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• SQL hidden techniques?

  - by AlexRednic

  What are those pro/subtle techniques that SQL provides and not many know about which also cut code and improve performance? eg: I have just learned how to use CASE statements inside aggregate functions and it totally changed my approach on things. Are there others?

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• Creating secure .exe files in C#

  - by George

  Hi, I have heard some mutterings about C# being quite easy to "crack" and/or reverse engineer. Is this the case and if so, how can I go about preventing this, if possible ? Or at least making it more difficult ? Thanks, George.

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• Do Django Models inherit managers? (Mine seem not to)

  - by Zach

  I have 2 models: class A(Model): #Some Fields objects = ClassAManager() class B(A): #Some B-specific fields I would expect B.objects to give me access to an instance of ClassAManager, but this is not the case.... >>> A.objects <app.managers.ClassAManager object at 0x103f8f290> >>> B.objects <django.db.models.manager.Manager object at 0x103f94790> Why doesn't B inherit the objects attribute from A?

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• Call an haskell function in .net

  - by SuperBloup

  Hi, I want to use an Haskell function with the following type :: string -> string from a C# programm. I want to use hs-dotnet to bridge both worlds, the author claim that it's possible, but provide no sample of this case. The only samples provided are the one to use .net from haskell. Does anyone got a sample of this use, or got an idea how to use it? (I used reflector on the bridging assembly but didn't understood a thing)

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• What's a good book to recommend to a laymen for using Joomla (not developing for it)?

  - by DJTripleThreat

  I have a new client that really just has a need for a CMS setup. If she is going to need training (and she will) on how to use joomla as software, I'm going to charge her support fees but I also want to provide her with a useful resource in case I'm too busy to help her out. Anyone got a good user manual recommendation for Joomla?

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• Drupal: integrate my own flv player (with CCK Video module)

  - by Patrick

  What's the best way to integrate my flv player in drupal ? Using SWF tools ? In case I use SWF tools, should I somehow pass the flv video path to the player, right ? Is there any documentation about this ? thanks

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• Python - counting sign changes

  - by dadashek

  I have a list of numbers I am reading left to right. Anytime I encounter a sign change when reading the sequence I want to count it. X = [-3,2,7,-4,1,-1,1,6,-1,0,-2,1] X = [-, +, +, -, +, -, +, +, -, -,-,+] So, in this list there are 8 sign changes. When Item [0] (in this case -3) is negative it is considered a sign change. Also, any 0 in the list is considered [-]. Any help would be greatly appreciated.

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• Best way to keep a large number of hobby projects alive; open sourcing?

  - by Daan van Yperen

  Because my time is limited I can usually only focus on one or two of my hobby projects, while the others sit there wasting away. I am looking for a solution that would allow me to divide my time better. is open sourcing where I take the role of guiding the project realistic, or are there better solutions? In my case, one project has a reasonably sized community of users going for it but is currently closed source. There have been requests to open source it.

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• How to mkdir only if a dir does not already exist?

  - by Spike Williams

  I am writing a script to run under the korn shell on AIX. I'd like to use the mkdir command to create a directory. But the directory may already exist, in which case I don't want to do anything. So I want to either test to see that the directory doesn't exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory. Any thoughts on how best to do this?

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• functional test for rails controller privaet method

  - by mohit

  I have a private method in my controller. which is used for some database update. this method i am calling from another controller method. and it works fine. But when i am trying to write a test case for that method then It is tripping on accessing (session variable and params) in my functional all other methods are working fine the problem is only with private method? In my setup method in functional test, I am setting session also.?

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• How could I apply a genetic algorithm to a simple game that follows rollercoaster tracks?

  - by Chris

  I have free-rein over what I do on a final assignment for school, with respect to modifying a simple direct-x game that currently just has the camera follow some rollercoaster rails. I've developed an interest in genetic algorithms and would like to take this opportunity to apply one and learn something about them. However, I can't think of any way I could possibly apply one in this case. What are some options available to me?

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• Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2?

  - by Mick

  Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip. UPDATE: In my case, I'm interested in calculating the hash of a file. If file-size matters, let's assume its 300K.

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• get site.master over web.referance

  - by dankyy1

  I want to develop a plugin web project for a web project. In this case i have to build an aspx which needs to use site.master of the main web project. Is it possible using site.master from any other webreference?

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• Convert arbitrary size of byte[] to BigInteger[] and then safely convert back to exactly the same by

  - by PatlaDJ

  I believe conversion exactly to BigInteger[] would be optimal in my case. Anyone had done or found this written in Java and willing to share? So imagine I have arbitrary size byte[] = {0xff,0x3e,0x12,0x45,0x1d,0x11,0x2a,0x80,0x81,0x45,0x1d,0x11,0x2a,0x80,0x81} How do I convert it to array of BigInteger's and then be able to recover it back the original byte array safely? ty in advance.

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• What are some reasons that application:didFinishLaunchingWithOptions method could get skipped?

  - by BeachRunnerJoe

  My iPad app was working fine until I opened up IB and started editing the interface. Now, my application:didFinishLaunchingWithOptions isn't getting called. I understand it's an optional function and it gets skipped if it doesn't exist, but in my case it does. What are some reasons that application:didFinishLaunchingWithOptions method could get skipped? Thanks in advance for your help!

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• What is the difference between tree depth and height?

  - by Gabriel Šcerbák

  This is a simple question from algorithms theory. The difference between them is that in one case you count number of nodes and in other number of edges on the shortest path between root and concrete node. Which is which?

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• Wrap a LINQ datacontext and non linq stored procedure into a transaction?

  - by Curtis White

  Is it possible to wrap some "external" API code AND a LINQ data context into a transaction? In my case, I want to wrap the ASP.NET 2.0 Membership API calls AND my own LINQ operations into a transaction.

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• Can a math intensive application cause a crash?

  - by philcolbourn

  I have been messing with hash functions and functions to generate primes etc. I had 3 lock-ups in a short period. This was odd since my macbook rarely locks-up and usually only when I run out of memory - which does not happen often. But in this case, I had three in a row and none since (but I also am not generating as much load as before).

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• sql to compare two strings in MS access

  - by tksy

  I am trying to compare a series of strings like the following rodeo rodas carrot crate GLX GLX 1.1 GLX glxs the comparision need not be case sensitive i am trying to write a sql where i am updating the first string with the second string if they match approximately. Here except the second string all the other examples match. I would like to write a query which updates the strings except the second one. is this possible directly in a query in ACCESS thanks

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• How to Declare an Array of Generic Dictionaries in C#?

  - by Nave

  I want to create an array of Dictionaries. But the array size is unknown. For integer, i used List to obtain the integer array of unknown size. But in the case of Dictionary, am not able to create a list of Dictionary. Is thr any wayz by which this can be done? Dictionary(int, String) paramList=null;I am want to create the array of paramList(above). I am using C Sharp.

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• get city state from google map

  - by apueee

  I'm using google map api for showing location. In that i case i need option to get city sate zip from google map marker. In map , user can move the marker to position it after drag finished it will return the city, state and zip. I have successfully get the lat and lng but how can i get the city , state and zip. please help me as soon as possible..

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• A help needed in java script

  - by raju.3bca

  i need to write a code to validate password the user enters if he/she enters the right one then i need to display the image which suggests the password as right or in the either case i need to display the cross image...so how can i do that using java script????

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• How a thread should close itself in Java?

  - by Roman

  This is a short question. At some point my thread understand that it should suicide. What is the best way to do it: Thread.currentThread().interrupt(); return; By the way, why in the first case we need to use currentThread? Is Thread does not refer to the current thread?

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• query about pdf file

  - by sukhada

  hi How can i append 2nd page of a pdf file to the first page. in my case the page is getting overwritten..plz reply soon

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• Non-Standard widget size for Android

  - by heorling

  I have a use-case for a vertical 1x4 home screen widget on android. The supported size is 4x1 ie horizontal. Does anyone know if the vertical version can be implemented? I realize changing screen orientation would scrunch the widget together, which I'm fine with. Even better would be if there was an equivalent to "overflow hidden" in css. Has anyone come across a way to do this?

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