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• excel function to get value of another cell

  - by geff_chang

  I hope the image above can explain what I need. :) Problem 1: Get the date where it is the first value in the row Problem 2: Get the date where the value is 100 I would also attach the actual excel file, but I am limited to posting only 1 link.

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• J2EE v6 and .NET 4.0 comparison

  - by sme89288

  We are running our applications on .NET 3.5 and are planning on either updating to .NET 4.0 or switching entirely to the Java platform, J2EE v6, as we've heard from some clients that "it's better." Can anyone either explain some of the large differences between the two platforms and maybe what kind of costs would be associated with switching to Java rather than just updating, or point me to some articles or papers that make such comparisons? Thanks!

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• What is a framework? What does it do? Why do we need a framework

  - by Anxious

  Hi, Can someone please explain me what a framework is? Why do we need a framework? What does a framework do to make our life easier?

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• What is the general in use language programming? [closed]

  - by mehdi

  Which one of language programming do you prefer or use generally? What is your reasons for this? Please explain your reasons.

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• What is the proof of of (N–1) + (N–2) + (N–3) + ... + 1= N*(N–1)/2

  - by Skystar3

  Hello, I got this formula from a data structure book in the bubble sort algorithm. I know that we are (n-1) * (n times), but why the division by 2? Can anyone please explain this to me or give the detailed proof for it. Thank you

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• Transform a listbox to textbox.

  - by trikalos

  I want to transform a listbox to textbox when I'm clicking a checkbox. To explain, i have a listbox that contains addresses and if an address does't belong in the list someone can click to a checkbox called 'another address';so he can put another address.Thanx for your answer...

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• what are dependencies in rails/ruby

  - by markiv

  I am a beginner is rails, every now and then I come across dependencies. I tried to figure out what it means, but was not able to. Can someone please explain me what it means?

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• something about C++ unnamed namespace.

  - by Javran

  #include <iostream> namespace { int a=1; } int a=2,b=3; int main(void) { std::cout<<::a<<::b; return 0; } I complie it with my g++,but the output is 23, who can explain it? is that a way to get access to the <unnamed> namespace ::a?

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• passing argument to ajax call from view

  - by jree

  In my application i need to pass one argument to controller through ajax call on textbox keyup. through submit its wotking but i need thro keyup and ajax is must. Anyone plz explain using small sample Thanks,

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• Problem when uplaoding php file

  - by justjoe

  can anybody explain why uploaded php files treated by a server as a text file ? The symptom is when i try to access a php file, the server send me the content of the file.

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• What is the best .NET type for collections where each key can have multiple values?

  - by srinig29

  Hi friends, I have one key but different values for that key, I tried HashTable but i dont think that is the rite way of doing it. I'll explain in detail what is is requirment is: I have a Key - "Asp.net" for that i have n no of values - 61, 67, 100 So i have to store this somewhere like Dictionary or hash table. TIA

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• xslt: operations on new elements

  - by user1495523

  Could you please explain in case we could perform any operations on newly included elements using xsl? To explain using an example: if we have the following input file <?xml version="1.0" encoding="UTF-8"?> <top> <Results> <a>no</a> <b>10</b> <c>12</c> <d>9</d> </Results> <Results> <a>Yes</a> <b>8</b> <c>50</c> <d>12</d> </Results> </top> We need the final result as <?xml version="1.0" encoding="UTF-8"?> <top> <Results> <a>no</a> <b>10</b> <b_>10</b_> <c>12</c> <c_>12</c_> <d>9</d> <e_>11</e_> </Results> <Results> <a>Yes</a> <b>8</b> <b_>8</b_> <c>50</c> <c_>50</c_> <d>12</d> <e_>29</e_> </Results> </top> Where: b_ = b, c_ = c, & e_ = (b_ + c_)/2

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• What is the difference between polymorphism and encapsulation ? [closed]

  - by anu

  I want to know the difference between polymorphism and encapsulation. Can you please explain with a legibly good example.

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• Using PHP to access a MySQL database

  - by casperghost

  I would like to access a MySQL database using PHP. Can someone please explain the basic steps involved in doing that?

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• redefinition c++

  - by coubeatczech

  hi, how does header including in c++ work? I have the classes already implemented in .h file and when there is #include in two files, there's this error: files.h:14:7: error: redefinition of ‘class abstract_file’ files.h:14:20: error: previous definition of ‘class abstract_file’ multiple times for each class and enum. Can anyone explain this?

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• What is $_REQUEST ? $_POST and $_GET ?

  - by justjoe

  basically i know what those $_REQUEST, $_POST, and $_GET cause i use apache as my server. But would any body kind enough to explain more about how to use it in real web application today ?

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• F#, Shadowing and Nested function

  - by Lian

  Hi! Here I want to understand how the mechanism of Shadowing and Nested function work. For example: let func y = let dup y = y + y let z = dup y let dup y = let dup z = let y = y * z y let z = y y dup z + z;; val func : int -> int > func 3;; val it : int = 12 Can someone explain what happen here?

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• question about sizeof

  - by davit-datuashvili

  can anybody explain me what will be equivalent of this in java? for (i =(sizeof(num)*8-1); i; i–)

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• has_and_belongs_to_many vs has_many through

  - by piemesons

  Please explain the difference between has_and_belongs_to_many and has_many through relationship..!!! When and where to use which one..??

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• Check value existance while performing a UPDATE query

  - by nimo

  Hi, I need to perform a simple update query where the update should only be done, if there is no value with updating value (item_name). For example, DB table [item_types] item_id(PK) | item_name Assuming there exist item_id with 6, My attempt is UPDATE item_types as k SET k.item_name = 'item_1' WHERE NOT EXISTS (SELECT * FROM item_types as a WHERE a.item_name = 'item_1') AND k.item_id = '6' But this gives me error "You can't specify target table 'k' for update in FROM clause" Could you please explain the error here and how can I achieve this ? Thank you

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• Which is the best way to store a key which matches multiple values in C#?

  - by srinig29

  Hi friends, I have one key but different values for that key, I tried HashTable but i dont think that is the rite way of doing it. I'll explain in detail what is is requirment is: I have a Key - "Asp.net" for that i have n no of values - 61, 67, 100 So i have to store this somewhere like Dictionary or hash table. TIA

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• Replace links from specific domain with text (PHP)

  - by nuphero

  Hi guys. I have : <a href="http://abc.com">Title</a> And : <a href="http://xyz.com">Title</a> I want to replace link to text "Title", but only from http://abc.com. But I don't know how ( I tried Google ), can you explain for me. I'm not good in PHP. Thanks in advance.

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• python floating number

  - by zhack

  i am kind of confused why python add some additional decimal number in this case, please help to explain >>> mylist = ["list item 1", 2, 3.14] >>> print mylist ['list item 1', 2, 3.1400000000000001]

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• Java: What is "for (;;)"

  - by Phuong Nguy?n

  Would any one please explain this instruction for me: for (;;) I have encountered several kinds of these mark (like in ajax code of facebook and in concurrent stuff of Java).

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• ( .NET 2.0 - C# ) - Whether we can use WPF in .NET 2.0 ?

  - by John

  If it is possible, pls explain me how we can implement WPF in .NET 2.0 with C#. Thanks..

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