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• java.util.Random zero argument enquiry

  - by deerb

  I am trying to code a game following instructions contained in an OU TMA document which read: In the constructor, write code to assign a new instance of Random to ran which you should create using the Random class's zero argument constructor Will this code work? Random ran = new Random(0) ; I am a relative newbie to Java, and I don't understand exactly what the instructions mean

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• How to append to the beginning of a text fle in g++

  - by Phenom

  I want to write to a file without overwriting anything. It is a text file containing records. When I delete a specific record, I do not actually remove it from the file, I just put information in the header saying that it is deleted. How can I do this?

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• Have you ever written a computer virus (or at least tried)?

  - by Vilx-

  The title pretty much says it all: have you ever written (or tried to write) a computer virus? I know pretty many young programmers try to do something like that in their early days. Did you? If yes, did you succeed? Tell us your tale - What did it do? Did you get punished? What did you learn from this? Etc.

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• Scheme function to remove first element

  - by navoda

  write a scheme function that remove the first top level occurrence of a given item from a list of items. eg given list (a b c) item b, result list (a c) plz help me

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• Programmable RAM Disk API for .NET?

  - by jdk

  Looking for a RAM disk library to store file temporarily for fast read/write operations. update Exe files will be written to the disk and executed.

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• Batch file to Zip using only whats available to user

  - by James

  I am trying to write a script that I can give to user to have it automatically zip certain files of theirs and then load them onto an ftp site. Anyone know where I could find information on writing a batch file for auto-zipping files using only what is available to a user running windows? I have been looking for quite a bit but I am struggling. Thanks.

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• HOW TO RETURN VALUE FROM FUNCTION? (c#)

  - by Ole Jak

  So... I want to return value when C# function is called. I need a code example (simple summ of a,b values will be ok) Please help I need something like this ( I know ActionScript so I will write in it): public function sum(valueA:int, valueB:int):int { var summ:int = valueA + valueB; return summ; } How to translate it into C#?

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• configuring sms lib for use

  - by jabsy

  i want to write an application that sends bulk sms in java and i have a tutorial but i have to configure sms lib for me to use my modem as the port. can somehelp

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• How to send file to remote computer?

  - by Phsika

  i can get file name via below codes. How can i send this file to remote computer. this remote computer ip: 192.168.2.105 also i can use 51124 port class Program { static void Main(string[] args) { string[] dosyalarinYollari = System.IO.Directory.GetFiles(@"z:\20071008\1.2.392.200036.9116.2.6.1.48.1215563310.1191800303.305777\", "*.dcm", System.IO.SearchOption.AllDirectories); foreach (string s in dosyalarinYollari) { Console.Write(s+"\n"); // i need to send tihs s file to remote machine } Console.ReadKey(); } }

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• grid traversal question

  - by Kensay

  Given a grid of any height and width, write an algorithm to traverse it in a spiral. (Starting at the top left and ending in the middle) without passing over previously visited nodes. Without using nested loops.

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• Scalable images in Java

  - by CodeGuy

  I anticipate using some images in my Java application. These images will be drawn onto my JPanel using g.drawImage(). The JPanel is resizable and the images should scale as the JPanel increases/decreases in size Two questions: What image format is best for this type of desired scalable image? For instance, in this application, an image of size 100x100 may be scaled into an image of size 30x30 or 10x10 or 300x300. How can I write code to do this scaling?

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• Download Videos from Youtube with Python

  - by garbagecollector

  I am hoping to write a script that will allow for the detection of video on a url and provide a download link to a *flv for google chrome. Anyone have any suggestions were to start and get a footing?

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• encode video is reverse?

  - by bob

  Hi, Does anyone know if it is possible to encode a video using ffmpeg in reverse? (So the resulting video plays in reverse?) I think I can by generating images for each frame (so a folder of images labelled 1.jpg, 2.jpg etc), then write a script to change the image names, and then re-encode the ivdeo from these files. Does anyone know of a quicker way? This is an FLV video. Thank you

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• Ruby Win32Api get single character non-blocking

  - by Markus Orreilly

  I'm trying to write a simple game working with two threads, one thread to get input from the user, and another thread to animate some scenes. I'm able to get characters without pressing ENTER just fine, but it blocks in the animating thread until the user presses a key. Does anyone know of a way to get a character from the keyboard non-blocking?

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• XSLT processing with Qt

  - by swegi

  Hi, I like to display some (X)HTML content in a Qt application using QtWebKit. The content should be generated from XML documents via XSLT. As I am new to Qt, my questions are as follows: 1) Can QtWebKit display XML documents with the xml-stylesheet element set? 2) Can Qt apply XSLT to an XML document and return the result as a string or write it to a file?

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• mysql: Can I use two "where"s? Like, "SELECT * FROM table WHERE something and something"?

  - by KeriLynn

  I have a table with my products and I'm trying to write a page that would pull bracelets with certain colors from the database. So here's what I have right now (in php): $query = "SELECT * FROM products WHERE (products.colors LIKE '%black%')"; But I only want to select rows where the value for the column "category" equals "bracelet". I've tried a few different things, but I keep getting warnings and errors. I appreciate any help you can give, thank you!

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• Is there any way to trigger some macro after build in visual studio

  - by uzay95

  I want to count how many times i built on VS.NET . I have a plan. If i run svn commit when i build to project, i would have build count on revision number :) I didn't write any macro which can execute a command. And i don't know visual studio is allowing to prebuild event for this kind of request.

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• R equivalent of SELECT DISTINCT on two or more fields/variables

  - by wahalulu

  Say I have a dataframe df with two or more columns, is there an easy way to use unique() or other R function to create a subset of unique combinations of two or more columns? I know I can use sqldf() and write an easy "SELECT DISTINCT var1, var2, ... varN" query, but I am looking for an R way of doing this. It occurred to me to try ftable coerced to a dataframe and use the field names, but I also get the cross tabulations of combinations that don't exist in the dataset: uniques <- as.data.frame(ftable(df$var1, df$var2))

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• Autohotkey to map F5 to Shift+Home and then F5 - eventually executing a single line query in sql server?

  - by puretechy

  Reading the syntax from autohotkey, I am trying to achieve this. But the first step of selecting the entire line is not working:- F5:: send {Shift Home} return I have tried few others too, but its not working. This is not sending Shift+Home combination on pressing F5 key. Please tell me what's wrong with this? Also if possible, what to do next?, as if I will write send {F5} I believe, it will recursively fire this script again and again..

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• C++ - How could I do some operation on bmp file?

  - by MMM

  I am interesting to do some transformation, like change one color to another, count all used colors, and resize image. I DO NOT want to use any exist library, I would like write myslelf all code. Summing up: How could I open BMP file and change it?

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• How to implement unix ls -s command in C?

  - by Annonymous

  I have to write a program in C which returns file size in blocks just like ls -s command. Please help.

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• Populate a combobox with collection

  - by user228777

  I am trying to bound combobox to a collection. Collection is returning 3 cols. How do I a specify DatavalueField and Datatextfield to 2 of the columns returned in my collection? When I write following code Combox is populated with text showing MfnBusinessData.Item for each item. Thanks Dim ItemCollection As Collection(Of MfnBusinessData.Item) Dim oms = New MfnDataAccess.LookupDal ItemCollection = oms.GetLookupItems("OFXQuestionText", "FULL", "ALPHA", "en") RadComboBox1.DataSource = ItemCollection RadComboBox1.DataBind() 'RadComboBox1.DataValueField = ItemCollection.Id 'RadComboBox1.DataTextField = "Text"

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• DataOutputStream, does it lose some bits

  - by user308806

  hello, I'm writing a client server application, but I don't receive the same bytes at the client side when they are sent from the server side. At the server side I used .write(bytes[]) method. At the client side, I used .readFully(byte[]) method. Do you have any idea ?

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• Initializr Bootstrap. Knowledgebase. How to create and edit content?

  - by Idle Mind

  I am in the process of creating a knowledgebase website for my office and I find bootstrap pretty awesome. Now, people at work, which may not be HTML savvy, will be creating new articles and then posting them to this knowledge base. Is there something you can recommend that would allow such type of user to create a document on somthing similar to Microsoft Word but web based and then publish? Or do I have to write it from scratch? Thanks for any help.

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• Windows [C++] - Creating new folders if they don't exist for fopen

  - by Gbps

  I have a C++ program that takes user input for fopen in order to initiate a file write. Could someone help me find a function which will return a FILE* and use the Windows specific version of mkdir in order to create the folder structure for fopen to never fail to open a new file in the specified location because one of the folders does not exist. Thanks a bunch!

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