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• Why doesn't libxml2 support XPath 2.0?

  - by Peter Krauss

  Libxml2 is the faster, stable and most popular "open DOM engine"... And the "XML C parser and toolkit of Gnome". The initial release of Libxml2 was September 1999, 13 years ago. XPath v1.0 was also released at 1999. XPath v2.0 became a recommendation on January 2007, 6 years ago. We can suppose that the Libxml2 community have time and people to develop a XPath2... So, what is the problem? Why doesn't libxml2 (or a "libxml2 fork" or an "experimental lib"!) support XPath 2.0? Some raised hypotheses to discussion at answers, Because Libxml2 community (and Gnome community) dislikes and have no motivation to develop something to XPath2 or xQuery. 1.1. XPath2 needs (by mathematical proof) a very heavy parser, much slower, etc. that is not suitable to real-world Libxml2 applications. 1.2. Other "ideologic" dislikes/motivations. Because it is written with C, and for XPath2 is better to develop with C++. Because the above hypothesis of "Libxml2 community have time and people" is false. Because XPath2 became stable in 2010 with its "Second Edition" release, and ~2.5 years is not (?) enough time.

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• Working with Reporting Services Filters–Part 5: OR Logic

  - by smisner

  When you combine multiple filters, Reporting Services uses AND logic. Once upon a time, there was actually a drop-down list for selecting AND or OR between filters which was very confusing to people because often it was grayed out. Now that selection is gone, but no matter. It wouldn’t help us solve the problem that I want to describe today. As with many problems, Reporting Services gives us more than one way to apply OR logic in a filter. If I want a filter to include this value OR that value for the same field, one approach is to set up the filter is to use the IN operator as I explained in Part 1 of this series. But what if I want to base the filter on two different fields? I  need a different solution. Using the AdventureWorksDW2008R2 database, I have a report that lists product sales: Let’s say that I want to filter this report to show only products that are Bikes (a category) OR products for which sales were greater than $1,000 in a year. If I set up the filter like this: Expression Data Type Operator Value [Category] Text = Bikes [SalesAmount]   > 1000 Then AND logic is used which means that both conditions must be true. That’s not the result I want. Instead, I need to set up the filter like this: Expression Data Type Operator Value =Fields!EnglishProductCategoryName.Value = "Bikes" OR Fields!SalesAmount.Value > 1000 Boolean = =True The OR logic needs to be part of the expression so that it can return a Boolean value that we test against the Value. Notice that I have used =True rather than True for the value. The filtered report appears below. Any non-bike product appears only if the total sales exceed $1,000, whereas Bikes appear regardless of sales. (You can’t see it in this screenshot, but Mountain-400-W Silver, 38 has sales of $923 in 2007 but gets included because it is in the Bikes category.)

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• Use CompiledQuery.Compile to improve LINQ to SQL performance

  - by Michael Freidgeim

  After reading DLinq (Linq to SQL) Performance and in particular Part 4  I had a few questions. If CompiledQuery.Compile gives so much benefits, why not to do it for all Linq To Sql queries? Is any essential disadvantages of compiling all select queries? What are conditions, when compiling makes whose performance, for how much percentage? World be good to have default on application config level or on DBML level to specify are all select queries to be compiled? And the same questions about Entity Framework CompiledQuery Class. However in comments I’ve found answer  of the author ricom 6 Jul 2007 3:08 AM Compiling the query makes it durable. There is no need for this, nor is there any desire, unless you intend to run that same query many times. SQL provides regular select statements, prepared select statements, and stored procedures for a reason.  Linq now has analogs. Also from 10 Tips to Improve your LINQ to SQL Application Performance   If you are using CompiledQuery make sure that you are using it more than once as it is more costly than normal querying for the first time. The resulting function coming as a CompiledQuery is an object, having the SQL statement and the delegate to apply it.  And your delegate has the ability to replace the variables (or parameters) in the resulting query. However I feel that many developers are not informed enough about benefits of Compile. I think that tools like FxCop and Resharper should check the queries  and suggest if compiling is recommended. Related Articles for LINQ to SQL: MSDN How to: Store and Reuse Queries (LINQ to SQL) 10 Tips to Improve your LINQ to SQL Application Performance Related Articles for Entity Framework: MSDN: CompiledQuery Class Exploring the Performance of the ADO.NET Entity Framework - Part 1 Exploring the Performance of the ADO.NET Entity Framework – Part 2 ADO.NET Entity Framework 4.0: Making it fast through Compiled Query

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• Another Exchange 2003 to Exchange 2010 mail flow issue

  - by Ryan Roussel

  During a migration recently, we came across another internal mail routing issue.  The symptoms were identical to my previous post about Exchange internal mail routing.  Mail was flowing from 2010 to 2003, from 2010 to the internet, but not from 2003 to 2010.   I went through the normal check list looking at permissions, DNS, and the routing group connectors.  I verified that both servers listed in the routing group connectors were the routing master in their respective routing groups through the 2003 ESM.  I also verified that inheritable permissions were enabled for the Exchange 2003 server object in the schema.  No luck with either.   For my previous post about this issue in which inheritable permissions were the culprit: Exchange 2010, Exchange 2003 Mail Flow issue   And for Routing Group issues: Exchange 2007 Routing Group Connector Mayhem   I finally enabled logging on the SMTP virtual server on Exchange 2003 and the Default Receive Connector on 2010 and sent a few test e-mails where I found 2003 was having issues authenticating to 2010.  By default 2003 uses Exchange Server Authentication to communicate to 2010. The exact error was: 4.7.0 Temporary Authentication Failure which was found in the SMTP logs on the Exchange 2003 side   After scouring based on this error, I found the solution:   The Access this computer from the network user rights in the local computer policy on the Exchange 2010 server were changed from the default.  The network administrator had modified the Default Domain policy and changed this user right assignment to only list Domain Users.   The fix was to clear this setting in the Default Domain policy,  force gpupdate to refresh the group policy settings, then ensure the appropriate users and groups were listed.   This immediately fixed the problem and the Exchange 2003 server was able to route mail to the Exchange 2010 mailboxes.   The default user rights assignments for Access this computer from the network On Workstations and Servers: Administrators Backup Operators Power Users Users Everyone On Domain Controllers: Administrators Authenticated Users Everyone More can be found here: http://technet.microsoft.com/en-us/library/cc740196(WS.10).aspx

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• SharePoint 2010 in the cloud a.k.a. SharePoint Online

  - by Sahil Malik

  Ad:: SharePoint 2007 Training in .NET 3.5 technologies (more information). There are 3 ways to run SharePoint On premises, you buy the servers, and you run the servers. Hosted servers, where you don’t run the servers, but you let a hosting company run dedicated servers. Multi-tenant, like SharePoint online – this is what I am talking about in this blog post. Also known as SaaS (Software as a Service). The advantages of a cloud solution are undeniable. Availability, (SharePoint line offers a 99.9% uptime SLA) Reliability. Cost. Due to economies of scale, and no need to hire specialized dedicated staff. Scalability. Security. Flexibility – grow or shrink as you need to. If you are seriously considering SharePoint 2010 in the cloud, there are some things you need to know about SharePoint online. What will work - OOTB Customization, collaboration features etc. will work SharePoint Designer 2010 is supported, so no code workflows will work Visual Studio sandbox solutions, client object model will work. What won’t work - SharePoint 2010 online cloud environment supports only sandbox solutions. BCS, business connectivity services is not supported in SharePoint online. What you can do however is to host your services in Azure, and call them using Silverlight. Custom timer jobs will not work. Long story short, get used to Sandbox solutions – and the new way of programming. Sandbox solutions are pretty damn good. Most of the complaints I have heard around sandbox solutions being too restrictive, are uninformed mechanisms of doing things mired in the ways of 2002. .. or you could just live in 2002 too. Comment on the article ....

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• How to register a .cn domain

  - by user359650

  I would like to register a .cn domain. I found the below pages which list the officially accredited registrars: -based in China: http://www.cnnic.net.cn/html/Dir/2007/06/05/4635.htm -based outside China: http://www.cnnic.net.cn/html/Dir/2007/06/25/4671.htm Needless to say that the registrars based in China have their website in Chinese which effectively prevents me from using them. There are 11 oversea registrars and I'm wondering which one I should be using. If you look at the big names, they all have their .cn registered (facebook.cn, microsoft.cn...), and whois only shows a Sponsering registrar which doesn't seem to be offering domains registration services directly to consumers: $ whois facebook.cn Domain Name: facebook.cn ROID: 20050304s10001s04039518-cn Domain Status: ok Registrant ID: tuv3ldreit6px8c7 Registrant Organization: Facebook Inc. Registrant Name: Facebook, Inc. Registrant Email: [email protected] Sponsoring Registrar: Tucows, Inc. http://www.tucowsdomains.com/ only seems to offer domain-related help but not registration. $ whois microsoft.cn Domain Name: microsoft.cn ROID: 20030312s10001s00043473-cn Domain Status: clientDeleteProhibited Domain Status: clientUpdateProhibited Domain Status: clientTransferProhibited Registrant ID: mmr-44297 Registrant Organization: Microsoft Corporation Registrant Name: Domain Administrator Registrant Email: [email protected] Sponsoring Registrar: MarkMonitor, Inc. https://www.markmonitor.com/ seems to offer registration but only to "big" customers, and definitely not to consumers like me via a web portal. Q: How do big companies register their .cn domains? How consumers like us should do it?

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• Working with Reporting Services Filters–Part 5: OR Logic

  - by smisner

  When you combine multiple filters, Reporting Services uses AND logic. Once upon a time, there was actually a drop-down list for selecting AND or OR between filters which was very confusing to people because often it was grayed out. Now that selection is gone, but no matter. It wouldn’t help us solve the problem that I want to describe today. As with many problems, Reporting Services gives us more than one way to apply OR logic in a filter. If I want a filter to include this value OR that value for the same field, one approach is to set up the filter is to use the IN operator as I explained in Part 1 of this series. But what if I want to base the filter on two different fields? I  need a different solution. Using the AdventureWorksDW2008R2 database, I have a report that lists product sales: Let’s say that I want to filter this report to show only products that are Bikes (a category) OR products for which sales were greater than $1,000 in a year. If I set up the filter like this: Expression Data Type Operator Value [Category] Text = Bikes [SalesAmount]   > 1000 Then AND logic is used which means that both conditions must be true. That’s not the result I want. Instead, I need to set up the filter like this: Expression Data Type Operator Value =Fields!EnglishProductCategoryName.Value = "Bikes" OR Fields!SalesAmount.Value > 1000 Boolean = =True The OR logic needs to be part of the expression so that it can return a Boolean value that we test against the Value. Notice that I have used =True rather than True for the value. The filtered report appears below. Any non-bike product appears only if the total sales exceed $1,000, whereas Bikes appear regardless of sales. (You can’t see it in this screenshot, but Mountain-400-W Silver, 38 has sales of $923 in 2007 but gets included because it is in the Bikes category.)

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• GAC and SharePoint

  - by Sahil Malik

  SharePoint 2010 Training: more information GAC and SharePoint have had a funny love & hate relationship. In 2007, SharePoint and GAC fell in love. GAC was about the only practical alternative to deploying custom code. Here is a dirty secret, based on completely unscientific and unfounded research, I can tell you that 99% of SharePoint code written, ended up in the GAC. Yes, I know GAC rhymes with hack, crack, smack, and even mac, but still it was the better alternative. You could write CAS policies and put your DLLs in the bin folder, but it was mighty inconvenient to both write, and maintain. Most of us never did it. There are still some SharePoint developers out there insisting on the bin approach – well, get over it; you’re not winning the fight. CAS is about as outdated as Samantha Fox anyway. It was hot at one point though. So all that code that ended up in the GAC caused lots and lots of headache. Clearly, Microsoft had to get us off the crack, uhh .. I mean the GAC. In Read full article ....

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• Ubuntu 12.04 server froze during the first boot after it was installed.

  - by user69021

  I installed Ubuntu server 12.04 to my new server and it failed on the first boot. It just stopped and I can't proceed any further. Server's specifications: Dell PowerEdge T620 CPU : Xeon E5-2665 2.4G x 2 RAM : 8GB RDIMM, 1333MHz x 12 HDD : 3TB Near Line SAS 7.2K x 8 RAID controller : PERC H710 GPU : NVIDIA Tesla C2075 x 4 I have a screenshot of the screen it stopped on but I cannot attach it because my privilege level is currently too low. ![freeze on boot][1] Here are the last messages while booting. [5.048743] Freeing unused kernel memory : 920k freed [5.049046] Write protecting the kernel read-only data : 12288k [5.052973] Freeing unused kernel memory : 1608k freed [5.056132] Freeing unused kernel memory : 1196k freed Loading, please wait... [5.070236] udevd[218]: starting version 175 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. [5.089030] megasas: 00.00.06.12-rc1 Wed. Oct. 5 17:00:00 PDT 2011 [5.089518] megasas: 0x1000:0x005b:0x1028:0x1f35: bus 1:slot 0:func 0 [5.089739] megaraid_sas 0000:01:00.0: PCI INT A -> GSI 34 (level, low) -> IRQ 34 [5.089937] megasas: FW now in Ready state [5.090427] dca service started, version 1.12.1 [5.091463] Intel(R) Gigabit Ethernet Network Driver - version 3.2.10-k [5.091578] Copyright (c) 2007-2011 Intel Corporation. [5.091712] igb 0000:06:00.0: PCI INT A -> GSI 16 (level,low) -> IRQ 16 [5.111090] megasas:IOC Init cmd success [5.123124] usb 1-1:new high-speed USB device number 2 using ehci_hcd What can I do about this?

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• In the Aggregate: How Will We Maintain Legacy Systems? [closed]

  - by Jim G.

  NEW YORK - With a blast that made skyscrapers tremble, an 83-year-old steam pipe sent a powerful message that the miles of tubes, wires and iron beneath New York and other U.S. cities are getting older and could become dangerously unstable. July 2007 Story About a Burst Steam Pipe in Manhattan We've heard about software rot and technical debt. And we've heard from the likes of: "Uncle Bob" Martin - Who warned us about "the consequences of making a mess". Michael C. Feathers - Who gave us guidance for 'Working Effectively With Legacy Code'. So certainly the software engineering community is aware of these issues. But I feel like our aggregate society does not appreciate how these issues can plague working systems and applications. As Steve McConnell notes: ...Unlike financial debt, technical debt is much less visible, and so people have an easier time ignoring it. If this is true, and I believe that it is, then I fear that governments and businesses may defer regular maintenance and fortification against hackers until it is too late. [Much like NYC and the steam pipes.] My Question: Is there a way that we can avoid the software equivalent of NYC and the steam pipes?

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• Working with documents and SharePoint - Best practices

  - by KunaalKapoor

  Follow these simple guidelines to make collaboration using SharePoint easier:1. File Name:While it is allowed to use spaces in your filename (and maybe it seems even logical to do so), don’t use them if your file will end up (or is born on) SharePoint. When you use the “download a copy” functionality, SharePoint will replace the spaces with an “_”. This might (will) result in inconsistency when you upload the “same” file again, since SharePoint will see this as a different file (since the filename is different). I recommend using a filename with Capitalization style naming guideline. For instance: the document “Overall governance model.docx” would be named “OverallGovernanceModel.docx”Use the TITLE field in the office applications to give your document a title (and subtitle and keywords, .) The title column can be used in a view in a library. You can get to the document properties by clicking on 'Office Button/Prepare/Properties'. (Office 2007). This is metadata that is stored with the document, and will remain in the document (even if you exchange this document via e-mail, via an external hard drive). The filename cannot be longer than 128 characters. (and that is IMHO far beyond reasonable) You cannot use any of these characters: ” # % & * : < > ? \ / { | } ~ 2. Versioning:SharePoint has a built-in versioning system. You can work with major (published) versions, and minor (draft) versions. Of each of these two document types, you can store a numbers of versions that are kept. Watch out, each version is saved, not only the delta between 2 versions, and this counts to your Site Collection Quota. (Example: you have a Word document with a size of 2 MB. When you keep 5 Drafts this will result in storing (and consuming) 10 MB.So, don’t call your document “NewUserAccountProcessDRAFTv1.docx”, but “NewUserAccountProcess.docx” and use versioning setting in your library.You can enable views on your library to display the version number.You can enable the version number to be displayed in a Word document.3. Use MetadataUse metadata to assign other properties to documents, so it can be easily identified, sorted- or grouped by.

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• EBS 11i- Új ÁFA törvényt követo lokalizációs csomag

  - by user552636

  Mai világunkban már hozzászokhattunk, hogy minden változik. Már meg sem lep bennünket, hogy az ÁFA törvény 2013-tól szintén módosul. Jó hír E-Business Suite 11i -t használó Ügyfeleink számára, hogy elkészült az adótörvények változásához kapcsolódóan (Art. 31/B §) az Oracle E-Business Suite 11i (11.5.10) verziójához az új lokalizációs ÁFA csomag, amely a 2013-tól az "Összesíto jelentés"-hez szükséges adatok eloállítását támogatja. Az új ÁFA csomag az alábbi három új kimutatás csoportot tartalmazza, amelyek a jelenlegi ÁFA megoldáshoz hasonlóan lehetové teszik a riport eredmények elozetes megtekintését, az eredmények véglegesítését, illetve szükség esetén másolati nyomtatás készítését: - "OHU: ÁFA analitika és összesíto jelentés 2013 (Elozetes)" - "OHU: ÁFA analitika és összesíto jelentés 2013 (Végleges)" - "OHU: ÁFA analitika és összesíto jelentés 2013 (Másolat)" A kimutatás csoportokban az alábbi programok lesznek elérhetok:  - OHU: ÁFA analitika kimutatás  - OHU: Belföldi összesíto jelentés partnerenként Az "OHU: ÁFA analitika kimutatás" funkcionális szempontból nem módosul, csak az ahhoz szükséges technikai módosítások kerülnek átvezetésre, hogy a kimutatás által összegyujtött adatok az "OHU: Belföldi összesíto jelentés partnerenként" kimutatás számára elérhetok legyenek. Az újonnan megjeleno "OHU: Belföldi összesíto jelentés partnerenként" kimutatás a NAV 1365A-01-05-ös összesíto és a 1365M lapok partnerenkénti kitöltéséhez szükséges adatokat listázza, a tervek szerint Excel formátumban, az adatokat a bevallás által kért eFt-ra kerekítve. (A riport adatok Excel formátumban történo megjelenítéséhez elofeltétel az Oracle BI Publisher termék telepítése). A lokalizációs csomagban korábban elérheto:  - "OHU: Levonható ÁFA megosztási kimutatás" és a kapcsolódó  - "OHU: ÁFA Fizeto pozíció bejegyzése" programok nem kerülnek aktualizálásra, mivel használatuk korábbi adó törvény változások miatt már nem szükséges. A 2013-ra vonatkozó ÁFA bevallások készítése során már az új "OHU: ÁFA analitika és összesíto jelentés 2013" kimutatáscsoportok futtatását javasoljuk, a korábbi ÁFA kimutatás csoportokat pedig használaton kívül kell helyezni. A 2013-tól használandó új ÁFA csomag az Oracle Support szolgáltatásán keresztül érheto el. Ügyfeleink a My Oracle Support-on 1713-as termékkódra (EMEA Add-on Localizations) megnyitott hibajegyen (SR) bejelentésével jelezhetik igényüket a fentebb részletezett lokalizációs csomagra.

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• How to decide how backward-compatible my new Mac OS X application should be?

  - by haimg

  I'm currently contemplating writing an OS X version of my Windows software. My Windows application still supports Windows XP, and I know that if I drop support for it now, our customers will cry bloody murder. I'm new to OS X development, and as I learn the technology, APIs, etc., I realized that if I'm going to provide comparable level of backward compatibility (e.g. down to OS X 10.5), I would not be able to use many things that look very useful and relevant in my case (ARC, XPC communications, many others). This is quite different from Windows, in my opinion, where there are very little changed between Windows XP and Windows 7 from desktop application developer's standpoint. So, on one hand, it seems like a complete waste to stick to 2007 or 2009-level API in 2012. On the other hand, according to NetMarketShare report and Stat Owl report Mac OS X 10.5 and 10.6 market share is still 11% and 35%-40% respectively. However, I'm not sure if these older OS users are my target audience (buyers of software utilities) if they didn't bother to upgrade their OS... My question: Are there any other reasons I should take into account when deciding if I target 10.5 or 10.6 or 10.7 for a new application?

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• Still Alive&hellip;

  - by MOSSLover

  As Glados would say at the end of Portal “I’m still alive…”.  I am around, but I’m just not posting as frequently as I should.  I am trying to get acclimated to my new job, planning SharePoint Saturday New York City and Women in SharePoint plus trying to lead a normal life doing normal chores and hang out with my boyfriend.  What does this mean?  Well I’m trying to cut back to one or two events a month, which will include Heartland Developer Conference, Best Practices Conference, SPS Ozarks, SPS NYC (not speaking, running), and maybe SPS Denver and/or SPS East Bay.  So with the new job acclimation the blog suffers and twitter is getting less loven.  I’m only posting on twitter at night.  I will try to blog when I can as I see more 2010 and 2007 things that I find interesting to share.  I guess when you are a new employee you try to figure out what’s going on the first few months.  It’s really hard to post on SharePoint issue while that happens.  I’m really sorry guys and I will try harder to post at least a couple times a month (and maybe moderate comments  slightly better).  I hope that you all have a good weekend.

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• I can't program because the code I am using uses old coding styles. Is this normal to programmers? [closed]

  - by Renato Dinhani Conceição

  I'm in my first real job as programmer, but I can't solve any problems because of the coding style used. The code here: Does not have comments Does not have functions (50, 100, 200, 300 or more lines executed in sequence) Uses a lot of if statements with a lot of paths Has variables that make no sense (eg.: cf_cfop, CF_Natop, lnom, r_procod) Uses an old language (Visual FoxPro 8 from 2002), but there are new releases from 2007. I feel like I have gone back to 1970. Is it normal for a programmer familiar with OOP, clean-code, design patterns, etc. to have trouble with coding in this old-fashion way? EDIT: All the answers are very good. For my (un)hope, appears that there are a lot of this kind of code bases around the world. A point mentioned to all answers is refactor the code. Yeah, I really like to do it. In my personal project, I always do this, but... I can't refactor the code. Programmers are only allowed to change the files in the task that they are designed for. Every change in old code must be keep commented in the code (even with Subversion as version control), plus meta informations (date, programmer, task) related to that change (this became a mess, there are code with 3 used lines and 50 old lines commented). I'm thinking that is not only a code problem, but a management of software development problem.

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• Calendar issue in simple java form using swing package?

  - by Rand Mate

  I have created a form using java swing package, For the purpose of adding Date of Birth in the form I have used the following code particularly to add in java Frame via Swing Package. Is there any alternative way to simplify the code. JLabel l2 = new JLabel("Date of Birth"); l2.setBounds(200,160,100,20); String day[] ={"1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30"}; String month[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; String year[] = {"2012","2011","2010","2009","2008","2007","2006","2005","2004","2003","2002","2001","2000","1999","1998","1997","1996","1995","1994","1993","1992","1991","1990","1989","1988","1987","1986","1985","1984","1983","1982","1981","1980","1979","1976","1975"}; JComboBox cb1 = new JComboBox(day); cb1.setBounds(450,160,50,20); JComboBox cb2 = new JComboBox(month); cb2.setBounds(500,160,50,20); JComboBox cb3 = new JComboBox(year); cb3.setBounds(550,160,60,20);

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• Name of the Countdown Numbers round problem - and algorithmic solutions?

  - by Dai

  For the non-Brits in the audience, there's a segment of a daytime game-show where contestants have a set of 6 numbers and a randomly generated target number. They have to reach the target number using any (but not necessarily all) of the 6 numbers using only arithmetic operators. All calculations must result in positive integers. An example: Youtube: Countdown - The Most Extraordinary Numbers Game Ever? A detailed description is given on Wikipedia: Countdown (Game Show) For example: The contentant selects 6 numbers - two large (possibilities include 25, 50, 75, 100) and four small (numbers 1 .. 10, each included twice in the pool). The numbers picked are 75, 50, 2, 3, 8, 7 are given with a target number of 812. One attempt is (75 + 50 - 8) * 7 - (3 * 2) = 813 (This scores 7 points for a solution within 5 of the target) An exact answer would be (50 + 8) * 7 * 2 = 812 (This would have scored 10 points exactly matching the target). Obviously this problem has existed before the advent of TV, but the Wikipedia article doesn't give it a name. I've also saw this game at a primary school I attended where the game was called "Crypto" as an inter-class competition - but searching for it now reveals nothing. I took part in it a few times and my dad wrote an Excel spreadsheet that attempted to brute-force the problem, I don't remember how it worked (only that it didn't work, what with Excel's 65535 row limit), but surely there must be an algorithmic solution for the problem. Maybe there's a solution that works the way human cognition does (e.g. in-parallel to find numbers 'close enough', then taking candidates and performing 'smaller' operations).

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• SharePoint: UI for ordering list items

  - by svdoever

  SharePoint list items have in the the base Item template a field named Order. This field is not shown by default. SharePoint 2007, 2010 and 2013 have a possibility to specify the order in a UI, using the _layouts page: {SiteUrl}/_layouts/Reorder.aspx?List={ListId} In SharePoint 2010 and 2013 it is possible to add a custom action to a list. It is possible to add a custom action to order list items as follows (SharePoint 2010 description): Open SharePoint Designer 2010 Navigate to a list Select Custom Actions > List Item Menu Fill in the dialog box: Open List Settings > Advanced Settings > Content Types, and set Allow management of content types to No  On List Settings select Column Ordering This results in the following UI in the browser: Selecting the custom Order Items action (under List Tools > Items) results in: You can change your custom action in SharePoint designer. On the list screen in the bottom right corner you can find the custom action: We now need to modify the view to include the order by adding the Order field to the view, and sorting on the Order field. Problem is that the Order field is hidden. It is possible to modify the schema of the Order field to set the Hidden attribute to FALSE. If we don’t want to write code to do it and still get the required result it is also possible to modify the view through SharePoint Designer: Modify the code of the view: This results in: Note that if you change the view through the web UI these changes are partly lost. If this is a problem modify the Order field schema for the list.

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• Business Forces: SOA Adoption

  The only constant in today’s business environment is change. Businesses that continuously foresee change and adapt quickly will gain market share and increased growth. In our ever growing global business environment change is driven by data in regards to collecting, maintaining, verifying and distributing data.  Companies today are made and broken over data. Would anyone still use Google if they did not have one of the most accurate search indexes on the internet? No, because their value is in their data and the quality of their data. Due to the increasing focus on data, companies have been adopting new methodologies for gaining more control over their data while attempting to reduce the costs of maintaining it. In addition, companies are also trying to reduce the time it takes to analyze data in regards to various market forces to foresee changes prior to them actually occurring.   Benefits of Adopting SOA Services can be maintained separately from other services and applications so that a change in one service will only affect itself and client services or applications. The advent of services allows for system functionality to be distributed across a network or multiple networks. The costs associated with maintain business functionality is much higher in standard application development over SOA due to the fact that one Services can be maintained and shared to other applications instead of multiple instances of business functionality being duplicated via hard coding in to several applications. When multiple applications use a single service for a specific business function then the all of the data being processed will be consistent in terms of quality and accuracy through the applications. Disadvantages of Adopting SOA Increased initial costs and timelines are associated with SOA due to the fact that services need to be created as well as applications need to be modified to call the services In order for an SOA project to be successful the project must obtain company and management support in order to gain the proper exposure, funding, and attention. If SOA is new to a company they must also support the proper training in order for the project to be designed, and implemented correctly. References: Tews, R. (2007). Beyond IT: Exploring the Business Value of SOA. SOA Magazine Issue XI.

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• Can't find new.h - getting gcc-4.2 on Quantal?

  - by Suyo

  I've been trying to compile the Valve Source SDK (2007) on my machine, but I keep running into the same error: In file included from ../public/tier1/interface.h:50:0, from ../utils/serverplugin_sample/serverplugin_empty.cpp:13: ../public/tier0/platform.h:46:17: new.h: No such file or directory I'm pretty new to C++ coding and compiling, but using apt-file search I tried to use every single suggestion for the required files in the Makefile (libstdc++.a and libgcc_eh.a), and none worked. I then found a note in the Makefile saying gcc 4.2.2 is recommended - I assume the older code won't work with the newer version, but gcc-4.2 is unavailable in 12.10. So my question/s is/are: If my assumption is right - how do I get gcc 4.2.2 on Quantal? If my assumption is wrong - what else could be the problem here? Relevant portion of the Makefile: # compiler options (gcc 3.4.1 will work - 4.2.2 recommended) CC=/usr/bin/gcc CPLUS=/usr/bin/g++ CLINK=/usr/bin/gcc CPP_LIB="/usr/lib/gcc/x86_64-w64-mingw32/4.6/libstdc++.a /usr/lib/gcc/x86_64-w64-mingw32/4.6/libgcc_eh.a" # GCC 4.2.2 optimization flags, if you're using anything below, don't use these! OPTFLAGS=-O1 -fomit-frame-pointer -ffast-math -fforce-addr -funroll-loops -fthread-jumps -fcrossjumping -foptimize-sibling-calls -fcse-follow-jumps -fcse-skip-blocks -fgcse -fgcse-lm -fexpensive-optimizations -frerun-cse-after-loop -fcaller-saves -fpeephole2 -fschedule-insns2 -fsched-interblock -fsched-spec -fregmove -fstrict-overflow -fdelete-null-pointer-checks -freorder-blocks -freorder-functions -falign-functions -falign-jumps -falign-loops -falign-labels -ftree-vrp -ftree-pre -finline-functions -funswitch-loops -fgcse-after-reload #OPTFLAGS= # put any compiler flags you want passed here USER_CFLAGS=-m32

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• Is there a way to save MS Word document as HTML w/o the ms proprietary stuff?

  - by sequoia mcdowell

  So normally I wouldn't use this feature ("Save as Web Page") but I have large documents from clients they just want put on their site as HTML, and formatting it all by hand seems like a waste of time. I have tried "save as webpage" in Word 2007, but it produces all sorts of bad stuff. To wit: <b style='mso-bidi-font-weight:normal'> <span style="mso-spacerun: yes"> as well as a large block of XML formatting info: <!--[if gte mso 9]><xml> <o:DocumentProperties> <o:Subject> </o:Subject> <o:Author> </o:Author> <o:Keywords> </o:Keywords> ... As I said, formatting it all by hand seems like a waste of time, but the way MS exports currently just has too much cruft. Is there a way to export MS Word doc as html without all this?

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• Looking to create website that can have custom GUI and database per user

  - by riley3131

  I have developed an MS Access database for a company to track data in regards to production of a certain commodity. It has many many tables, forms, reports, etc. These were all done as the user requested, and resemble the users previously used system, mostly printed worksheets and excel workbooks. This has created a central location for all information and has allowed the company to compare data in a new way. I am now looking to do this for other companies, but would like to switch it to a web application. Here is my question. What is the best way to create unique solutions for individual companies that can have around 100 users each? I would love to create one site that would serve all parties, but that would ruin the customizable nature of what I am developing. I love the ability to create reports, excel sheets, pdf, graphs, etc with access, but am tired of relying on my customers software, servers, etc. I have some experience with WAMP, but I am far better at VBA. I was okay at PHP, and was getting a grasp on JavaScript a few years back. I am also trying to decide whether to go with WAMP or LAMP, if web is the best choice. Also, should I try set up one site for all users that after log-in goes to company specific pages, or individual sites for each company? Should I host or use a service?

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• Please recommend the best tools to build a test plan management tool

  - by fzkl

  I have mostly worked on hardware testing in my professional career and would like to get onto the software development side. I thought working on a practically usable project will help motivate me and help acquire some skills. I have decided to build a test plan management tool for the QA team I work in (We use excel sheets!). The test plan management tool should be browser based and should support this: There would be many test plans, each test plan having test sets, test sets having test cases and test cases having instructions, attachments and Pass/fail status marking and bug info in case of failure. It should also have an export to excel option. I have a visual picture of the tool I am looking to build but I don't have enough experience to figure our where to start. My current programming skills are limited to C and shell programming and I want to pick up python. What tools (programming language, database and anything else?) would you recommend for me to get this done? Also what are the key concepts in the recommended programming language that I should focus on to build a browser based tool like this?

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• Where did I write that code ?

  - by Tarun Arora

  Every been in that situation when you desperately need to find that code you checked into TFS a few days back but just can’t remember what team project, what branch, what solution or what file you checked it into. Well you are not alone… Only if there was a way to efficiently search for files and text with in TFS. It is possible… You need to get your hands on Agent Ransack… This is a stand a lone tool that does not integrate with TFS but gives you the capability to search through text files effortlessly. Agent Ransack searches through files, text or otherwise, fast and efficiently. When searching the contents of files for code, or other text, Agent Ransack displays the text found so you can quickly browse the results without having to separately open each file! Agent Ransack is free for both Personal and Commercial use and can be Download from here.   Set the Look In directory of the Ransack search tool to your TFS Workspace and type the text you would like to scan for, you can limit the search by narrowing down the filter path or the name of the file. Found text is shown with highlighted keywords so you don't need to waste time opening each file looking for the right information.         The regular expression wizard helps you build regular expressions for complex pattern matching searches         You even have the option of searching by modified, created or last accessed date          Export your results to a file for importing into other apps or for sharing with others          Agent Ransack also provides search support for popular Office formats including Office 2007 and OpenOffice Next time you are looking for that illusive line of code whether it is a method declaration, function call, or algorithm that you checked into TFS, use Agent Ransack for a quick search.

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• OpenXML error “file is corrupt and cannot be opened.”

  - by nmgomes

  From time to time I ear some people saying their new web application supports data export to Excel format. So far so good … but they don’t tell the all story … in fact almost all the times what is happening is they are exporting data to a Comma-Separated file or simply exporting GridView rendered HTML to an xls file. Ok … it works but it’s not something I would be proud of. So … yesterday I decided to take a look at the Office Open XML File Formats Specification (Microsoft Office 2007+ format) based on well-known technologies: ZIP and XML. I start by installing Open XML SDK 2.0 for Microsoft Office and playing with some samples. Then I decided to try it on a more complex web application and the “file is corrupt and cannot be opened.” message start happening. Google show us that many people suffer from the same and it seems there are many reasons that can trigger this message. Some are related to the process itself, others with encodings or even styling. Well, none solved my problem and I had to dig … well not that much, I simply change the output file extension to zip and extract the zip content. Then I did the same to the output file from my first sample, compare both zip contents with SourceGear DiffMerge and found that my problem was Culture related. Yes, my complex application sets the Thread.CurrentThread.CurrentCulture  to a non-English culture. For sample purposes I was simply using the ToString method to convert numbers and dates to a string representation but forgot that XML is culture invariant and thus using a decimal separator other than “.” will result in a deserialization problem. I solve the “file is corrupt and cannot be opened.” by using Convert.ToString(object, CultureInfo.InvariantCulture) method instead of the ToString method. Hope this can help someone.

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