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• Why should I Use ASP.NET Membership security model?

  - by ListenToRick

  I'm updating my website at the moment and figure that if I am to update my login/security mode, now is a good time. I have looked through the Membership model which is included in ASP.NET but I'm convinced that it will provide any benefit apart from being familiar to other .NET deevlopers. There seems to be quite a lot of documentation for it, but little discussion for why its worth the effort. Can anybody shed some light upon this?

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• regular expression of 0's and 1's

  - by Lopa

  Hello all I got this question which asks me to figure out why is it foolish to write a regular expression for the language that consists of strings of 0's and 1's that are palindromes( they read the same backwards and forwards). part 2 of the question says using any formal mechanism of your choice, show how it is possible to express the language that consists of strings of 0's and 1's that are palindromes?

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• Regex age verification

  - by KevinDeus

  Anyone have a good regex for Age verification? I have a date field where I am validating that what the user enters is a date. basically I wanted to figure out if that date is valid, and then further refine the date to be within x number of years Perhaps this may be too complicated to tack onto whatever I have too far, but I figured it wouldn't be. ^([1][012]|[0]?[1-9])[/-]([3][01]|[12]\d|[0]?[1-9])[/-](\d{4}|\d{2})$

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• How to cherry pick a range of commits and merge into another branch

  - by crazybyte

  Hi, I have the following repository layout: master branch (production) integration working What I want to achieve is to cherry pick a range of commits from the working branch and merge it into the integration branch. I pretty new to git and I can't figure out how to exactly do this (the cherry picking of commit ranges in one operation not the merging) without messing the repository up. Any pointers or thoughts on this? Thanks!

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• Finding the nth number of primes

  - by Braxton Smith

  I can not figure out why this won't work. Please help me from math import sqrt pN = 0 numPrimes = 0 num = 1 def checkPrime(x): '''Check\'s whether a number is a prime or not''' prime = True if(x==2): prime = True elif(x%2==0): prime=False else: root=int(sqrt(x)) for i in range(3,root,2): if(x%i==0): prime=False break return prime n = int(input("Find n number of primes. N being:")) while( numPrimes != n ): if( checkPrime( num ) == True ): numPrimes += 1 pN = num print("{0}: {1}".format(numPrimes,pN)) num += 1 print("Prime {0} is: {1}".format(n,pN))

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• Which comm ports exist? Win32

  - by myforwik

  On win32, using winapi, is there anyway to know which comports (from com0 upwards) actually exist as devices? At the moment I am just attemping to open them all (0 to 9), but I can't figure out the difference of failure between one not existing, and one not simply being available for use because someone else is using it. Both situations seem to return the same last error, so I was wondering if I could list all the comports available on the system.

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• How to draw a graph in LaTeX?

  - by Amir Rachum

  First of all, let me say I'm using LyX, though I have no problem using ERT. Secondly, what is the most simplest way to draw a simple graph like this in Latex? I've seen some documents with graphs and I've seen some examples, but I couldn't figure out how to just draw a simple graph - what packages do I need, etc?

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• strcasecmp in C returns 156 instead of 0, any ideas why?

  - by hora

  I have the following code: printf("num: %d\n", strcasecmp(buf, "h\n")); And I get the following results when I try plugging in different letters: a: -7 g: -1 i: 1 j: 2 h: 156 H: 156 Should strcasecmp not return 0 when buf is equal to H or h? Any ideas why it's returning 156? I need to figure out how to check whether the user types H or h. Thanks!

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• how do i reach apache on a vitualbox machine

  - by vasion

  I am trying to run a virtual LAMP machine on my windows 7 for dev purposes. But i cant figure out how to reach the apache from the host windows 7 system. I did an ifconfig and tried the ipaddress, but to no avail.

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• How do I get the scalaz IDEA live templates working for the symbolic methods?

  - by oxbow_lakes

  Many of the methods in scalaz have symbolic equivalents, such as forever and 8 (of course, I have this the wrong way round, the symbolic methods really have ASCII equivalents). The project contains a live templates XML file for IDEA so these can be auto-completed, I believe by using the forever+TAB shortcut (in the above instance). I can't figure out how to import this live template into IDEA and actually use it, though. How can I do that?

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• Registering a Named Function as a Listener with Jquery

  - by Marcus

  I'm new to javascript/jquery and I've done some poking around the web, but I can't figure out why the following is invalid: var toggleSection = function(sectionName) { // Do some Jquery work to toggle stuff based on sectionName string // (concatenate sectionName with other text to form selectors) }; $('#togglecont1').click(toggleSection("container1")); Is there something obvious I'm missing? Thanks in advance.

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• Is there an alias for the local machine name in the Windows 7 login screen?

  - by Mikael

  We have many computers connected to a AD. The computers names is auto generated. When I want to log in using a local account, I have to figure out what the computer's name is, and log in using the following syntax: [COMPUTER_NAME]\local_account Now I'm wondering if there is an alias that I can use instead? So instead of logging in using NB-aw35sdds\local_account, I can use something like localhost\local_account.

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• Determining a transaction fee before an order is processed

  - by Kenji Crosland

  When users make credit card transactions on my web app, I'd like to include the transaction fee on the confirmation page before the user makes the order. The thing is, there are different transaction fees for different cards. Is there a way to determine a transaction fee from the card number? I'm using Rails and ActiveMerchant, but I figure this question was applicable to other languages as well.

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• Using HTTP Pipelining with Jetty HTTPClient

  - by jrogi

  I'm trying to figure out how to use HTTPClient (org.eclipse.jetty.client.HttpClient) so it will pipeline HTTP Request. I've tried to create some HttpExchange instances and applying the send() method for each, in an asynchronous mode, but each HTTP request has waited for it response before the next request was sent. Can you please supply a code snippet for this case?

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• How can I erase the old data from logcat?

  - by DJTripleThreat

  when I run the command adb logcat while running the android emulator, all of the old logs blow past and so I figure they are stored in a file somewhere. Is there a command I can run to clear the logs and start fresh? If not, is there some other way to do this?

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• determine pid of terminated process

  - by Hristo

  I'm trying to figure out what the pid is of a process that sent the SIGCHLD signal, and I want to do this in a signal handler I created for SIGCHLD. How would I do this? I'm trying: int pid = waitpid(-1, NULL, WNOHANG); .. because I want to wait for any child process that is spawned. Thanks, Hristo

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• An interview question on conditional operator

  - by nthrgeek

  I recently encountered with this question: How to reduce this expression: s73?61:60;. The hint given was that Instead of using conditional operator we could use a simple comparison which will work fine. I am not sure but I think it is possible with some GCC extension,although I am unable to figure it out myself. EDIT:The whole expression is this : s-=s73?61:60

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• Access denied when starting SQL Server Express from command line

  - by Brettski

  Windows 7 computer running SQL Server Express 2008 (sp1). When I try to run net start mssql$sqlexpress I receive an error: System error 5 has occurred. Access is denied The SQL service is running under "Network Service" account The service starts fine if I use the services window. Could somebody help me figure out why I am receiving this error?

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• Sorting Listbox in Silverlight (Sketchflow)

  - by gnitez

  I have a Listbox with multiple columns and bound to a data source (XML) as shown below. <ListBox x:Name="lstBox1" Background="#FFC5EFFD" Margin="7,50,10,15" ItemTemplate="{StaticResource ItemsPanelTemplate1}" ItemsSource="{Binding BPICollection}" BorderThickness="0"/> I'm trying to figure out how to sort a particular column in the listbox.

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• Error: Class 'Haml' not found... trying to use Haml (Kohaml) with Kohana

  - by Serhiy

  Can't for the life of me figure out what I'm doing wrong... Downloaded Kohaml from http://github.com/transphorm/kohaml Dropped it into modules/kohaml # My Bootstrap reference 'kohaml' => MODPATH.'kohaml', // kohaml Keep getting this error... (snapshot of the error and my modules folder) http://wellcommentedcode.com/stack_kohaml_question/ Any suggestions on what I might be doing wrong would be highly appreciated... thanks.

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• How to wrap Java String.format()?

  - by BlinK_

  Hey everyone, I would like to wrap the String.format() method with in my own Logger class. I can't figure a way how to pass arguments from my method to String.format(). public class Logger { public static void format(String format, Object... args) { print(String.format(format, args)); // <-- this gives an error obviously. } public static void print(String s) { System.out.println(s); } }

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• how does a non-blocking event loop work?

  - by aharon

  Twisted has a "non-blocking" event loop. I understand what a blocking event loop does (sort of, from the Wikipedia page) but can't figure out how a non-blocking one does.

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• Overriding previously set float using javascript in ie

  - by wheresrhys

  I've read this question to figure out how to set float:none on an element which already has float:right set with class. I used element.style.cssFloat = "none", but this just added a new style property cssFloat which didn't over-ride the existing float:right. I've now fixed it using the adding/removing classes method. But is there a way of over-riding existing float rules in ie without having to use classes?

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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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• Big O, how do you calculate/approximate it?

  - by Sven

  Most people with a degree in CS will certainly know what Big O stands for. It helps us to measure how (in)efficient an algorithm really is and if you know in what category the problem you are trying to solve lays in you can figure out if it is still possible to squeeze out that little extra performance.* But I'm curious, how do you calculate or approximate the complexity of your algorithms? *: but as they say, don't overdo it, premature optimization is the root of all evil, and optimization without a justified cause should deserve that name as well.

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