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• project hierarchy

  - by Noona

  Is there a difference between a package and a folder in eclipse? for example, if I have this hierarchy requirement: java –classpath C:\ChatCompany\BackendChatServer\ -Djava.security.policy=c:\HW2\permissions.policy hw2.chat.backend.main.ChatBackendServer when the package's name is: "hw2.chat.backend.main" and "ChatCompany\BackendChatServer\" is the folder name, then how can I make this separation between a package and a folder in eclipse, so that I can write "package hw2.chat.backend.main" and not "package ChatCompany.BackendChatServer.hw2.chat.backend.main"? thanks

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• Is it good practice to use the XOR (^) operator in Java for boolean checks?

  - by Pete

  I personally like the 'exclusive or' operator when it makes sense in context of boolean checks because of its conciseness. I much prefer to write if (boolean1 ^ boolean2) { //do it } than if((boolean1 && !boolean2) || (boolean2 && !boolean1)) { //do it } but I often get confused looks (from other experienced java developers, not just the newbies), and sometimes comments about how it should only be used for bitwise operations. I'm curious as to the best practices others use around the '^' operator.

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• Convert file to html table with PERL

  - by user329313

  Hi everyone, I am trying to write a simple Perl CGI script that: -runs a CLI script -reads the resulting .out file and converts the data in the file to an HTML table. Here is some sample data from the .out file: 10.255.202.1 2472327594 1720341 10.255.202.21 2161941840 1484352 10.255.200.0 1642646268 1163742 10.255.200.96 1489876452 1023546 10.255.200.26 1289738466 927513 10.255.202.18 1028316222 706959 10.255.200.36 955477836 703926 Any help would be much appreciated. -Sebastian

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• match strings in python

  - by mesun

  Write a function, called constrainedMatchPair which takes three arguments: a tuple representing starting points for the first substring, a tuple representing starting points for the second substring, and the length of the first substring. The function should return a tuple of all members (call it n) of the first tuple for which there is an element in the second tuple (call it k) such that n+m+1 = k, where m is the length of the first substring. Complete the definition def constrainedMatchPair(firstMatch,secondMatch,length):

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• How can I use Java to place a jpg file into the clipboard, so that it can be pasted into any documen

  - by Mike King

  I often have to add my signature to a document. The document can be of different kinds. My signature is stored as an image in signature.jpg. I would like to write a Java program that automatically places this image in the clipboard, so that I only have to paste it into the document.

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• Badge for low score?

  - by anon

  I have a question: http://stackoverflow.com/questions/2465308/code-golf-write-an-stackoverflow-clone-closed that is at -12. Can I get a badge of some sort for this?

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• How to create a System.Drawing.Color from its hexadecimal RGB string?

  - by Jader Dias

  I want to create a System.Drawing.Color from a value like #FF00FF or FF00FF without needing to write code for that. There is any .NET built-in parser for that?

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• How can I make the compiler create the default constructors in CPP?

  - by Itay Moav

  Is there a way to make the compiler create the default constructors even if I provide an explicit constructor of my own? As some times I find them very useful and find it a waste of time to write the copy constructor, especially for large classes.

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• javascript windows "Yes/No" asking twice?

  - by James123

  I am using below code for javascript window "Yes/No". It is firing twice. Is there any way I can avoid this? Or use any other code?. I need this code behind. Response.Write("<script language='javascript'> { self.close() }</script>");

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• linq to entites left outer join

  - by parminder

  I am struggling linq to entities left outer join. I have two entities (tables): Listings { ListingID, MakeID (nullable) } Makes { MakeID, Description } I want to write something like this in LINQ: select listings.listingID ,listings.makeid , IsNull(makes.Description, 'NA') from listings left outer join makes on listings.makeid = makes.makeid

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• Efficient Array Storage for Binary Tree

  - by Sundararajan S

  We have to write the nodes of a binary tree to a file. What is the most space efficient way of writing a binary tree . We can store it in array format with parent in position 'i' and its childs in 2i,2i+1. But this will waste lot of space in case of sparse binary trees.

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• Optimizing list comprehension to find pairs of co-prime numbers

  - by user3685422

  Given A,B print the number of pairs (a,b) such that GCD(a,b)=1 and 1<=a<=A and 1<=b<=B. Here is my answer: return len([(x,y) for x in range(1,A+1) for y in range(1,B+1) if gcd(x,y) == 1]) My answer works fine for small ranges but takes enough time if the range is increased. such as 1 <= A <= 10^5 1 <= B <= 10^5 is there a better way to write this or can this be optimized?

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• Asp.net Head Problem

  - by oraclee

  Hi all; i want to write head tag. i need create dynamic <head id="htmlHead" runat="server"> </head> code behind: htmlHead.InnerText = "<script src=\"Scripts/jquery.ui.datepicker.js\" type=\"text/javascript\"></script>" not work pls help

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• Freelance Apple Mac Development

  - by morgs

  I'm looking to contract with a freelance Apple Mac developer to write a custom application for me. Can anyone point me in the direction of any good Apple Mac developers in the UK or Internationally or websites where I can upload my project requirements and obtain quotes? Thanks in advance!

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• Why are so many new languages written for the Java VM?

  - by sdudo

  There are more and more programming languages (Scala, Clojure,...) coming out that are made for the Java VM and are therefore compatible with the Java Byte-Code. I'm beginning to ask myself: Why the Java VM? What makes it so powerful or popular that there are new programming languages, which seem gaining popularity too, created for it? Why don't they write a new VM for a new language?

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• Streaming a POI workbook to the servlet output stream.

  - by The Machine

  I build a very large POI workbook, on my web server. Holding the entire memory in workbook , will not scale for multiple concurrent requests. Is there a way i can progressively write the workbook to the servlet output stream. That should reduce the response time , as well as make the process memory efficient.

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• Thesis theme adding a div

  - by rag

  how to add a div between headerarea and content area of a thesis theme. what is the code i need to be write in custom_functions.php file for these attempt...or which page i need to edit for that ....anybody please give an asnwer to me..

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• Why does not IDictionary (non-generic) inherit from IEnumerable<DictionaryEntry>?

  - by thorn

  IDictionary<TKey, TValue> inherits from IEnumerable<KeyValuePair<TKey, TValue>>, but IDictionary for some reason doesn't inherit from IEnumerable<DictionaryEntry>. I wonder why? I hate to write this ugly .OfType<DictionaryEntry>() every time when I need to make a query against an IDictionary.

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• No-op deallocator for boost::shared_ptr

  - by Checkers

  Is there a stock no-op deallocator in Boost to use with boost::shared_ptr for static objects, etc. I know it's ultra-trivial to write, but I don't want to sprinkle my code with extra tiny functions if there is already one available.

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• How can I get the VM method signature of a method in Eclipse?

  - by Mario Ortegón

  For adding instrumentation roots to a Profiler, I need to write the method signature. For example, in case of the method: String toString() The VM Method signature is ()Ljava/lang/String; Question is, is there any way to check such signatures in Eclipse if you have the source code? Is there any shortcut to see this?

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• Linq to Sql statement for multiple aggregate values in single expression

  - by Jeff Langston

  How would I write a linq to sql statement for the following tsql? select count(*), sum(Amount), avg(Amount), min(Amount), max(Amount) from TableName

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• How do I test how customers use my Cocoa application?

  - by John Gallagher

  I'm interested in finding out how customers use features in my Cocoa application. I want to build up statistics on which features people use and how they use them, so that I can measure the value of features I'm implementing. This feedback of course will be off by default and anonymous. Does anyone know of any frameworks that have been developed that can achieve this without me having to write stuff from scratch?

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• Actionscript Noobie: how to overlay/load HTML

  - by wefwgeweg

  i want to write a flash applet that loads an html or an overlay of html. how to do this ? where do i begin with actionscript btw ?

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• [Python] OR in regular expression?

  - by www.yegorov-p.ru

  Hello. I have text file with several thousands lines. I want to parse this file into database and decided to write a regexp. Here's part of file: blablabla checked=12 unchecked=1 blablabla unchecked=13 blablabla checked=14 As a result, I would like to get something like (12,1) (0,13) (14,0) Is it possible?

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• How does CouchDB perform for a regularly updated dataset?

  - by Ritesh M Nayak

  I am planning on using CouchDB on a project. But as the querying mechanism involves writing views (which are a lot like indexes on regular RDMBMS's) I was wondering, if the document database keeps getting updated a lot ( a write heavy database) would CouchDB perform well compared to a regular RDBMS? Or do we have to compact/re-index the system occasionally to make it perform faster?

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