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  1. what is best job portal script?
  2. Event Based Scheduling for Direct Query Mode in Power BI
  3. Are IT Startups Changing the IT Market?
  4. Why null==undefined is true in javascript?
  5. How to technically approach and design a web product adhering to objectives?
  6. What is OAuth in Web API?
  7. What is Virtualization?How it works in private cloud?
  8. How to build a team quickly
  9. Locally (to the user) control from outside of their system.
  10. Display results in Prolog
  11. Types of ASM programators to create x86-64 console(dos) without prigrams?
  12. comparison: GitHub and Bitbucket: which offers private repos?
  13. How to get colleagues to follow best practices?
  14. How to modify the code of any software and make it to never ask for username and pass
  15. Microsoft stretch bit is it C or C++ ?
  16. Which Language Is Best for AI and ML- Go or Python?
  17. In your experience, what are the main obstacles to securing software?
  18. Academic survey on software development - Call for participants!
  19. E-commerce Website Platforms: Which is the best choice for beginners?
  20. Plesk or Direct Admin control panel?
  21. Synchronizing Server & Client Caches
  22. calling Crystal report 2013 in powerbuilder
  23. Text Based Game in Bash - HELP WANTED
  24. Intelligent web searching and report compilation
  25. Haskell Parser error.
  26. First work as a programmer
  27. New form of logic. Not theory, have working models. Need help
  28. Teacher Needing Help with worksheet generator
  29. any information about apple enterprise developer account.does any one know it?
  30. Do you have any experience with Research and Development offices abroad?
  31. Can anyone point me to resources to learn about dynamics gp and ax
  32. How do I use an NSImage as material of an SCNGeometry shape correctly?
  33. Help With SAP Business Objects Formula
  34. How to continuously capture a candlestick on an online chart?
  35. SAP ABAP lessons
  36. Facebook Style chat box won't open
  37. How to execute python module from visual foxpro 9
  38. how to convert contents of 3 text files in a folder with one click
  39. Null Zero
  40. Can i attend a quiz on moodle with guest access?
  41. How to resolve the SSL certificate issue in inteliJ
  42. Jitterbit issue setting xsd file as Target of Transformation
  43. To retrive data one form to another form
  44. Good IDE for web development with built-in compilers/debuggers?
  45. How to recover file .doc?
  46. Have you ever worked with Ukrainian developers?
  47. IPSEC tunnel ip address on Alibaba Cloud
  48. Can someone teach me?
  49. Limit score of data compression
  50. What is best custome software development company in Australia
  51. "Error trying to open file" in Word 2007/2010
  52. where can i get SAP Business Database?
  53. Does BitBucket repo owner see when I open repo?
  54. MySQL startup error under Windows
  55. What programming language? Is html5 powerful enough?
  56. I am facing some problems in passing field values into function parameters.
  57. Is the world heading over to mobile?
  58. How to recover corrupted word file?
  59. DH Original Software Company.
  60. How to recover corrupted Word file?
  61. "Error trying to open the file" in Word 2007/2010
  62. how to test a software
  63. Is building a Hadoop cluster on Alibaba Cloud with CM + CDH supported?
  64. Are there any software development companies doing audit of Ethereum smart contracts?
  65. How being af proffesional software developer is?
  66. Good class diagram for remuneration project ?
  67. Hi, please help me about Javascript to css ID or Class of webpage in JSBrowser
  68. Can you recommend a good project management software?
  69. Office 2016
  70. Is this possible?
  71. What languages, tools, frameworks to use to develop really simple time tracker?
  72. How to extract detected object using object's bounding box and display it in sub imag
  73. Data Structure in Matlab Constructor Function
  74. smooks conversion from java to xml, csv, json, delimiter, unedifact
  75. What do you use to share secrets and passwords in your team?
  76. To resign or not in the Bay Area?
  77. What number is the space bar? (I honestly down know which category this falls into.)
  78. Looking for converter
  79. Any typing software for coders?
  80. Issue with adding another marker without the others disappearing
  81. Cocoapods installation problem using the provided guide from google https://developer
  82. How to call functions written in controller on button click in angularjs
  83. Tools for Feature Flighting/Flagging and A/B Testing
  84. Paypal IPN Issue
  85. Outlook Express emails lost after Compress
  86. Cannot authenticate NTAG216 password protected block using winscard libarary
  87. Best tool for keeping track of requirements
  88. best choices for sending email?
  89. how to recover deleted contacts on iPhone 6S Plus
  90. What's the right language for this project?
  91. assembly IDE and compiler
  92. Canít Recover Corrupt Word 2013 Document?
  93. how can I choose my integration approach
  94. Best platform for drag and drop GUI
  95. DOS to Access Conversion---help please
  96. Can excel xll insert images in sheet
  97. Object-Oriented Programming Concepts
  98. i want calculate in micro soft access main form by sub form
  99. How to prevent users from registering twice?
  100. Accessing SQL database, stored in my computer, from other computers using LAN
  101. Is there programmers who still program with ASSEMBLY ??
  102. Infrastructure of IT Project with Application and Web-Backend
  103. swf to apk online converter
  104. Attach CSV volumes from filter driver during system startup
  105. Oracle Apex Dynamic actions in tabular form
  106. some advice on education please
  107. [x86 Assembly] How can I store user-input data to bx register?
  108. Redistribute Installed Configuration to Other Servers
  109. Spy Hunter
  110. how to insert system time in the table using sql query
  111. Converting C# code to JavaScript?
  112. Project idea for software engineering!
  113. Crystal Reports: All Records Not Showing
  114. Can not access 64-bit informix odbc from application
  115. What are the downside of the Go programming language?
  116. Button pause
  117. Software Update
  118. Advice for creating software project proposal
  119. Import data from Access to Sage line 50
  120. How to create a system to determine the exact amount of commission for an employee ac
  121. How to emulate requests or response scenarios in layer based automated testing
  122. Which language is better and easy to develop Syslog file analyzing ?
  123. Scripting Language to Automate Rsync
  124. Other switches to get sample length from "mciSendString"?
  125. Does a Scheme Compiler need a Linker?
  126. C and WinAPI: hwnd question
  127. using makefile
  128. gcc on windows
  129. How to estimate software development cost and charges?
  130. Flume : Loading small text file to hbase
  131. PHP <--> .NET Encryption
  132. How to convert OST files to PST files in Outlook
  133. Transition State Diagram for the automata
  134. Why there are no good software Projects in Odesk, elance etc.
  135. Is any Device driver experts in the forum?
  136. For deploying applications, which language is better? or visual
  137. questions about C and OS's
  138. things confusing me :P
  139. One project . . . . . So much documentation!
  140. I am a beginner and want to start programming where should I start?
  141. Compiling one windows PC, testing on different PC, everytime I copy binary to USB
  142. Google chrome History
  143. How to make the website multilingual
  144. what is concurrent user hit in load testing?
  145. which data base does Quickbooks work on?
  146. convert GTA V model *.xft to *.obj with xdr2obj problem
  147. Which technology to select Java or node.js?
  148. Is it a good idea to start playing with open source projects for beginners?
  149. How to removal any software trial
  150. Build error while building Android-x86 Kitkat
  151. Building Android-X86: Build Errors!
  152. How to add VFP form control data to sql database
  153. what is the solution to support windows application services on the web?
  154. Advice: Designing or adapting an open-source software that will read CTG results
  155. How to make software trial period ?
  156. any tile map editor
  157. Is there a tool for capturing functional landscape?
  158. About the Executables produced by Microsoft C/C++ Compiler
  159. Can epub files communicate with a server?
  160. What is an Internet Marketing Current Trend in 2013?
  161. What is difficult with developing implementation and support activities in the SDLC?
  162. Best way to develop a Financial Analysis program
  163. import excel file to sql 2008 database using vb 6
  164. Image editing Program like Photoshop, GIMP...
  165. Powerbuilder: Change Updatable Columns at Runtime
  166. i need to creat the file wsdl to Invoke the web service
  167. Android game programming
  168. How to engage outsourcing firm for a big project? Any tips & traps?
  169. I need Help for error ORA-02291
  170. getting start with robotic...
  171. What are the best programming languages for financial services?
  172. Diagram for Event Driven Project?
  173. scan the document and send it to database automatically
  174. Adjust picture size in picturelibrary webpart (ootb)
  175. Winsock services in Powerbuilder 12.5
  176. Installation of wordpress on local system
  177. Why when I publish a Visual Studio program and I move it, it will not open?
  178. file marked as key file not getting uninstalled while using installshield
  179. how to distribute created desktop application
  180. How to save add-in on Excel 2010
  181. add oracle connection to crystal report
  182. Water Sanitation detection
  183. Installshield to change app.config dynamically while creating MSI
  184. Learning Photoshop
  185. what are the types of ERP model?
  186. I have a program that grabs a remote PC's registry, what code is it written in?
  187. i am trying to create a simple wizard style thing that uses excel, what should i use
  188. Is it better to start a DB from scratch using C++ or something similar than Filemaker
  189. iPhone Apps Development
  190. How to make a secure connetion to database for Pos (Point Of Sales) Machine
  191. Coldfusion Query
  192. MSBuild - Force Expansion of Wildcards in Transforms
  193. I don't know programming. Is this possible?
  194. How to upgrade Samsung Galaxy 7.7 from HoneyComb to Jellybean
  195. Windows 2003 to windows 2008 migration
  196. Web application not updating datas properly on some systems..?
  197. How to home monitor / automate using pc?
  198. World map showing distribution
  199. Getting a horizontal list in IE7
  200. copy paste problem in data entry software "Raylon Technologies - Work Environment"
  201. how to find new application for ipod cellphones?
  202. Can not load type ...<type>
  203. What's better? Eclipse or Netbeans IDE
  204. Shuffle NSMutableArray
  205. OLE Class name for an MSPaint image file in vijuel foxpro
  206. Image Uplaoded in a windows from are not displaying
  207. Starting an Application on a Remote PC ( XP sp3)
  208. categorize all the program languages according to their syntax style
  209. Cocoa, Objective-c QT "Virtual webcam" component
  210. Trigger Email from Access
  211. Class Design Tips
  212. Crystal Reports and Powerbuilder 11.5 or 12.5
  213. Distribute a program....
  214. Possibility List Calculation
  215. Where to find controls to incorporate into Powerbuilder Applications a reporting ?
  216. Reader for PDF-417 barcode
  217. 2D barcode system on the client side
  218. retrieve signal list of a can frame
  219. Indian language font in termel printer
  220. Domain Registration
  221. Digital Persona FingerScan
  222. VB5 form looses focus
  223. Simplest method of detecting a USB Drive installation
  224. visual interdev6 is not working
  225. Software and/or techniques to keep track of software development.
  226. WebSite Page Rendering
  227. ATTACHMENT handling in webMethods......SOAP Webservices
  228. how to understand an opensource application from DBA point of view ?
  229. 500 - Internal server error
  230. Ftp
  231. Xbox and PC
  232. How Can I Stop A Person Install A Programme File in Window
  233. Sample "hello world" PDF document?
  234. Commission Streamer Software interuptions
  235. Smoothing an image multiple times fast
  236. Repository Issues
  237. Program to create flash cards to sell
  238. I get an error message when using commission software
  239. commission steamer software, an error message occurs in ClientUIWOutlookNAVAPP1 stop
  240. The server failed to respond with a valid HTTP response - need help
  241. a design for MS paint like software.
  242. Is this Java or JavaScript?
  243. Web page Accesskey
  244. MSAccess query barchart color
  245. MSAccess-barchart-colorchange based on xaxis value in vba
  246. About Product Listing in Magento
  247. Class Diagram Question
  248. How to calculate the data in excel
  249. Does Share Point have the ability to be used as a full CMS?
  250. Getting and manipulating data from webcam!
  251. Ajax ? Flex ? or just old school Applets ? Which Technology to use ?
  252. AutoCAD system requirements
  253. network security
  254. How to manage project updates, versioning and cloning?
  255. Binding to Active Directory
  256. How to pass the value from controller to jsp?
  257. How to code for different versions of frameworks/services/etc ....
  258. Deploy software without installing complete software
  259. Reinstall Help and Support
  260. passing data between vc6 and VC++ 2011
  261. Anyone konows good e-commerce software for Magento store site?
  262. How to convert Java Desktop application project into Executable file?
  263. How to load a Image on ImageBox in Silverlight after browsing
  264. printing on two vertically attached pages does not print on the lower page
  265. Generated exe using Borland Builder - how to change "FileVersion" of exe ?
  266. How to do integration between moodle & system using jsp ?
  267. Finding a PB Decompiler software
  268. Looking for information on writing a Point & Click Adventure Engine
  269. Help needed in jcl errors
  270. window-based real-time market data analysis software / interface
  271. Why Access 2010 keeps crashing
  272. Best revenue - shareware, subscription or sponsored search?
  273. what features do you love most and what could be added in a media player?
  274. Problem with SAPI application and 4 core processor
  275. Microsoft Excel 2010 Addin not loading properly
  276. How to bind the same collection of values into all ComboBoxes in a DataGridComboBox?
  277. What is the difference between IDE and SDK?
  278. Software development involving USB devices
  279. VSTO MS Office 2010
  280. looking for an application that will allow me to find specific DNN websites
  281. Software Development Practice
  282. Informix : update syntax using a field name
  283. Making a real OS...?
  284. How to gather requirement from tracking tool??
  285. Looking for form recognition solution
  286. Urgently need OCR software to process invoices
  287. How can delete Internet Explorer?
  288. psion workabout mx
  289. Help with Eiffel program please
  290. How to license a small app so people can use it freely?
  291. how did payroll management systems come into being?
  292. Anyone use a good product for protecting software from piracy?
  293. Advantages of tibco?
  294. Is there an application builder that can be used to build apps on top of Access?
  295. Why are packets being lost when using UDP socket?
  296. DOS shellscript. How to compare and synchronise directories?
  297. What options do I have to build a record keeping solution for a small-business?
  298. Inserting web form fields into database record creation PROBLEM
  299. uml-modelling, inheritance of interface?
  300. recursive hanoi function with nasm
  301. What component is used for displaying in the win 7 calculator?
  302. What is better? UML or DFD for project Defect Tracking System?
  303. How to interface fortran application with C code without getting compiler errors
  304. No symbols have been loaded for this document
  305. Integrate Flex 3 with Google Calendar
  306. Why won't changes made in Designer reflect in Debug mode in VB Xpress 2010?
  307. DOS FIND switches won't work
  308. How to create resource file for security in delphi7?
  309. Sound processing reference
  310. When i am trying to compile wireshark code it is showing error
  311. An interface for mathematical assistant using textual, audio, video input/ output
  312. Telephony & calendar presence aggregation on xmpp client
  313. Crystal report
  314. what language should i use to make an eye mouse?(pointer controlled by eye movement)
  315. How to develop/acquire effective duplicate matching routine?
  316. What are the disadvantages of j2ee comparing to .net?
  317. web Content Blocker
  318. What programming language would best fit my kind of problem?
  319. how we call a procedure inside a function in oracle pl/sql
  320. content based image retrieval
  321. Ubuntu from the terminal to use the resources ?
  322. Undergraduate Computer Science Project Suggestion?
  323. reading from parallel port on matlab.
  324. MS ACCESS FORMS using ORDERBY with [fieldname] in descending order
  325. Is there future for Mainframe with c/c++
  326. Why use Frameworks in Development?
  327. selection formula not working in subreport
  328. i want to know how to make an antivirus software using .net?
  329. how to pass date in sql stored procedure in
  330. how to pass date in stored procedure in
  331. Software Best Practices Training topics needed
  332. How to create the sample database manually in Db2
  333. A question of Fortran 2003
  334. how to split a date field in crystal report if it is 23/08/2010...i want 2 3 0 8 2 0
  335. which is the best for game development
  336. Can use 'for loop' in cursor
  337. by mistake i open .mdf file with winrar now file is corrupt , now wat to do
  338. How do I provide the user a messages that confirms data page was successfully saved
  339. Customized Bank Software?
  340. When tried to work on 'Charts', application terminates.....NET desktop / Vista x64
  341. software VS hardware
  342. MySQL continue handler for 1329 not working.please help..the SP hangs
  343. Optimizing application performance
  344. Which framework RIA is right for my project?
  345. Some fonts/text on my website look abnormal when I open with Firefox.
  346. I have a .msi extension software.Iwant to see its coding but i am unable to open.
  347. What is the basics of writing a GUI Interpreter?
  348. Mail Merge Data Source Connection Error
  349. Personal research assistant agent
  350. Split and insert image in a cell of a cross tab
  351. Strange MemoryLeak Issue
  352. runescape errors
  353. Is there a correlation between capability maturity model and software dev folders?
  354. is there an existing pattern/algorithm to solve my oft occurring softw. requirement?
  355. how to fix delphi dbgrid dropdown list problem
  356. Text boxes populating from combo box
  357. SAP RFC - Numeric character Headache
  358. calling shfileoperation with code injection
  359. Developing W7 software on a XP PC using VS2010
  360. use GridView1_RowDeleting in visual studio 2008 with odbc mySQL
  361. Looping through excel
  362. Design Sales Invoice Form
  363. How do you document Agile software projects?
  364. Any Delphi Pascal developers at
  365. Application to monitor and restart Print Spooler with WMI
  366. How to get list of string for particular condt
  367. Can I create a small folder program to duplicate files in the folder?
  368. How to replace in sql
  369. Visual studios interface menu name.
  370. Access DacEasy database!
  371. Most used programming language on software engineering
  372. not sure how to go about it
  373. What is the difference between Java and JavaScript
  374. What is the difference between C Sharp and C/C++?
  375. What is the best professional font
  376. Can I load images to a disc that allows the owner to print from,but not copy disc
  377. How i could protect my application from process memory editing?
  378. What is the difference between spoofing and masquerading?
  379. DB2 Connect sqlcode -842
  380. How to covert a replica copy of a database into master copy
  381. Requirement security
  382. Programming Style with DirectX and Direct2D
  383. Linq to sql works faster than linq to memory
  384. Adobe Designer 7.0 - Text box flow
  385. What DB or what teqnique would be better?
  386. how to write queries in SQL
  387. Producing a GOOGLE type SEARCH box in access 2007
  388. Missed Product Key Office 2007
  389. Union of Queries Stored in Variables
  390. Why can't I export Access files?
  391. How to connect windows application in Csharp to a web page in ASP.NET in MSVS
  392. how to develop a inventory system and POS using barcode using MySql?
  393. Go back to same page after session expire.
  394. Design pattern for cost calculator app?
  395. Why I have Publish Web Site everytime in local debug?
  396. Does windows 7 supports qtp9.2
  397. unhide/hide controls tab for different users
  398. Is it possible to restrict user to access drives on Citrix MetaFrame?
  399. The ideal pattern
  400. Gui
  401. Haskell Parse Paragraph and em element with Parsec
  402. How can I convert a .csv file to a space delimited .txt file in one step
  403. Application Hosting & Cloud Hosting?
  404. Filter criteria in sharepoint designer missing
  405. Delete specific files using Command Scripting
  406. Convert DB2 Date to Timestamp
  407. IDE / versioning software suggestions?
  408. Temporary table issue on mainframe Db2
  409. Choosing the right SQL program?
  410. DFD vs UML diagrams
  411. Real time integration using pervasive data integrator
  412. Hardware for 50 Million Records
  413. Windows Xp
  414. Static Class or Singleton
  415. rep-1212 object 'body' is not fully enclosed by its enclosing object
  416. 2 Sticks of RAM doens't work on my computer.
  417. DOS Batch File To Delete 5 Days Older files in folder and its subfolders.
  418. Designing a kernel
  419. why should i use wpf
  420. Retrieve data from database using java beans in jsp
  421. db2 question on a select statement
  422. Alternate site over ssl
  423. Extract text from a string?
  424. I linked outlook address book to access but do not know how to get the email address
  425. flash cs3 gaming help
  426. class and sequence diagram for RFID based student attendence system
  427. webmultiprepostrec.dll missing
  428. Java to C# source code conversion using antlr
  430. Portable GUI compilers?
  431. text box size bigger by correcting from form view
  432. Create New Row after filling a row of TEXT OBJECT
  433. How to hide fields on MS Access split forms
  434. ACCESS Forms : Redisplay fields after selection from a combi- dropdown
  435. Keep log records
  436. how to use open source library - (PJSIP)
  437. How can I know whether Firefox has loaded a web page completelly
  438. Documentation part of the ERP for manufacturing industry
  439. Browsing production website while working development
  440. Difference between DROP PACKAGE and FREE PACKAGE in DB2 UDB
  441. How to find com port for bluetooth PDA?
  442. Formal concept Analysis and inheritance overuse
  443. text to image downloader?
  444. requirement elicition for mobile appliction
  445. Where settings are stored in windowx XP
  446. problem with MS Access
  447. I have a test in powerpoint with hyperlinks and I want to tally the scores produced
  448. regarding jsp web appliaction
  449. help
  450. Microsoft Access check boxes
  451. How to set read protection for USB Drive
  452. Question for SAP Software (pls, help!...)
  453. MS Access - How to allow a report to be exported to excel
  454. Core Styles
  455. Concat integer value with string in vc++
  456. Problem
  457. Some help with contact form please
  458. diff between version and fullinstallver in mdac
  459. Duplicate Command in Microsoft Access
  460. smart card providers
  461. Class Design
  462. Configure Sql Connection String
  463. Oddity in2TB drive
  464. Crystal Report Formate
  465. Access 2007 Reports - How to suppress printing a page without details
  466. Sql0104n error
  467. Refreshing the DLL cache in my UI solution
  468. How to install dotnet framework in windows 2003 server
  469. MS Access 2003
  470. Windows GUI app for GIT?
  471. Qyestion about defining a CLOB 1M field
  472. subversion diff and merge two sepearte respositories
  473. SDD for sharepoint portal
  474. error while installing postgresql 8.4
  475. how to restore Flash Drive Removable Media Bit
  476. Making changes after delievering .exe
  477. SQL database
  478. Application for serial data capture.
  479. What programming should i learn first? Java or C#
  480. Two teams working on a single project with a shared application base
  481. Creating double column document, non-newsletter type
  482. how to draw use case diagrams and some available softwares for doing the same.
  483. how to get exported function name(exported by ordinal from a dll or in portable-execu
  484. Association Problem
  485. How do you write virus protection programs?
  486. what is the eligibility to do MCA?
  487. Say the Time
  488. Upgrade ram on old compaq d315?
  489. ASP.NET - Final Year Student Project Dilema ?
  490. social netwroking website - database design - online users?
  491. File in Use by another user
  492. export-graphic-excel-spreadsheets
  493. Command line Argument in exe
  494. What is the best SVN setup for a web development project?
  495. how can i display my software shortcut icon in the taskbar of win xp?
  496. Projects, Local settings and Global settings
  497. Software Development Services
  498. Parallel approach & Pilot Approach
  499. what is software development? how to develop the software ?
  500. How to decompiler dll and exe to
  501. SVN + Trac Integration
  502. I need to know what I need
  503. How to copy and run in network through cmd
  504. communication flex3 and java service
  505. Converting rows into columns using SQL Server 2008
  506. Can't open a Word 2003 file in Word 2007
  507. As a small software compnay (one man), Can I get sample quotes to send to clients?
  508. Parallel to Serial/USB converter
  509. How to find a business partner for software project
  510. How to check if oracle stored procedure already running
  511. Drawbacks in existing music sites......
  512. .Net or PHP for my web based software?
  513. Help choosing PHP or .Net
  514. Design Issue
  515. How to automate selling on Ebay
  516. My pascal code wont compile
  517. Software development Methodology
  518. Regular expression to delete tags only containing whitespace
  519. Security Best Practice on failed login attempts
  520. Viewing called COM methods - Debugging in a way...
  521. Usb dongle software lock
  522. ibm wcs - how can I inovke web service from external system ?
  523. Read text from a webpage
  524. Copy Paste in the textbox of a website of different domain
  525. Redistributable Realy OpenSource programs. What you think about this?
  526. Data Entry Software
  527. multiple db connections vs. centralized/ redundant db
  528. Auto Executable for PDF file
  529. 3D Educational MMO's
  530. How to get started with web server implementation
  531. I need help with contact form
  532. I need help with contact form
  533. how to update routing table
  534. Reference material.
  535. use mono to develop "metallic series crystal caze" for iphone 3G/3GS and MacBook
  536. Eclipse vs MyEclipse
  537. Website Development
  538. how can i combaind this 2 stetments in SQL vb 6.0 data enveroment
  539. Software Development Outsourcing
  540. How to use SCardTransmit to Write user data into Smart Card?
  541. How do i write data to a smart card in C?
  542. Program for keeping your code (snippets) organized
  543. How do you remember it all?
  544. What is a Legacy Framework?
  545. reliable way to get windows version. data please?
  546. Is there any technology better than AJAX?
  547. integrated system dashboard - Python/Django? OOo Base? Other?
  548. identify com ports w/ batch
  549. Batch Programming Date
  550. web service composition simulator