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• maintaining TreeSet sort as object changes value

  - by Stevko

  I've got a object that defines a 'natural sort order' using Comparable<. These are being stored in TreeSets. Other than removing and re-adding the object, is there another way to update the sort when the members that are used to define the sort order are updated?

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• Python pattern search in a string

  - by Hulk

  In python if a string contains the following, print valid_str The output of this is Record is positive in tone: It emphasizes "what a child can do and his or her achievements, as opposed to what he or she cannot do," explains the It is useful for progress and achievements during office conferences How to search for the pattern It is useful in the above string and if not found return something. Thanks..

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• How to convert string into datetime

  - by jstawski

  Hello fellow stackoverflowers, quick question. I'm using C# 3.5 and I have a date that comes in as string in the following format: Tue Jan 20 20:47:43 GMT 2009 First question, what is the name of that format? Second question, what's the easiest and clearest way to convert this string into a datetime? I would love to be able to use a .net API/Helper method if possible. Thanks a bunch...

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• Transferring object from parent to child

  - by waiwai933

  I'm currently developing an Custom Application using the IP.Board framework, which is in PHP, which by default, creates a IPSMember object for the logged-in user. However, I'm developing an additional class, basically class SpecialUser extends IPSMember Is there a way to get the parent object, which is IPSMember to change to SpecialUser?

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• How to select only hidden folder from String[]?

  - by Amit Kr. Ghosh

  I want to know how to get only hidden folder from String[]. Actually I have one string array and there show some files. There have normal and hidden files also but I want to try select only hidden folder from this array. So anyone can help me?

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• Add 'x' 30 mins blocks to time string (javascript)

  - by Mikey1980

  I have a 24 hour time string (ie 16:30) and would like to add x time blocks of 30 mins. For example if x = 4, then 16:30 + 4(30) = 18:30. Is there any easy way to do this with out exploding the string and doing if statements for mins/hours.. etc? Also this is on a php page would it be easier to do this in php then echo it to the javascript? Thanks for the help!

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• Putting a link to a flash object in a template

  - by aron

  I have a asp.net master page that gets used by pages many /levels/deep/ I will put a link to a flash file in this template. I tried doing it like this but it did not work, what the best practice here? <object width="924" height="200"> <param name="movie" value="/live.swf"> <embed src="/live.swf" width="924" height="200"> </object>

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• How to find out the subclass from the base class object

  - by Vaishak Suresh

  Is there a way to find out the derived class's name from a base class object? ex: class A{ .... } class B extends A{ ... } class c extends A{ ... } now if a method returns an object of A, can I find out if it is of type B or C?

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• Will changing an Object signature break a WCF method call using that Object?

  - by myotherme

  If I have an object that holds the parameters for my method. I need to change the Object to have an additional property. I have full control over the server, but not over all of the clients. Will this change make those clients break? I am using a self-hosted service with a binary endpoint. I am new to WCF so my apologies if this is a silly question.

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• How to convert string with TLF format into TextFlow in Flex

  - by Tam

  I used TextConverter to convert a TextFlow in Flex to String to store it in my Database. How to convert that string back to TextFlow in order to display in Rich Text format

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• Empty object check

  - by developer

  Is there a way to know if all the properties in an object are empty. My object represents fields from database and I want to know if a particular record is present or not. NULL doesnt seem to work.

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• c++, object life-time of anonymous (unnamed) variables

  - by Joe Steeve

  In the following code, the object constructed in the last line of 'main()', seems to be destroyed before the end of the expression. The destructor is called before the '<<' is executed. Is this how it is supposed to be? #include <string> #include <sstream> #include <iostream> using std::string; using std::ostringstream; using std::cout; class A : public ostringstream { public: A () {} virtual ~A () { string s; s = str(); cout << "from A: " << s << std::endl; } }; int main () { string s = "Hello"; A os; os << s; cout << os.str() << std::endl; A() << "checking this"; } This is the output: Hello from A: 0x80495f7 from A: Hello This is the gdb log: (gdb) b os.cxx : 18 Breakpoint 1 at 0x80492b1: file os.cxx, line 18. (2 locations) (gdb) r Starting program: /home/joe/sandbox/test/os Hello Breakpoint 1, ~A (this=0xbffff37c, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at os.cxx:18 18 cout << "from A: " << s << std::endl; (gdb) p s.c_str () $1 = 0x804b45c "0x80495f7" (gdb) p *s.c_str () $2 = 48 '0' (gdb) c Continuing. from A: 0x80495f7 Breakpoint 1, ~A (this=0xbffff2bc, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at os.cxx:18 18 cout << "from A: " << s << std::endl; (gdb) p s.c_str () $3 = 0x804b244 "Hello" (gdb) p *s.c_str () $4 = 72 'H' (gdb) c Continuing. from A: Hello Program exited normally. (gdb)

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• issue with $.ParseJSON which converts json string to null

  - by Aby

  I am using spring mvc in which i convert the arraylist into json string. I have one object 1) results. My output from spring looks like this: { "data":"[{\"userName\":\"test1\",\"firstName\":\"test\",\"lastName\":\"user\"}, {\"userName\":\"test2\",\"firstName\":\"test1\",\"lastName\":\"user1\"}]", } I get output as null when i do '$.parseJSON' with this output. When i tried testing only with data object it works fine Any help would be great.

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• javascript regular expression select html element with class="product" from string

  - by wizztjh

  lets say i use jquery.get to retrive a website to string and how am i gonna select the whole table with class=product from it? $() seem cant work on string ....

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• PHP check if string is just white space?

  - by John Isaacks

  I do not want to change a string nor do I want to check if it contains white space. I want to check if the entire string is ONLY white space. What the best way to do that?

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• How can i discover that object is attached to specific Object Context?

  - by Ahmed

  if i have 2 objectContexts for the same model each one hold some objects.. How can i find that object is attached to specific Object Context?

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• how can i use regex to get a certain string of a file

  - by chun

  Hi with linux bash shell , how can i use regex to get a certain string of a file by example: for filename *.tgz do "get the certain string of filename (in my case, get 2010.04.12 of file 2010.01.12myfile.tgz)" done or should I turn to perl Merci frank

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• PHP passing parameters while creating new object, call_user_func_array for objects

  - by Patrick

  Hi all, I would like to dynamically create a PHP object, and parameters would be optional. For example, instead of doing this: $test = new Obj($param); I would like to do something like this (create new ob is fictional): $test = create_new_obj('Obj', $param); Is there such function in php? Something similar to call_user_func_array, but for object instead.

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• Filename of script that instantiates an object

  - by Calvin L

  In PHP, is it possible to get the file name of the script that instantiated an object? For example I have a script called file.php that creates a new instance of class Class. The class has an Error object that, when triggered, returns some error information. I would like to show that file.php triggered the error.

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• Object responsibilities - list and item

  - by Mark Tyler

  My question is more like a theoretical. Say you have an object, that represents the list of something (articles, pages, accounts etc.) class ObjCollection You have a class, that represents a specific item in collection: class objItem I have a problem thinking of a basic responsibilities of each object. Which class is responsible for creating a new objItem? Which class is responsible for deleting a objItem? Should it delete itself as a method?

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• Custom action getting published multiple times on user's timeline for same object

  - by serpent403

  I just noticed that when I publish an action on the user's timeline for the same object multiple times, using facebook's 'built-in' action type (eg: 'read' an article), i get an error response, something like "action is already associated to the user on this object". But when i try to do the same for a custom action that i created(eg: 'agreed' with an article), I don't get any error message, instead the actions gets published multiple times. I want my custom action to behave just like facebook's default action-type.

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• alternate way of specifying string path to variable in C#

  - by Ruben Guico

  Hi Is there another way of assigning string path to variable aside from this: strPath = @"C:\Myfile.txt"; is there another way instead using "@" sign in the string path. thanks.

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• How to Ignore query string in a URL?

  - by jartaud

  Hello I have something like this: if(isset($_POST['btnProm'])){ $idads = mysql_real_escape_string($_POST['idAds']); require_once("adPromFrm.php"); } When a button is pressed, a form will appear.... When i refresh the page, the form doesn't disappear, but when i click a link with a query string (thisPage.php?lang=fr...), the form disappears. I know i m asking the form only if the button is pressed, but how can i ignore the query string.

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• Getting pattern string from java SimpleDateFormat

  - by D Lawson

  I have a SimpleDateFormat object that I retrieve from some internationalization utilities. Parsing dates is all fine and good, but I would like to be able show a formatting hint to my users like "MM/dd/yyyy". Is there a way to get the formatting pattern from a SimpleDateFormat object?

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• Assigining ID vs object - linq to sql

  - by jess

  Say, I have an entity Customer which has relationship with city,order etc.Now,when I am adding a customer object,should I assign customer.cityid, or customer.city? Now,from form I get cityid from dropdown,to assign city object,I will have to make a query using id selected.

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