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  • Array.sort Sorting Stability in Different Browsers

    - by Boushley
    What is the stability of Array.sort in different browsers. I know that the ECMA Script specification does not specify which algorithm to use, nor does it specify whether the sort should be stable. I've found this information on for Firefox https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Array/sort which specifies that firefox uses a stable sort. Does anyone know about IE 6/7/8, Chrome, Safari?

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  • RESTful principles question

    - by auser
    An intelligent coworker friend of mine brought up a question to me that I was uncertain how to answer and I'd like to pose it to the world. If a RESTful endpoint uses token-based authentication, aka a time-based token is required to access a resource and that token expires after a certain amount of time, would this violate the RESTful principle? In other words, if the same URL expires after a certain amount of time, so the resource returns a different response depending when it was requested, is that breaking REST?

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  • Rewrite query string "?x=y" style to "/x/y" style

    - by Ross
    I have a PHP MVC framework I've built from scratch which uses the traditional domain.com/controller/action URL routing. While I'm currently handling the below conversion in the router I'd like to replace them in the URL for cosmetic reasons. For example: controller/action?filter=bank Becomes: controller/action/filter/bank I've done a bit of experimentation with a regex but can't seem to find a match. I'm also not sure how to rewrite it using RewriteCond. Thanks in advance.

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  • High speed matrix manipulation in c#?

    - by Donnie
    I'm working on some image manipulation code in c# and need to do some matrix operations (specifically 2D convolution). I have the code written in matlab which uses the conv2 function ... is there a library for C# / .NET that does good high-speed matrix manipulations? I'd be fine if it requires some specific GPU and does the matrix math on-GPU if that's what it takes.

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  • Do session use cookies?

    - by Pandiya Chendur
    This is an interview question asked a month ago.... Do session use cookies? If so,how do they do so? Assume Session["UserId"]=1 how does this session variable uses cookies internally? If so, what will be the name of the cookie and what is the value of that cookie....

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  • How can I specify that Doctrine must use a mysqli-connection

    - by murze
    Hi, while executing a long script that uses Doctrine to access the db, I get an error 2006 server has gone away. I've already solved this problem on a website that doens't use Doctrine. The solution there was to use mysqli instead of the normal mysql driver. How can i tell Doctrine to use a mysqli-driver in order to avoid 2006-errors? Thanks!

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  • count of paths from A[a,b] to A[c,d] without duplicating?

    - by Sorush Rabiee
    I write a sokoban solver for fun and practice, it uses a simple algorithm (something like BFS). now i want to estimate its running time ( O and omega). but i need to know how to calculate count of paths from a vertex to another in a network. each path from a to b is a sequence of edges with no circuit. for example this is a correct path: http://www.imgplace.com/viewimg143/4789/501k.png but this is not: http://www.imgplace.com/viewimg143/6140/202.png

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  • Delegating Struts action class management to Spring raises MTIA critical voilation in Findbugs

    - by shabeer
    When i use "Delegate Struts Action management to Spring" approach explained in http://www.ibm.com/developerworks/java/library/j-sr2.html#N101B7 things work fine in terms of functionality but findbugs reports following voilation Dodgy - Class extends Struts Action class and uses instance variables:MTIA I have bean dependencies injected into action class through spring . Please help me and suggest me a cleaner way to solve this problem. Thanks

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  • Does IBM WebSphere MQ support a 64 bit client on windows?

    - by orpeles
    Title says it all :) No, seriously, I'm porting a C++ 32 bit application to 64 bit on windows. The application is a client of IBM WebSphere MQ. It uses the MQ client API. Now, as the port progresses, I'm trying to find a 64 bit client. So far, no luck. Does anyone here happen to know if where I can find one, or, god forbid, confirm that there isn't one? Regards, Or

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  • how to use variable name with image tag

    - by drake
    my controller uses code like this: if params[:commit] == "Submit" this used to work fine when I just had buttons. however, now I am using images as buttons like below: <%= image_submit_tag 'butons/Add-08.png', :class => 'image-button-submit' %> How can I pass the commit variable with value Submit along with this image_submit_tag?

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  • Trying to understand the usage of class_eval

    - by eMxyzptlk
    Hello everyone, I'm using the rails-settings gem, and I'm trying to understand how you add functions to ActiveRecord classes (I'm building my own library for card games), and I noticed that this gem uses one of the Meta-programming techniques to add the function to the ActiveRecord::Base class (I'm far from Meta-programming master in ruby, but I'm trying to learn it) module RailsSettings class Railtie < Rails::Railtie initializer 'rails_settings.initialize', :after => :after_initialize do Railtie.extend_active_record end end class Railtie def self.extend_active_record ActiveRecord::Base.class_eval do def self.has_settings class_eval do def settings RailsSettings::ScopedSettings.for_thing(self) end scope :with_settings, :joins => "JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}')", :select => "DISTINCT #{self.table_name}.*" scope :with_settings_for, lambda { |var| { :joins => "JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}') AND settings.var = '#{var}'" } } scope :without_settings, :joins => "LEFT JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}')", :conditions => 'settings.id IS NULL' scope :without_settings_for, lambda { |var| { :joins => "LEFT JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}') AND settings.var = '#{var}'", :conditions => 'settings.id IS NULL' } } end end end end end end What I don't understand is why he uses class_eval on ActiveRecord::Base, wasn't it easier if he just open the ActiveRecord::Base class and define the functions? Specially that there's nothing dynamic in the block (What I mean by dynamic is when you do class_eval or instance_eval on a string containing variables) something like this: module ActiveRecord class Base def self.has_settings class_eval do def settings RailsSettings::ScopedSettings.for_thing(self) end scope :with_settings, :joins => "JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}')", :select => "DISTINCT #{self.table_name}.*" scope :with_settings_for, lambda { |var| { :joins => "JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}') AND settings.var = '#{var}'" } } scope :without_settings, :joins => "LEFT JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}')", :conditions => 'settings.id IS NULL' scope :without_settings_for, lambda { |var| { :joins => "LEFT JOIN settings ON (settings.thing_id = #{self.table_name}.#{self.primary_key} AND settings.thing_type = '#{self.base_class.name}') AND settings.var = '#{var}'", :conditions => 'settings.id IS NULL' } } end end end end I understand the second class_eval (before the def settings) is to define functions on the fly on every class that 'has_settings' right ? Same question here, I think he could use "def self.settings" instead of "class_eval.... def settings", no ?

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  • AESlibrary only two lines

    - by user303968
    Does anyone know a c++ library that uses advanced encryption standard encryption that can achieve encryption and decryption (using counter mode) in just two lines of codes. No need of padding or buffering the plaintexts the library will take care of all this. I have had a look at crypto++, openssl and libtomcrypt but in these it seems I need to write codes to buffer and pad the plaintexts which I don't want. In brief, I need something along these lines: ciphertext = encrypt(ctr_mode(),plaintext,key) plaintext = decrypt(ctr_mode(),ciphertext,key) Thanks!

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  • Should I use fork or threads?

    - by shadyabhi
    In my script, I have a function foo which basically uses pynotify to notify user about something repeatedly after a time interval say 15 minutes. def foo: while True: """Does something""" time.sleep(900) My main script has to interact with user & does all other things so I just cant call the foo() function. directly. Whats the better way of doing it and why? Using fork or threads?

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  • Quake3 on linux with SDL

    - by quaker
    Hi, I'm porting Quake3 on linux using quake3 open source. I used ioquake3, but It uses SDL library. Do you know how to compile the quake3 without SDL and OpenAL with ioquake3? Or anyone have the quake source which is not included the linbrary? And I don't want to compile using perl scrip, neither. I want to compile with only makefile. Thank you!

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  • Using the Google AJAX Search API for SEO Purposes

    - by User
    I am looking at writing a .net application that uses the Google AJAX Search API to determine where our website falls for a given term compared to a competitor. I can find alot about the old SOAP API however for the new AJAX api I cannot find any information on the following: Is this sort of use allowed as the Terms of use are vague Is there a limit to the number of requests per day As you can only get a max of 8 results at a time, is the only way to get the top 100 results to keep requesting the next set and is this an issue? Thanks

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  • C# to Delphi Prism code converter

    - by Jim McKeeth
    I know CodeGear made BabelCode that uses the Code DOM to convert C# to Delphi for .NET. I am curious if there are any other similar tools to convert C# to Delphi Prism? If not, what is involved in using the Code DOM to create one (yeah, that is open ended!)

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  • IE7 Animation with PNG transparency

    - by Kenneth B
    Hi guys and gals I've made a jQuery animation, which fades through some logoes that all uses PNG transparency. In IE the transparency disappears. I've tried unitpngfix.js but it doesn't work. The site is: http://tinyurl.com/yc5wdpr Note: Try using Firefox to see the wanted effect. Can any of you, see what the problem is?

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  • shell_exec() Doesn't Show The Output

    - by Nathan Campos
    I'm doing a PHP site that uses a shell_exec() function like this: $file = "upload/" . $_FILES["file"]["name"]; $output = shell_exec("leaf $file"); echo "<pre>$output</pre>"; Where leaf is a program that is located in the same directory of my script, but when I tried to run this script on the server, I just got nothing. What is wrong?

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  • Design pattern for Fat Client - Thin Client to use Common code?

    - by kurozakura
    Windows-based client application and web-client application(consuming the same code which windows-client uses) what is the preferable pattern for this scenario? Is it ok to have the code in the common place where both the projects and refer it as dll i.e one which is a windows app and other which is going consume the same code which windows client will be exposing.

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  • Good reasons to pass paths as strings instead of using DirectoryInfo/FileInfo

    - by neodymium
    In my new code I am not using strings to pass directory paths or file names. Instead I am using DirectoryInfo and FileInfo as they seem to encapsulate a lot of information. I have seen a lot of code that uses strings to pass directory information then they "split" and "mid" and "instr" in long incomprehensible statements until they get the part of the directory they are looking for. Is there any good reason to pass paths as strings?

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