is the only acceptable one. Providing this choice typically requires end to end, real time interoperability across applications and/or services. This real time interoperability, to be sustainable over time requires a service oriented architecture. There's just no way around this. SOA adaptation is admittedly tough at the beginning. New skills, new technology and new headaches. But, like any radically new technology, it has a learning curve that drives cost down rather dramatically over time. Tough choices to be sure, but not entirely different than we face with every major technology cycle. Good points of course, but I felt that something was missing. The points were convincing, perhaps even a bit insightful, but they didn’t get at the heart of what Oracle AppAdvantage is focused upon: how the optimization of technology, applications, processes and relationships can change the very way that organizations operate. And then I thought back to the panel discussion with Rick Hassman at Oracle OpenWorld. Rick stressed that Continuous Improvement is a fundamental business strategy at Pella. I remember Continuous Improvement well as I suspect does everyone who was in American manufacturing during the 80’s. Pioneered by W. Edwards Deming in Japan (and still known alternatively as Kaizen), Continuous Improvement sets in place the business culture that we must not become complacent with success and resistant to the ongoing need for change. Many believe that this single handedly drove the renaissance in American manufacturing through the last two decades, which had become complacent during the 70’s and early 80’s. But what exactly does this have to do with SOA? It was Rick’s next point. He drew the connection that moving those business processes that need to continually change over time out of ERP and into edge applications and services enables continuous improvement by empowering people to continually strive for better ways of doing things rather than be being bound by workflows that cannot change. A compelling connection: that SOA, and the overall Oracle AppAdvantage framework of which it is an integral part, can empower people towards continuous improvement in business processes and as a result drive business leadership and business excellence. What better a case for technology innovation?

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• IBM "per core" comparisons for SPECjEnterprise2010

  - by jhenning

  I recently stumbled upon a blog entry from Roman Kharkovski (an IBM employee) comparing some SPECjEnterprise2010 results for IBM vs. Oracle. Mr. Kharkovski's blog claims that SPARC delivers half the transactions per core vs. POWER7. Prior to any argument, I should say that my predisposition is to like Mr. Kharkovski, because he says that his blog is intended to be factual; that the intent is to try to avoid marketing hype and FUD tactic; and mostly because he features a picture of himself wearing a bike helmet (me too). Therefore, in a spirit of technical argument, rather than FUD fight, there are a few areas in his comparison that should be discussed. Scaling is not free For any benchmark, if a small system scores 13k using quantity R1 of some resource, and a big system scores 57k using quantity R2 of that resource, then, sure, it's tempting to divide: is  13k/R1 > 57k/R2 ? It is tempting, but not necessarily educational. The problem is that scaling is not free. Building big systems is harder than building small systems. Scoring  13k/R1  on a little system provides no guarantee whatsoever that one can sustain that ratio when attempting to handle more than 4 times as many users. Choosing the denominator radically changes the picture When ratios are used, one can vastly manipulate appearances by the choice of denominator. In this case, lots of choices are available for the resource to be compared (R1 and R2 above). IBM chooses to put cores in the denominator. Mr. Kharkovski provides some reasons for that choice in his blog entry. And yet, it should be noted that the very concept of a core is: arbitrary: not necessarily comparable across vendors; fluid: modern chips shift chip resources in response to load; and invisible: unless you have a microscope, you can't see it. By contrast, one can actually see processor chips with the naked eye, and they are a bit easier to count. If we put chips in the denominator instead of cores, we get: 13161.07 EjOPS / 4 chips = 3290 EjOPS per chip for IBM vs 57422.17 EjOPS / 16 chips = 3588 EjOPS per chip for Oracle The choice of denominator makes all the difference in the appearance. Speaking for myself, dividing by chips just seems to make more sense, because: I can see chips and count them; and I can accurately compare the number of chips in my system to the count in some other vendor's system; and Tthe probability of being able to continue to accurately count them over the next 10 years of microprocessor development seems higher than the probability of being able to accurately and comparably count "cores". SPEC Fair use requirements Speaking as an individual, not speaking for SPEC and not speaking for my employer, I wonder whether Mr. Kharkovski's blog article, taken as a whole, meets the requirements of the SPEC Fair Use rule www.spec.org/fairuse.html section I.D.2. For example, Mr. Kharkovski's footnote (1) begins Results from http://www.spec.org as of 04/04/2013 Oracle SUN SPARC T5-8 449 EjOPS/core SPECjEnterprise2010 (Oracle's WLS best SPECjEnterprise2010 EjOPS/core result on SPARC). IBM Power730 823 EjOPS/core (World Record SPECjEnterprise2010 EJOPS/core result) The questionable tactic, from a Fair Use point of view, is that there is no such metric at the designated location. At www.spec.org, You can find the SPEC metric 57422.17 SPECjEnterprise2010 EjOPS for Oracle and You can also find the SPEC metric 13161.07 SPECjEnterprise2010 EjOPS for IBM. Despite the implication of the footnote, you will not find any mention of 449 nor anything that says 823. SPEC says that you can, under its fair use rule, derive your own values; but it emphasizes: "The context must not give the appearance that SPEC has created or endorsed the derived value." Substantiation and transparency Although SPEC disclaims responsibility for non-SPEC information (section I.E), it says that non-SPEC data and methods should be accurate, should be explained, should be substantiated. Unfortunately, it is difficult or impossible for the reader to independently verify the pricing: Were like units compared to like (e.g. list price to list price)? Were all components (hw, sw, support) included? Were all fees included? Note that when tpc.org shows IBM pricing, there are often items such as "PROCESSOR ACTIVATION" and "MEMORY ACTIVATION". Without the transparency of a detailed breakdown, the pricing claims are questionable. T5 claim for "Fastest Processor" Mr. Kharkovski several times questions Oracle's claim for fastest processor, writing You see, when you publish industry benchmarks, people may actually compare your results to other vendor's results. Well, as we performance people always say, "it depends". If you believe in performance-per-core as the primary way of looking at the world, then yes, the POWER7+ is impressive, spending its chip resources to support up to 32 threads (8 cores x 4 threads). Or, it just might be useful to consider performance-per-chip. Each SPARC T5 chip allows 128 hardware threads to be simultaneously executing (16 cores x 8 threads). The Industry Standard Benchmark that focuses specifically on processor chip performance is SPEC CPU2006. For this very well known and popular benchmark, SPARC T5: provides better performance than both POWER7 and POWER7+, for 1 chip vs. 1 chip, for 8 chip vs. 8 chip, for integer (SPECint_rate2006) and floating point (SPECfp_rate2006), for Peak tuning and for Base tuning. For example, at the 8-chip level, integer throughput (SPECint_rate2006) is: 3750 for SPARC 2170 for POWER7+. You can find the details at the March 2013 BestPerf CPU2006 page SPEC is a trademark of the Standard Performance Evaluation Corporation, www.spec.org. The two specific results quoted for SPECjEnterprise2010 are posted at the URLs linked from the discussion. Results for SPEC CPU2006 were verified at spec.org 1 July 2013, and can be rechecked here.

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• Stand-Up Desk 2012 Update

  - by BuckWoody

  One of the more popular topics here on my technical blog doesn't have to do with technology, per-se - it's about the choice I made to go to a stand-up desk work environment. If you're interested in the history of those, check here: Stand-Up Desk Part One Stand-Up Desk Part Two I have made some changes and I was asked to post those here.Yes, I'm still standing - I think the experiment has worked well, so I'm continuing to work this way. I've become so used to it that I notice when I sit for a long time. If I'm flying, or driving a long way, or have long meetings, I take breaks to stand up and move around. That being said, I don't stand as much as I did. I started out by standing the entire day - which did not end well. As you can read in my second post, I found that sitting down for a few minutes each hour worked out much better. And over time I would say that I now stand about 70-80% of the day, depending on the day. Some days I don't even notice I'm standing, so I don't sit as often. Other days I find that I really tire quickly - so I sit more often. But in both cases, I stand more than I sit. In the first post you can read about how I used a simple coffee-table from Ikea to elevate my desktop to the right height. I then adjusted the height where I stand by using a small plastic square and some carpet. Over time I found this did not work as well as I'd like. The primary reason is that the front of these are at the same depth - so my knees would hit the desk or table when I sat down. Also, the desk was at a certain height, and I had to adjust, rather than the other way around.  Also, I like a lot of surface area on top of a desk - almost more of a table. Routing cables and wiring was a pain, and of course moving it was out of the question.   So I've changed what I use. I found a perfect solution for what I was looking for - industrial wire shelving: I bought one, built only half of it (for the right height I wanted) and arranged the shelves the way I wanted. I then got a 5'x4' piece of wood from Lowes, and mounted it to where the top was balanced, but had an over-hang  I could get my knees under easily.My wife sewed a piece of fake-leather for the top. This arrangement provides the following benefits: Very strong Rolls easily, wheels can lock to prevent rolling Long, wide shelves Wire-frame allows me to route any kind of wiring and other things all over the desk I plugged in my UPS and ran it's longer power-cable to the wall outlet. I then ran the router's LAN connection along that wire, and covered both with a large insulation sleeve. I then plugged in everything to the UPS, and routed all the wiring. I can now roll the desk almost anywhere in the room so that I can record, look out the window, get closer to or farther away from the door and more. I put a few boxes on the shelves as "drawers" and tidied that part up. Even my printer fits on a shelf. Laser-dog not included - some assembly required In the second post you can read about the bar-stool I purchased from Target for the desk. I cheaped-out on this one, and it proved to be a bad choice. Because I had to raise it so high, and was constantly sitting on it and then standing up, the gas-cylinder in it just gave out. So it became a very short stool that I ended up getting rid of. In the end, this one from Ikea proved to be a better choice: And so this arrangement is working out perfectly. I'm finding myself VERY productive this way. I hope these posts help you if you decide to try working at a stand-up desk. Although I was skeptical at first, I've found it to be a very healthy, easy way to code, design and especially present over a web-cam. It's natural to stand to speak when you're presenting, and it feels more energetic than sitting down to talk to others.

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• Five development tools I can't live without

  - by bconlon

  When applying to join Geeks with Blogs I had to specify the development tools I use every day. That got me thinking, it's taken a long time to whittle my tools of choice down to the selection I use, so it might be worth sharing. Before I begin, I appreciate we all have our preferred development tools, but these are the ones that work for me. Microsoft Visual Studio Microsoft Visual Studio has been my development tool of choice for more years than I care to remember. I first used this when it was Visual C++ 1.5 (hats off to those who started on 1.0) and by 2.2 it had everything I needed from a C++ IDE. Versions 4 and 5 followed and if I had to guess I would expect more Windows applications are written in VC++ 6 and VB6 than any other language. Then came the not so great versions Visual Studio .Net 2002 (7.0) and 2003 (7.1). If I'm honest I was still using v6. 2005 was better and 2008 was simply brilliant. Everything worked, the compiler was super fast and I was happy again...then came 2010...oh dear. 2010 is a big step backwards for me. It's not encouraging for my upcoming WPF exploits that 2010 is fronted in WPF technology, with the forever growing Find/Replace dialog, the issues with C++ intellisense, and the buggy debugger. That said it is still my tool of choice but I hope they sort the issue in SP1. I've tried other IDEs like Visual Age and Eclipse, but for me Visual Studio is the best. A really great tool. Liquid XML Studio XML development is a tricky business. The W3C standards are often difficult to get to the bottom of so it's great to have a graphical tool to help. I first used Liquid Technologies 5 or 6 years back when I needed to process XML data in C++. Their excellent XML Data Binding tool has an easy to use Wizard UI (as compared to Castor or JAXB command line tools) and allows you to generate code from an XML Schema. So instead of having to deal with untyped nodes like with a DOM parser, instead you get an Object Model providing a custom API in C++, C#, VB etc. More recently they developed a graphical XML IDE with XML Editor, XSLT, XQuery debugger and other XML tools. So now I can develop an XML Schema graphically, click a button to generate a Sample XML document, and click another button to run the Wizard to generate code including a Sample Application that will then load my Sample XML document into the generated object model. This is a very cool toolset. Note: XML Data Binding is nothing to do with WPF Data Binding, but I hope to cover both in more detail another time. .Net Reflector Note: I've just noticed that starting form the end of February 2011 this will no longer be a free tool !! .Net Reflector turns .Net byte code back into C# source code. But how can it work this magic? Well the clue is in the name, it uses reflection to inspect a compiled .Net assembly. The assembly is compiled to byte code, it doesn't get compiled to native machine code until its needed using a just-in-time (JIT) compiler. The byte code still has all of the information needed to see classes, variables. methods and properties, so reflector gathers this information and puts it in a handy tree. I have used .Net Reflector for years in order to understand what the .Net Framework is doing as it sometimes has undocumented, quirky features. This really has been invaluable in certain instances and I cannot praise enough kudos on the original developer Lutz Roeder. Smart Assembly In order to stop nosy geeks looking at our code using a tool like .Net Reflector, we need to obfuscate (mess up) the byte code. Smart Assembly is a tool that does this. Again I have used this for a long time. It is very quick and easy to use. Another excellent tool. Coincidentally, .Net Reflector and Smart Assembly are now both owned by Red Gate. Again kudos goes to the original developer Jean-Sebastien Lange. TortoiseSVN SVN (Apache Subversion) is a Source Control System developed as an open source project. TortoiseSVN is a graphical UI wrapper over SVN that hooks into Windows Explorer to enable files to be Updated, Committed, Merged etc. from the right click menu. This is an essential tool for keeping my hard work safe! Many years ago I used Microsoft Source Safe and I disliked CVS type systems. But TortoiseSVN is simply the best source control tool I have ever used. --- So there you have it, my top 5 development tools that I use (nearly) every day and have helped to make my working life a little easier. I'm sure there are other great tools that I wish I used but have never heard of, but if you have not used any of the above, I would suggest you check them out as they are all very, very cool products. #

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• CodePlex Daily Summary for Thursday, January 27, 2011

  CodePlex Daily Summary for Thursday, January 27, 2011Popular ReleasesVFPX: VFP2C32 2.0.0.8 Release Candidate: This release includes several bugfixes, new functions and finally a CHM help file for the complete library.EnhSim: EnhSim 2.3.3 ALPHA: 2.3.3 ALPHAThis release supports WoW patch 4.06 at level 85 To use this release, you must have the Microsoft Visual C++ 2010 Redistributable Package installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=A7B7A05E-6DE6-4D3A-A423-37BF0912DB84 To use the GUI you must have the .NET 4.0 Framework installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9cfb2d51-5ff4-4491-b0e5-b386f32c0992 - Added back in a p...DB>doc for Microsoft SQL Server: 1.0.0.0: Initial release Supported output HTML WikiPlex markup Raw XML Supported objects Tables Primary Keys Foreign Keys ViewsOffice Web.UI: Alpha preview: This is the first alpha release. Very exciting moment... This download is just the demo application : "Contoso backoffice Web App". No source included for the moment, just the app, for testing purposes and for feedbacks !! This package includes a set of official MS Office icons (143 png 16x16 and 132 png 32x32) to really make a great app ! Please rate and give feedback ThanksParallel Programming with Microsoft Visual C++: Drop 6 - Chapters 4 and 5: This is Drop 6. It includes: Drafts of the Preface, Introduction, Chapters 2-7, Appendix B & C and the glossary Sample code for chapters 2-7 and Appendix A & B. The new material we'd like feedback on is: Chapter 4 - Parallel Aggregation Chapter 5 - Futures The source code requires Visual Studio 2010 in order to run. There is a known bug in the A-Dash sample when the user attempts to cancel a parallel calculation. We are working to fix this.Catel - WPF and Silverlight MVVM library: 1.1: (+) Styles can now be changed dynamically, see Examples application for a how-to (+) ViewModelBase class now have a constructor that allows services injection (+) ViewModelBase services can now be configured by IoC (via Microsoft.Unity) (+) All ViewModelBase services now have a unit test implementation (+) Added IProcessService to run processes from a viewmodel with directly using the process class (which makes it easier to unit test view models) (*) If the HasErrors property of DataObjec...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.160: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release improves NodeXL's Twitter and Pajek features. See the Complete NodeXL Release History for details. Installation StepsFollow these steps to install and use the template: Download the Zip file. Unzip it into any folder. Use WinZip or a similar program, or just right-click the Zip file in Windows Explorer and select "Extract All." Close Ex...Kooboo CMS: Kooboo CMS 3.0 CTP: Files in this downloadkooboo_CMS.zip: The kooboo application files Content_DBProvider.zip: Additional content database implementation of MSSQL, RavenDB and SQLCE. Default is XML based database. To use them, copy the related dlls into web root bin folder and remove old content provider dlls. Content provider has the name like "Kooboo.CMS.Content.Persistence.SQLServer.dll" View_Engines.zip: Supports of Razor, webform and NVelocity view engine. Copy the dlls into web root bin folder to enable...UOB & ME: UOB ME 2.6: UOB ME 2.6????: ???? V1.0: ???? V1.0 ??Password Generator: 2.2: Parallel password generation Password strength calculation ( Same method used by Microsoft here : https://www.microsoft.com/protect/fraud/passwords/checker.aspx ) Minor code refactoringVisual Studio 2010 Architecture Tooling Guidance: Spanish - Architecture Guidance: Francisco Fagas http://geeks.ms/blogs/ffagas, Microsoft Most Valuable Professional (MVP), localized the Visual Studio 2010 Quick Reference Guidance for the Spanish communities, based on http://vsarchitectureguide.codeplex.com/releases/view/47828. Release Notes The guidance is available in a xps-only (default) or complete package. The complete package contains the files in xps, pdf and Office 2007 formats. 2011-01-24 Publish version 1.0 of the Spanish localized bits.ASP.NET MVC Project Awesome, jQuery Ajax helpers (controls): 1.6.2: A rich set of helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form, Popup and Pager the html generation has been optimized, the html page size is much smaller nowFacebook Graph Toolkit: Facebook Graph Toolkit 0.6: new Facebook Graph objects: Application, Page, Post, Comment Improved Intellisense documentation new Graph Api connections: albums, photos, posts, feed, home, friends JSON Toolkit upgraded to version 0.9 (beta release) with bug fixes and new features bug fixed: error when handling empty JSON arrays bug fixed: error when handling JSON array with square or large brackets in the message bug fixed: error when handling JSON obejcts with double quotation in the message bug fixed: erro...Microsoft All-In-One Code Framework: Visual Studio 2008 Code Samples 2011-01-23: Code samples for Visual Studio 2008BloodSim: BloodSim - 1.4.0.0: This version requires an update for WControls.dll. - Removed option to use Old Rune Strike - Fixed an issue that was causing Ratings to not properly update when running Progressive simulations - Ability data is now loaded from an XML file in the BloodSim directory that is user editable. This data will be reloaded each time a fresh simulation is run. - Added toggle for showing Graph window. When unchecked, output data will instead be saved to a text file in the BloodSim directory based on the...MVVM Light Toolkit: MVVM Light Toolkit V3 SP1 (3): Instructions for installation: http://www.galasoft.ch/mvvm/installing/manually/ Includes the hotfix templates for Windows Phone 7 development. This is only relevant if you didn't already install the hotfix described at http://blog.galasoft.ch/archive/2010/07/22/mvvm-light-hotfix-for-windows-phone-7-developer-tools-beta.aspx.Minecraft Tools: Minecraft Topographical Survey 1.3: MTS requires version 4 of the .NET Framework - you must download it from Microsoft if you have not previously installed it. This version of MTS adds automatic block list updates, so MTS will recognize blocks added in game updates properly rather than drawing them in bright pink. New in this version of MTS: Support for all new blocks added since the Halloween update Auto-update of blockcolors.xml to support future game updates A splash screen that shows while the program searches for upd...StyleCop for ReSharper: StyleCop for ReSharper 5.1.14996.000: New Features: ============= This release is just compiled against the latest release of JetBrains ReSharper 5.1.1766.4 Previous release: A considerable amount of work has gone into this release: Huge focus on performance around the violation scanning subsystem: - caching added to reduce IO operations around reading and merging of settings files - caching added to reduce creation of expensive objects Users should notice condsiderable perf boost and a decrease in memory usage. Bug Fixes...MediaScout: MediaScout 3.0 Preview 4: Update ReleaseNew ProjectsCaltrain: Caltrain WP7 free app. Fast and easy way to get caltrain schedules on your windows phone.DB>doc for Microsoft SQL Server: Tool to generate documentation for Microsoft SQL Server database structure. Generates documentation in HTML, XML or WikiPlex format.Delete any type of files: This is a small utility which can be used to delete any type of file from any directory (and it's sub-directories) based on their modified date. You can control all settings via app.config and DeleteFile.config files. DEV Achievements - VS2010 Extension: An extension to get, view and manage your Visual Studio 2010 Achievements :)DirectCanvas: A hardware accelerated, 2D drawing API.Gonte.Web: - Helpers to interface javascript frameworks (such as extjs) - Web utilities for ASP.NET MVCgqq mvc: I create this project to enhance my understand to mvc3. Razor is an excite tool for mvc.jQuery mvctemplate: mvctemplate is a simple jquery plugin that makes it simple to enable great client side functionality for ASP.NET MVC views that bind to models with IEnumerable properties. You get full templating while still being able to use your favorite Html extension methods.List-View navigation WebPart: The ListViewNavigation WebPart shows a list of all your lists/document libraries and their views.Management Cluster Memory SQL Server: Management of automatic configuration of memory instance SQL Server on Cluster Service.MessengerBot: A bot for the Windows Live Messenger system, built on top of msnp-sharp (http://code.google.com/p/msnp-sharp/), using pluggable extensions to respond to various commands. Example usage: monitor a server, monitor your build process, application status or interface, etc.Microsoft Streetslide API (hack): Microsoft Research has developed a street slide, revolutionary new street map. However, it currently works only in iPhone Bing App, so I tried to sneak its API for developers who are interested in. It won't have actual source code until I decided it needed.Moodle 2.0 for Azure: Moodle 2.0 port to Windows Azure platform, using SQL Azure and Azure Drives.MvcCodeRouting: MvcCodeRouting for ASP.NET MVC analyzes your controllers and actions and automatically creates the best possible routes for them.Office Web.UI: Office Web UI provides visual components to create consitant web apps that look like Office.Orchard Choice List Custom Field: Adds a new field type, ChoiceList, to your Orchard Project installation. Creates a simple drop-down list. Add the field to a content type, then add a semi-colon-delimited list of items. Written in C#.Procedural 2D terrain generator: Small application used for procedurally generating a terrain for a one-level 2D tilemap. Makes use of "ant" style algorithms for randomly generating the terrain. It's made in VB.NET: Idea is for others to reproduce the algorithms in their language / game engine of choice.QuanLyKho: Qu?n lý kho hàngSharepoint Custom fields (lookup,ID and Choice): Sharepoint Custom fields project is an amelioration of basic sharepoint fields. Are included: - A lookup field and multi choice field with muti column view and other functionnalities. - An ID field to use ID in calculated fields - Modification of SoapService for Excel use.Silverlight.Me: this is an open source website.we want to create a website about silverlight.then there's all our ideas.Tigerkin's Code Zone: My code will be put on this site.WPTinyApps: A collection of small Windows Phone 7 apps I've released as open sourceZebra_Database, a MySQL database wrapper written in PHP: Zebra_Database it is an advanced, compact (one-file only), lightweight, object-oriented MySQL database wrapper built upon PHP’s MySQL extension. It provides methods for interacting with MySQL databases that are more intuitive and fun to use than PHP’s default ones.

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• dotConnect or "sqlite.phxsoftware.com" for using Entity Framework with SQLite

  - by Greg

  Which is the better choice out of dotConnect or "sqlite.phxsoftware.com" for using Entity Framework with SQLite (in C#)?

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• F# vs Haskell vs Lisp - which language to learn?

  - by empi

  I've heard a lot about functional programming languages and I'm willing to learn one. I guess it will be mostly for fun, however, I hope it will improve my programming skills. I have mostly C#/.NET background, so my first choice is to learn F# (because of .NET and familiarity with Visual Studio). On the on other hand, I wonder if F# has features like Lisp macros or Haskell higher order functions. Could you compare F#, Haskell and Lisp? Which one will be the language of your choice?

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• Using LMDWebHTTPGet downloads the file to the Temporary Internet Files directory only

  - by Tom

  Using LMDWebHTTPGet1 from LMD Innovative downloads the file to the Temporary Internet Files directory only I would like to get it into a directory of my choice

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• What is the correct Qt idiom for exposing signals/slots of contained widgets?

  - by Tyler McHenry

  Suppose I have a MyWidget which contains a MySubWidget, e.g. a custom widget that contains a text field or something. I want other classes to be able to connect to signals and slots exposed by the contained MySubWidget instance. Is the conventional way to do this: Expose a pointer to the MySubWidget instance through a subWidget() method in MyWidget Duplicate the signals and slots of MySubWidget in the MyWidget class and write "forwarding" code Something else? Choice 1 seems like the least code, but it also sort of breaks encapsulation, since now other classes know what the contained widgets of MyWidget are and might become dependent on their functionality. Choice 2 seems like it keeps encapsulation, but it's a lot of seemingly redundant and potentially convoluted code that kind of messes up the elegance of the whole signals and slots system. What is normally done in this situation?

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• Php Framework Advice

  - by gnomixa

  I am looking for a lightweight php framework with the following qualifications: ability to write my own sql queries ( i simply don't trust CakePHP like method where the framework does your sql for you); ability to integrate Jquery easily; built-in templating, or relatively easy to introduce Smarty (or another templating engine) into it; MVC; fast Any advice/comparison? i have looked into CodeIgniter, Symfony and CakePHP so far. Symfony is slow, and CakePHP is too inaccessible ...so far my choice would be CodeIgniter. I played with it a bit, but i would like to hear more experiences. I am looking for a framework that will "enforce" organization of my app in a logical way - MVC seems like a great choice.

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• Umbraco or ASP.NET MVC

  - by StupidBoy

  I'm about to create a site that will act as public front site of company that sells furniture, but after user log in, he'll see much more options. Internal news, files to download, customized pricings, newsletters, etc. - stuff for wholesale clients. I want to make it quickly and maintain/extend it easily. I'm asp.net developer and while I could write it in python, php, whatever else (I know these too), I still prefer asp.net. I was thinking about umbraco, since it gives a real productivity boost and that I familiar with it ( and extending it). I've had a short romance with ASP.NET MVC, so I know what it's all about, but I would still spend some time learning it (but what a fun!). Of course, there's also webforms, but that's my last choice here. Last but not least to mention is the SEO. The question is, have anyone of you had similiar dilemma and what was your final choice?

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• Oracle Enterprise Linux or Red Hat Enterprise Linux?

  - by peturgretars

  I would highly appreciate hearing some opinions regarding the choice of Linux distribution when it comes to setting up an Oracle 11.2.0.3 RAC. We are about to install 2 node Oracle 11.2.0.3 RAC's in data centers A and B. Then we are going to have a standby in B for A and a standby in A for B using Data Guard in ASYNC transmit (long distance). Personally I have more experience with OEL and I know that for example Oracle Smart Flash Cache and zero patching downtime were only supported in OEL 5. I am not sure about OEL 6 vs RHEL 6 though. My question is, which Operating System should we go for and why, Oracle Enterprise Linux 5/6 or Red Hat Enterprise Linux 5/6? The hosting company is unfortunately not supporting OEL at the moment so if OEL is the choice then how would convince the hosting company to start using OEL and supporting it? Thanks so much!

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• greasemonkey script to select radio button

  - by muqtar

  Hi all, i'm new here. i've a question related to greasemonkey. A page contain multiple radio buttoned values and one choice is to made, this correct choice option is hidden within the page the radio buttons are present in the form whose structure is <form name="bloogs" action="/myaddres.php" id="bloogs" method="post" > then the hidden field as <input type=hidden value="abcd" name="ans"> then all the radio button values are followed as <input type="radio" id="r1" name="opt" value="abcd"> abcd <input type="radio" id="r1" name="opt" value="efgh"> efgh <input type="radio" id="r1" name="opt" value="ijkl"> ijkl and so on thus i need the button with value=abcd be selected as soon as the page loads. Thanks

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• How to avoid null pointer error

  - by Jessy

  I trying to find whether the elements of 2 arrayLists are match or not. But this code give me error Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException since some of the elements are null. How can I solved this problem? String level []={"High","High","High","High","High","High"}; ArrayList<Object> n = new ArrayList<Object>(Arrays.asList(level)); String choice []={null,"High","Low","High",null,"Medium"}; ArrayList<Object> m = new ArrayList<Object>(Arrays.asList(choice)); //Check if the two arrayList are identical for(int i=0; i<m.size(); i++){ if(!(m.get(i).equals(n.get(i)))){ result= true; break; } } return result; }

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