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• Is there anything for Python that is like readability.js?

  - by Emre Sevinç

  Hi, I'm looking for a package / module / function etc. that is approximately the Python equivalent of Arc90's readability.js http://lab.arc90.com/experiments/readability http://lab.arc90.com/experiments/readability/js/readability.js so that I can give it some input.html and the result is cleaned up version of that html page's "main text". I want this so that I can use it on the server-side (unlike the JS version that runs only on browser side). Any ideas? PS: I have tried Rhino + env.js and that combination works but the performance is unacceptable it takes minutes to clean up most of the html content :( (still couldn't find why there is such a big performance difference).

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• Direct TCP/IP connections in P2P apps

  - by Greg Roberts

  From a Joel's post on Copilot: Direct Connect! We’ve always done everything we can to make sure that Fog Creek Copilot can connect in any networking situation, no matter what firewalls or NATs are in place. To make this happen, both parties make outbound connections to our server, which relays traffic on their behalf. Well, in many cases, this isn’t necessary. So version 2.0 does something rather clever: it sets up the initial connection through our servers, so you get connected right away with 100% reliability. But then once you’re all connected, it quietly, in the background, looks for a way to make a direct connection. If it can’t, no big deal: you just keep relaying through our server. If you can make a direct peer-to-peer connection, it silently shifts your data onto the direct connection. You won’t notice anything except, probably, much faster communication. How do they change the server connection to a P2P connection?

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• Can I make a folder writeable in Medium trust?

  - by harpo

  My web app writes to several folders (logs, uploads, etc), and I've always set these permissions manually through my hosting provider. I'd like to create a setup script that performs this on new installations. Is this possible under Medium trust? I can't even call File.GetAccessControl, let alone File.SetAccessControl, but I don't need such a "big hammer", anyway. I just want to do what the ISP (in this case GoDaddy) is letting me do through a management console. I believe PHP is able to do this, and I'd be willing to consider a PHP page for this purpose if that's possible.

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• wcf class implementing two operation contracts in different service contracts with same name

  - by Archie

  Hello, I have declared two service contracts as follows: [ServiceContract] public interface IContract1 { [OperationContract] double Add(int ip); } [ServiceContract] public interface IContract2 { [OperationContract] double Add(double ip); } I have a class which implements these two contracts. I have created two end points for both the contracts. But I'm not able to access the service from client code. It displays a big error when i try to update the service reference as: Metadata contains an error that cannot be resolved.... There was no endpoint listening at ... etc. I know that you can't have two OperationContracts with the same name but is it possible to have two operation contracts in different service contracts with same name but different signature? Thanks.

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• CSS - how can I handle the size difference between serif and sans-serif fonts?

  - by orbit82

  I'm working on a WordPress that will allow the site administrator to switch between sans-serif and serif fonts. I'm trying to code the stylesheet in such a way that the font sizes are similar whether or not they choose Georgia vs Arial. The problem is that when I have it looking nice with a serif font, it looks WAY too big when in sans-serif. When I then adjust it to look nice in a sans-serif font, it looks WAY too small in serif. Is there an ideal font size and line-height that works well with both serif and sans-serif? Or do I need to make separate stylesheets (a serf version and a sans-serif version)? P.S. I've set a base font size on the body at 12px, and then set the rest of the font sizes as a percentage of the base. Of course, this base font size could be set in ems or in percent, because the percentages will still scale proportionally.

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• Archlinux auto-start after I shutdown my computer

  - by madper

  every one. I'm in a big trouble. My computer (HP ProBook 4230s) has two OS----Archlinux and Win 7. When I use Archlinux, after halt my computer, it will start up after a while without press power. And there is an other thing. My computer's clock will be wrong. Many times I change it in bios, but it wrong again. If I turn off the computer from Win 7, it will never start up untill pressing power bottom. And the clock will be right. I also used ubuntu\debian\mageia, and both of them are fine with my notebook. Is there some configure is wrong with my ArchLinux?

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• Who pays developers of open-source software?

  - by darko petreski

  We are facing a lot of open source software. But someone needs to write that software. How are they payed? Do you know a good article about the open source politics and economy? Sometimes the big companies themselves release open source because they have some benefits. Then they sell support, advices ... My question is what is the real economy about open software? No professional will work for nothing. This software are couple of classes but thousand or may be millions of classes. If you are really a pro you will write software for money, because you have life, wife, kids, taxes, you must earn. Please do not tell me that they are doing this for pleasure or hobby!

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• Hosting a complex online service

  - by jonathanconway

  I have an idea for a web-based service. The implementation is very complex. There will be very few users, and the traffice will be fairly low, but the server-side code could require a lot of resources. Ideally I'd need to have as much control over the servers as possible. How should I arrange hosting for this, when it comes time to release it to the public? Should I do the hosting myself, from my own servers? Trouble is, since I'm not quite an expert on .NET hosting, it might take time to learn and I might make big mistakes. The trouble with using a hosting company is, they might steal my idea, or else, it might cost a lot. Since I'm an un-funded startup I don't have a lot of money to throw at this.

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• Check if BigDecimal is integer value

  - by Adamski

  Can anyone recommend an efficient way of determining whether a BigDecimal is an integer value in the mathematical sense? At present I have the following code: private boolean isIntegerValue(BigDecimal bd) { boolean ret; try { bd.toBigIntegerExact(); ret = true; } catch (ArithmeticException ex) { ret = false; } return ret; } ... but would like to avoid the object creation overhead if necessary. Previously I was using bd.longValueExact() which would avoid creating an object if the BigDecimal was using its compact representation internally, but obviously would fail if the value was too big to fit into a long. Any help appreciated.

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• Default value list for pipeline param in Powershell

  - by fatcat1111

  I have a Powershell script that reads values off of the pipeline: PARAM ( [Parameter(ValueFromPipeline = $true)] $s ) PROCESS { echo "* $s" } Works just fine: PS my.ps1 foo * foo I would like the script to have list of default values, as the most common usage will always use the same values and storing them in the default will be most convenient. I did the usual assignment: PARAM ( [Parameter(ValueFromPipeline = $true)] $s = 'bar' ) PROCESS { echo "* $s" } Again, works just fine: PS my.ps1 * bar PS my.ps1 foo * foo However when setting the default to be a list, I get back something entirely reasonable but not at all what I want: PARAM ( [Parameter(ValueFromPipeline = $true)] $s = @('bar', 'bat', 'boy') ) PROCESS { echo "* $s" } Result: PS my.ps1 * bar bat boy I expected: PS my.ps1 * bar * bat * boy How can I get one call in to the Process loop for each default value? (This is somewhat different than getting one call in to Process, and wrapping the current body of in a big foreach loop over $s).

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• Get Hardware Information for HWs that is not installed

  - by Isaac

  I am pretty sure how to retrieve hardware information with WMI classes. but WMIs have a big limitation: They Just can get information for installed hardwares. I need to retrieve information about CPU (model,speed,etc..),Video Card, Sound Card, USB Ports, etc. I found a really good software (HWiNFO) that can do this even the drivers for hardware parts is not installed. It seems that HWiNFO uses a internal database to give a name for each hardware part. So is there any free library/DLL/component that can do this in Windows XP or higher Note: Although HWiNFO SDK seems good, it's not free. So it doesn't exist! ;) I need a free library.

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• Statistics: combinations in Python

  - by Morlock

  I need to compute combinatorials (nCr) in Python but cannot find the function to do that in 'math', 'numyp' or 'stat' libraries. Something like a function of the type: comb = calculate_combinations(n, r) I need the number of possible combinations, not the actual combinations, so itertools.combinations does not interest me. Finally, I want to avoid using factorials, as the numbers I'll be calculating the combinations for can get to big and the factorials are going to be monstruous. This seems like a REALLY easy to answer question, however I am being drowned in questions about generating all the actual combinations, which is not what I want. :) Many thanks

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• Android-iPhone single codebase cross development

  - by Lorenzo

  Is there a way, apart from using HTML and JavaScript on a web control, to have an (almost) single codebase for an application that should run on iOS and Android? The big issue is of course that they use a different language (Java for Android, Objective-C for iOS) for application development. It would be nice to have some sort of meta-language that will be translated in Java and in Objective-C. What about Flash? Adobe wasn't supposed to release a tool to create flash-based apps in iOS? Update: based on current answers, the best cross platform development tool for iOS and Android seems to be Titanium appcelerator. I suspect that this topic will evolve overtime, so feel free to contribute with new information and comments. Thank you!

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• MySQL INTO OUTFILE overide existing file?

  - by Derek Organ

  I've written a big sql script that creates a CSV file. I want to call a cronjob every night to create a fresh CSV file and have it available on the website. Say for example I'm store my file in '/home/sites/example.com/www/files/backup.csv' and my SQL is SELECT * INTO OUTFILE '/home/sites/example.com/www/files/backup.csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY '\n' FROM ( .... MySQL gives me an error when the file already exists File '/home/sites/example.com/www/files/backup.csv' already exists Is there a way to make MySQL overwrite the file? I could have PHP detect if the file exists and delete it before creating it again but it would be more succinct if I can do it directly in MySQL.

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• Speed up dialog/page transitions in jQuery Mobile on iPhone?

  - by Crashalot

  There are other SO questions on speeding up jQuery Mobile for Android, but does anyone know how to accelerate page transitions on iPhones, specifically dialog transitions? We're on JQM 1.0. JQM 1.1 is supposed to speed up page transitions (though we haven't seen any demos yet), but we're wondering if anyone has done anything for JQM 1.0. Right now, there is a two second delay, which is too much to show a dialog. We resort to one of two options. Using no animation for the page transition, which provides instant feedback, or rolling our own by binding to "touchstart" and animating the dialog, which is really just a big DIV inside the current page. Neither is ideal. Suggestions?

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• What are some of the practical cons to using ASMX webservices?

  - by Earlz

  Hello, at my workplace we are about to start a big project. My boss (a programmer, this is a startup) wishes to use ASMX webservices for this purpose. I do not want to start off a new program using deprecated technology and would like to show him this. I dislike WCF at this moment because it has such an extreme learning curve, but I'd rather learn it than use an unsupported technology. The problem I'm having is that I can not find any practical list of cons and downfalls when compared to WCF so that I can convince my boss to not use them. And saying "it's not as powerful" is not an adequate explanation. What exactly can it not do that we may need it to do for a webservice that is not meant to be shared externally? (as in, we don't support third-parties using our webservices unless they are using one of our clients. )

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• Convert the ada code to its C .

  - by maddy

  HI All, I have a piece of ada code shown below which is a simple switch case statements.Is there any better way to convert this into C. for I in 1..100 loop case I is when 100 => Dollars := Dollars + 1; when 25|50|75 => Quarters := Quarters + 1; when 10|20|30|40|60|70|80|90 => Dimes := Dimes + 1; when 5|15|35|45|55|65|85|95 => Nickles := Nickles + 1; when others => Pennies := Pennies + 1; end case; end loop; Now by adding the switch and the case for each values in the case,i can do that conversion,But it seems tyo make the code too big.Is there anywa other simple and compact way.Please get back to me if the question is not clear? Regards maddy

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• How to establish a two-way communication between Activity and Service in different process?

  - by steff

  Hi everyone, I'm working on establishing a two-way communication between an Activity and a Service which runs in a different process. Querying the process from the Activity is no big deal. But I want the process to notify the Activity on events. The idea behind it is this: the service runs independently from the actual app. It queries a webserver periodically. If a new task is found on the webserver the process should notify the activity. I found this thread over at AndDev.org but it doesn't seem to work for me. I've been messing around with BroadcastReceiver. I've implemented an interface which should notify the Activity but the problem is that the listener is always null since the Broadcast from the process is done via Intent, hence the class that extends BroadcastReceiver will be newly instantiated. How can I establish a 2-way communication? This has to be possible. Thanks for any help, steff

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• OpenID - How can I use my personal domain as an OpenID provider/forwarder?

  - by John Himmelman

  I read this comment in the OpenID post on the stackoverflow blog. Kibbee says : One nice feature of OpenID that I use is the ability to delegate the openID verification. So I can set up my own domain name, and then put a tiny bit of XML on that page that tells the site (like stackoverflow) to go to some other openid Provider (in my case MyOpenID). The big plus is that I have complete control over my Open ID account. If MyOpenID goes down, I can just switch to another provider. I think anybody who has their own domain name should go for this option. What is this tiny bit of XML that will allow my server to act as an openid provider/forwarder?

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• problem sybase autogenerated ids

  - by daedlus

  Hi , I have a table in which the PK column Id of type bigint and it is populated automatically increasing order of 1,2,3...so on i notice that some times all of a sudden the ids that are generated are having very big value . for example the ids are like 1,2,3,4,5,500000000000001,500000000000002 there is a huge jump after 5...ids 6 , 7 were not used at all i do perform delete operations on this table but i am absolutely sure that missing ids were not used before. why does this occur and how can i fix this? many thanks for looking in to this. my env: sybase ase 15.0.3 , linux

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• Trouble with using ActiveX control in .net windows application

  - by alex dee

  C#, visual studio 2005 I have several 3rd party activeX control. I need to use them in my .net windows application. These controls are graphical. I created a wrapper with aximp.exe for them. But it seems that something wrong. When I call some methods of wrapped activeX control == targetinvocativeexception occured. Or visual studio writes "you are attempting to write or read protected memory". I know that something wrong. But what is exactly wrong - i don't know. I find out about method CreateControl() or STAthread attribute. but it doesn't help me. What is the common problem and common solution for my type of problem ? These activex control from big and trusted company, other developers work with them.

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• Best solution for a comment table for multiple content types

  - by KRTac

  I'm currently designing a comments table for a site I'm building. Users will be able to upload images, link videos and add audio files to the profile. Each of these types of content must be commentable. Now I'm wondering what's the best approach to this. My current options are: 1. to have one big comments table and a link tables for every content type (comments_videos, ...) with comment_id and _id. 2. to have comments separated by the type of content their for. So each type of content would have his own comments table with the comments for that type.

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• Mahout Naive Bayes Classifier for Items

  - by Nimesh Parikh

  Team, I am working on a project where i need to classify Items into certain category. I have a single file as input; which contains target variable and space separated features. My training data will look like Category Name [Tab] DataString Plumbing [Tab] Pipe Tap Plastic Pipe PVC Pipe Cold Water Line Hot Water Line Tee outlet up Elbow turned up Elbow turned down Gate valve Globe valve Paint [Tab] Ivory Black Burnt Umber Caput Mortuum Violet Earth Red Yellow Ochre Titanium White Cadmium Yellow Light Cadmium Yellow Deep Cloths [Tab] Shirt T-Shirt Pent Jeans Tee Cargo Well, I have really big set of Category. I have couple of question here am i using correct data for Training? If no then what should i use? Once I train and Test my model, what is next step? How can i use output? Please help me with this Thanks, Nimesh

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• NSRunAlertPanel not working in Tiger, though it works on Leopard and Snow Leopard

  - by benson Ang

  I'm currently using NSRunAlertPanel to display a dialog. It works perfectly in Leopard and Snow Leopard. In Tiger, it also works except for the icon. In Leopard and Snow Leopard, the icon I used for the App is displayed on the left side of the strings. This is the expected behavior. However, in Tiger, there is a big margin on the left side of the strings, the icon is missing but the gap for the icon is there. Here's how i used the code: NSRunAlertPanel(@"My Application", @"My Application's string contents", @"OK", nil, nil); I really need to know why this happens. I did not add any code for the icon to appear in leopard and snow, but it's there. Thanks.

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• Is it correct that blueprint css allows you to formulate your layout as a grid instead of in terms o

  - by brian

  One of the arguments I've heard about blueprint css is that it lets you think of your layout in terms of a grid rather than in terms of floats. This seems like a big advantage to me because I always get confused about where my floats are going to end up - sometimes a float will unexpectedly drop down below some other floats and I have a hard time figuring out how to reposition everything. Does this make blueprint css a good choice for me - or should I just put the time in to learn how to use floats properly and do all of my layouts manually?

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