In Java why would one intialise an int variable with 0 when it will be assigned 0 only by default wh
- by happysoul
What purpose does it serve ?
Just read an example in a book where the author has done so.
int numOfGuesses=0;
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Search found 5147 results on 206 pages for 'book'.
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Why is Model.scoped generating invalid SQL?
- by Nicholas H.
When I run Book.scoped({:conditions => ['books.index LIKE ?','%query%']}) I get: ActiveRecord::StatementInvalid: SQLite3::SQLException: near "index": syntax error: SELECT * FROM "books" WHERE (books.index like '%query%') What am I doing wrong?Read the article
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Resources for writing kernel in C
- by anon
I don't want to write my own boot loader -- happy to use Grub. I just want to implement pre-emptive multi threading, a basic file system, and virtual memory. I want something that can run on top of qemu. What's a good resource (book / tutorial) for accomplishing this goal? Thanks!Read the article
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Can you get the current user's phone # and contact details through the iPhone SDK?
- by faceyspacey.com
As far as I can tell, I can only get the entire address book, but there is no way to know which (if any) contact is the contact information for the owner of the phone, i.e. the phone # of the phone itself. Is there any way to accomplish this? Perhaps by triangulating some data the SDK makes available?Read the article
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Webmail Contact List Importer
- by Andy Jarrett
Does anyone know of a Webmail Contact List Importer scripts (ColdFusion, PHP etc) like those used on Twitter and LinkedIn ? I've found some but they are paid for and I want some more bespoke & open. To clarify a little more I'm not looking for a way to process .csv files :) I'm looking for a bit of code that can logging into gmail, yahoo mail, hotmail, aol and pull out the users address book.Read the article
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Converting part of a multi-purpose XML file to RSS using XSL
- by Nate McCloud
I have an XML file that I use for storing and displaying recipes that I collect, but that same XML file also has updates for the site at the top of it. How would I, say, use Recipes.xsl to transform Recipes.xml for display as an actual website, and use RecipesRSS.xsl to transform Recipes.xml into Recipes.rss? Currently, my XML file is formatted something like this: <book> <updates> <update when="2010-04-19"> <format> <update>Formatting updates here, if any. Otherwise, omit the Format section.</update> ... </format> <recipes> <update>Recipe updates here, if any. Otherwise, omit the Recipes section.</update> ... </recipes> </update> ... </updates> <recipe name="Recipe Name"> <from>Recipe source</from> <category>Recipe category</category> <ingredients> <ingredient>Recipe ingredient</ingredient> ... </ingredients> <instructions> <step>Recipe instructions go here.</step> ... </instructions> <notes> <note>Additional notes go here, if any. Otherwise, Notes section is omitted.</note> ... </notes> </recipe> ... </book> Any help would be greatly appreciated.Read the article
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yes another question about Interfaces?
- by sam
Hi Guys, I started commercial programming lately, I am used to functions, then now I always questions about interfaces.. Do you provide me with some links and book names, that can explain deeply why using interfaces? is interfaces required for small projects?? I am using C#. thanksRead the article
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Where can i find exercises for familiarising OOPS
- by CrazyBoy123
Now that i have learned the theory of OOPS in good number of books , and practised a little. Still i am not comfortable when i look into OOPS being applied in some of the Open Source projs. Can someone suggest any problem / solution kind of book , or any resources , that covers OOPS end - end. (C# , Java preferably)Read the article
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Why does Java uses heap for memory allocation?
- by happysoul
I just read this statement in a java book saying Objects in java reside on a heap. Is a heap used because it is the best way to store data and retrieve data fast ? I only have an idea about data structures being a beginner. I mean why not stack or something else ?Read the article
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What is a good Perl CGI tutorial?
- by ungalnanban
I am going to learn Perl CGI. Please suggest a good URL or book for a CGI tutorial.Read the article
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How to use crystal reports with php
- by SpikETidE
Hi everybody... I need to use crystal reports with php... I googled around for a long time but was not able to find a good tutorial or book that will explain the process easily and efficiently... Can anyone point me towards a place where i can get a simple tutorial about using crystal reports with php....? Thanks a lot for your suggestions......Read the article
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Learning Javascript in one weekend?
- by dueyfinster
Similiar to this question, I am wondering if experienced Javascript developers have any websites they use with examples to get the basics of Javascript down in 24/28 hours? I have looked at Douglas Crockford's Google Tech Talk and I bought the book "Javascript: the good parts" but I haven't had time to read it.Read the article
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What is the most efficient way to learn x86 assembly?
- by Web Des
I want to learn x86 assembly and I want to know if learning reverse engineering is a good way to learn it? Also I have some c++ knowledge of pointers, stack, heap , references, etc.. I was considering this book. http://www.amazon.com/Reversing-Secrets-Engineering-Eldad-Eilam/dp/0764574817/ref=sr_1_1?s=books&ie=UTF8&qid=1340420512&sr=1-1&keywords=reverse+engineering Also Is reverse engineering the same as what they call disassembly?Read the article
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How to use profiler?
- by Knowing me knowing you
Very often I hear: use profiler, do unit test. How to do it? I would be glad if someone would provide either links to websites with tutorials or recommend a good book. I'm using Visual Studio 2010 Ultimate.Read the article
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using LARGE_INTEGER gives me back error error C2679: '=' binary no operator found which takes a right-hand operand
- by rekotc
i have the following code: QueryPerformanceCounter(&timeStart); winMain::render(); //do stuff QueryPerformanceCounter(&timeEnd); numCounts = ( timeEnd.QuadPart - timeStart.QuadPart); All the 3 variables are declared as LARGE_INTEGER, the code should work since im following a book example, but i get: error C2679: '=' binary no operator found which takes a right-hand operand of type LONGLONG it might be '_LARGE_INTEGER &_LARGE_INTEGER::operator =(const _LARGE_INTEGER &)' 1 durante la ricerca di corrispondenza con l'elenco di argomenti '(LARGE_INTEGER, LONGLONG)'Read the article
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Variable reference in a Groovy GString
- by Maurits Rijk
From the book "Groovy and Grails recipes" I'm using the following code snippet: String HelloLanguage = "def hello(language) {return \"Hello $language\"}" However, I get a compiler error "You attempted to reference a variable in the binding or an instance variable from a static context." because language can't be bound. What is wrong?Read the article
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List of Character Encodings
- by helpme
Is There A Book or Site That Teaches And Also Includes A Complete List of Character Encoding's That Includes Hexadecimal, Decimal and Name Versions? If you can name a couple of books and sites, that would be very helpful thank you.Read the article
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How to create similar behavior as Gmails Contact manager
- by Jozef
Hi all, I would like to create something similar as Gmail's contact manager. I'm not very experienced with Javascript, I understand the basic concepts of AJAX and know my way around jQuery. But that is as far as it goes. Book/blog recommendations are greatly appreciated. Thanks!Read the article
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About High Availabiltity
- by Invincible
I know this is not perfect place to ask this question. Can anybody suggest some good resource or book on High-Availability? I want to learn as much as I can on high-availability before start building my system. Thanks in advance!Read the article
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what is a fun beginner project?
- by Atticum
I am learning HTML and I have a good book to learn with but my cousin told me that I should pick a fun project to learn how to program but im not sure what I should do. what is the most fun project to do when you are learning HTML?Read the article
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question about learning TDD
- by Gandalf StormCrow
what are the best books to learn about junit, jmock and testing generally? Currently I'm reading pragmatic unit testing in Java, I'm on chapter 6 its good but it gets complicated.. is there a book for a bottom up? from your expirience which helped you get the testing conceptRead the article
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Use Shakespeare-text and external file
- by Adam
How can I convert the below example to use an external file instead of the embedded lazy text quasi quotes? {-# LANGUAGE QuasiQuotes, OverloadedStrings #-} import Text.Shakespeare.Text import qualified Data.Text.Lazy.IO as TLIO import Data.Text (Text) import Control.Monad (forM_) data Item = Item { itemName :: Text , itemQty :: Int } items :: [Item] items = [ Item "apples" 5 , Item "bananas" 10 ] main :: IO () main = forM_ items $ \item -> TLIO.putStrLn [lt|You have #{show $ itemQty item} #{itemName item}.|] This is from the yesod online book.Read the article
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merge 1 commit from 1 branch to the master ?
- by michael
I read this about git branch: http://book.git-scm.com/3_basic_branching_and_merging.html I have create a branch called 'experimental'. I switch to that branch and make 2 commits there. So if it possible for me to merge the later commit (the 2nd of the 2 commits) of the experiment to the master branch? Thank you.Read the article
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Where can find examples and tutorials for Perl's Net::Pcap module?
- by dan
Could someone provide a good documentation / tutorial/ PDFs/ reference to book link about Net::Pcap in addtion to the module documentation and this Perl and Net::Pcap article on PerlMonks?Read the article
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Do USB interrupt transfers guarantee order?
- by ulidtko
I've found in the fairly awesome book titled "USB in a NutShell" that interrupt transfers provide reliable delivery (via error detection and automatic retry). But I wonder, does that guarantee that transfers will not be swapped in order someday? As far as the bus is serial, my guess is that yes, reordering should never occur. But I'm not really much into this, so having doubts. Could somebody clarify?Read the article
