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• jQuery autocomplete: how to split the string result?

  - by Matt

  I have the following situation with an autocomplete plugin on an .aspx page. It is working fine. The result from the autocomplete search yields a product id and a product description is concatenated with it (i.e. 2099 -- A Product). I know that I need to use split() with this but where do I put it? I'm still rather new to jQuery and javascript. $(document).ready(function() { $('.divAutoComplete').autocomplete("LookupCodes.aspx?type=FC", { mustMatch: true }); });

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• Moving and resizing JPanels object inside JFrame.

  - by Gabriel A. Zorrilla

  Continuing my quest of learning Java by doing a simple game, i stumbled upon a little issue. My gameboard extends JPanel as well as each piece of the board. Now, this presents some problems: Cant set size of each piece, therefore, each piece JPanel ocupy the whole JFrame, concealing the rest of the pieces and the background (gameboard). Cant set the position of the pieces. I have the default flow manager. Tried setbounds and no luck. Perhaps i should make the piece to extend other JComponent?

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• Implicitly create associated model from string

  - by singpolyma

  I have a model Post that has_many :tags I want to do: Post.create({:tags = ['tag1', 'tag2']}) How can I make that work?

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• SQL Server Concatinate string column value to 5 char long

  - by mrp

  Scenario: I have a table1(col1 char(5)); A value in table1 may '001' or '01' or '1'. Requirement: Whatever value in col1, I need to retrive it in 5 char length concatenate with leading '0' to make it 5 char long. Technique I applied: select right(('00000' + col1),5) from table1; I didn't see any reason, why it doesn't work? but it didn't. Can anyone help me, how I can achieve the desired result?

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• jquery animate from object center

  - by mtwallet

  Hi. I am trying to create a product viewer similar to the one at the bottom of this page http://www.logitech.com/en-gb/. As you can see the product animates from the center rather than top left which I think is Jquery's default. So what I am doing is trying animate the width and height and then also the offset to make it look like it animates from the center. My code looks like this: <style> body { background: black; } .box { background: #fff url('pic.jpg') no-repeat 0 0; width: 200px; height: 200px; margin: 10px 4%; float: left; } </style> <script type="text/javascript"> $(document).ready(function() { $(".box").hover(function() { $(".box").not(this).fadeTo(500, 0.5); $(this).animate({ width: 300, height: 300, left: -100, top: -100 }, 500); }, function() { $(this).animate({ width: 200, height: 200, left: 100, top: 100 }, 500); $(".box").fadeTo(500, 1); }); }); </script> I cannot seem to get this working as I want. Can anyone help with this or suggest a better technique? Many thanks

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• Does string concatenation use StringBuilder internally?

  - by JamesBrownIsDead

  Three of my coworkers just told me that there's no reason to use a StringBuilder in place of concatenation using the + operator. In other words, this is fine to do with a bunch of strings: myString1 + myString2 + myString3 + myString4 + mySt... The rationale that they used was that since .NET 2, the C# compiler will build the same IL if you use the + operator as if you used a StringBuilder. This is news to me. Are they correct?

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• Finding part of a string that a user has sent via POST

  - by blerh

  My users can send links from popular file hosts like Rapidshare, Megaupload, Hotfile and FileFactory. I need to somehow find out what filehost they sent the link from and use the correct class for it appropriately. For example, if I sent a Rapidshare link in a form on my web page, I need to somehow cycle through each file host that I allow until I find the text rapidshare.com, then I know the user has posted a Rapidshare link. Perhaps a PHP example: switch($_POST['link']) { case strstr($_POST['link'], 'rapidshare.com'): // the link is a Rapidshare one break; case strstr($_POST['link'], 'megaupload.com'): // the link is a Megaupload one break; case strstr($_POST['link'], 'hotfile.com'): // the link is a Hotfile one break; case strstr($_POST['link'], 'filefactory.com'): // the link is a Filefactory one break; } However, I know for a fact this isn't correct and I'd rather not use a huge IF statement if I can help it. Does anyone have any solution to this problem? If you need me to explain more I can try, English isn't my native language so it's kinda hard. Thanks all.

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• PHP form post, automatically mapping to an object (model binding)

  - by Pete Nelson

  I do a lot of ASP.NET MVC 2 development, but I'm tackling a small project at work and it needs to be done in PHP. Is there anything built-in to PHP to do model binding, mapping form post fields to a class? Some of my PHP code currently looks like this: class EntryForm { public $FirstName = ""; public $LastName = ""; } $EntryForm = new EntryForm(); if ($_POST && $_POST["Submit"] == "Submit") { $EntryForm->FirstName = trim($_POST["FirstName"]); $EntryForm->LastName = trim($_POST["LastName"]); } Is there anything built-in to a typical PHP install that would do such mapping like you'd find in ASP.NET MVC, or does it require an additional framework?

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• Summarize object area with a Hash in Ruby

  - by Arto Uusikangas

  require 'sketchup' entities = Sketchup.active_model.entities summa = Hash.new for face in entities next unless face.kind_of? Sketchup::Face if (face.material) summa[face.material.display_name] += face.area end end Im trying to get the structure in the array as such: summa { "Bricks" = 500, "Planks" = 4000 } Making a ruby script for Google Sketchup btw But if I run this code i only get Error: #+' for nil:NilClass> C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:17 C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:14:ineach' C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:14 C:\Program Files (x86)\Google\Google SketchUp 7\Plugins\test.rb:8:in `call' As im used to using PHP and just doing $array['myownassoc'] += bignumber; But i guess this isnt the right approach when using Ruby? So any help in how i need to go would be nice.

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• !Contains() of List object doesnt work

  - by Tony

  I am using Contains() to identify something that NOT contain in the list. So something like, if(!list.Contains(MyObject)) { //do something } but, the whole if statment goes to true even though MyObject is already in the list. Anybody what I am doing wrong? Thank you

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• Efficiently generate a 16-character, alphanumeric string

  - by ensnare

  I'm looking for a very quick way to generate an alphanumeric unique id for a primary key in a table. Would something like this work? def genKey(): hash = hashlib.md5(RANDOM_NUMBER).digest().encode("base64") alnum_hash = re.sub(r'[^a-zA-Z0-9]', "", hash) return alnum_hash[:16] What would be a good way to generate random numbers? If I base it on microtime, I have to account for the possibility of several calls of genKey() at the same time from different instances. Or is there a better way to do all this? Thanks.

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• Converting string to datetime

  - by duder

  I'm trying to enter a date in a mysql table `ssdate` datetime The function that produces the date can output it in 3 formats: 1276142400000 Thu Jun 10 00:00:00 GMT-0400 2010 Fri Jun 4 2010 I'm wondering which of these would be easiest to convert to this field format? Since I'm trying to save only the date, is there a better option than datetime that would work with one of these output formats?

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• Regex for Searching for Text Not Preceeded By a Specific String

  - by James

  Hi, I am working on a web site with several other developers and we have had problems where people commit JavaScript code with AJAX calls that use URL's relative to the site root. An example would be /Home/Index which will not work if the site is hosted in a virtual directory. To get round the problem we use a $.url() method to convert it to a full path, e.g. $("#container").load($.url("/Home/Index")) I am trying to write a unit test that will search each JavaScript file and find places where the $.url method is not being used. The only problem is that I cannot seem to write a regex expression to do this. I have tried the following: (?!\$\.url\()"(/\w*)+" But this does not work. I cannot find a way to say that I don't want the $.url in front. Does anyone know if this is possible? Note that I need regular expressions that are compatible with .NET Thanks.

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• Ruby: backslash all non-alphanumeric characters in a string

  - by HBlend

  I have a script where I need to take a user's password and then run a command line using it. I need to backslash all (could be more then one) non-alphanumeric characters in the password. I have tried several things at this point including the below but getting no where. This has to be easy, just missing it. Tried these and several others: password = password.gsub(/(\W)/, '\\1') password = password.gsub(/(\W)/, '\\\1') password = password.gsub(/(\W)/, '\\\\1')

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• Linq to Sql: Update Entity throug a new Object

  - by Dänu

  Hey Guys I'd like to update an entity via linq, but since I edit the entity in a view after serializing it, I don't have direct access to the entity inside the data context. I could do it like this: entity.property1 = obj.property1; entity.property2 = obj.property2; ... thats not cool... not cool at all. Next thing I tried is to do it via .attach() like so: context.Table.attach(entity, obj); doesn't work either. So is there another option short of reflection?

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• Compressing a hex string in Ruby/Rails

  - by PreciousBodilyFluids

  I'm using MongoDB as a backend for a Rails app I'm building. Mongo, by default, generates 24-character hexadecimal ids for its records to make sharding easier, so my URLs wind up looking like: example.com/companies/4b3fc1400de0690bf2000001/employees/4b3ea6e30de0691552000001 Which is not very pretty. I'd like to stick to the Rails url conventions, but also leave these ids as they are in the database. I think a happy compromise would be to compress these hex ids to shorter collections using more characters, so they'd look something like: example.com/companies/3ewqkvr5nj/employees/9srbsjlb2r Then in my controller I'd reverse the compression, get the original hex id and use that to look up the record. My question is, what's the best way to convert these ids back and forth? I'd of course want them to be as short as possible, but also url-safe and simple to convert. Thanks!

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• creative way for implementing Data object with its corresponding business logic class in java

  - by ekeren

  I have a class that need to be serialized (for both persistentcy and client-server communication) for simplicity's sake let's call the classes Business a BusinessData and I prefix for their Interfaces. All the getter and setter are delegated from Business class to BusinessData class. I thought about implementing IBusinessData interface that will contain all the getter and setters and IBusiness interface that will extend it. I can either make Business extend BuisnessData so I will not need to implement all getter and setter delegates, or make some abstract class ForwardingBusinessData that will only delegate getter and setters. Any of the above option I lose my hierarchy freedom, do any of you have any creative solutions for this problem... I also reviewed DAO pattern: http://java.sun.com/blueprints/patterns/DAO.html

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• How to search a MySQL database for a specific string

  - by Nadia

  I am trying to set up a search feature on my site that will only return exact matches to keyword entered by the user. So if the user searches "dog" I don't want an article titled "Doggy Style" to appear in the search results (just an example I don't really have an article by that name). This of course does exactly that: SELECT * FROM articles WHERE article_title LIKE '%$searchQuery%' $searchQuery here is a PHP variable taken from the user's input form. So is there any way to return only exact matches?

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• Is there a way to measure skin tone of an object from an iphone app

  - by Scott

  Hi - Im trying to find a way to programme/buy an app to use the iphone to detect someones skin tone against an objective scale using RGB froma phot they take of themselves. Anyone got any pointers?

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• preg_replace function to append a string to all the hyperlinks of a page

  - by KoolKabin

  hi guys, i want to append my own value to all hyperlinks in a page... e.g if there are links: <a href="abc.htm?val=1">abc 1</a> <br/> <a href="abc.htm?val=2">abc 1</a> <br/> <a href="abc.htm?val=3">abc 1</a> <br/> <a href="abc.htm?val=4">abc 1</a> <br/> I want to add next var like "type=int" to all hyperlinks output should be: <a href="abc.htm?val=1&type=int">abc 1</a> <br/> <a href="abc.htm?val=2&type=int">abc 1</a> <br/> <a href="abc.htm?val=3&type=int">abc 1</a> <br/> <a href="abc.htm?val=4&type=int">abc 1</a> <br/> I hope it can be done quite easily with preg_replace function

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• How to compare a string with an option value

  - by user225269

  I have this html form which has options: <tr> <td width="30" height="35"><font size="3">*List:</td> <td width="30"><input name="specific" type="text" id="specific" maxlength="25" value=""> </td> <td><font size="3">*By:</td> <td> <select name="general" id="general"> <font size="3"> <option value="YEAR">Year</option> <option value="ADDRESS">Address</option> </select></td></td> </tr> And I'm trying to have this as the form action: if ('{$_POST["ADDRESS"]}'="ADDRESS") Which will compare if the value in the option in the html form matches the word "Address". If it matches then it will execute this query: $saddress= mysql_real_escape_string($_POST['specific']);<--this is the input form where the user will put the specific address to search. mysql_query("SELECT * FROM student WHERE ADDRESS='$saddress'"); Please I need help in here, I thinks its wrong: if ('{$_POST["ADDRESS"]}'="ADDRESS")

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• How to make an object go to a higher layer

  - by MrEnder

  I want this to be on top... how can I do this and not have it go underneath... http://opentech.durhamcollege.ca/~intn2201/brittains/chatter/signup_step2.php I think there is a way in CSS to make stuff go on higher layers I think I read something about it a few years ago but I forget what its called.

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• C++ addition overload ambiguity

  - by Nate

  I am coming up against a vexing conundrum in my code base. I can't quite tell why my code generates this error, but (for example) std::string does not. class String { public: String(const char*str); friend String operator+ ( const String& lval, const char *rval ); friend String operator+ ( const char *lval, const String& rval ); String operator+ ( const String& rval ); }; The implementation of these is easy enough to imagine on your own. My driver program contains the following: String result, lval("left side "), rval("of string"); char lv[] = "right side ", rv[] = "of string"; result = lv + rval; printf(result); result = (lval + rv); printf(result); Which generates the following error in gcc 4.1.2: driver.cpp:25: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second: String.h:22: note: candidate 1: String operator+(const String&, const char*) String.h:24: note: candidate 2: String String::operator+(const String&) So far so good, right? Sadly, my String(const char *str) constructor is so handy to have as an implicit constructor, that using the explicit keyword to solve this would just cause a different pile of problems. Moreover... std::string doesn't have to resort to this, and I can't figure out why. For example, in basic_string.h, they are declared as follows: template<typename _CharT, typename _Traits, typename _Alloc> basic_string<_CharT, _Traits, _Alloc> operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) template<typename _CharT, typename _Traits, typename _Alloc> basic_string<_CharT,_Traits,_Alloc> operator+(const _CharT* __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs); and so on. The basic_string constructor is not declared explicit. How does this not cause the same error I'm getting, and how can I achieve the same behavior??

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• Object Oriented Programming Problem

  - by Danny Love

  I'm designing a little CMS using PHP whilst putting OOP into practice. I've hit a problem though. I have a page class, whos constructor accepts a UID and a slug. This is then used to set the properties (unless the page don't exist in which case it would fail). Anyway, I wanted to implement a function to create a page, and I thought ... what's the best way to do this without overloading the constructor. What would the correct way, or more conventional method, of doing this be? My code is below: <?php class Page { private $dbc; private $title; private $description; private $image; private $tags; private $owner; private $timestamp; private $views; public function __construct($uid, $slug) { } public function getTitle() { return $this->title; } public function getDescription() { if($this->description != NULL) { return $this->description; } else { return false; } } public function getImage() { if($this->image != NULL) { return $this->image; } else { return false; } } public function getTags() { if($this->tags != NULL) { return $this->tags; } else { return false; } } public function getOwner() { return $this->owner; } public function getTimestamp() { return $this->timestamp; } public function getViews() { return $this->views; } public function createPage() { // Stuck? } }

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• How can I programmically construct the object reference?

  - by Bryan

  Lets just say that I have three textboxes: TextBox1, TextBox2, TextBox3. Normally if I wanted to change the text for example I would put TextBox1.Text = "Whatever" and so on. For what I'm doing right now I would like to something like (TextBox & "i").Text. That obviously isn't the syntax I need to use I'm just using it as an example for what I need to do. So how can I do something like this? The main reason I'm doing this is to reduce code with a loop. Please keep in mind that I'm not actually changing the text of the textboxes I'm simply using that as an example to get the point across.

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