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• difference between sfWidgetFormI18nChoiceLanguage and sfFormExtraPlugin in symfony?

  - by fayer

  to add a list form that contains all languages one can use the widget sfWidgetFormI18nChoiceLanguage that is included in symfony or install a plugin called sfFormExtraPlugin and use its form sfFormLanguage. this is mentioned in http://www.symfony-project.org/jobeet/1_4/Doctrine/en/19 i wonder what the difference is? why should i use the plugin when the standard widget could display a list of all languages? thanks

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• Difference between generator expression and generator function

  - by Neil G

  Is there any difference — performance or otherwise — between generator expressions and generator functions? In [1]: def f(): ...: yield from range(4) ...: In [2]: def g(): ...: return (i for i in range(4)) ...: In [3]: f() Out[3]: <generator object f at 0x109902550> In [4]: list(f()) Out[4]: [0, 1, 2, 3] In [5]: list(g()) Out[5]: [0, 1, 2, 3] In [6]: g() Out[6]: <generator object <genexpr> at 0x1099056e0>

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• what is the difference between triggers, assertions and checks (in database)

  - by Am1rr3zA

  Can anybody explain (or suggest a site or paper) the exact difference between triggers, assertions and checks, and also describe where I should use them? EDIT: I mean in database, not in any other system or language.

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• Find date difference in php?

  - by Karthik

  Is there anyway to find the date difference in php? I have the input of from date 2003-10-17 and todate 2004-03-24. I need the results how many days is there within these two days. Say if 224 days, i need the output in days only. I find the solution through mysql but i need in php. Anyone help me, Thanks in advance.

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• The difference between lists and sequences

  - by Peanut

  I'm trying to understand the difference between sequences and lists. In F# there is a clear distinction between the two. However in C# I have seen programmers refer to IEnumerable collections as a sequence. Is what makes IEnumerable a sequence the fact that it returns an object to iterate through the collection? Perhaps the real distinction is purely found in functional languages?

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• bash arrays - what is difference between ${#array_name[*]} and ${#array_name[@]}

  - by Ravi

  bash-3.00$ cat arr.bash #!/bin/bash declare -a myarray myarray[2]="two" myarray[5]="five" echo ${#myarray[*]} echo ${#myarray[@]} bash-3.00$ ./arr.bash 2 2 both are giving number of elements of array. So what is difference between the two?

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• Update time descriptions every minute using jquery/javascript

  - by Amy Neville

  I have created the following code to update the text contents of all spans like this every minute. There are numerous of these spans on the page which all need to be updated every minute: <span unix="1372263005" class="time_ago">4 minutes ago</span> The code is as follows: window.setInterval(function(){ var unix = $(".time_ago").text(); var now = new Date().getTime(); var amount = 0; var difference = 0; difference = now - parseInt(unix); if (difference < 60) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">a few seconds ago</span>'); } else if (difference < 120) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">a minute ago</span>'); } else if (difference < 3600) { amount = floor(difference / 60); $(".time_ago").text('<span unix="' + unix + '" class="time_ago">' + amount + ' minutes ago</span>'); } else if (difference < 7200) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">an hour ago</span>'); } else if (difference < 86400) { amount = floor(difference / 3600); $(".time_ago").text('<span unix="' + unix + '" class="time_ago">' + amount + ' hours ago</span>'); } else if (difference < 172800) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">a day ago</span>'); } else if (difference < 2635200) { amount = floor(difference / 86400); $(".time_ago").text('<span unix="' + unix + '" class="time_ago">' + amount + ' days ago</span>'); } else if (difference < 5270400) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">a month ago</span>'); } else if (difference < 31622400) { amount = floor(difference / 2635200); $(".time_ago").text('<span unix="' + unix + '" class="time_ago">' + amount + ' months ago</span>'); } else if (difference < 63244800) { $(".time_ago").text('<span unix="' + unix + '" class="time_ago">a year ago</span>'); } else (difference >= 63244800) { amount = floor(difference / 31622400); $(".time_ago").text('<span unix="' + unix + '" class="time_ago">' + amount + ' years ago</span>'); } return false; }, 60); EDIT) Ok, now I have made some changes on your advice but it's changing the span texts to 43351 years. Any ideas why it is doing that?

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• difference between SPI and API?

  - by koss

  What is the difference between Service Provider Interface (SPI) and Application Programming Interface (API)? More specifically, for Java libraries, what makes them an API and/or SPI?

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• Difference between SwingWorker and SwingUtilities.invokeLater

  - by Paul Szulc

  I need to run some method in Swing application in separate thread. What is the difference between using SwingWorker and SwingUtilities.invokeLater. Which one should I use to run a thread in Swing application? I couldn't find exact info in the tutorial at http://java.sun.com/docs/books/tutorial/uiswing/concurrency/index.html

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• The difference between the two functions

  - by Rushi

  What's the difference between: function sum(x, y) { return x+y; } // and var sum = function (x, y) { return x+y; } Why is one used over the other?

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• Query performance difference pl/sql forall insert and plain SQL insert

  - by user289429

  We have been using temporary table to store intermediate results in pl/sql Stored procedure. Could anyone tell if there is a performance difference between doing bulk collect insert through pl/sql and a plain SQL insert. Insert into or Cursor for open cursor fetch cursor bulk collect into collection Use FORALL to perform insert Which of the above 2 options is better to insert huge amount of temporary data?

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• Software Developer vs Programmer...Why the difference?

  - by Draco

  I would like to know the difference between a programmer and a software developer. From what I understand a programmer is someone who codes a solution whereas a software developer finds a solution to a particular problem and then designs the application. Is this correct?

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• What is the difference between dllexport and dllimport?

  - by 1800 INFORMATION

  I'm just looking for a simple, concise explanation of the difference between these two. MSDN doesn't go into a hell of a lot of detail here.

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• The difference between ping and pathping command?

  - by Chelsea_cole

  Hi guys, today i wanna ask you a question about internet network command. pathping = tracert+ping, so what is the difference between ping and ping in pathping command?? Thanks for read!^^ Goodtime!

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• Huge CPU usage difference for the same .NET 4 program on different machines

  - by Kelvin Li

  I have two servers, one running core i7 920 (8 logic CPUs at 2.8Ghz), the other running Xeon X3430 (4 logic CPUs at 2.4Ghz). For the same .NET 4 application, CPU usage on the first machine is 6%; on the second machine it is 50%! I wonder what makes this huge difference. And how can I diagnose the cause of the issue?

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• difference between ObservableCollection and BindingList

  - by Azhar

  I want to know the difference between ObservableCollection and BindingList because I've used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other. Why would I choose one of the following over the other? ObservableCollection<Employee> lstEmp = new ObservableCollection<Employee>(); or BindingList<Employee> lstEmp = new BindingList<Employee>();

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• difference between Convert.ToInt32 and (int)

  - by balalakshmi

  the following syntax throws an compile time error like Cannot convert type 'string' to 'int' string name=(Session["name1"].ToString()); int i = (int)name; whereas the code below compiles and executes successfully string name=(Session["name1"].ToString()); int i = Convert.ToInt32(name); I would like to know 1) why the compile time error occurs in first code 2) what's the difference between the 2 code snippets

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• ASP.NET AND ASP.NET MVC difference

  - by Guru

  I've heard so many times about ASP.NET and ASP.NET MVC. I've worked on some ASP.NET Webforms projects but I'm still not cleared about the difference between both of them.

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• Difference between boost::ref and regular references

  - by Venkat Shiva

  What is the difference between boost::ref(i) and & i ? What are the situations where we cannot use regular references and have to go for boost::ref instead?

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• What is the difference between array parameters in C

  - by STeN

  Hi, what is the difference between following function declarations, which create and return the array in C/C++? Both methods create the array and fill it with proper values and returns true if everything passed. bool getArray(int* array); bool getArray(int* array[]); Thanks Best Regards, STeN

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• Difference between Service Engineer and FAE

  - by JB

  I'm a young engineer looking into different fields I can get into, and recently I've come across tons of FAE jobs (live in Japan) Another position is a service engineering position. My question is what's the difference between a Field appllication engineer and service engineer? (I hear that FAE job's require more sales and human interaction with pre-sales and post-sales support? And service engineers are basically highly specialized technicians that service broken equipment or something?) Appreciate any help

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• what is the difference between Copy and retain ?

  - by senthilmuthu

  Hi, - (void)setString:(NSString*)newString { string = [newString copy]; } will u tell difference between copy and retain of NSString?

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• Difference between static and shared library in C

  - by Mohit Deshpande

  What is the difference??? I use Eclipse and there are several project types including Static Libraries and Shared Libraries? Does one have an advantage over the other?

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• Difference between Control Template and Data Template in wpf

  - by Archana R

  hello, Can someone elaborate the difference between Control template and Data template in wpf? It would be great if an example of how each can be used in different scenarios can be provided.

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• Please tell me difference between running query directly and executing it using exec

  - by Rajesh Rolen- DotNet Developer

  Please tell me what is difference == if i write query directly in storedprocedure == and write query in string variable and than run it in exec in stored procedure. i am using ms sql server 2005

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