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• Verify uniqueness of new content

  - by rogerkk

  I'm working on a review site, where there is a minor issue with almost duplicate reviews across items. Just a few words are changed. It would be very nice to be able to uncover these duplicates before they are approved by a moderator, and I'm hoping someone could chime in on the best strategy to get there. The site is running Ruby on Rails on a Postgres database and using Thinking Sphinx for search (all on Heroku), and so far the best option I see is to be pulling all the reviews out of the db and using a module like amatch to compare the strings. Not very efficient, so in this case I guess I'll have to limit the number/age of reviews to scan for dupes. Anyone got a better idea?

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• When to update jQuery?

  - by epaulk

  When you recommend updating jQuery/jQuery UI? Or in other words: what are the best practices for updating jQuery/jQuery UI? I’m working on a long project that will take at least one more year. In that time span, I’m sure that jQuery/jQuery UI will be updated many times. Do you recommend update my jQuery/jQuery UI files every time an update is released? Or is better to stick with a particular version until the end of the project? I’m afraid of “breaking” code changes, and every time an update is released, I have to test everything. That takes too much time. But on the other hand, if I didn’t update, I’m afraid of bugs that later will bite me in the rear. The project is an ASP.MVC and I use jQuery a lot. Any thoughts?

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• Question about SEO and Domains

  - by jasondavis

  This is my first post on here as I am mainly on Stackoverflow and Serverfault. I have been programming for at least 10 years now, have made hundreds of websites but I have just recently started getting into Design and the SEO side of sites, sad that I have been overlooking these for so many years. I have pretty good knowledge from all my years of SEO but I have never really looked into it until now. My question, I would like to build a site that targets many different key words for the search engines, for an example. Let's say I built a site about Outdoor activities called outdoorreview.com and I planned on having many sections hunting fishing Hiking camping cycling climbing etc... For best Search Engine results, how could I get the most search engine traffic to all these ares? Also how should I structure the way to get to them, outdoorreview.com/Hiking/ or hiking.outdoorreview.com ?

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• GPL/LGPL/MPL non-code content license

  - by user1103142

  I want to use a dictionary (basically a text file, and no code) that is included with an open office spell checking plug-in. The plug-in is under the tri-license GPL/LGPL/MPL which I don't understand. is that legal? If it is illegal, what if I wrote a script that uses the said open office plug-in to generate the dictionary (assuming it's technically possible, the script will generate all possible letter permutations, passes it to the plug-in and saves the correct ones) ? I will be using the dictionary in a closed source commercial application. The dictionary is in a language that has very little resources online, and short of making my own dictionary, there aren't any alternatives. Clarification: The script idea I mentioned above, isn't a weird technique, I would generate a document with all possible words and use open office with the plug-in installed to show spelling mistakes and remove them, isn't this the intended use of the plug-in (spell checking)?

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• Python lower_case_with_underscores style convention: underscores not popular?

  - by squirrel

  PEP8 recommends using lowercase, with words separated by underscores as necessary to improve readability for variable and function names. I've seen this interpreted as lower_case_with_underscores by most people, although in practice and in Python's native methods it seems like lowercasewithoutunderscores is more popular. It seems like following PEP8 strictly would be awkward since it seems to suggest mixing both lower_case_with_underscores and lowercasewithoutunderscores, which would be inconsistent. What is your interpretation of PEP8's variable names, and what do you actually use in practice? (Personally, I like lowerCamelCase as a compromise between readability and ease of typing.)

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• What is a good way to share internal helpers?

  - by toplel32

  All my projects share the same base library that I have build up over quite some time. It contains utilities and static helper classes to assist them where .NET doesn't exactly offer what I want. Originally all the helpers were written mainly to serve an internal purpose and it has to stay that way, but sometimes they prove very useful to other assemblies. Now making them public in a reliable way is more complicated than most would think, for example all methods that assume nullable types must now contain argument checking while not charging internal utilities with the price of doing so. The price might be negligible, but it is far from right. While refactoring, I have revised this case multiple times and I've come up with the following solutions so far: Have an internal and public class for each helper The internal class contains the actual code while the public class serves as an access point which does argument checking. Cons: The internal class requires a prefix to avoid ambiguity (the best presentation should be reserved for public types) It isn't possible to discriminate methods that don't need argument checking   Have one class that contains both internal and public members (as conventionally implemented in .NET framework). At first, this might sound like the best possible solution, but it has the same first unpleasant con as solution 1. Cons: Internal methods require a prefix to avoid ambiguity   Have an internal class which is implemented by the public class that overrides any members that require argument checking. Cons: Is non-static, atleast one instantiation is required. This doesn't really fit into the helper class idea, since it generally consists of independent fragments of code, it should not require instantiation. Non-static methods are also slower by a negligible degree, which doesn't really justify this option either. There is one general and unavoidable consequence, alot of maintenance is necessary because every internal member will require a public counterpart. A note on solution 1: The first consequence can be avoided by putting both classes in different namespaces, for example you can have the real helper in the root namespace and the public helper in a namespace called "Helpers".

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• How do you assign commands to keys in Terminal?

  - by NES

  Is there a solution to assign special key combinations to words in terminal use. For example the less command is very usefull and i use i a lot to pipe the output of another process through it. The idea would be to set up special key combinations that are only active in terminal use assigned to write different commands? So pressing CTRL + l in terminal window could write | less or CTRL + G could stand for | grep Note: i just mean adding the letters to commandline not execute the finally. A similar way what's tabcompletion but more specific.

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• Can't start x session after updating packages

  - by chaos

  I have recently upgraded to 12.04 and all seems ok except adobe flash plugin doesn't work. But one several days ago when I installed several update packages and rebooted the x session was unable to start and it automatically switches to console 1 for commandline login. What's frustrating is there's essentially no error messages when I click alt+F7 to see what's going on with the x session. There are a bunch of [ok]'s and the last line seems to be something like 'starting x font server' and it just hang there. The closest thing to an error is something like 'stopping system V compatability (*words I can't remember*) ... [ok]'. This is nearly the most frustrating experience I've ever had with linux in the past 10 years. Can anyone help me?

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• Efficient way to calculate "vision cones" on 2D tile map?

  - by OverMachoGrande

  I'm trying to calculate which tiles a particular unit can "see" if facing a certain direction on a tile map (within a certain range and angle of facing). The easiest way would be to draw a certain number of tiles outward and raycast to each tile. However, I'm hoping for something slightly more efficient. A picture says a thousand words: The red dot is the unit (who's facing upwards). My goal is to calculate the yellow tiles. The green blocks are walls (walls are between tiles, and it's easy to check if you can pass between two tiles). The blue line represents something like the "raycasting" method I was talking about, but I'd rather not have to do this. EDIT: Units can only be facing north/south/east/west (0, 90, 180, or 270 degrees) and FoV is always 90 degrees. Should simplify some calculations. I'm thinking there's some sort of recursive-ish/stack-based/queue-based algorithm, but I can't quite figure it out. Thanks!

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• Free vouchers to become a certified ADF or WebLogic Implementation Specialist

  - by JuergenKress

  For all WebLogic & ADF experts, we offer 100 free vouchers worth $195 to become an Oracle certified expert. To receive a WebLogic & ADF voucher please send an e-mail with the screenshot of your WebLogic Server 12c PreSales Specialist or ADF 11g PreSales Specialist certificate to [email protected] including your Name, Company, e-mail and Country with the e-mail subject free WebLogic & ADF voucher! WebLogic ADF Pre-Sales assessment (free online test) Preparation: WebLogic 12c PreSales Specialist (OPN account required – need help?) ADF 11g PreSales Specialist (OPN account required – need help?) Implementation assessment Preparation: WebLogic 12c Implementation Specialist WebLogic Bootcamp training material (Community membership required) WebLogic Knowledge Zone Overview ADF 11g Implementation Specialist ADF 11g bootcamp training material (Community membership required) ADF Knowledge Zone Overview Free vouchers are reserved for partners from Europe, Middle East and Africa. Any other countries please contact your local partner manager! WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Specialization,ADF certified,WebLogic certification,education,free exam,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• What is the term that means "keeping the arguments for different API calls as similar as possible"?

  - by larson4

  There is a word which I can never remember... it expresses a design goal that API calls (or functions or methods or whatever) should be as similar as reasonably possible in their argument patterns. It may also extend to naming as well. In other words, all other things being equal, it is probably bad to have these three functions: deleteUser(email) petRemove(petId,species) destroyPlanet(planetName,starName) if instead you could have deleteUser(userId) deletePet(petId) deletePlanet(planetId) What is the word for this concept? I keep thinking it's "orthogonal" but it definitely isn't. Its a very important concept, and to me it's one of the biggest things that makes some APIs a joy to work with (because once you learn a few things you can pretty much use everything without looking at doco), and others a pain (because every function is done inconsistently).

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• Weird keywords in google webmaster tools

  - by Argoron

  I just happened to check the keywords list on Google Webmaster Tools for my site, which is an educational content site about finance. To my big surprise, after the first keyword, which is 'finance', I found amongst the 20 highest ranked (!) entries words like: mysql, server, adobe, flash, player, homez. What (i'm tempted to add "the heck") does that mean ? Is that something I should worry about? If so, how did these get there and how can I eliminate these / avoid they get into that list ? Thanks very much in advance for your help

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• Find angle for projectile to meet target in parabolic arc

  - by TheBroodian

  I'm making a thing that launches projectiles in 2D. Its projectiles are fired with a set initial velocity, and are only affected by gravity. Assuming that its target is within range, and that there aren't any obstacles, how would my thing find the appropriate angle at which to launch its projectile (in radians)? The equation for this is found here: Wikipedia: Angle Required to Hit Coordinate Sadly, I'm not a physicist (a.k.a. can't read smart people math) and am having a hard time reading its breakdown. If not only for the sake of anybody else that might read this other than myself, would anybody be kind enough to break the equation down into baby words please?

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• Language Design: Are languages like phyton and coffescript really more comprehendable?

  - by kittensatplay

  the "Verbally Readable !== Quicker Comprehension" arguement on http://ryanflorence.com/2011/case-against-coffeescript/ is really potent and interesting. i and im sure other would be very interested in evidence arguing against this. there's clear evidence for this and i believe it. ppl naturally think in images, not words, so we should be designing languages dissimilar to human language like english, french, whatever. being "readable" is quicker comprehension. most articles on wikipedia are not readable as they are long, boring, dry, sluggish, very very wordy, and because wikipedia documents a ton of info, is not especially helpful when compared to much more helpful sites with more practical, useful, and relevant info. but languages like phyton and coffescript are "verbally readable" in that they are closer to the english language syntax, and programming firstly and mainly in python, im not so sure this is really a good thing. the second interesting argument is that coffeescript is an intermediator so thereby another step between to ends, which may increase chances of bugs. while coffeescript has other practical benefits, this question is focused specifically on evidence showing support for the counter-case of language "readability"

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• Survey says: Java technology rules

  - by hinkmond

  Eclipse came out with their Open Source Developer Report and Survey for 2012. In it, we see (in the words of the immortal Richard Dawson, RIP) "Surveys Says!": Java computer programming language is on top. See: Java is the top Here's a quote: The Eclipse community was invited to participate in the survey between April 23 and May 15 of this year. Skerrett says the Foundation promoted the survey primarily through social media (Facebook, Twitter) and online forums. Of the 840 people who responded, 732 completed the survey... So, now we know who's on top, we can keep this in mind the next time this question comes up on Family Feud. Hinkmond

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• Importance of frequency of keywords for SEO [closed]

  - by Calle

  Possible Duplicate: keyword stuffing in SEO I've seen a few posts on here and elsewhere that talk about the amount of unique keywords used, or aimed, for in a text. But how important is the frequency of keywords for SEO optimized copy, the higher the better? Is there a certain percentage to aim at? For example, I currently have copy aimed for a specific keyword. The rate of this keyword is that it makes up 2% of all words. Is this too low? Too high? The higher the better?

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• Add copyright notice to a website

  - by PeeHaa

  Not really a programming question, but I find it related. If not (or you find this question too subjective), please tell me, yell at me, swear at me, kick me in the nuts, or just vote to close :) I've read some questions and answers here on SO about adding copyright notices, but not the specific ones I am looking for. I want to add a copyright notice to a website I created. Something like (c) Me 2010. All rights reserved. I am aware that everything written by someone is automatically copyrighted (if I'm not mistaken and perhaps depending on country laws). I see some sites use the following format for this (c) Me 2009-2010. However for me that makes no sense to add an 'end-date' to the notice. I am aware I can code to update the notice every year, but I just find it strange. Or is it just me? Another question is: I also use copyrighted code from others (they are all mentioned in the credits incl. links to their licenses ofc) on my site. Would it still be OK to add the copyright notice to the site with only Me in it? So to sum it up I have 2 questions: What is THE RIGHT WAYTM of adding a copyright notice on a website (or code or whatever)? If there is one. Is it allowed to copyright code with other copyrighted code within it?

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• T9 patented while QWERTY is not?

  - by Marco W.

  I've seen that there are lots of custom keyboards for Android, but all are QWERTY keyboards. I couldn't find any keyboard with T9 layout. Is this because T9 is patented and the QWERTY layout is not? So if I made a T9 keyboard, I would have to pay patent fees? So what does the patent protect when you look at T9? Only the layout? Or the prediction engine? The problem is, this way of predicting words is the only one that makes sense for this layout ...

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• Problems dualbooting Ubuntu because of UEFI

  - by Koffeehaus

  I have an X-series Asus laptop which I just bough about a month ago. I want to dualboot Ubuntu - Windows. I can easily access LiveUSB with both UEFI enabled and disabled. I heard that there were problems with UEFI, so I disabled it. After I've installed the system I couldn't access it. It just boots to Windows straight. Another unusual thing, that never happened to me before was that the partition editor wanted me to create a BIOS reserved area, which I did, but not at the beginning of the table. Any ideas how to access the Ubuntu partition? As far as I can guess both Windows and Ubuntu have to be both of the same type of boot, either Legacy or EFI. This is not the case of what I have now. So, if I reinstall Ubuntu in UEFI mode that correlates with my Windows type, will I then be able to boot into it? I have a constraint, my laptop doesn't have a CD ROM, so I cannot reinstall WIndows, nor can I move around the Windows recovery partition. This is the boot-repair report : http://paste.ubuntu.com/1354254/

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• How can I open binary image files? (.img)

  - by Simon Cahill

  I'm a Windows/Mac/Ubuntu and Androoid user, so I know what I'm talking about, when I say: How do I open binary image files? (.img) They just won't open, on any OS... I'm an Android dev... I'm currently working on a ROM, (I also program, using Windows) but I need to extract files, from .img files. I've converted them to .ext4.img but they just aren't recognized by Linux (Definitly not by Android), by Mac OS or Windows. In other words, I can't open, extract or mount them. Can anyone help me? I'm kinda confused...

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• KDE fonts not rendering bold in Ubuntu 12.04

  - by Doran

  I'm using Ubuntu 12.04 with some KDE programs: kate and yakuake. Neither of these programs will render bold font. Instead, the font appears as "Regular". How can I fix this? The image below shows an example of Kate rendering python with the stock python highlighting (the colors are inverted using CompizConfig Settings Manager's Negative option). The following words should have appeared bold: class def __init__ lambda + print Similarly Yakuake (or perhaps, the underlying Konsole) is not rendering bold. My LS_COLORS includes: di=01;34 (bold blue) Below is my gnome-terminal rendering bold fonts just fine.

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• Is Unity's Random seeded automatically?

  - by Lohoris

  I seem to recall Unity's Random is automatically seeded; checking the documentation it doesn't say it outright, but a certain interpretation of their words might seem to imply it. The seed is normally set from some arbitrary value like the system clock before the random number functions are used. This prevents the same run of values from occurring each time a game is played and thus avoids predictable gameplay. However, it is sometimes useful to produce the same run of pseudo-random values on demand by setting the seed yourself. (emphasis added)

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• What would be a good game making engine supporting Vector images?

  - by Qqwy

  I want to create a simple platforming game, in which you are a square in a wonderful world. I would like this game to be able to be played in browsers. Basically I am searching for something similar to "Flixel", but with the following features: Support Vector Graphics Allow zooming/rotating objects without producing huge amounts of lag as soon as you are using more objects. (Because I want to rotate the map around the player) So in other words, preferably zoom the viewport/camera instead of the objects themselves. Does an engine like that exist?

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• pop up html as javascript string instead of hidden div for seo [closed]

  - by user1324762

  Possible Duplicate: How bad is it to use display: none in CSS? I have heard that using display:none or visibility:hidden css properties are not a very good idea for seo purposes. I have about 4 different pop up windows to display and each one has about 20 words inside it. I can create hidden divs. Another option is to store div html elements as javascript string. In this way pop up html elements will be generated from javascript string. This will be still faster than using ajax since the data is static. Is this method absolutely safe for SEO? P.S.: I was just asking about similar question on http://stackoverflow.com/questions/12389075/storing-data-in-javascript-array-for-further-use, but this one is different, it is about static data and about SEO.

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• Reboot to fail safe mode when root file system is full

  - by Richard

  I have a system running on a 4GB Nandrive. When the drive is full, Ubuntu will not boot :( and I have to plug in a rescue thumbdrive to delete files. The problem is the hardware is not easily accessible except via network. Is there a sure-fire way to boot Ubuntu, say, to RAM or other means when the disk is full or on any other errors in the normal boot process? In other words, is there a fallback rescue boot mode with networking? Thanks for any advice.

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