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• Are GUIDs the ultimate ID?

  - by mafutrct

  I noticed some people don't bother having the usual incremented number as ID but instead simply generate a GUID. The advantages include: Quick and easy No need to keep track of previous IDs Guaranteed to be unique even across machines without knowledge of each other Some disadvantages are: Possibly performance bottleneck Uses a large number of bytes My understanding is that using a GUID is beneficial in most cases, except if optimization for time or space is an issue. Did I miss something? Or do you agree with this idea?

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• Write number N in basis M

  - by VaioIsBorn

  I know how to do it mathematically, but i want it now to do it in c++ using some easy algorithm. Is is possible ? The question is that i need some methods/ideas for writing a number N in basis M, for ex. 14 in basis 3 = 2*(3^0) + 1*(3^1) + 1*(3^2) etc.

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• Y-value on bar graph in gnuplot?

  - by mary

  Can I get gnuplot to display the exact y-value or height of a data point (plotted using "with boxes") over its bar? I would like the plot to be easy to read so nobody has to line up the top of a bar with the y-axis and guess what the value is.

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• Authlogic remember_me on signup

  - by Lee

  We want to have remember_me enabled when the user signs up. When logging in its really easy to do this, how do to we do this on signup though, as we're literally only creating a User object?

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• C++ like iterators in python?

  - by uberjumper

  This might be a really dumb question, however i've looked around online, etc. And have not seen a solid answer. What i was wondering, is there a simple way to do something like this? lines = open('something.txt', 'r').readlines() for line in lines: if line == '!': # force iteration forward twice line.next().next() <etc> Is there an easy way to do that in python?

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• Android: DOM-Model to XML

  - by poeschlorn

  Hey Guys, analogue to this one (http://stackoverflow.com/questions/2788345/replacing-xml-in-file-from-document-in-java or http://www.exampledepot.com/egs/javax.xml.transform/WriteDom.html) I try to use it under Android... The problem is, that I can't use the suggested solution under android, because it throws java.lang.verifyError... After reading a little bit, I found out, that the class that was used to store the data to file, is not usable in android... can you suggest another solution, which is similar easy to use?

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• database schema explanation of the cakedc tags plugin

  - by Gaurav Sharma

  Hello everyone, I found an awesome tags plugin on cakedc site. This plugin makes your tagging concerns very easy and is able to make anything taggable. Has anyone used it? I find it a bit difficult to understand few things listed below: difference between the name and keyname columns of the tags table. the use of columns 'identifier', 'weight' in tags table Thanks

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• Copy string - Python

  - by Francisco Aleixo

  Ok guys I imagine this is easy but I can't seem to find how to copy a string. Simply COPY to the system like CTRL+C on a text. Basically I want to copy a string so I can for example, lets say, paste(ctrl+v). Sorry for such a trivial question, haha.

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• Error in Django set up

  - by ahkeno

  How can I set up Django in Window Xp and Ubuntu OS I finished the step for connection with Database and some problem with connect to admin.. I do it from reading ebook and do it..So there is any easy steps for me.. Please share all idea.

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• trying to figure out how to send multiple file attachments with sp_send_dbmail

  - by Beta033

  MSSQL 2008 Maybe i'm just looking in the wrong place. Here's the scenario: We have files stored in a varbinary(max) column. I'd like to select these as individual files, along with the names of the files stored nearby, as individual file attachments. can this be done? it's easy enough to send the results of a query as an attachment, but it just sends 1 file. Thanks

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• process tree

  - by Robert

  I'm looking for an easy way to find the process tree (as shown by tools like Process Explorer), in C# or other .Net language. It would also be useful to find the command-line arguments of another process (the StartInfo on System.Diagnostics.Process seems invalid for process other than the current process). I think these things can only be done by invoking the win32 api, but I'd be happy to be proved wrong. Thanks! Robert

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• Questions on about TDD or unit testing in ASP.NET MVC

  - by Diego

  I've been searching on how to do Unit testing and find thats is quite easy, but, what I want to know is, In a asp.net mvc application, what should be REALLY important to test and which methods you guys use? I just can't find a clear answer on about WHAT TO REALLY TEST when programming unit tests. I just don't want to make unecessary tests and loose developement time doing overkill tests.

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• How to determine if an OS X dylib was linked with -flat_namespace

  - by Josh Knauer

  I have a third party OS X dylib that I'm using in my app and don't have easy access to its creator. I'd like to determine if it was linked with -flat_namespace. Is that possible? If so, how?

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• Inheriting list item permissions via permissions on lookup field item

  - by Dan Sydner

  Say you have two lists in Sharepoint, let's call them "house" and "region". Each house is assigned to a region via a lookup field. List item permissions are set on regions. Now I want the users only to only see the houses which belong to the regions they have read access to. I reckon it should be relatively simple I see no easy way of doing this. Am I over looking something.

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• ATG & Flex via AMF?

  - by Steven Killingbeck

  How easy might it be to build a front end with flex, and have ATG as the backend and do all communication / integration via AMF, using BlazeDS or Live Cycle Data Services? Thanks!

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• Migrate from Sourceforge to Github

  - by Matthew Talbert

  I'm thinking about migrating a project from Sourceforge to Github. Besides the svn to git, what about migrating things like the issue tracker? Is there an easy way to do that?

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• Searching a 25 GB corpus for a single word

  - by Algorist

  Hi, I have to search a 25 GB corpus of wikipedia for a single word. I used grep but it takes lot of time. Is there a efficient and easy representation that can be made to search quickly. Also, I want to find exact match. Thank you.

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• Mercurial API and Extensions ressources

  - by Sly

  I want to write extensions for Mercurial. What are good resources such as tutorials, guides, API reference or maybe even a existing extension that is well commented and easy to lean from the source. So far, I have only found the short MercurialApi and WritingExtensions wiki pages.

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• TicTacToe AI Making Incorrect Decisions

  - by Chris Douglass

  A little background: as a way to learn multinode trees in C++, I decided to generate all possible TicTacToe boards and store them in a tree such that the branch beginning at a node are all boards that can follow from that node, and the children of a node are boards that follow in one move. After that, I thought it would be fun to write an AI to play TicTacToe using that tree as a decision tree. TTT is a solvable problem where a perfect player will never lose, so it seemed an easy AI to code for my first time trying an AI. Now when I first implemented the AI, I went back and added two fields to each node upon generation: the # of times X will win & the # of times O will win in all children below that node. I figured the best solution was to simply have my AI on each move choose and go down the subtree where it wins the most times. Then I discovered that while it plays perfect most of the time, I found ways where I could beat it. It wasn't a problem with my code, simply a problem with the way I had the AI choose it's path. Then I decided to have it choose the tree with either the maximum wins for the computer or the maximum losses for the human, whichever was more. This made it perform BETTER, but still not perfect. I could still beat it. So I have two ideas and I'm hoping for input on which is better: 1) Instead of maximizing the wins or losses, instead I could assign values of 1 for a win, 0 for a draw, and -1 for a loss. Then choosing the tree with the highest value will be the best move because that next node can't be a move that results in a loss. It's an easy change in the board generation, but it retains the same search space and memory usage. Or... 2) During board generation, if there is a board such that either X or O will win in their next move, only the child that prevents that win will be generated. No other child nodes will be considered, and then generation will proceed as normal after that. It shrinks the size of the tree, but then I have to implement an algorithm to determine if there is a one move win and I think that can only be done in linear time (making board generation a lot slower I think?) Which is better, or is there an even better solution?

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• MainMenu with Images (WinForms, C#)

  - by j-t-s

  Hi All I have a MainMenu in my app and I would like to have little icons relevant to the Item in each menu. But the MainMenu control does not support this. I would use the MenuStrip control, though that is a pretty ugly option in my opinion. Does anybody have any suggestions? Are there any free/open source alt's out there, or would it be easy/possible to implement that feature into the existing MainMenu control? Thanks

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• Show Diff of two trees in Eclipse

  - by ericbodden

  In Eclipse, I am using a TreeViewer to show a custom tree, whose contents are drawn from an ITreeContentProvider. Now I am trying to create a second view that allows me to automatically show a two-way comparisons of two such trees. I found various views for textual comparison within Eclipse, but I could not find an easy way to show the structural differences between two arbitrary trees. Any thoughts?

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• Get all but first from an array

  - by Stacey

  Is there a one-line easy linq expression to just get everything from a simple array except the first element? for (int i = 1; i <= contents.Length - 1; i++) Message += contents[i]; I just wanted to see if it was easier to condense.

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• django forms- register user script

  - by itsandy

  Hi all, I want to make something like http://www.djangosnippets.org/accounts/register/ using django..the register form. I am new to django. i have made a simple view form using django forms but unable o understand how to connect my form to a database. Im using postgresql. is there an easy way to use some snippet or script to achieve this. Please Help

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• Extract Rules from InfoPath Form

  - by marr75

  Is there a way to automatically grab the rules, in their original, human readable format from an InfoPath 2007 form (probably the manifest.xsf file, they're not human readable here)? A commercial tool would be fine, even. We're looking to build a summary of the rules as they appear in the design form for easy browsing by a maintenance team.

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• Using PyLab to create a 2D graph from two separate lists

  - by user324333

  Hey Guys, This seems like a basic problem with an easy answer but I simply cannot figure it out no matter how much I try. I am trying to create a line graph based on two lists. For my x-axis, I want my list to be a set of strings. x_axis_list = ["Jan-06","Jul-06","Jan-07","Jul-07","Jan-08"] y_axis_list = [5,7,6,8,9] Any suggestions on how to best graph these items?

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