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• Unlock Key Component

  - by mob1lejunkie

  Hi, I have almost completed my Android application so am considering ways of distributing the application. I have seen some applications on Market have free limited/locked version and separate Unlock Key/License Key which unlocks extra functionality. How is this done? Has anyone here done this? If so, how well does it work? I am thinking maybe this is better then having two versions of the same application (i.e Lite and Pro). Thanks.

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• Solving the problem of finding parts which work well with each other

  - by dotnetdev

  Hi, I have a database of items. They are for cars and similar parts (eg cam/pistons) work better than others in different combinations (eg one product will work well with another, while another combination of 2 parts may not). There are so many possible permutations, what solutions apply to this problem? So far, I feel that these are possible approaches (Where I have question marks, something tells me these are solutions but I am not 100% confident they are). Neural networks (?) Collection-based approach (selection of parts in a collection for cam, and likewise for pistons in another collection, all work well with each other) Business rules engine (?) What are good ways to tackle this sort of problem? Thanks

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• How to make Cutsomized Setup and Deployment

  - by deepu

  I'm currently developing a window application in VS2005,i need to make a setup of the product..and i had used setup and deployment project in VS2005 and created the setup but in the setup process... dialogs cannot be modified.. according to my needs...(ie it will be the same for all products installation only can change the heading , product name or top-banner) i like to make a setup the look the normal software installation...(like Visual studio ,photo shop installation)how is it possible to make a custom setup method..Is there any Custom setup & deployment method which is easy to do...plss help..me to create a better view during the product installation

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• Netbeans or Eclipse for C++?

  - by Robert Gould

  I'm currently working on a pet project and need to do C++ development on Windows, Mac, Linux, and Solaris, and I've narrowed it down to Netbeans and Eclipse, so I was wonderig which is more solid as a C++ editor. I just need solid editing, good autocompletion for templated code ad external libraries, and project file management, the build tools are external, so thats irrelevant here, for my comparison. Thus which is a better choice? Note: I know I should be using emacs or vim, but the issue is, my theory at least, that I'm left handed, so I use my right side (design,creativity) of the brain more than the left side (logic, memory), so I just simply cannot use emacs or vim, my brain simply isn't compatible, I tried them many times too, even used emacs for a few months but it drove me crazy... Thanks

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• C/C++: Scanning a TIFF file using LIBTIFF

  - by Matt07

  My problem is to scan a tiff image in C and get all the pixel value (let's say for saving them in a txt file) in C/C++. I scanned the web and i found a library named "TIFFLIB" that should do what i was looking for. I downloaded it using the ubuntu package manager, but the gcc doesn't recognize the library. How do i link the library to the compiler? Have I installed it correctly? Is there any better/easier way to do that?

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• Can Apache configuration check cookies?

  - by nickf

  My situation: We have a mobile version of our website, and want to start redirecting mobile users to it. The plan is to do this in Apache httpd.conf or .htaccess, using something like this: RewriteEngine On RewriteCond %{HTTP_USER_AGENT} (iPhone|Blackberry|...) RewriteRule (.*) mobile/$1 However we want there to be a way for users to override our default action of redirecting them. One way we thought to do it was to show a link on the mobile site directing back to the regular site, and store a cookie when they use that link. Could the Apache configuration file check a cookie before redirecting? Is there a better way?

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• Storing a variable into a database

  - by Alekx

  In an attempt to better learn Rails and I'm building a simple Blackjack game, but I'm running into a problem of storing the variable. I understand how to store user-genereated data into the db using form_for, but I'm struggling to create a random number and put it in the db. @hand = rand(9) + 2 I have "hand" as a field in my db, just curious how to store this random number. Any help anyone could provide to point me in the right direction would be very much appreciated. Thanks.

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• Design question?

  - by Mohamed

  I am building music app, where user can do several tasks including but not limited to listening song, like song, recommend song to a friend and extra. currently I have this model: class Activity(models.Model): activity = models.TextField() user = models.ForeignKey(User) date = models.DateTimeField(auto_now=True) so far I thought about two solutions. 1. saving a string to database. e.g "you listened song xyz" 2. create a dictionary about the activity and save to the database using pickle or json. e.g. dict_ = {"activity_type":"listening", "song":song_obj} I am leaning to the second implementation, but not quite sure. so what do you think about those two methods? do you know better way to achieve the goal?

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• Convert a string representation of a hex dump to a byte array using Java?

  - by ravigad

  I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array. I couldn't have phrased it better than the person that posted the same question here: http://www.experts-exchange.com/Programming/Programming_Languages/Java/Q_21062554.html But to keep it original, I'll phrase it my own way: suppose I have a string "00A0BF" that I would like interpreted as the byte[] {0x00,0xA0,0xBf} what should I do? I am a Java novice and ended up using BigInteger and watching out for leading hex zeros. But I think it is ugly and I am sure I am missing something simple...

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• Which kind of method signature do you prefer and why?

  - by devoured elysium

  Ok, this is probably highly subjective but here it comes: Let's assume I'm writing a method that will take a printscreen of some region of the screen. Which method signature would you prefer and why? Bitmap DoPrintScreen(int x, int y, int width, int height); Bitmap DoPrintScreen(Rectangle rect); Bitmap DoPrintScreen(Point point, Size size); Other Why? I keep seeing myself repeatedly implementing both 1) and 2) (redirecting one of them to the other) but I end up usually just using one of them, so there really is no point in having both. I can't decide which would be better. Maybe I should use the signature that looks the most with the method I'll be calling to make the printscreen?

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• hierarchical data from self referencing table in tree form

  - by Beta033

  It looks like this has been asked and answered in all the simple cases, excluding the one that I'm having trouble with. I've tried using a recursive CTE to generate this; however maybe a cursor would be better? Or maybe a set of recursive functions will do the trick? Can this be done in a cte? consider the following table PrimaryKey ParentKey 1 NULL 2 1 3 6 4 7 5 2 6 1 7 NULL should yield PK 1 -2 --5 -6 --3 7 -4 where the number of - marks equal the depth, my primary difficulty is the ordering.

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• Is MS Access still the most efficient RAD tool for small-scale custom apps?

  - by FastAl

  Of the many other development tools I've used, nothing holds a candle to the 'Functionality to Development Effort' ratio of MS Access. The reason I am asking is that I have been out of the language selection process for a few years, working on a large .Net system, and am only anecdotally familiar with the latest development tools outside the .Net world. I'm well aware of the limitations of Access, but for a limited concurrency (usually only 1 user at a time), small business, custom app, has anybody found a comparable end-to-end solution or combination that comes close? It doesn't have to be free, open source, or even Windows based. It just has to allow the same speed of development and maintenance, and maybe even provide some additional amenities like seamless autointegration with a server-based DB Engine (like Access does with its own 'Jet' dbms), better web support, and a file format more compatible with source control. I don't want to miss out on anything. Please share your development experience with your suggestions. Thanks.

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• Switching to HTML 5 and CSS3

  - by Kevin Sylvestre

  I constantly find myself creating sites using newer technologies (such as HTML 5 and CSS 3, then adding either backwards compatibility layers or porting entirely to XHTML 1.0 and CSS 2.1. This process often involves replacing CSS with sprite images and adding in flash components for advanced asynchronous support. My question is when can I can start to use the modern standards exclusively. Do I need to wait until Internet Explorer 9 is released or is it acceptable to request users switch to a "better" browser? Furthermore, if dropping compatibility for non HTML 5 browsers is an option, is it reasonable to ask mainstream users to install the Google Frame Frame? Thanks.

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• Dynamic where clause in LINQ - with column names available at runtime

  - by sandesh247

  Disclaimer: I've solved the problem using Expressions from System.Linq.Expressions, but I'm still looking for a better/easier way. Consider the following situation : var query = from c in db.Customers where (c.ContactFirstName.Contains("BlackListed") || c.ContactLastName.Contains("BlackListed") || c.Address.Contains("BlackListed")) select c; The columns/attributes that need to be checked against the blacklisted term are only available to me at runtime. How do I generate this dynamic where clause? An additional complication is that the Queryable collection (db.Customers above) is typed to a Queryable of the base class of 'Customer' (say 'Person'), and therefore writing c.Address as above is not an option.

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• Equivalent for Java's System.getProperty("java.io.tmpdir") in C ?

  - by B_

  As the title says, the java.io.tmpdir property in Java is really nice, and I can't find an equivalent for C. I'm writing for Windows and in Visual Studio. I don't want to just use something like C:\Temp because in later versions of windows the appropriate directory could be something like C:\Users\[UserName]\AppData\Local\Temp and a way to retrieve this would be much easier. I want a directory and not just a temp file because I'm downloading and executing a file from the internet. As a side note, if anyone can give me tips about how to better google for C stuff it would be much appreciated :)

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• Wicket and a rich ajax website: easiest way to do it?

  - by Sherkaner

  I want to use Wicket to build an application, but I have some designers that would like to write/maintain the javascript, and they basically expect 1 JS-segment per page, and a global JS-file. I think the most natural way to add javascript in wicket is to add it per component (not per page), which would create problems for those designers (fractioned javascript, and having to write it in java-files). Is there a better way to solve this? (of course, I expect things to work after a partial refresh.) And a second (related) thing they'd like (and I'd like actually) is the possibility to request information in JSON-format through a static link , is this possible in Wicket?

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• Visual Studio 2010 Macro - Reporting Progress

  - by user295841

  I have just discovered macros in Visual Studio and I can't be happier. Well... I have my complaints but... you know ;) A few of my macros are taking quite a while to complete and I am looking for a way to track progress. I build a log file during most of my macro processes but I have not found a good way to report progress without pausing the process. Ex. MsgBox("Progress") Any way to access the output window or even better the VS status bar?

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• How can creating the SessionFactory become slow after updating Hibernate?

  - by DR

  In my Java SE application I used Hibernate 3.4 and creating the SessionFactory took about 5 seconds. Today I updated to Hibernate 3.5.1 and suddenly it takes over a minute. What can be the cause of such a dramatic effect? I tried different things the better part of the day and I have no clue... Some data I collected According to the profiler the most time is spent in PersisterFactory.createClassPersister and in that method ProxyFactory.createClass takes the most time. The log shows nothing unusual Changing hibernate.bytecode.use_reflection_optimizer makes no difference

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• Beginner: Best Practices in an Android App UI Navagation

  - by AndyD273

  I am trying to learn how to do stuff in Android, and I'm not sure of the best way to build the interface. I've been working on porting an iPhone app, which uses navigation controllers and table views for looking at the different sections: basically, someone touches a cell in the table, which drills down to another table. when they touch a cell on that table it drills down to a webview that displays the information. I want to do something similar for the android app, but I don't know how, or if there is a better way native to Android. I've figured out how to use the webview to my purposes, but moving forward and backward in the table tree is unclear.

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• Prevent auto scrolling when clicking tab anchor

  - by JohnCrossy

  On my page I have some tabs that I've added some javascript so when they're clicked the page loads the tab's anchor URL instead of simply changing the view with AJAX, but I now want to stop the browser from auto scrolling to the anchor location. Having done some research, I'm pretty sure I just need to add a couple of lines so that when clicked it returns false or prevents default but, being a noob, I've no idea where to put them!?! I know it's cheeky, but if any answers could include the full script (ie. the below) with the solution, that way I'll understand better and hopefully learn some valuable lessons also :) Here's the code I'm using: jQuery( function() { jQuery('.ui-tabs').bind( 'tabsselect', function( e, ui ) { window.location.hash = ui.tab.hash }); });

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• Most proper way to use inherited classes with shared scopes in Mongo?

  - by Trip

  I have the TestVisual class that is inherited by the Game class : class TestVisual < Game include MongoMapper::Document end class Game include MongoMapper::Document belongs_to :maestra key :incorrect, Integer key :correct, Integer key :time_to_complete, Integer key :maestra_id, ObjectId timestamps! end As you can see it belongs to Maestra. So I can do Maestra.first.games But I can not to Maestra.first.test_visuals Since I'm working specifically with TestVisuals, that is ideally what I would like to pull. Is this possible with Mongo. If it isn't or if it isn't necessary, is there any other better way to reach the TestVisual object from Maestra and still have it inherit Game ?

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• Hibernate mapping to manage bidirectional relationship using intermediate table

  - by shikarishambu

  I have an object hierarchy that is as follows. Party inherited by Organization and Person Organization inherited by Customer, Vendor Person inherited by Contact In the database I have the following tables Party, Customer, Vendor, Contact. All of them have a corresponding row in Party table. Contact belongs to either Vendor or Customer. I have a field on the Contact table for org_party_id. However, since the organization can be either a Customer or Vendor I need to be able to look at different tables. Is there a way to map this in hibernate? Or, a better way to manage it in DB/ hibernate?

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• Python: Regex outputs 12_34 - I need 1234

  - by Guy F-W

  So I have input coming in like: 12_34 5_6_8_2 4___3 1234 and the output I need from it is: 1234, 5682, 43, 1234 I'm currently working with r'[0-9]+[0-9_]*'.replace('_','') which (as far as I can tell) successfully rejects any input which is not a combination of numeric digits and under-scores, where the underscore cannot be the first character. However, replacing the _ with the empty string causes 12_34 to come out as 12 and 34. Is there a better method than 'replace' for this? Or could I adapt my regex to deal with this problem?

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• Default datetime format in mySQL

  - by Davuz

  I'm coding to search data by compare datetime. In web form, user input value '2012-06-04' store in $_REQUEST['dateSearch']. I create datetime object from that: $dateObj = date_create_from_format("Y-m-d",$_REQUEST['dateSearch']); $dateParam = $dateObj->format("Y-m"); Then I use $dateParam in sql query to find data $sql = " SELECT * FROM `temp` as `t` WHERE `t`.`date` LIKE '$dateParam%' "; Everything is ok, but I'm not sure mySQL alway use only one datetime format "Y-m-d H:i:s". At here, $dateParam = $dateObj->format("Y-m"); I set default format is "Y-m". Is the default format never change? I don't want hard set format "Y-m-d H:i:s" in code, instead of, I think get format string from system to use is better. How do I get default datetime format string from mySQL???

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• automatically rewrite URLs in ASP.NET

  - by Ali_dotNet

  I use VS2010,C# to develop an ASP.NET web site, my customers want me to have their pages like this: mysite.com/customer (in fact they call mysite/customer/default.aspx) so I've manually created several folders for each customer, and inserted a default.aspx file in the folder so that users can view customer page by typing mysite.com/customer is there a better way for performing this scenario? I don't want to have mysite.com/customer1.aspx, I want to have mysite.com/customer1, is there anyway that I can remove folders (and their containing default.aspx files) and generate something automatic using my customers database? should I use URL rewriting? is there anyway that I can create page mysite.com/customer1.aspx, and users can view it by typing mysite.com/customer1? I think it is possible to rewrite URLs in web.config, but I don't want to do it manually in web.config as my pages would increase in a daily basis thanks

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