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  • Looking for a few good C# interview problems.

    - by AngryHacker
    I do not want to ask candidates questions, but rather give them several problems to resolve. The reason for this is that I've seen people be excellent with theory, but when confronted by a real world c# issue, just couldn't hack it. These c# problems should be simple enough that it won't take more than 5-20 minutes to resolve, yet complicated enough that I'd be able to weed out candidates that can't code. Right now, I typically ask the applications to reverse a string and remove duplicates from a List. This alone weeds out a large number of people. Any other examples I could use?

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  • Changing UITableViewCell height on a grouped cell doesn't look good

    - by Sheehan Alam
    I have a UITableView with 3 sections. In the first section I have 2 grouped cells. I am modifying the first cell to be larger than the second. Though the first cell resizes, it seems to mess up the cell below it. How can I resolve this? - (CGFloat)tableView:(UITableView *)tblView heightForRowAtIndexPath:(NSIndexPath *)indexPath { CGFloat rowHeight; if(indexPath.section == kBioSection) { switch(indexPath.row) { case kBioSectionDescriptionRow: rowHeight = 100; break; } } else { rowHeight = 50; } return rowHeight; }

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  • A good Java library for network math

    - by perilandmishap
    I'm looking for a Java library that is geared towards network math and already tested. Nothing particularly fancy, just something to hold ips and subnets, and do things like print a subnet mask or calculate whether an IP is within a given subnet. Should I roll my own, or is there already a robust library for this?

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  • What's a good way to integrate FB and Twitter into my commenting system (PHP)

    - by Jason
    Hi Guys, There are so many options out there for integration. At the moment I have comments that are posted on my articles, where a user types in their name and the comment. This is then sent to a moderation queue and displayed when approved. I want to acheive this: Comment with facebook login (ie facebook account listed as the name w/ avatar) Comment with twitter login (ie twitter account name listed as the name w/ avatar) Push comment from my website to twitter and to facebook I could go down a few paths as far as I know: Integrate with XFBML, which I don't like because I find it annoying to setup and messy. Integrate facebook comments system, although this can't push to twitter, or allow me to moderate comments from my backend (as far as I can tell i'd have to login under the facebook login for the dev account to moderate the comment) Find a php class that does open auth and integrate with both face book and twitter at once find a pre-created php class Anyone have a solution that will bias: a. easy to integrate b. lightweight c. is free Thanks for your suggestions in advance.

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  • ul/li to table (with good styling)

    - by user584018
    I have ONLY one <UL> and under that we have group of <LI> <ul> <li>1<li> <li>2<li> <li>3</li> <li>4<li> </ul> now I wanted to show them as TABLE, please help me with CSS, how can we show as a TABLE for above UL/LI in below table format, 2 LI set in one TR (two TD) and so on.... <html> <table border="1"> <thead> <th>col1</th><th>col1</th> </thead> <tr><td>1</td><td>2</td></tr> <tr><td>3</td><td>4</td></tr> </table> </html>

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  • Is there a good GUI SVN app for Mac (better than XCode)

    - by Lawrence Johnston
    Hey everybody, I'm looking for a more robust and fully featured GUI SVN manager for Mac than what is built into XCode (which works, but only as long as you don't need anything beyond the bare basics and doesn't work for versioning scripts and such created in other editors). I can use the terminal commands, but I'd really like the option of using a GUI. On windows I use TortoiseSVN and Visual SVN, which do pretty much everything I need, but as far as I'm aware there's nothing even remotely resembling those on the Mac side.

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  • Writing A Good C# Equals Method

    - by ChloeRadshaw
    Does anyone have a template for writing a decent equals method - I remember in Effective Java there was problems around handling equals when dealing with subclasses. I dont have the book with me and I cannot remember if it was practical advice - So how do you write a solid robust equals method implementation?

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  • Are instance initializers good or bad?

    - by berry120
    I personally quite like instance initializers - I use them to assign default values to things such as collections so when writing constructors I don't have to remember to assign them the same default values each time. It seems quite elegant to me - avoids annoying NPE's popping up and avoids duplicate code. A private method doesn't seem as nice because a) it can't assign values to final fields, b) it could be run elsewhere in code and c) the method still needs to be explicitly called at the start of each constructor. However, the flip side with others I have spoken to is that they're confusing, some people reading the code might not understand what they do or when they're called and thus they could cause more problems than they solve. Are proper use of these initializers something to be encouraged or avoided? Or is it an "each to their own" case?

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  • good practice for string.partition in python

    - by user1544915
    some case i write code like these: a,temp,b = s.partition('-') i just need to pick the first and 3rd element. temp would never be used. is there a better way to do this? the common case is ,a better way to pick separted element to make a new list? for example i want to make a new list use old list 0,1,3,7 element code would be this: newlist = [oldlist[0],oldlist[1],oldlist[3],oldlist[7]] it's pretty ugly,isn't it?

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  • Good Form for Random Number Generator?

    - by JackCJR
    I wanted to get a few opinions on doing a random number generator. I read through a couple different ways to do it and this is the way that I created after doing a little reading. Is it acceptable form? Any foreseeable issues? function master(){ function generate(){ var pickFrom= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; var j = pickFrom.length; var i = Math.floor(Math.random()*j+1); //Generates a random number var code = pickFrom.charAt(i) //Picks a number based on what number was picked. document.write(code) } x = 1; while(x){ generate(); x--; } } master();

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  • Creating a good search solution

    - by Daniel
    I have an app where users have a role,a username,faculty and so on.When I'm looking for a list of users by their role or faculty or anything they have in common I can call (among others possible) @users = User.find_by_role(params[:role]) #or @users = User.find_by_shift(params[:shift]) So it keeps the system Class.find_by_property So the question is: What if at different points users lists should be generated based on different properties.I mean: I'm passing from different links params[:role] or params[:faculty] or params[:department] to my list action in my users controller.As I see it all has to be in that action,but which parameter should the search be made by?

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  • Which is the good way to update object in EF6

    - by TrieuH
    I have searched and find 2 way to update object in EF var attachedEntity = _context.EntityClasses.Local.First(t => t.Id == entity.Id); //We have it in the context, need to update. if (attachedEntity != null) { var attachedEntry = _context.Entry(attachedEntity); attachedEntry.CurrentValues.SetValues(entity); } else { ////If it's not found locally, we can attach it by setting state to modified. ////This would result in a SQL update statement for all fields ////when SaveChanges is called. var entry = _context.Entry(entity); entry.State = EntityState.Modified; } _context.SaveChanges(); And other way is seem more easy var entity = _context.EntityClasses.FirstOrDefault(t => t.Id == entity.Id); _context.Entry(entity ).EntityState.Modified _context.SaveChanges(); What is best way to update object? NOTE: the performence is importance with me

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  • Can you use programming for a greater good? [closed]

    - by jdoig
    What are the paths one could take to use their programming skills to benefit mankind (good causes, scientific or medical advancement, etc)? Problem: I dropped out of school, learnt programming, on my own, from text books and the internet. I have 7+ years of commercial experience from web applications to big data to mobile apps. But all I seem to do is make rich people richer with the vain hope that one day I'll be the guy with the good idea using other people to make myself richer. I googled for simular posts on the subject and saw a lot of people saying... "Just do your 9-5 job and donate a lot to charity"... I'm sorry to sound selfish but thats not what makes me tick; I need to be invested in and excited about the project at hand; it's not only got to be for a greater good but it's got to kick arse and feel good doing it too... Does that kind of job exist? Does it involve programming? What other skills do I need? (Apologies if this question is too 'fluffy' or 'wishy-washy', but if it is a pointer to where else I could ask it would be appreciated)

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  • Good resources for learning modern OpenGL (3.0 or later)?

    - by MatterGoal
    I stumble upon the search of a good resource to start with OpenGL (3.0 or later) . Well, I found a lot of books but none of them can be considered a good resource! Here two examples: OpenGL Programming Guide (7th edition) http://www.amazon.com/exec/obidos/ASIN/0321552628/khongrou-20 This is FULL of deprecated material! Almost every chapters begin with a note about that. OpenGL Superbible (5th Edition) http://www.amazon.com/exec/obidos/ASIN/0321712617/khongrou-20 This book uses a library created by the author to explain the main arguments, hiding what you want to learn! I don't want to learn how to use your library! I want to learn OpenGL! I hope that you understand this is not the same question like "hey I'm not able to use Google... tell me how to learn OpenGL". I've just finished a full and deep search but I can't find a good and complete resource to learn the "new" OpenGL avoiding deprecated topics. Can someone heading me in the right direction? I know C++ and I have 10 years of experience in development... where I can find a good resource?! I want to spend time on it and I want to learn deeply. (please feel free to edit my question, my English is terrible!)

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  • Array.BinarySearch does not find item using IComparable

    - by Sir Psycho
    If a binary search requires an array to be sorted before hand, why does the following code work? string[] strings = new[] { "z", "a", "y", "e", "v", "u" }; int pos = Array.BinarySearch(strings, "Y", StringComparer.OrdinalIgnoreCase); Console.WriteLine(pos); And why does this code result return -1? public class Person : IComparable<Person> { public string Name { get; set; } public int Age { get; set; } public int CompareTo(Person other) { return this.Age.CompareTo(other.Age) + this.Name.CompareTo(other.Name); } } var people = new[] { new Person { Age=5,Name="Tom"}, new Person { Age=1,Name="Tom"}, new Person { Age=2,Name="Tom"}, new Person { Age=1,Name="John"}, new Person { Age=1,Name="Bob"}, }; var s = new Person { Age = 1, Name = "Tom" }; // returns -1 Console.WriteLine( Array.BinarySearch(people, s) );

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