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• The intersection of two sorted arrays.

  - by user288609

  Given two sorted arrays: A and B. The size of array A is La and the size of array B is Lb. How to find the intersection of A and B? If La is much bigger than Lb, then will there be any difference for the intersection finding algorithm?

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• How a programming call is usually made between web server and application server in a PHP n-tier arc

  - by Alex

  How a programming call is usually made between web server and application server in a PHP n-tier architecture when the servers are on separate machines in the network?Whats the difference of using DOM(Distributed object middleware) or Web services for this purpose?

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• Are column families within a single keyspace related in any way?

  - by taw

  What's the difference between having keyspace Foo and column families A and B in it vs. having two keyspaces FooA and FooB with one column family in each? API make it look as if these two were pretty much equivalent. As a bonus question, how do supercolumns fit into this picture?

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• Are there any generic shipping calculators out there for DJango?

  - by Jon Cage

  I'm in the process of settings up a website (I'm using DJango) to begin selling some toys I build and need a way of calculating shipping costs for my customers. Are there any (preferably free) shipping calculators which accept a customers address and return the cost for different delivery companies / delivery options? It would be nice if the API could indicate cost vs delivery time. We'll be shipping world-wide if that makes a difference?

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• MS SQL Server BEGIN/END vs BEGIN TRANS/COMMIT/ROLLBACK

  - by Rich

  I have been trying to find info on the web about the differences between these statements, and it seems to me they are identical but I can't find confirmation of that or any kind of comparison between the two. What is the difference between doing this: BEGIN -- Some update, insert, set statements END and doing this BEGIN TRANS -- Some update, insert, set statements COMMIT TRANS ? Note that there is only the need to rollback in the case of some exception or timeout or other general failure, there would not be a conditional reason to rollback.

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• jQuery and function scope

  - by Jason

  Is this: ($.fn.myFunc = function() { var Dennis = function() { /*code */ } $('#Element').click(Dennis); })(); equivalent to: ($.fn.myFunc = function() { $('#Element').click(function() { /*code */ }); })(); If not, can someone please explain the difference, and suggest the better route to take for both performance, function reuse and clarity of reading. Thanks!

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• Asp.net - MVC1 vs MVC2

  - by FosterZ

  hi, can any one precisely explain the difference between ASP.NET MVC1 vs MVC2.. and if i'm having a project in MVC1, how can i migrate it to MVC2 ?

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• Quick question about open_basedir

  - by Gio

  Hello, On my server, I have following setting: open_basedir /home/ :/usr/lib/php :/usr/local/lib/php :/tmp/ :/usr/local/ :/usr/bin Now, I am little bit confused about ending / in the / home / setting, does that mean that all subfolders inside home have same rights? or does it mean that only home files can be accessed? So, basically what is the main difference between: /home/ and /home With example if possible Thank you in advance.

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• Const unsigned char* to char8

  - by BSchlinker

  So, I have two types at the moment: const unsigned char* unencrypted_data_char; string unencrypted_data; I'm attempting to perform a simple conversion of data from one to the other (string - const unsigned char*) As a result, I have the following: strcpy((unencrypted_data_char),(unencrypted_data.c_str())); However, I'm receiving the error: error C2664: 'strcpy' : cannot convert parameter 1 from 'const unsigned char *' to 'char *' Any advise? I thought using reinterpret_cast would help, but it doesn't seem to make a difference.

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• Testing site performance with multiple browsers and versions

  - by jasongullickson

  We're trying to document the performance difference of our site using different browsers. We use LoadRunner for load testing but I don't see a way to specify the "browser engine" it uses to run it's tests (perhaps it's using it's own?). In any event I'm not sure that LoadRunner is the right tool for this job but we own it so if we can use it, great. If not, is there another tool out there that I can use to record a script and run it automatically against a site using several different browsers?

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• SQL Server Profiler Implementation Using C#/VB.net

  - by Asim Sajjad

  I to implement sql Server Profile in C#/VB.net application, Can any one has good example of it, I have search on google but didn't find good working example, I don't have Sql server Profiler tool on my system ans also don't have Sql Server (it is on difference system). how do I can create profiler for my own

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• whats the diffence between void* and void**?

  - by piemesons

  It's the special property that void* can point also be assigned a pointer to a pointer and cast back and the original value is received. I read this line somewhere. Does it means void* and void** are same. Can anybody explain the difference?

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• Java native memory usage

  - by Adelave

  Hi All, Is there any tool to know how many native memory has been used from my java application ? I've experienced outofmemory from my application : Current setting is : -Xmx900m Computer, Windows 2003 Server 32bit, RAM 4GB. Also is changing boot.ini to /3GB on windows, will make any difference? If is set Xmx900m, how much max native memory can be allocated for this process ? is it 1100m ?

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• Sending SMS WMA way Vs Datagram COnnection in Blackberry

  - by Sudhakar Chavali

  Hello All, As blackberry supports both API, I would like to know which option I need to go for. What is the difference between two options? Which option is more reliable in both CDMA and GSM devices? Thanks Sudhakar Chavali

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• Are there any implementations of multiset for .Net?

  - by dangph

  I'm looking for a .Net implementation of a multiset. Can anyone recommend a good one? (A multiset, or bag, is a set that can have duplicate values, and on which you can do set operations: intersection, difference, etc. A shopping cart for instance could be thought of as a multiset because you can have multiple occurrences of the same product.)

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• static readonly field initializer vs static constructor initialization

  - by stackoverflowuser

  Below are 2 different ways to initialize static readonly fields. Is there a difference between the 2 approaches? If yes, when should one be preferred over the other? class A { private static readonly string connectionString = WebConfigurationManager.ConnectionStrings["SomeConnection"].ConnectionString; } class B { private static readonly string connectionString; static B() { connectionString = WebConfigurationManager.ConnectionStrings["SomeConnection"].ConnectionString; } } Thanks.

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• mysql datetime performance

  - by praksant

  Hi, since in mysql datetime field is represented as string (i'm not sure how it works internally), wouldn't be from performance point of view faster to store date as unix timestamp? I don't need to use any mysql native date functions, i'm going for performance of sorting and selecting data. if there was an index for that column, would be difference between int and datetime? Thank you

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• What sort of programming paradigm is usually used between web and application server in PHP n-tier a

  - by Alex

  What sort ort of programming paradigm (sockets,RPC,Web services,Distributed objects middleware) is usually used between web server and application server in PHP n-tier architecture?Whats the difference of using DOM or Web services for this purpose?

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• Why DB constraints are not added during table creation.

  - by Pratik

  Hi All, What is the difference between these to ways of table creation. CREATE TABLE TABLENAME( field1.... field2... add constraint constraint1; add constraint constraint2; ) AND CREATE TABLE TABLENAME( field1.... field2... ) ALTER TABLE TABLENAME add constaint1 ALTER TABLE TABLENAME add constaint2 Moreover the first scripts fails on the SQL+ but they pass on sqldeveloper Thanks! Pratik

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• Overriding !important style using Javascript

  - by Enrico

  Title pretty much sums it up. The external style sheet has the following code: td.EvenRow a{ display: none !important; } I have tried using: element.style.display = "inline"; and element.style.display = "inline !important"; but neither works. Is it possible to override an !important style using javascript. This is for a greasemonkey extension, if that makes a difference. Much appreciated, Enrico

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• Why ruby has to_s and inspect?

  - by prosseek

  The p calls inspect, and puts/print calls to_s for representing its object. If I run class Graph def initialize @nodeArray = Array.new @wireArray = Array.new end def to_s # called with print / puts "Graph : #{@nodeArray.size}" end def inspect # called with p "G" end end if __FILE__ == $0 gr = Graph.new p gr print gr puts gr end I get G Graph : 0Graph : 0 Then, why does ruby has two functions do the same thing? What makes the difference between to_s and inspect? If I comment out the to_s or inspect function, I get as follows. ##

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• What should I do to uninitialize .NET SpeechRecognizer?

  - by manuel

  The speech recognizer object is declared as SpeechRecognizer^ sre = new SpeechRecognizer(); But I can't close the application properly when I want to. I tried using delete sre; but it didn't make any difference.

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• Must I Install a Gem to Unpack It?

  - by yar

  I wrote up some instructions for freezing a non-native gem in a Rails app today: install the gem sudo gem install fastercsv put the reference in the environment.rb (I think this is only necessary to do unpack with no GEM specified) config.gem "fastercsv" unpack the gem rake gems:unpack GEM=fastercsv uninstall the gem sudo gem uninstall fastercsv I know this must be the long way around: how can I unpack the gem without installing it first? Also: What's the difference between rake gems:unpack GEM=fastercsv and gem unpack fastercsv?

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• Javascript new object (function ) vs inline invocation

  - by Sheldon Ross

  Is there any considerations to determine which is better practice for creating an object with private members? var object = new function () { var private = "private variable"; return { method : function () { ..dosomething with private; } } } VS var object = function () { ... }(); Basically what is the difference between using NEW here, and just invoking the function immediately after we define it?

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• 32 vs 64 bit...or, what exactly does 'processing information' mean

  - by jasonbogd

  I am having trouble understanding the difference between a 32 bit processor and 64 bit processor. I know that a 32 bit processor can access 32 bits at a time while a 64 bit processor can access 64 bits at a time. But what exactly does it mean to access a certain number of bits at one time?

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