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• IIS - Forwarding requests to a folder to another port

  - by user1231958

  Context I currently installed Glassfish 3 in a server that currently holds ASP and PHP inside Internet Information Server 7 so we can start moving to a new system architecture (the information system is being remade). Obviously, Glassfish uses another port and without too much configuration (all I had to do is to install it) it worked. If I write www.domain.com:8080, the person will be redirected to the Glassfish server. Issue Obviously I don't want the person to write the port! I also believe it might also hold some security issues. Requirement I need the server to take an address of the form www.domain.com/gf or new.domain.com or something alike, and when it receives such a request, "redirect" (masking the URL) the user to the Glassfish website (www.domain.com:8080). Thank you beforehand!

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• Skype Optimization - Port Forwarding on a Router

  - by user19185

  I was watching this Video which talked about using port-forwarding to optimize your LAN for skype calls. According to the video, as explained in the first couple of minutes in the video, the reason you would need optimization is because if the person your call has a firewall setup, your connection has to go-through a third-party computer to connect to them. I believe I stated this correct (maybe not). None the less, my question is this: do both parties on the call need to enable port forwarding to optimize skype, or just one party (person)?

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• Office communicator voice chat

  - by Gareth Simpson

  My company recently mandated a switch from Skype to Office Communicator for IM / voice chat. While Skype was never the be all and end all of VOIP, it was at least usable. With Communicator, if one person is talking, everyone else is basically silent (or as good as) so a normal conversation is impossible. No one can interrupt anyone else, if two people start talking at once it's a crap shoot who gets to be heard and often the person who is inaudible doesn't know it. There do not seem to be any client side settings to fix this. Is there anything that can be done server side or is it just rubbish?

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• Disable Memory Modules In BIOS for Testing Purposes (Optimize Nehalem/Gulftown Memory Performance)

  - by Bob

  I recently acquired an HP Z800 with two Intel Xeon X5650 (Gulftown) 6 core processors. The person that configured the system chose 16GB (8 x 2GB DDR3-1333). I'm assuming this person was unaware these processors have 3 memory channels and to optimize memory performance one should choose memory in multiples of three. Based on this information, I have a question: By entering the BIOS, can I disable the bank on each processor that has the single memory module? If so, will this have any adverse effects or behave differently than physically removing the modules? I ask due to the fact that I prefer to store the extra memory in the system if it truly behaves as if the memory is not even there. Also, I see this as an opportunity to test 12GB vs. 16GB to see if there is a noticeable difference. Note: According to http://www.delltechcenter.com/page/04-08-2009+-+Nehalem+and+Memory+Configurations?t=anon, the current configuration reduces the overall data transfer speed to 1066 and in addition, the memory bandwidth goes down by about 23%.

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• Secure hash and salt for PHP passwords

  - by luiscubal

  It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection. Is “double hashing” a password less secure than just hashing it once? Suggests that hashing multiple times may be a good idea. How to implement password protection for individual files? Suggests using salt. I'm using PHP. I want a safe and fast password encryption system. Hashing a password a million times may be safer, but also slower. How to achieve a good balance between speed and safety? Also, I'd prefer the result to have a constant number of characters. The hashing mechanism must be available in PHP It must be safe It can use salt (in this case, are all salts equally good? Is there any way to generate good salts?) Also, should I store two fields in the database(one using MD5 and another one using SHA, for example)? Would it make it safer or unsafer? In case I wasn't clear enough, I want to know which hashing function(s) to use and how to pick a good salt in order to have a safe and fast password protection mechanism. EDIT: The website shouldn't contain anything too sensitive, but still I want it to be secure. EDIT2: Thank you all for your replies, I'm using hash("sha256",$salt.":".$password.":".$id) Questions that didn't help: What's the difference between SHA and MD5 in PHP Simple Password Encryption Secure methods of storing keys, passwords for asp.net How would you implement salted passwords in Tomcat 5.5

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• Oracle data warehouse design - fact table acting as a dimension?

  - by Elizabeth

  THANKS: Both answers here are very helpful, but I could only pick one. I really appreciate the advice! our datawarehouse will be used more for workflow reports than traditional analytical reports. Our users care about "current picture" far more than history. (though history matters, too.) We are a government entity that does not have costs or related calculations. Mostly just counts of people within given locations and with related history. We are using Oracle, and I have found distinct advantage in using the star join whenever possible and would like to rearchitect everything to as closely resemble the star schema as is reasonable for our business uses. Speed in this DW is vital, and a number of tests have already proven the star schema approach to me. Our "person" table is key - it contains over 4 million records and will be the most frequently used source in queries. It can be seen at the center of a star with multiple dimensions (like age, gender, affiliation, location, etc.). It is a very LONG table, particularly when I join it to the address and contact information. However, it is more like a dimension table when we start looking at history. For example, there are two different history tables that have a person key pointing to the person table. One has over 20 million records and the other has almost 50 million and grows daily. Is this table a fact table or a dimension table? Can one work as both? If so, is that going to be a big performance problem? Is it common to query more off of a dimension than a fact? What happens if a DIFFERENT fact table that uses the person table as a dimension is actually only 60,000 records (much smaller.). I think my problem is that our data and use of it does not fit with the commonly use examples of star schemas. CLARIFICATION: Some good thoughts have been added below, but perhaps I left too much out to really explain well. Here's some more info: We handle a voter database. We don't have any measures except voter counts by various groups: voter counts by party, by age, by location; voter counts by ballot type and election, by ballot status and election, etc. We do have a "voting history" log as well as an activity audit log (change of address, party, etc.). We have information on which voters are election workers and all that related information. I figure I'll get to the peripheral stuff later. For now I'm focusing on our two major "business processes": voter registration(which IS a voter.) and election turnout. In the first, voter is a fact. In the second, voter is a dimension, along with party, election, and type of ballot. (and in case anyone is worried - no we don't know HOW people vote. Just that they do. LOL ) I hope that clarifies things a bit.

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• How do I get started with NodeJS

  - by Joneph O.

  Is there any good resources to get started with Node.JS? Any good tutorial, blog or books? Of course, I have visited http://nodejs.org/, but I didn't think the documentation they have is a good starting point. Thanks

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• What's wrong with this regex (VBScript/Javascript flavor)

  - by OtherMichael

  I'm trying to run a regular expression in VBA code that uses Microsoft VBScript Regular Expressions 5.5 (should be the same as JavaScript regex) regex: ^[0-9A-Z]?[0-9A-Z]{3}[A-Z]?([0-9A-Z]{6})-?([0-9])?$ input: X123A1234567 match: 123456 the six characters I'm interested in give a good match of 123456, ignoring the last (check) digit. Perfect. (The check digit is captured, but it's not a major concern to me). But when BOTH the optional portions are gone (they are optional) the match grabs the last digit GOOD input: 123A1234567 match: 123456 Leave in the optional middle alpha, take out the optional leading alpha, and we still get the good match of 123456 GOOD input: X1231234567 match: 123456 Leave in the optional leading alpha, take out the middle optional alpha, and we still get a good match of 123456 BAD input: 1231234567 match: 234567 Take out BOTH optional alphas, and we get a bad match of 234567 Have a looksee @ the regex testers on http://www.regular-expressions.info/javascriptexample.html or http://www.regular-expressions.info/vbscriptexample.html What am I missing, here? How can I get the regex to ignore the last digit when both optional alphas are missing? The regex is used to feed a lookup system, so that no matter what format the input data, we can match to a complete value.

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• Open Source SOA Stack

  - by Padmarag

  I'd be evaluating Open Source SOA solutions. What are the options? I'm looking for something that provides (possibly) complete SOA stack. I'd like below features - BPEL BPM ESB SOA Governance Good tooling Right now Glassfish ESB looks like a good option. Are there other good Stacks?

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• In database table design, how does "Virtual Goods" affect table design -- should we create an instan

  - by Jian Lin

  When we design a database table for a DVD rental company, we actually have a movie, which is an abstract idea, and a physical DVD, so for each rental, we have a many-to-many table with fields such as: TransactionID UserID DvdID RentedDate RentalDuration AmountPaid but what about with virtual goods? For example, if we let a user rent a movie online for 3 days, we don't actually have a DVD, so we may have a table: TransactionID UserID MovieID RentedDate RentalDuration AmountPaid should we create a record for each instance of "virtual good"? For example, what if this virtual good (the movie) can be authorized to be watched on 3 devices (with 3 device IDs), then should we then create a virtual good record in the VirtualGoods table, each with a VirtualGoodID and then another table that has VirtualGoodID DeviceID to match up the movie with the DeviceIDs? We can also just use the TransactionID as the VirtualGoodID. Are there circumstances where we may want to create a record to record this "virtual good" in a VirtualGoods table?

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• mysql and linq support

  - by darko petreski

  Hi All, I have read in many forums that there is no good linq for mysql (free) but his forums are 2 years old. In the meantime is there any good free linq for mysql ? Hog good is for professional use? Regards

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• Two virtual computers using one laptop?

  - by JP19

  Hi, I have a laptop and an external display. I am able to use the external display either as extended desktop OR duplicate desktop. I also use a separate keyboard and mouse. So effectively, the laptop acts just as a box without display. I want to know is it possible to use the laptop as 2 virtual PCs. (with separate control). I.E., one person uses the laptop as a laptop, and other person can simultaneously connect a keyboard and mouse and the external display and effectively get a second PC. OS I am using - windows (thought solution for other OSes are welcome). Laptop is a Dell Precision M6300. thanks JP

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• Coding guidelines + Best Practices?

  - by Chathuranga Chandrasekara

  I couldn't find any question that directly applies to my query so I am posting this as a new question. If there is any existing discussion that may help me, please point it out and close the question. Question: I am going to do a presentation on C# coding guidelines but it is not supposed to limit to coding standards. So I have a rough idea but I think I need to address good programing practices. So the contents will be something like this. Basic coding standards - Casing, Formatting etc. Good practices - Usage of Hashset over other data structures, String vs String Builder, String's immutability and using them effectively etc Really I would like to add more good practices (Especially to improve the performance.) So like to hear some more good practices to be used with C#. Any suggestions??? (No need of large descriptions :) Just the idea is sufficient.)

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• tokyo cabinet & tyrant tutorial

  - by user354482

  Can somebody refer a good tutorial on tokyo cabinet and tokyo tyrant

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• Coding guidelines + Best Practises?

  - by Chathuranga Chandrasekara

  I couldn't find any question that directly applies to my query so I am posting this as a new question. If there is any existing discussion that may help me, please point it out and close the question. Question: I am going to do a presentation on C# coding guidelines but it is not supposed to limit to coding standards. So I have a rough idea but I think I need to address good programing practices. So the contents will be something like this. Basic coding standards - Casing, Formatting etc. Good practices - Usage of Hashset over other data structures, String vs String Builder, String's immutability and using them effectively etc Really I would like to add more good practices (Especially to improve the performance.) So like to hear some more good practices to be used with C#. Any suggestions??? (No need of large descriptions :) Just the idea is sufficient.)

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• How to Track Duplicate Downloads

  - by user1089173

  I have a product and we are running a campaign for it to allow users to download a trial version. My questions is there any way to detect multiple downloads from the same computer but behind a proxy. For example if a person uses a proxy server, changes his/her ip and downloads our trial version multiple times from different Ip's, is there a way to detect that it is the same person who's downloading the s/w. We use only Name and Email addresses to be entered before downloading our s/w and that can easily be created. We cannot add any other fields to the form (like phoneno.)

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• Genetic algorithm resource

  - by Siblja

  Lately I'm interested in a topic of genetic algorithms, but i couldn't find any good resource. If you know any good resource, book or a site i would appreciate it. I have solid knowledge of algorithms and A.I. but im looking for something with good introduction in genetic programing.

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• LDAP :Failed to find add in mandatory or optional attribute list

  - by Manju Prabhu

  I am trying to import an ldif file which has following content- DN: cn=myUser,cn=Users,dc=us,dc=oracle,dc=com objectclass: top objectclass: person objectclass: organizationalPerson objectclass: inetorgperson objectclass: orcluser objectclass: orcluserV2 cn: myUser givenname: myUser mail: myUser orclsamaccountname: myUser sn: myUser uid: myUser userpassword:: somepassword dn: cn=Administrator,cn=Groups,dc=us,dc=oracle,dc=com objectclass: person changetype: modify add: uniquemember uniquemember: cn=myUser,cn=Users,dc=us,dc=oracle,dc=com When I do this, LDAP throws follwing error javax.naming.directory.SchemaViolationException: [LDAP: error code 65 - Failed to find add in mandatory or optional attribute list.]; remaining name 'cn=Administrator,cn=Groups,dc=us,dc=oracle,dc=com' The user gets imported, but it is not added to the group(Group exists). What am i missing ?

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• Is there a way to handle the dynamic change of a dropdown for a single row in a grid-based datawindo

  - by TomatoSandwich

  Is there a way to handle the dynamic change of a dropdown for a single row in a grid-based datawindow? Example: NAME LIKABILITY PURCHASED IN COLOUR (Text) (DropDown*) (Text) (Text) Bananas [Good] Hands Yellow [Bad] [Bananas are good] Apples [Good] Bags Red [Bad] Given the above is a grid-based datawindow, where the fields 'NAME','PURCHASED IN' and 'COLOUR' are text fields, where as the 'LIKABILITY' field is a dropdown*. I say dropdown* because the same visual representation can be created by using a DropDownList (hardcoded within the datawindow element at design time), or a DropDownDW (or DDDW, a select statement that can be based on other elements in the datawindow). However, there is no way I can get 'Bananas' having it's 3 dropdowns, while Apples has only 2. If I enter multiple rows of 'Bananas', then all rows have 3 dropdowns, but as soon as I add an Apples row, all dropdowns revert to 2 selections. To attempt to achieve this functionality, I have tried the following options: -- 1) dw_1.Object.likability.values("Good~tG/Bad~tB/Bananas are good~tDRWHO") on ue_itemchange when editing NAME. FAILS: edits all instances of LIKABILITY instead of the current row. -- 2) Duplicate Dropdowns, having one filtered, one unfiltered selection list per row, visible based on NAME selection. FAILS: can't set visibility/overlapping columns on grid-based datawindow. (Source) -- 3) Hard-code display value as Database value, or Vice Versa. Have 'GOOD','BAD','BANANASAREGOOD' as the display and database values, and change handling of options from G, B, DRWHO to these new values. FAILS: 3rd option appears for all rows, still selectable on Apple rows, which is wrong. -- 4) DDDW retrieve list of options for dropdown. Create a DDDW that uses the value of NAME to determine what selections it should have for the dropdown. FAILS: edits all instances of the dropdown, not just the current row. -- 5) DDDW retrieve counter of options available (if B then 3 else 2), then have duplicate dropdown columns that protect/unprotect based on DDDW counter. FAILS: Can't autoselect dddw value to populate column to cause protect on other two columns, ugly solution in any case. -- There is now a bounty on this question for anyone who can give me a solution that will enable me to edit a dropdown column for a single row on a grid-based datawindow in PB 10.5

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• question about books

  - by davit-datuashvili

  i have question how good is this book? http://www.amazon.com/Concrete-Mathematics-Foundation-Computer-Science/dp/0201558025/ ? and can anybody advise good books about bit manipulations? for example how good is this book? http://www.amazon.com/Hackers-Delight-Henry-S-Warren/dp/0201914654/

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• What is the best php framework?

  - by Jake

  I need to learn a good one.

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• Printer options follow Office documents

  - by tkalve

  One person (John) creates an Office document, and prints this document to his HP printer which is using HP Universal Printing PS (v4.7) driver. He has got Job Storage (Personal job) enabled for this printer, with custom username and a personal PIN. He later sends this document in an e-mail to his colleagues. Another person (Anne) opens the document, and tries to print the document to her HP printer (also using HP Universal Printing driver), but is not able to fetch it on the printer. The Job Storage options from Johns computer follows the Office Excel document, so Anne has to change this manually to her username and her PIN before she can print. What on earth is causing this, and how do we fix it?

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• Why not use tables for layout in HTML?

  - by Bno

  It seems to be the general opinion that tables should not be used for layout in HTML. Why? I have never (or rarely to be honest) seen good arguments for this. The usual answers are: It's good to separate content from layoutBut this is a fallacious argument; Cliche Thinking. I guess it's true that using the table element for layout has little to do with tabular data. So what? Does my boss care? Do my users care?Perhaps me or my fellow developers who have to maintain a web page care... Is a table less maintainable? I think using a table is easier than using divs and CSS.By the way... why is using a div or a span good separation of content from layout and a table not? Getting a good layout with only divs often requires a lot of nested divs. Readability of the codeI think it's the other way around. Most people understand html, few understand CSS. It's better for SEO not to use tablesWhy? Can anybody show some evidence that it is? Or a statement from Google that tables are discouraged from an SEO perspective? Tables are slower.An extra tbody element has to be inserted. This is peanuts for modern web browsers. Show me some benchmarks where the use of a table significantly slows down a page. A layout overhaul is easier without tables, see css Zen Garden.Most web sites that need an upgrade need new content (html) as well. Scenarios where a new version of a web site only needs a new CSS file are not very likely. Zen Garden is a nice web site, but a bit theoretical. Not to mention its misuse of CSS. I am really interested in good arguments to use divs + CSS instead of tables.

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• Allow email from a particular sender through spam filter

  - by Greg

  We are running exchange 2010 and are using the built in anti-spam feature. We have set up Content Filtering, IP Block List Providers, Sender ID, Sender Reputation and it filters out most of the junk but it also quarantines all emails from one of our customers. It is being quarantined because of the Content Filter agent (Report Below). How can I add an exception for this email address to the Content Filter. I can see how to setup an exception for a delivery address ("Don't filter messages sent TO the following recipients") but I want to add [email protected] to our safe list. I don't want to add the whole domain as it is a very popular ISP in Australia and we often get junk from them. Filter Report: > Diagnostic information for administrators: > > Generating server: something.com > > [email protected] > #550 5.2.1 Content Filter agent quarantined this message ## > > Original message headers: > > Received: from icp-osb-irony-out4.external.iinet.net.au (203.59.1.220) > by server.local.something.com.au (192.5.0.105) with Microsoft SMTP > Server id > 14.1.218.12; Mon, 5 Nov 2012 02:40:40 +1100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: > AscOALeLllB8qwLw/2dsb2JhbABEKYUFhiigRQOWCwQEgQiBCIIZFAEBTiwCCAIBBwEIFDkBBBoqARoCAQIDAYd4uEuRXGEDiCWFT44UijeDAw > X-IronPort-AV: E=Sophos;i="4.80,710,1344182400"; > d="scan'208,217";a="55137861" Received: from unknown (HELO > asdf83c05c53a3) ([124.171.2.240]) by icp-osb-irony-out4.iinet.net.au > with ESMTP; 04 Nov 2012 23:40:26 +0800 Message-ID: > <E8C866D0299E4BCB8B156723893EB735@asdf83c05c53a3> From: Customer > <[email protected]> To: 'Person' <[email protected]> > Subject: A long sentance Date: Mon, 5 Nov 2011 06:07:57 +1100 > MIME-Version: 1.0 Content-Type: multipart/alternative; > boundary="----=_NextPart_000_0005_01C5F962.3CD09120" X-Priority: 3 > X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express > 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Return-Path: [email protected] Received-SPF: None > (server.local.something.com.au: [email protected] does not > designate permitted sender hosts)

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• How to self-attest your programming abilities?

  - by Ivo Danihelka

  What is a good test of your smartness vs. stupidity? Is Google Code Jam a good test for that? Or would you suggest something else? I want to know whether I'm a good programmer or not.

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