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  • Use of LOC to determine project size

    - by acidzombie24
    How many lines of code (LOC) does it take to be considered a large project? How about for just one person writing it? I know this metric is questionable, but there is a significant difference, for a single developer, between 1k and 10k LOC. I typically use space for readability, especially for SQL statements, and I try to reduce the amount of LOC for maintenance purpose to follow as many best practice as i can. For example, I created a unified diff of the code I modified today, and it was over 1k LOC (including comments and blank lines). Is "modified LOC" a better metric? I have ~2k LOC, so it's surprising I modified 1k. I guess rewriting counts as both a deletion and addition which doubles the stats.

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  • PHP Session code work differently on two servers

    - by williamsdb
    I have some code which works fine on one server but is giving a session header warning: Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent on another. I have checked the php.ini settings on the two servers and they are identical. I know that the warning message is supposed to suggest that something has been outputted before the session_start but what I don't understand is why the same code works on one server but not the other. Is there anything else that could be explaining it other than the php.ini settings?

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  • require_owner code to limit controller actions not recognizing current user as owner

    - by bgadoci
    I am trying to restrict access to certain actions using a before_filter which seems easy enough. Somehow the ApplicationController is not recognizing that the current_user is the owner of the user edit action. When I take the filter off the controller correctly routes the current_user to their edit view information. Here is the code. Link to call edit action from user controller (views/questions/index.html.erb): <%= link_to "Edit Profile", edit_user_path(:current) %> ApplicationController (I am only posting the code that I think is affecting this but can post the whole thing if needed). class ApplicationController < ActionController::Base def require_owner obj = instance_variable_get("@#{controller_name.singularize.camelize.underscore}") # LineItem becomes @line_item return true if current_user_is_owner?(obj) render_error_message("You must be the #{controller_name.singularize.camelize} owner to access this page", root_url) return false end end and the before_filter class UsersController < ApplicationController before_filter :require_owner, :only => [:edit, :update, :destroy] #... end I simply get the rendering of the error message from the ApplicationController#require_owner action.

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  • Explain a block of crazy JS code inside Sizzle(the CSS selector engine)

    - by Andy Li
    So, here is the function for pre-filtering "CHILD": function(match){ if ( match[1] === "nth" ) { // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6' var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" || !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]); // calculate the numbers (first)n+(last) including if they are negative match[2] = (test[1] + (test[2] || 1)) - 0; match[3] = test[3] - 0; } // TODO: Move to normal caching system match[0] = done++; return match; } The code is extracted from line 442-458 of sizzle.js. So, why is the line var test = ..., have the exec inputing a boolean? Or is that really a string? Can someone explain it by splitting it into a few more lines of code?

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  • Examples of ISO C++ code that is not valid C++/CLI

    - by Johannes Schaub - litb
    I've seen contradictory answers on the internet with regard to whether C++/CLI is a superset of C++ or not. The accepted answer on this question claims that "technically no", but doesn't provide an examples of non-C++/CLI code that conforms to ISO C++. Another answer on that question cites a book that says the opposite. So, can you please provide accurate answers with example code that fails on C++/CLI or cite a trusted source (MSDN for example) on this matter? I had someone this topic come up today and thought I would like to inform myself, but I didn't find any clear answer elsewhere!

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  • Cannot see response body in ie8 when response http status code is set to some error code(422)

    - by Deewendra Shrestha
    I am making a requset to a web service that sends custom error with proper HTTP header when I notice some validation error, this works fine in chrome and mozilla as things always do and then it broke in ie8 as it always does! After checking the network activity, I see that ie8 is not able to get response body when HTTP code is other that 200(or at-least it seems so). In groovy I am returning error like : render(status: 422, contentType: 'TEXT', text: ((errors as JSON) as String)) Is there a way I could somehow get ie8 to read in the response body, or as an alternative I might be able to set response header but before trying that I was wondering if you guys have already seen this issue and know a solution to it. Thanks, Dee

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  • Approaches for Error Code/Message Management in .NET

    - by WayneC
    Looking for suggestions/best practices on managing error codes and messages in a multi-tiered applications. Specifically things like: Where should error codes be defined? Enum? Class? How are error messages or further details associated with the error codes? resource files? attributes on enum values, etc.? If you have a multi-tier application consisting of DAL, BLL, UI, and Common projects for example, should there be a single giant list of codes for all tiers, or are the codes extensible by project/tier? Update: Important to mention that I can't rely solely on Exceptions and custom Exception types for error reporting, as some clients for this application will be via web services (SOAP & REST) Any suggestions welcome!

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  • Resuming execution of code after exception is thrown and caught

    - by dotnetdev
    Hi, How is it possible to resume code execution after an exception is thrown? For exampel, take the following code: namespace ConsoleApplication1 { class Test { public void s() { throw new NotSupportedException(); string @class = "" ; Console.WriteLine(@class); Console.ReadLine(); } } class Program { static void Main(string[] args) { try { new Test().s(); } catch (ArgumentException x) { } catch (Exception ex) { } } } } After catching the exception when stepping through, the program will stop running. How can I still carry on execution? Thanks

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  • Code in Global.asax prevents webpage from loading

    - by pete the pagan-gerbil
    I've made a static class to hold a number of configuration values (and also swap these values out in unit tests). If I initialise it in the Global.asax, the code runs correctly but the page doesn't load at all, and trying to navigate to a specific page fails. I can't initialise the values in a constructor or inline on the field declarations, because I need to be able to swap the values out in unit tests before the web.config is interrogated. Basically, putting the one line "ConfigClass.SetValues()" in the Global.asax prevents the app from loading correctly (although, as I say, it runs the code fine) and removing it again makes the app load properly - but without the class values initialised. As an aside, I'm sure I had this working correctly and being initialised in the Global.asax yesterday. I'm positive I didn't take any action to change or break it... Does anyone have advice on how I might track down what's going on here? Was I mistaken that it worked before (always possible) and that I need to go back and redesign something?

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  • Algorithm to split an article without breaking the reading flow or HTML code

    - by Victor Stanciu
    Hello, I have a very large database of articles, of varying lengths. The articles have HTML elements in them. I have to insert some ads (simple <script> elements) in the body of each article when it is displayed (I know, I hate ads that interrupt my reading too). Now, the problem is that each ad must be inserted at about the same position in each article. The simplest solution is to simply split the article on a fixed number of characters (without breaking words), and insert the ad code. This, however, runs the risk of inserting the ad in the middle of a HTML tag. I could go the regex way, but I was thinking about the following solution, using JS: Establish a character count threshold. For example, "the add should be inserted at about 200 words" Set accepted deviations in each direction, say -20, +20 characters. Loop through each text node inside the article, and while doing so, keep count of the total number of characters so far Once the count exceeds the threshold, make the following decision: 4.1. If count exceeds the threshold by a value lower that the positive accepted deviation (for example, 17 characters), insert the ad code just after the current text node. 4.2. If the count is greater than the sum of the threshold and the deviation, roll back to the previous text node, and make the same decision, only this time use the previous count and check if it's lower than the difference between the threshold and the deviation, and if not, insert the ad between the current node and the previous one. 4.3. If the 4.1 and 4.2 fail (which means that the previous node reached a too low character count and the current node a too high one), insert the ad after whatever character count is needed inside the current element. I know it's convoluted, but it's the first thing out of my mind and it has the advantage that, by trying to insert the ad between text nodes, perhaps it will not break the flow of the article as bad as it would if I would just stick it in (like the final 4.3 case) Here is some pseudo-code I put together, I don't trust my english-explaining skills: threshold = 200 deviation = 20 current_count = 0 for each node in article_nodes { previous_count = current_count current_count = current_count + node.length if current_count < threshold { continue // next interation } if current_count > threshold + deviation { if previous_count < threshdold - deviation { // insert ad in current node } else { // insert ad between the current and previous nodes } } else { // insert ad after the current node } break; } Am I over-complicating stuff, or am I missing a simpler, more elegant solution?

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  • Where is the probem in this code (javascript)?

    - by user318068
    Hi I have a problem in my code. can anybody help me ... <html> <body> <script type="text/javascript"> <?php $conn = mysql_connect("localhost","root"); mysql_select_db("tr", $conn); $q = mysql_query("SELECT message FROM messages WHERE to_viewed = '0' "); if (mysql_num_rows($q)) { require('pm.php'); ?> var answer = confirm("you have new message "); <?php } ?> if (answer) { window.location = "http:>>>/"; } else { } //--> </script> </body> </html> Thanks .... The error that appears in my code is that the confirm is not working if I open my page (no output)

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  • Python 2.6 and 3.1.1, earlier version compatibility

    - by Todd
    I ordered three books to start teaching myself Python - a beginning programming book, a computer science book that uses Python for all of its code references, and a book on Python network programming. Unfortunately, I was a little too quick on ordering them, because I hadn't noticed the version differences. The beginner book is for python 3.1, the CS book is Python 2.3, and the last is Python 2.6. The CS book is also oriented towards beginners. My question is, will the different versions be too different at this level for me to effectively use all three, or will I likely be able to get by learning from the 3.1 beginners book and then sort of teach myself from the 2.3 CS book, and be able to comprehend 2.6 code? That probably didn't make sense. I hope it did.

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  • How to Run NUnit Tests from C# Code

    - by Dror Helper
    I'm trying to write a simple method that receives a file and runs it using NUnit. The code I managed to build using NUnit's source does not work: if(openFileDialog1.ShowDialog() != DialogResult.OK) { return; } var builder = new TestSuiteBuilder(); var testPackage = new TestPackage(openFileDialog1.FileName); var directoryName = Path.GetDirectoryName(openFileDialog1.FileName); testPackage.BasePath = directoryName; var suite = builder.Build(testPackage); TestResult result = suite.Run(new NullListener(), TestFilter.Empty); The problem is that I keep getting an exception thrown by builder.Build stating that the assembly was not found. What am I missing? Is there some other way to run the test from the code (without using Process.Start)?

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  • IntelliJ doesn't seem to pickup certain sbt libraries, no code completion

    - by Blankman
    I am using sbt console in my terminal to compile my scala/play project. I am using intellij to edit my source code, basically using it just for getting some code completion and navigation etc. For some reason certain libraries don't seem to load correctly. For example, I added elastic search to my Dependancies.scala file, reloaded sbt and everything compiles fine but for some reason IntelliJ doesn't pickup the jars correctly i.e. they are in red and there is no syntax completion. How can I fix this? I tried shutting intellij down and restarting it but the problem remains. I am using Intelli 13.1.3 (ultimate)

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  • Code snippets in interview

    - by Maddy
    Hi All, Recently I went to an interview for a C development position. Instead of asking me questions, they just gave me 20 code snippets to find out two logical errors on each one. I just couldn't complete all of the 20 since it took me time to go through each of these code snippets. My question is: Is this the right way to judge a candidate? If yes, how can I improve over my error detection skills so that I don't need to waste a lot of time in the next interview? If possible, please, suggest me some links where I could find lots of samples of such questions (mainly in C). Thanks and regards, Maddy

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  • code duplication in sql case statements

    - by NS
    Hi I'm trying to output something like the following but am finding that there is a lot of code duplication going on. | australian_has_itch | kiwi_has_itch | | yes | no | | no | n/a | | n/a | no | ... My query looks like this with two case statements that do the same thing but flip the country (my real query has 5 of these case statements): SELECT CASE WHEN NOT EXISTS ( SELECT person_id FROM people_with_skin WHERE people_with_skin.person_id = people.person_id AND people.country = "Australia" ) THEN 'N/A' WHEN EXISTS ( SELECT person_id FROM itch_none_to_report WHERE people.country = "Australia" AND person_id = people.person_id ) THEN 'None to report' WHEN EXISTS ( SELECT person_id FROM itchy_people WHERE people.country = "Australia" AND person_id = people.person_id ) THEN 'Yes' ELSE 'No' END australian_has_itch, CASE WHEN NOT EXISTS ( SELECT person_id FROM people_with_skin WHERE people_with_skin.person_id = people.person_id AND people.country = "NZ" ) THEN 'N/A' WHEN EXISTS ( SELECT person_id FROM itch_none_to_report WHERE people.country = "NZ" AND person_id = people.person_id ) THEN 'None to report' WHEN EXISTS ( SELECT person_id FROM itchy_people WHERE people.country = "NZ" AND person_id = people.person_id ) THEN 'Yes' ELSE 'No' END kiwi_has_itch, FROM people Is there a way for me to condense this somehow and not have so much code duplication? Thanks!

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  • PHP code in Drupal 6

    - by abhishekgupta92
    A very standard example of the problem that I am facing is that of a custom content say blog type. Now there is a view namely "My Blog Posts". In that view i take the argument as User:uid. Now, for the link part i simply write the code below: global $user; and send $user-uid as the argument to User:Uid. This give me link for "My Blog Posts" or the blog posts of the logged-in user What I want is a view like "His Blog Posts". So, if i visit the profile of some other user. There should be a tab in his profile "Blog Posts by Me". So for that i need to have the UID of the user whose profile I am visiting. So, how can I get this parameter from URL of his profile or somevhere else.

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  • Passing an array for setting variable

    - by mathk
    Hi, I often see this idiom when reading php code: public function __construct($config) { if (array_key_exists('options', $config)) { ... } if (array_key_exists('driver_options', $config)) { ... } } Here I am concern with the way the parameter is used. If I were in lisp I would do: (defun ct (&key options driver_options) (do-something-with-option-and-driver_option)) But since I am in PHP I would rather have a constructor that take a list of parameter and let them be null if there a not require. So what do you guys think about having an array as parameter in other to do some initialization-or-whatever? In other to answer you have to take in account the point of view of the user of the function and the designer of the API. Also have you ever heard this has a code-smell? thanks

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  • PHP code cannot see query string param on return in Facebook oAuth flow

    - by TMC
    I am doing some integration with Facebook Open Graph using their oAuth flow and having issues with parsing query string parameters they return. On my callback URL, they pass back an "access_token" parameter with a hash (#). so the callback would be: http://mydomain.com/callback.php#access_token=foobar123 where foobar123 is my access token I'm trying to parse out. However, no matter what I do, my PHP code cannot see if and I've done every debug trick I know (even using phpinfo() to go through everything). The URL is stated only as http://mydomain.com/callback.php. It's as if the rest of the URL isn't really there! This code returns nothing: $token = $_REQUEST['access_token']; Any help would be greatly appreciated... I'm obviously missing something simple.

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  • newline character on text area

    - by Prady
    I have a custom field called Current_Address__c which is of datatype textarea. I need to populate this field in the format below. ie a newline char after street and another newline after zip. street City state Zip Country The values of city state zip country etc are been taken from contact object. I dont want to use this as a formula field. So i need to populate it in my controller and display it on my VF page. I am trying to add a newline char by using the code below this.customobj.Current_Address__c = currentStreet + '\\n ' + currentCity + ' ' + currentState + ' ' + currentZIP + '\\n ' + currentCountry ; i had also used \n instead of \n. It still show the field in one line instead of 3 lines

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  • Code to find nth largest number in an array

    - by user136104
    I have written following code in perl #!/usr/bin/perl @array = (3,6,8,1,2); my $second_largest = 0; my $largest = 0; for (@array) { if($_ > $largest) { $second_largest = $largest; $largest = $_; } if($_ > $second_largest && $_ < $largest) { $second_largest = $_; } } print "Second largest::".$second_largest; print "largest::".$largest; But I need a general code to find out "Nth" largest and smallest number of an array Please help me

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