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• date in future for Rails

  - by Adnan

  Hello, I am trying to make a validation that will validate that the entered date is in future and that the selected date is in the next 7 days. In order to validate if the date is in future I use; valid_until.future? and this one works fine, but to make a validation to check if the date selected is withing 7 days from now?

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• C++: Life span of temporary arguments?

  - by shoosh

  When creating a new instance of a MyClass as an argument to a function like so: class MyClass { MyClass(int a); }; myFunction(MyClass(42)); does the standard make any grantees on the timing of the destructor? Specifically, can I assume that the it is going to be called before the next statement after the call to myFunction() ?

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• i have a date (eg: 2010-04-17 ) i need the date of after 20 days from this date

  - by Ranjana

  i have a date (eg: 2010-04-17 ) i need the date of after 20 days from this date How to get the date after 20 days i.e next month some date. either in sql or in c#

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• pass values from one screen to another?

  - by Sumi

  Hi all. I need to pass data's (String) from one screen to another screen.At the time of button click i need to pass values from first screen to the next screen.I am new to android.Can anyone help me ?

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• Default parameters in ActionScript 3.0

  - by camusgroup

  I have a function, for example function test(p1:int=7,p2:Boolean=true,p3:uint=0xffff00,p4:Number=55.5) { //instructions } How to change only p4, for example, and parameters p1,p3,p3 was still default? Next time I want to change for example only p2, and parameters p1,p3,p4 was still default? etc.

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• finding if an anniversary is coming up in n days in MySql

  - by user151841

  I have a table with anniversary dates. I want a query that returns me rows of anniversaries coming up in the next 10 days. For instance: birthdate --------- 1965-10-10 1982-05-25 SELECT birthdate FROM Anniversaries WHERE mystical_magical_mumbo_jumbo <= 10 +------------+ | birthdate | +------------+ | 1982-05-25 | +------------+ 1 row in set (0.01 sec) I'd like to keep the query in the form x <= 10, because I'll use that number 10 in other parts of the query, and if I set it to a variable, I can change it once everywhere by changing the variable, and not have to re-write the query.

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• Why is my input textbox extending outside margins in BlackBerry and Android, but not iOS?

  - by Dallas

  I have an input field that is extending well beyond the rest of the page, but as the question alludes to, it appears fine in iOS. I am wondering if anyone has run into this issue. My search button, which in iOS is on the right of the search textbox, actually wraps to the next "line" on the other two platforms. I am not using a table, just inside a div, and the CSS isn't doing anything fancy. Any ideas?

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• Writting a getter for a pointer to a function .

  - by nomemory

  I have the following problem: "list.c" struct nmlist_element_s { void *data; struct nmlist_element_s *next; }; struct nmlist_s { nmlist_element *head; nmlist_element *tail; unsigned int size; void (*destructor)(void *data); int (*match)(const void *e1, const void *e2); }; /*** Other code ***/ What will be the signature for a function that returns 'destructor' ?

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• Question related to state maintainance

  - by user217572

  I have 10 views with UINavigationController in hiereachy now when i want to go back from 10 to 9 ,and so on by back button which method should i use? 1popviewCOntroller 2popToViewController I have set fixed value for all views.at application launch i get that value for that value i intialize rootviewController with use of UINavigationController and my rootviewcontroller is nothing but first view and after that on next line i'm pushing a particular view. plz help me out

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• this parameter modifier in C#?

  - by Ivan

  I'm curious about this code snippet: public static class XNAExtensions { /// <summary> /// Write a Point /// </summary> public static void Write(this NetOutgoingMessage message, Point value) { message.Write(value.X); message.Write(value.Y); } // ... }; What does the this keyword mean next to the parameter type? I can't seem to find any information about it anywhere, even in the C# specification.

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• Use arrayaccess with static class

  - by user308776

  Hello, how I can use array acces with my static class? F.e. I like to execute next script: class A { ... } A['p'] = 15; echo isset(A['p']) ? A['p'] : 0;

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• LINQ Query and DateTimes....

  - by AlwaysBeCoding

  Im trying to get the Sum() from an Entityset with the next query. (from MyObject p in SelectedObject.MyObjectEntitySet where p.AColumn.HasValue && (p.ADate >= dateTimeValue && p.ADate <= dateTimeValue2) select p.AColumn.Value).Sum(); with no luck retrieving correct sum. Any Ideas?

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• How do I search for two separate text strings in an emacs buffer SIMULTANEOUSLY?

  - by Siddharth

  For example, I open a file called "abc.txt". Now I want to search for all occurrences of "he is" and "first" simultaneously. I want to be able to do a search forward i.e. Ctrl-s and I'll reach the next instance of either of the two search strings.

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• PHP - How do i display the first 20 li then have a link to display more (gallery)

  - by Matt Rogers

  I want to display about 20 li on a page with a link at the bottom that says something like 'display more'. This link will then clear the first 20 and display the next 20. How should i go about doing this. (I am creating a gallery) I was thinking about using PHP and MySQL. However for what I am doing I do not really need to store it in a database so is there an easier way of doing it only using html, php or javascript? thanks

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• Stuck. I need some VBA code to insert double-quotes around strings in each cell in an excel range.

  - by cmm

  I'm familiar with VB.NET, but VBA in excel has me stumped. With my best attempt, I get a "Type mismatch" error: Sub AddQuotes() For Each x In Range("List").Cells x.Text = "*" * " & x.text & " & "*" Next End Sub

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• Selecting min date excluding 0000-00-00

  - by nsw1475

  I am running a query in SQL, and I need to select a minimum date that is not 0000-00-00. Is there any way to exclude this value and choose the next minimum date?

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• User monthly payment system

  - by SomCollection

  I want to create a monthly payment system for community members, at this point I have figured out that I need the following tables in my mysql database. Edited Users table user_id, first_name, last_name Payment table payment_id,user_id,amount,due_date,payment_date,total What I need to display list of users who did not pay 6th of every month. How do I do this? And once the last day of the month is reached, how do I move to the next month?

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• What is difference between \n and \r?

  - by terrani

  Hi, What is difference between \n (newline) and \r (carriage return)? They both move current cursor to the next line. Are they same?

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• on error is it possible to ignore exception?

  - by every_answer_gets_a_point

  how do i ignore exceptions in c#? i am reading a remote xml file, and sometimes the tag doesnt exist and it throws an exception. how do i ignore the exception and goto next?

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• Is there a jQuery equivalent of this flash effect? (sliding effect)

  - by janoChen

  I know Coda Slider and Easy Slider. But, I would like a jQuery plugin which shows the next and previous image with low opacity. Like this example: http://www.muratsuyur.com/.

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• c#: on error is it possible to ignore exception?

  - by every_answer_gets_a_point

  how do i ignore exceptions in c#? i am reading a remote xml file, and sometimes the tag doesnt exist and it throws an exception. how do i ignore the exception and goto next?

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• How do i put an X on the right side of a <a> block?

  - by acidzombie24

  if i remove a.three display block this shows up fine. However what i want is the X to be at the right side. I tried float: right but it puts the x on the next line. How do i get the X on the same line? Here is some code.

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• How to create Local Data Caching in c# WinApps?

  - by kurt_jackson19

  Anyone can give me an example on how to create local data caching? Like for example I query 10 millions records from my DB and I want to store it in my local so that I would not encounter performance problem next time when I want to reload the data. Thank you so much.

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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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• Is there a number which is square of one number and cube of another one? [closed]

  - by Roman

  I want some number a for which next statements are true: a = b ^ 2; a = c ^ 3;

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