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• Problem with echoing my array data in PHP

  - by ggfan

  I want to create an array of numbers: 10, 9,8...to 1. But when I echo $numbers, I get "Array" as the output as to the numbers. There is probably a simple thing I missed, can you please tell me. thanks! $numbers=array(); for ($i=10; $i>0; $i--){ array_push($numbers, $i); } echo $numbers;

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• What gems/plugins can be used for Unsubscribe support in Rails?

  - by user550575

  What gems/plugins that make it easy to add a tamper-resistant unsubscribe link to the bottom of the email a user can click to prevent receiving email those types of emails? The only thing I could find was http://kevinlochner.com/handling-unsubscribe-requests-in-ruby-on-rail which works but is somewhat unsophisticated and lacks features such as which type of emails to unsubscribe from. It also doesnt include the mechanism for users to unsubscribe. We using ActionMailer.

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• Accessing class variable with string name?

  - by coure06

  I have a class like this $.fn.dimeBar = function(custom) { var var1 = 'test1'; var var2 = 'test2'; if(sometest){ //how can i access var1 or var2 here by using string name of variables //some thing like alert(this['var1']) -- should alert: 'test1' } }

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• Should I use AJAX or get every data beforehand

  - by rix501

  I have a web app where I need to change a drop down list dynamically depending on another drop down list. I have two options: Get all the data beforehand with PHP and "manage" it later with Javascript. Or get the data the user wants through AJAX. The thing is, that the page loads with all the data by default and the user can later select a sub category to narrow the drop downs. Which of the two options are better (faster, less resource intensive)?

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• Make openGL lines connected

  - by user146780

  Right now I'v created a polygon, then I do the same thing but with line_loop to draw the outline. My issue right now is if I set the line thickness to high, the lines arn't connected. Their ends would need to be (linewidth) longer... is there a way to fix this? Thanks

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• Java - Method Invocation & Execution

  - by Paul

  What is the difference between the invocation and execution of a method ? Are two the same thing ?

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• request: compile c++ source for 64bit windows

  - by Kellyh

  Hi, First of all, i hope i post in the right section. I came across this best media convertor open source software. It works fine and the most convenience thing about this software is the context menu however the context menu isn't working on Windows 7 64bit. Since i have no knowledge with c++, Can you one here generously help me compile it into 64bit version. Below are the software I am talking about Homepage: htp://www.oxelon.com/media_converter.html Source: http://sourceforge.net/projects/oxelonmediaconv/files/oxelonmediaconv/oxelon_source_code/omc_src.zip/download

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• What's the difference between {} and [] in MATLAB?

  - by Runner

  >> A={1 2;2 3} A = [1] [2] [2] [3] >> A=[1 2;2 3] A = 1 2 2 3 It seems to me they are essentially the same thing?

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• Access error in Windows 7

  - by Sathish

  I am working on a windows appliciation in which i create a folder at runtime and save some xml files in the folder.... Every thing works fine in Windows XP but when i run this in Widows 7 / Vista i get the error saying Access to the path is denied.. i am creating the folder in C:\Programfiles\MyApplication\ Please help me in resolving this

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• How to find if string contains letters and spaces (php)?

  - by Ole Jak

  So I need to get value false or true if string contains not only letters of all european and east alphabets and " "(space) and "-" minus. How to do such thing with some $a string?

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• Where can i learn about search engine crawling and SEO?

  - by acidzombie24

  I have asked What should i know about search engine crawling? Now i would like to know where can i learn about search engines and search engines optimization? Instead of reading dozen of articles with most saying the same thing as another i would like to read one book or resource and find everything i need to know.

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• actionscript 3.0 - .swf nested within a .swf?

  - by Sylos

  I know how to load in a .swf from an external file. However, I don't know how to run one that's already in the library. Is it possible to have a .swf nested within a .swf? I want the final thing to be just one file. Please help!

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• What kind of data type is this?

  - by mystify

  In an class header I have seen something like this: enum { kAudioSessionProperty_PreferredHardwareSampleRate = 'hwsr', // Float64 kAudioSessionProperty_PreferredHardwareIOBufferDuration = 'iobd' // Float32 }; Now I wonder what data type such an kAudioSessionProperty_PreferredHardwareSampleRate actually is? I mean this looks like plain old C, but in Objective-C I would write @"hwsr" if I wanted to make it a string. I want to pass such an "constant" or "enum thing" as argument to an method.

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• How do I sort a list of python Django objects?

  - by alex

  In Django, I have a model object in a list. [object, object, object] Each object has ".name" which is the title of the thing. How do I sort alphabetically by this title? This doesn't work: catlist.sort(key=lambda x.name: x.name.lower())

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• What does this expression mean "!!"

  - by Alex

  Why would somebody use an expression like var obj = {}; if(!!obj) alert('exists'); instead of just if(obj) alert('exists'); ? Is there another usage for the "!!" thing ?

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• access forms: forcing UCASE in a textbox

  - by every_answer_gets_a_point

  i would like to force the textbox to immediately change the text to UCASE as soon as the user moves away from the field. is this possible? the important thing is that this text will be used in a SQL query to update a table.

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• Reflection in Ruby. Instantiate an object by given class name

  - by vooD

  I came to ruby from PHP. How could i do the next thing in ruby? $className = 'ArrayObject'; $arrayObject = new $className(); Thank you for any help!

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• iPhone:How do i insert few rows in the middle of existing table?

  - by user187532

  Hello all, If i want to insert few rows in the middle of the existing table, how do i approach it? Where all that i should be careful when doing such thing? Is there any good sample source available? Appreciate your helps. Thank you.

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• c++ container allowing you to sort items by when they where last accessed?

  - by Stowelly

  Does such a thing exist? or could anyone please recommend how I could implement such a container? basically I have a std::map which uses a 64bit integer as its key and a custom datatype as the containing item. I need to be able to periodically remove items that havent been accessed in a while in the most optimal way. does anyone have any suggestions for this? cheers

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• When To Use this.method()?

  - by Soo

  Hi SO, and happy Friday I have a question regarding the use of this.method();. My code seems to work without using the this., but I include it because it seems like the right thing to do. When should .this be used, and because it's presence doesn't always make a difference, what's the best practice for .this?

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• how i can get the contentWindow.location of the iframe where the iframe src contain different domain

  - by sara_mara 32

  how i can get the contentWindow.location of the iframe where the iframe src contain different domain name? i have googling about this , but i found some thing like proxt, so how i can get the location of the window inside iframe where iframe src is not on the same domain?

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• How do I take a slice of a list (A sublist) in scheme?

  - by troelskn

  Given a list, how would I select a new list, containing a slice of the original list (Given offset and number of elements) ? EDIT: Good suggestions so far. Isn't there something specified in one of the SRFI's? This appears to be a very fundamental thing, so I'm surprised that I need to implement it in user-land.

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• Why are scrollbars appearing on my site on mobile devices?

  - by kcgolden

  I'm trying to make a small project site that's responsive using twitter-bootstrap and ember.js. It looks great on desktop and mostly scales to mobile devices except for one thing: x and y scrollbars appear on my android phone for the page. I don't know if this is the case on iPhone because I don't have one available at the moment. My site is here Can anyone see anything obvious in the inspector?

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• how to print numbers using for loop in java?

  - by Balkrushn Viroja

  I have one text box in which I take the value of how many number do you want to print. Now My question is that how can I use for loop so that the number which I want to print is equal to the number that I got from textbox.One more thing is that i want to print only three numbers in one line. i.e. If I got 14 in my text box the result will look like below. 1 2 3 4 5 6 7 8 9 10 11 12 13 14

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• converting timestamp to nanoseconds

  - by kuki

  I have a certain value of date and time say 28-3-2012(date) - 10:36:45(time) . I wish to convert this whole timestamp to nanoseconds with the precision of nanoseconds. As in the user would input the time and date as shown but internally i have to be accurate upto nanoseconds and convert the whole thing to nanoseconds to form a unique key assigned to a specific object created at that particular time. Could some one please help me with the same..

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