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  • Is sticking to one language a good practice?

    - by Ans
    I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language when looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match looking for the best tool regardless of what language it's written in (e.g. OpenNLP, ParsCit, poppler, CFR++, etc.) and warp my code around them?

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  • Visual Studio 2010, Entity Framework, and Oracle

    - by Tobias Gunn
    While I was working on a SilverLight 4 demo I found out that Entity Framework is not supported directly through the .NET provider or ODP tools. In order to make them work you need to either write a wrapper of your own (wouldn't chance it) or else use a provider like DataDirect or Quest's upcoming tool. So far, I've been very happy with the DataDirect tool (found here http://www.datadirect.com/products/net/index.ssp). As I get a little farther along I'll post more on SL4, RIA, and EF.

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  • Google I/O 2010 - GWT testing best practices

    Google I/O 2010 - GWT testing best practices Google I/O 2010 - GWT testing best practices GWT 301 Daniel Danilatos GWT has a lot of little-publicized infrastructure that can help you build apps The Right Way: test-driven development, code coverage, comprehensive unit tests, and integration testing using Selenium or WebDriver. This session will survey GWT's testing infrastructure, describe some best practices we've developed at Google, and help you avoid common pitfalls. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 14 1 ratings Time: 59:34 More in Science & Technology

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  • New release of &quot;OLAP PivotTable Extensions&quot;

    - by Luca Zavarella
    For those who are not familiar with this add-in, the OLAP PivotTable Extensions add features of interest to Excel 2007 or 2010 PivotTables pointing to an OLAP cube in Analysis Services. One of these features I like very much, is to know the MDX query code associated with the pivot used at that time in Excel: You can find all the details here: http://olappivottableextend.codeplex.com/ It was recently released a new version of the add-in (version 0.7.4), which does not introduce any new features, but fixes a significant bug: Release 0.7.4 now properly handles languages but introduces no new features. International users who run a different Windows language than their Excel UI language may be receiving an error message when they double click a cell and perform drillthrough which reads: "XML for Analysis parser: The LocaleIdentifier property is not overwritable and cannot be assigned a new value". This error was caused by OLAP PivotTable Extensions in some situations, but release 0.7.4 fixes this problem. Enjoy!

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  • TDD vs. Productivity

    - by Nairou
    In my current project (a game, in C++), I decided that I would use Test Driven Development 100% during development. In terms of code quality, this has been great. My code has never been so well designed or so bug-free. I don't cringe when viewing code I wrote a year ago at the start of the project, and I have gained a much better sense for how to structure things, not only to be more easily testable, but to be simpler to implement and use. However... it has been a year since I started the project. Granted, I can only work on it in my spare time, but TDD is still slowing me down considerably compared to what I'm used to. I read that the slower development speed gets better over time, and I definitely do think up tests a lot more easily than I used to, but I've been at it for a year now and I'm still working at a snail's pace. Each time I think about the next step that needs work, I have to stop every time and think about how I would write a test for it, to allow me to write the actual code. I'll sometimes get stuck for hours, knowing exactly what code I want to write, but not knowing how to break it down finely enough to fully cover it with tests. Other times, I'll quickly think up a dozen tests, and spend an hour writing tests to cover a tiny piece of real code that would have otherwise taken a few minutes to write. Or, after finishing the 50th test to cover a particular entity in the game and all aspects of it's creation and usage, I look at my to-do list and see the next entity to be coded, and cringe in horror at the thought of writing another 50 similar tests to get it implemented. It's gotten to the point that, looking over the progress of the last year, I'm considering abandoning TDD for the sake of "getting the damn project finished". However, giving up the code quality that came with it is not something I'm looking forward to. I'm afraid that if I stop writing tests, then I'll slip out of the habit of making the code so modular and testable. Am I perhaps doing something wrong to still be so slow at this? Are there alternatives that speed up productivity without completely losing the benefits? TAD? Less test coverage? How do other people survive TDD without killing all productivity and motivation?

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  • What non-programming tools do programmers use?

    - by user828584
    I'm reading code complete with the intention of learning how to better structure my code, but I'm also learning a lot about how many aspects of programming something there are that aren't just writing the code. The book talks a lot about problem definition, determining the requirements, defining the structure, designing the code, etc. What tools are used for these non-writing steps of programming? Is there software that will help me design and plan out what I'm going to write before I do?

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  • Which language and platform features really boosted your coding speed?

    - by Serge
    The question is about delivering working code faster without any regard for design, quality, maintainability, etc. Here is the list of things that help me to write and read code faster: Language: static typing, support for object-oriented and functional programming styles, embedded documentation, short compile-debug-fix cycle or REPL, automatic memory management Platform: "batteries" included (text, regex, IO, threading, networking), thriving community, tons of open-source libs Tools: IDE, visual debugger, code-completion, code navigation, refactoring

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  • App Engine Hangout - chat with an App Engine Software Engineer in Test

    App Engine Hangout - chat with an App Engine Software Engineer in Test We'll be chatting with Robert Schuppenies, who is an App Engine Software Engineer in Test. He'll describe a bit about what he does, and talk about/demo some App Engine test frameworks, like the testbed module, code.google.com and code.google.com From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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  • Microsoft StyleCop is now Open Source

    - by Scott Dorman
    I have previously talked about Microsoft StyleCop. For those that might not know about it, StyleCop is a source analysis tool (different from the static analysis that FxCop performs) that analyzes the source code directly. As a result, it focuses on more design (or style) issues such as layout, readability and documentation. In an interesting move (and one that I am happy to see), Microsoft has decided to make StyleCop an open source project (under the MS-PL license) available on CodePlex. (The project site isn’t up  yet, but should be in the next few weeks.) This will give the development community the opportunity to help contribute to the project, expanding support to other languages (currently it only supports C#), adding features, and fixing bugs. Shortly after the CodePlex site is up, StyleCop 4.4 will be released which includes support for C# 4.0 as well as a large number of bug fixes and other improvements. Technorati Tags: Code Style and Standard,StyleCop

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  • [GEEK SCHOOL] Network Security 7: Using the Action Center for Extra Security and Maintenance

    - by Ciprian Rusen
    In this lesson we will talk about another lesser-known security tool in Windows – the “Action Center”. This tool that has an impact on both how secure your system is and how well it is running from a maintenance perspective. The Action Center first made its appearance all the way back in Windows XP as the “Windows Security Center” and was such through Vista until being renamed in Windows 7.Click Here to Continue Reading

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  • Ubuntu LiveCD/USB image that boots directly to low graphics desktop

    - by user14146
    I use Ubuntu as a diagnostic tool sometimes, and it would be great to get a modification that lets you boot directly to the LiveCD desktop, preferably with the special effects dialed down. Is there such a tool? Unetbootin doesn't seem to let you do this, and Remastersys could probably do this, but I'd have to dig into the code quite a bit and figure out what to remove, which I can do, but I figured someone might have already done this and would save me the trouble.

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  • TDD vs. Productivity

    - by Nairou
    In my current project (a game, in C++), I decided that I would use Test Driven Development 100% during development. In terms of code quality, this has been great. My code has never been so well designed or so bug-free. I don't cringe when viewing code I wrote a year ago at the start of the project, and I have gained a much better sense for how to structure things, not only to be more easily testable, but to be simpler to implement and use. However... it has been a year since I started the project. Granted, I can only work on it in my spare time, but TDD is still slowing me down considerably compared to what I'm used to. I read that the slower development speed gets better over time, and I definitely do think up tests a lot more easily than I used to, but I've been at it for a year now and I'm still working at a snail's pace. Each time I think about the next step that needs work, I have to stop every time and think about how I would write a test for it, to allow me to write the actual code. I'll sometimes get stuck for hours, knowing exactly what code I want to write, but not knowing how to break it down finely enough to fully cover it with tests. Other times, I'll quickly think up a dozen tests, and spend an hour writing tests to cover a tiny piece of real code that would have otherwise taken a few minutes to write. Or, after finishing the 50th test to cover a particular entity in the game and all aspects of it's creation and usage, I look at my to-do list and see the next entity to be coded, and cringe in horror at the thought of writing another 50 similar tests to get it implemented. It's gotten to the point that, looking over the progress of the last year, I'm considering abandoning TDD for the sake of "getting the damn project finished". However, giving up the code quality that came with it is not something I'm looking forward to. I'm afraid that if I stop writing tests, then I'll slip out of the habit of making the code so modular and testable. Am I perhaps doing something wrong to still be so slow at this? Are there alternatives that speed up productivity without completely losing the benefits? TAD? Less test coverage? How do other people survive TDD without killing all productivity and motivation?

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  • First Post

    - by GeekAgilistMercenary
    This is the beginning of a new blog, which is primarily going to be code bits and the like.  My idea behind this blog is to increase my breadth of blogging by providing a code centric blog space.  Some of these posts will be cross-posts, some of them will be code specific collations of blogs from all the other various places I post. Basically, this is my code blog repository.  Thanks for reading.

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  • Oracle????????????????????????~????????????????????

    - by Yusuke.Yamamoto
    RDBMS ???????·????????????????????????????????????????????????????????????????????????? ????????Oracle ?????????????????????????????????? Oracle Database ???????????????????????????????? ????????????????????? ????Oracle???????????????????????????????????????????????????????????????????????????? ?????????????? Oracle Database ???????????????????????? ??????????????????????????????????2????????????? 1. ??????(Query Transformation) Query Transformation ???????SQL??????????????????SQL????????????????????? Query Transformation ???Predicate Transformation ? Common Sub-expression Elimination (CSE), Order-BY Elimination (OBYE), Outer Join Elimination (OJE), Simple View Meging (SVM), Predicate Move around (PM), Complex View Merging (CVM), Sub-query Unnesting (SU), Join Predicate Push Down (JPPD) ???? OR Expansion, Star Transformation (ST) ????????????? ···???????????????????????????????????????????????????? Predicate Transformation ?????? Transitive Predicate Generation ????????????? ?????????????SQL???deptno ? 10 ????????????????????????????? select e.ename, d.loc from emp e, dept d where e.deptno=d.deptno and e.deptno=10; ???????????????emp ??? deptno=10 ??????????????dept ??? d.deptno=10 ??????????????????? emp ?? deptno=10 ????????????????????emp ?? deptno=10 ??????10???????10? dept ????????????dept ??20???????????????????????10?*20?=200?????(??????????·?????????)? ??SQL?? Transitive Predicate Generation ??????SQL????????????????? select e.ename, d.location from emp e, dept d where e.deptno=d.deptno and e.deptno=10 and d.deptno=10; ^^^^^^^^^^^ ??????dept ?????? deptno=10 ??????????????????????????10?*1?=10(dept.deptno ?unique????)?1/20????????????????1/20????????????????10??????????30???????????????Query Transformation ???????????????????????????? ?:??????????? dept ?? 1-row table ??????dept ?? driving ???(Outer Table)??? emp ?? probe ???(Inner Table)????????????1?*10?=10 ????????????????????????????????????????????????????????1/20????????????? ?????? Query Transformation ??????SQL????????????????????????????????? Transformation ??????????????????????????????????? 2. ????·????(Access Path Analysis) Access Path Analysis ??Query Transformation ??SQL????????????(Access Path)?????????(Join Method)?????(Join Order)?????????? ??????????????????(FTS)?ROWID?????????????????????????????·?????(Nested Loop Join)???????(Hash Join)????/?????(Sort Merge Join)????????????????????????????????????????????????????????????????????????? Oracle Database ????????? Query Transformation ???? Logical Optimizer?Access Path Analysis ???? Physical Optimizer ????????? ??????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????? Oracle Database ????????????????????? "Oracle ????????" ?????????? Sustaining Engineering?? ?(??? ???) ???????????????? Sustaining Engineering ????????????????????????Oracle Database ???????????????????????? ?????????????????????Ruby????????????????????????? Oracle????????????????????????! Oracle????????????? Oracle????????????????????????

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  • Software development life cycle in the industry

    - by jiewmeng
    I am taking a module called "Requirements Analysis & Design" in a local university. Common module, I'd say (on software development life cycle (SDLC) and UML). But there is a lot of things I wonder if they are actually (strictly) practiced in the industry. For example, will a domain class diagram, an not anything extra (from design class), be strictly the output from Analysis or Discovery phase? I'm sure many times you will think a bit about the technical implementation too? Else you might end up with a design class diagram later that is very different from the original domain class diagram? I also find it hard to remember what diagrams are from Initiation, Discovery, Design etc etc. Plus these phases vary from SDLC to SDLC, I believe? So I usually will create a diagram when I think will be useful. Is it the wrong way?

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  • Need help with this question [closed]

    - by Jaime
    Occasionally, multiplying the sizes of nested loops can give an overestimate for the Big-Oh running time. This result happens when an innermost loop is infrequently executed. Give the Big-O analysis of the running time. Implement the following code and run for several values of N, and compare your analysis with the actual running times. for(int i = 1; i <= n; i++) for(int j = 1; j<=i * i; j++) if(j%i == 0) for(int k = 0; k < j; k++) sum++;

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  • TDD - Red-Light-Green_Light:: A critical view

    - by Renso
    Subject: The concept of red-light-green-light for TDD/BDD style testing has been around since the dawn of time (well almost). Having written thousands of tests using this approach I find myself questioning the validity of the principle The issue: False positive or a valid test strategy that can be trusted? A critical view: I agree that the red-green-light concept has some validity, but who has ever written 2000 tests for a system that goes through a ton of chnages due to the organic nature fo the application and does not have to change, delete or restructure their existing tests? If you asnwer to the latter question is" "Yes I had a situation(s) where I had to refactor my code and it caused me to have to rewrite/change/delete my existing tests", read on, else press CTRL+ALT+Del :-) Once a test has been written, failed the test (red light), and then you comlpete your code and now get the green light for the last test, the test for that functionality is now in green light mode. It can never return to red light again as long as the test exists, even if the test itself is not changed, and only the code it tests is changed to fail the test. Why you ask? because the reason for the initial red-light when you created the test is not guaranteed to have triggered the initial red-light result for the same reasons it is now failing after a code change has been made. Furthermore, when the same test is changed to compile correctly in case of a compile-breaking code change, the green-light once again has been invalidated. Why? Because there is no guarantee that the test code fix is in the same green-light state as it was when it first ran successfully. To make matters worse, if you fix a compile-breaking test without going through the red-light-green-light test process, your test fix is essentially useless and very dangerous as it now provides you with a false-positive at best. Thinking your code has passed all tests and that it works correctly is far worse than not having any tests at all, well at least for that part of the system that the test-code represents. What to do? My recommendation is to delete the tests affected, and re-create them from scratch. I have to agree. Hard to do and justify if it has a significant impact on project deadlines. What do you think?

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  • GuestPost: Announcing gmStudio V9.85 for VB6/ASP/COM re-engineering

    - by Eric Nelson
    Mark Juras of GreatMigrations.com kindly sent me an article on gmStudio which I have posted on my old VB focused goto100 site. gmStudio is a programmable VB6/ASP/COM re-engineering tool that enables an agile tool-assisted rewrite methodology and helps teams dramatically lower the total cost, risk, and disruption of ambitious migration projects without sacrificing quality, control, or time to market. You can find the rest of the article over on goto100. Figure 1: the gmStudio Main Form

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  • Installing DotNetNuke using WebMatrix

    - by Chris Hammond
    Last week Microsoft released a new tool called WebMatrix, a tool for developing web applications and easily installing existing web applications. You can learn more about WebMatrix by visiting http://www.microsoft.com/web/webmatrix/ . What does this have to do with DotNetNuke ? Well WebMatrix makes installing DotNetNuke very easy! Even easier than before when just using the Web Platform Installer also from Microsoft. To be honest, using the Web Platform Installer alone unfortunately doesn’t work...(read more)

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  • SQL Search- The Search and the Sequel

    It started out as an experiment to try to explore different ways of creating a software tool that people would want. It ended up as a tool that Red Gate is giving away to the SQL Server community in return for the contribution to the project of so many of Red Gate's friends within the community. But was it easy to do? Bob Cramblitt and Richard Collins went to find out by talking to Tanya Joseph, who managed the project that turned the concept into a product.

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  • Google I/O 2012 - Big Data: Turning Your Data Problem Into a Competitive Advantage

    Google I/O 2012 - Big Data: Turning Your Data Problem Into a Competitive Advantage Ju-kay Kwek, Navneet Joneja Can businesses get practical value from web-scale data without building proprietary web-scale infrastructure? This session will explore how new Google data services can be used to solve key data storage, transformation and analysis challenges. We will look at concrete case studies demonstrating how real life businesses have successfully used these solutions to turn data into a competitive business asset. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1 0 ratings Time: 52:39 More in Science & Technology

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  • Mutation Testing

    You may have a twinge of doubt when your code passes all its unit tests. They might say that the code is OK, but if the code is definitely incorrect, will the unit tests fail? Mutation Testing is a relatively simple, but ingenious, way of checking that your tests will spot the fact that your code is malfunctioning. It is definitely something that every developer should be aware of.

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  • Forms&Reports upgrade characterset issues

    - by Lukasz Romaszewski
    Hello,This quick post is based on my findings during recent IMC workshops, especially those related to upgrading the Forms 6i/9i/10g applications to Forms 11g platform. The upgrade process itself is pretty straightforward and it basically requires recompiling your Forms application with a latest version of frmcmp tool. For some cases though, especially when you migrate from Forms 6i which is a client-server architecture to a 3-tier web solution (Forms 11g), you need to rewrite some parts of your code to make it run on new platform. The things you need to change range from reimplementing (using webutil library) typical client-site functionality like local IO operation, access to WinAPI, invoking DLLs etc. to changing deprecated or obsolete APIs like RUN_PRODUCT to RUN_REPORT_OBJECT. To automate those changes Oracle provides complete Java API  which allows you to manipulate the code and structure of you modules (JDAPI). To make it even easier we can use Forms Migration Assistant tool (written in Java using JDAPI) which is able to replace all occurrences of old API entries with their 11g equivalents or warn you when the replacement is not possible. You can also add your own replacement definitions in the search_replace.properties file. But you need to be aware of some issues that can be encountered using this tool. First of all if you are using some hard-coded text inside your triggers you may notice that after processing them by the Migration Assistant tool the national characters may be lost. This is due to the fact that you need to explicitly tell Java application (which MA really is) what kind of characterset it should use to read those text properly. In order to do that just add to a script calling MA the following line:  export JAVA_TOOL_OPTIONS=-Dfile.encoding=<JAVA_ISO_ENCODING>  when the particular encoding must match the NLS_LANG in your Forms Builder environment (for example for Polish characterset you need to use ISO-8859-2).Second issue you can encounter related to national charactersets is lack of national symbols in you reports after migration. This can be solved by adding appropriate NLS_LANG entry in your reports environment. Sometimes instead of particular characterset you see "Greek characters" in your reports. This is just default font used by reports engine instead of the one defined in your report. To solve it you must copy fonts definitions from your old environment (e.g. Forms 10g installation) to appropriate directory in new installation (usually AFM folder). For more information about this and other issues please refer to https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&doctype=BULLETIN&id=1297012.1at My Oracle Support site. That's all for today, stay tuned for more posts on this topic! Lukasz

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  • Website cookie scanner

    - by user359650
    I'm in charge of a relatively big corporate website (circa 95K pages) and need to perform a cookie audit. I can see cookies issued on a per-page basis with Chrome or Firefox console, but given the amount of pages I need a tool to automate the process. I tried to google for website cookie scanner but my search was unfruitful and found: either online tools which only scan the home page paid services (ex1, ex2) Does any of you know about a tool to scan an entire website and generate a report showing which cookies are being used and which page set them?

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