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• Django filter by hour

  - by DJPy

  I've found that link: http://code.djangoproject.com/attachment/ticket/8424/time_filters.diff and changed my django 1.2 files by adding taht what you can see there. But now, when I'm trying to write Entry.objects.filter(pub_date__hour = x) - the result is following error: Field has invalid lookup: hour What should I do else, to make it work? (sorry for my english)

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• How to create named pipe acsessible Only on your machin? (VS08 C++)

  - by Ole Jak

  Hello, I have created a program that write video stream to a named pipe on windows, using Visual Studio C++ 2008 . how to be sequre that no one exept programms on this computer can acsess this pipe? npipe = CreateNamedPipe("\\\\.\\pipe\\TestChannel", PIPE_ACCESS_DUPLEX, PIPE_TYPE_MESSAGE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES , 1024, 1024,5000,NULL);

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• How to iterate over the first n elements of a list?

  - by Bialecki

  Say I want I've got a list and I want to iterate over the first n of them. What's the most concise way to write this in Python?

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• XML RPC client for C# over secured socket (https)

  - by Ummar

  I have a secured (https) XML-RPC server written in python, and I have tested it with a python based client. but I need a C# based client for it, I have given a try to xml-rpc.net but it is not working with https? can any one please help me out? or I will have to write a client from scratch? Thanks

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• Does knowing a Natural Language well help with Programming?

  - by Earlz

  We all hear that math at least helps a little bit with programming. My question though, does English or other natural language skills help with programming? I know it has to help with technical documentation, but what about actual programming? Are certain constructs in a programming language also there in natural languages? Does knowing how to write a 20 page research paper help with writing a 20k loc programming project?

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• executing shell script without calling sh implicitly

  - by ShoX

  Hi, I was wondering if it is possible to make a "link" in usr/bin (i.e.) that leads to a shell-script. But I want just to write % shellscript instead of % sh shellscript.sh kinda like an alias. Is this possible?

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• Pass parameters to Flash Main (Document) class

  - by loto

  In Flash CSn/AS3 you associate a Main class with a flash file which when loaded in the flash player "automatically creates an instance of the program's main class." I'd like to know how to pass arguments to the main class, since you don't write it yourself (you put its name in the Document textfield in the IDE).

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• database design: table with large amount of columns (50+) or many sub tables with small amount of co

  - by Guillaume

  In our oroject we already have a lots of tables (100+). Some of them contains a lot of columns (50-100) and we are facing the need of adding more columns from time to time. What do you think is best - from maintenance and performance point of view - to split these huge tables in smaller entities or to keep the tables the way they are ? We are using an ORM tools, so we don't need to write custom request.

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• Why isnt int pow(int base, int exponent) in the standard C++ libraries?

  - by Dan O

  I feel like I must just be unable to find it. Is there any reason that the c++ pow function does not implement the "power" function for anything except floats and doubles? I know the implementation is trivial, I just feel like I'm doing work that should be in a standard library. A robust power function (ie handles overflow in some consistent, explicit way) is not fun to write.

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• Cocoa touch: decorating text

  - by user365904

  I've added a UIAppFont to my plist, and, happily, am able to write a custom font to my display. Now, if I had to display this custom font in a very large size with a yellow outline and purple in the middle- how in the world would I achieve that??

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• input string was not in a correct format?

  - by Surya sasidhar

  hi, In my application i write the code like this byte [] byt=new byte[ Convert.ToSbyte(textbox1.tex)]; it is giving the error that input string was not in a correct format.

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• Can I run two web servers on the same computer?

  - by Roman

  I just found out that I can write a really simple web server using Python. I have already an Apache web server I would like to try the Python based web server on this machine. But I am afraid that I can get some kind of conflict if I try it. I mean how two web server will "decide" who needs to server a request from a client?

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• Can Google Forms do carriage returns/ line feed

  - by Simon

  I am trying to write a pre-qualification programming exam, hopefully using Google Forms... however they seem to be unable to do new-lines in both the questions and the section headers... My current format is new page for each question, with a "section header" as the main question (because it has a textarea for the "code snippet") and a "multiple choice question" as the ummm... question answer... Help much appreciated...

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• Bluetooth communications with C#

  - by Abdulaziz

  hello, I want to write 2 programs with C# one work on PC, the other work on a windows mobile phone. So I want the PC program to send a signal via Bluetooth ( 1 byte maybe) to the windows mobile phone. and the mobile program (which work on background) handles and accepts this byte without the need of pairing. how to code this? please I need any kind of help.

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• What is the relationship between a R.V N(0,1) and others continuous random variables

  - by calejero

  Hello. I have a question. I need to kwon what is the relationship between a Random Variable with Normal distribuation (N(0,1)) and others continuous random variables. Can you write to me an example? Thank You Hola a todos. Necesito saber qué relación existe entre una variable aleatoria Normal (0,1) y cualquier variable aleatoria continua. Además, me vendría bien un ejemplo. Gracias por vuestra ayuda

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• Login to icq account to receive messages from contact #12345678

  - by justastefan

  Is there a way to have a php-script running, that does the following things: - log into icq-account - receive all (if any) messages from an existing contact #12345678 and - write those messages into an array like e.g. $messages = array();

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• In Bash, how do you access command line arguments inside a function?

  - by DonGar

  I'm attempting to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the function to access the command line arguments if they aren't passed in explicitly? # Demo function function stuff { echo $0 $* } # Echo's the name of the script, but no command line arguments stuff # Echo's everything I want, but trying to avoid stuff $*

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• PL/SQL ANONYMOUS BLOCK REQUIRED

  - by aryan

  I HAVE TO RETRIEVE ID AND LAST_NAME FROM MY TABLE BUT THE THING IS THAT MY ID IS NOT CONTINUOUS AND THERE NO PATTERN FOR THE GAPS. NOW I WANT TO WRITE A PL/SQL ANONYMOUS BLOCK FOR THIS.

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• need an sql query

  - by CKeven

  I currently have two tables: 1. car(plate_number, brand, cid) 2. borrow(StartDate, endDate, brand, id) I want to write a query to get all available brand and count of available cars for each brand

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• Conditional Join In LINQ?

  - by Soo

  I am trying to write a query that grabs information from one database and joins it to information in a different database. TableA idA valueA idB TableB idB valueB The tricky part is that in TableA, idB isn't always defined, so when I do a normal join, I only get results where TableA has a idB value. What I want is to be able to grab all of the information from TableA even if it doesn't have a corresponding idB value.

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• excel IF formula question

  - by every_answer_gets_a_point

  i am building a formula like this: =if(a1="something" or a1="alex","returned","not found") but i guess the syntax is wrong. what is the correct way to write this?

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• Override jre_lib classes

  - by Filip

  What is the best way to override jre_lib classes? Let's say I need to store all ArrayLists not in RAM but on disk or anywhere else. I wanna write my own ArrayList class to code this functionality and make sure that every instantiations of ArrayList use my class. I thought about class loading mechanism to change order of classpath, but as I see java checks standard classes first.

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• Linked list Recursion ...

  - by epsilon_G

  hey , I'd like to make a recursive function using C++ I make this class class linklist { private: struct node { int data; node *link; }*p; void linklist::print_num(node* p) { if (p != NULL) { cout << p->data << " "; print_num (p->link); } } in the main program what should I write ...

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• Best way to apply a theme to an iPhone app

  - by Tim

  Hi I am trying to write some iPhone app with a theme switcher, where users can select a theme to change the background color, alpha, images, and some push buttons' look and feel as well (size, image, or even locations). What would be the best way to apply the theme? Thanks, Tim

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• How do I use Google Protocol Buffers with a C++ client and a C# WCF service?

  - by Roger Lipscombe

  Several questions: How do I get my C# WCF service to use Protocol Buffers? How do I write a C++ client for a WCF service? How do I get that C++ client to use Protocol Buffers when talking to the WCF service. There seems to be lots of tiny snippets of information out there, but nobody appears to have pulled it all together in one place.

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