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• Give users permissions on item in other list

  - by Nomz

  Hello everyone, This is what im working on: i have two lists, first one: collumn user and collumn project that the user is assigend to. second one (library): a list of all the projects I was wondering, how, by every row that is created in the first list (so adding a user and a project) it is possible to grant the user permissions on this project's reference in the second library (the projects library). Example: ProjectLibrary: Project1 Project2 Project3 the first list: user1 project1 user1 project2 user2 project2 user2 project3 user3 project3 now i want to give each user permission to see the project he's assigned to so that when he opens a third form, a combobox filled with projects will only show the projects he has permissions on. thank you so much!

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• Is it safe to validate a URL with a regexp?

  - by Vilx-

  In my web app I've got a form field where the user can enter an URL. I'm already doing some preliminary client-side validation and I was wondering if I could use a regexp to validate if the entered string is a valid URL. So, two questions: Is it safe to do this with a regexp? A URL is a complex beast, and just like you shouldn't use a regexp for parsing HTML, I'm worried that it might be unsuitable for a URL as well. If it can be done, what would be a good regexp for the task? (I know that Google turns up countless regexps, but I'm worried about their quality). My goal is to prevent a situation where the URL appears in the web page and is unusable by the browser.

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• Serialization java to c#

  - by tom

  Hi, I have manged to serialize an arraylist in java using xstream, send it to my c# application via http and then write that to file (just for now). The serialized data was an arraylist in java. I want to try and re form this arraylist in c# from the xml i have. I have been looking at http://code.google.com/p/xstream-dot-net/ to do this. Does anyone know if that is the right way to go or is there a better way of reforming the serialized data in c#?

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• Serving images from Amazon S3 in PHP application

  - by luckytaxi

  So it just occurred to me that once I upload profile pics to S3, I have to figure out a way to keep track of the files. For example, if "susan" uploads 3 profile pics, I need to recall those 3 pictures and display it on her profile page if someone views her page. With that said, would the following work? User uploads picture from form Save file information (filename, user info, etc...) into DB and reference URL from S3 Upload photos to S3 When displaying pictures, I'll query the DB for the info and display the images from S3 accordingly.

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• what the java command's -jar option really does

  - by JBoy

  Does the -jar option of the java command also compile the sources before running the main method? I believe so but i would like to have a better understanding of the internal process, from the man page you can clearly see a small workflow sequence: -jar Execute a program encapsulated in a JAR file. The first argument is the name of a JAR file instead of a startup class name. In order for this option to work, the manifest of the JAR file must contain a line of the form Main-Class: classname. Here, classname identifies the class having the public static void main(String[] args) method that serves as your application's starting point. See the Jar tool reference page and the Jar trail of the Java Tutorial @ But it does not mention that it compiles the sources.

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• Magento and unsetting a custom boolean attribute

  - by Spongeboy

  Hi, I've added an attribute to a customer address entity. Attribute setup code is as follows- 'entity_type_id'=>$customer_address_type_id, 'attribute_code'=>'signature_required', 'backend_type'=>'int', 'frontend_input'=>'boolean', 'frontend_label' => 'Signature required', 'is_global' => '1', 'is_visible' => '1', 'is_required' => '0', 'is_user_defined' => '0', I have then - added attribute to model\entity\setup.php added a HTML field on the edit form I am now getting the attribute saved to the database when the checkbox is checked. However, it is not being unset when checkbox is unchecked (I'm guessing due to checkbox input not being 'post'-ed if unchecked. What is the best way to uncheck this? Should I add a default value of 0? Or unset/delete the attribute before save in the controller? Should I add get/set methods to the model?

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• Retain ViewData when editing variable length list

  - by Pieter

  I'm editing variable length lists and use ViewData to pass around information for filling a DropDownList. I use the method described here for editing these lists: http://blog.stevensanderson.com/2010/01/28/editing-a-variable-length-list-aspnet-mvc-2-style/ The data for this dropdownlist comes from the database. As the ViewData is not available across requests, I currently do a new query to the database each and every time. This also happens when the ModelState is not valid and the form is redisplayed. Of course, this is less then ideal even for a light-weight query as this one. How can I retain the information from that query across requests as long as the user is editing the page with that variable length list?

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• How to search for duplicate values in a huge text file having around Half Million records

  - by Shibu

  I have an input txt file which has data in the form of records (each row is a record and represents more or less like a DB table) and I need to find for duplicate values. For example: Rec1: ACCOUNT_NBR_1*NAME_1*VALUE_1 Rec2: ACCOUNT_NBR_2*NAME_2*VALUE_2 Rec3: ACCOUNT_NBR_1*NAME_3*VALUE_3 In the above set, the Rec1 and Rec2 are considered to be duplicates as the ACCOUNT NUMBERS are same(ACCOUNT_NBR1). Note: The input file shown above is a delimiter type file (the delimiter being *) however the file type can also be a fixed length file where each column starts and ends with a specified positions. I am currently doing this with the following logic: Loop thru each ACCOUNT NUMBER Loop thru each line of the txt file and record and check if this is repeated. If repeated record the same in a hashtable. End End And I am using 'Pattern' & 'BufferedReader' java API's to perform the above task. But since it is taking a long time, I would like to know a better way of handling it. Thanks, Shibu

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• Dynamically generating a file with javascript?

  - by gct

  I'm working on a web app for my company that will let us do some image tagging stuff, and I'd like to be able to generates results in the form of a CSV file. I can do this easily enough by dumping the CSV data to a div or something on the page and having the user copy it out. I'd rather have them hit the a generate button and have a CSV file downloaded as though they clicked on a link to the result, so they can more easily just save the file somewhere convenient. Is it possible to simulate this kind of thing with javascript? I basically want to dynamically generate the file and then let them download it, client side.

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• jQuery textbox required validation based on another text box having text

  - by doug

  Pretty basic question, however, I am very new to jQuery and javascript in general. I have a jQuery validation that is requiring a text box to have text in it, if a checkbox is checked. <script type="text/javascript"> $(document).ready(function () { $("form").validate( { rules: { Comments: { required: "#IsAbnormal:checked" } }, messages: { Comments: { required: "Comments are required" } }, onkeyup: false, wrapper: "", errorLabelContainer: "#ErrorMessageBox" }); }); Pretty straight forward, if you check the IsAbnormal checkbox, it will throw a validation if there are no comments. What I am trying to do is require a textbox based on if another text box has any text in it, for instance require the old password if a user enters a new password into a textbox. Is there an easy way to get the required: "#NewPassword:NotBlank" to work?

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• Rails is not passing the "commit" button parameter

  - by Wayne M

  Reinstalling a Rails app on a new server. Part of the app can fork in one of two directions based on the button the user selects. This part isn't working, and when I look at the log I see the values that I gave the form, execept for the commit portion of the params hash. This seems to be why the app isn't working as expected (since there's nothing in params[:commit], but I have no idea why commit would not be passed in; the request is definitely a POST request, and all of the other parameters are there.

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• d3 tree - parents having same children

  - by Larry Anderson

  I've been transitioning my code from JIT to D3, and working with the tree layout. I've replicated http://mbostock.github.com/d3/talk/20111018/tree.html with my tree data, but I wanted to do a little more. In my case I will need to create child nodes that merge back to form a parent at a lower level, which I realize is more of a directed graph structure, but would like the tree to accomodate (i.e. notice that common id's between child nodes should merge). So basically a tree that divides like normal on the way from parents to children, but then also has the ability to bring those children nodes together to be parents (sort of an incestual relationship or something :)). Asks something similar - How to layout a non-tree hierarchy with D3 It sounds like I might be able to use hierarchical edge bundling in conjunction with the tree hierarchy layout, but I haven't seen that done. I might be a little off with that though.

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• Quick and dirty way to store NSStrings (or other data) from launch to launch?

  - by Moshe

  I want to allow my user to store custom phrases, to be displayed in an editable UITableView. What's a quick and dirty to store these strings? I'm fairly new at iPhone development. I know about Core Data, but not how to use it. i would stay away form that just for this particular project if possible. Are PLIST files a possibility here? Sample code is appreciated. Thank you.

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• What is the best file format to parse?

  - by anxiety

  Scenario: I'm working on a rails app that will take data entry in the form of uploaded text-based files. I need to parse these files before importing the data. I can choose the file type uploaded to the app; the software used by those uploading has several export options regarding file type. While it may be insignificant, I was wondering if there is a specific file type that is most efficiently parsed. This question can be viewed as language-independent, I believe. (While XML is commonly parsed, it is not a feasible file type for sake of this project.)

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• How to implement partial refresh like facebook like/comments?

  - by shillong

  We have java web application. Summary page will display list of rows. For each row, user can vote and add comments. Vote or add comments will commit immediately and refresh total vote number and comments count. We want to refresh current row instead of whole table just like Facebook does. If need, we can show the list of data with form format (iterator List of data) instead of table format. How to implement this feature base on JSF?

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• PHP/Codeigniter processing a list with javascript

  - by user270797

  I have a list of items that the user can select. I want it to be more user friendly than standard checkboxes so I have seperate div's each with a unique id. When user clicks an item, I use javascript to display a tick on top of that item and change the style to show that it is highlighted. Im trying to work out how I can pass the list of id's when the form is submitted. Remember, if the user unticks an item, it should be removed from the list, I was thinking of using comma seperated values in a hidden text field but couldnt work out how to remove items from the start of the list if they were deselected

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• How can I redirect the stdout of ironpython in C#?

  - by Begtostudy

  public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button3_Click(object sender, EventArgs e) { try { var strExpression = @" import sys sys.stdout=my.write print 'ABC' "; var engine = Python.CreateEngine(); var scope = engine.CreateScope(); var sourceCode = engine.CreateScriptSourceFromString(strExpression); scope.SetVariable("my", this); var actual = sourceCode.Execute(scope); textBox1.Text += actual; } catch (System.Exception ex) { MessageBox.Show(ex.ToString()); } } public void write(string s) { textBox1.Text += s; } }<code> But Exception says there is not write. Where is wrong? Thanks!

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• Cascading Dropdown List

  - by user333831

  I am working on a web app and trying to code a form with two dropdown lists. The list in the second dropdown will be dependent on the selection from the first one. The task itself isn’t too complicated except that once the first selection is made, I need to make a database call to pull the data for the second dropdown. This is where I am having difficulty. Both lists are in fact populated from a database. I am working on this in a python script and have been trying to do this w/ an onChange javascript function. The web app is built in Zope and page templates may be an option along w/ the python scripts.

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• Interview: Am I need to leave a hope for candidate?

  - by Budda

  Today I've interviewed a candidate who didn't answer any question. At all. After 3-4 answers (attempts to answer) for me was obvious: we won't hire him. Would you recommend me to say (definitely in polite form) something like: Sorry you don't meet our requirements? Or just to tell in another way: thank you, that are all my questions for now. Our HR department will let you know if/when we will need another interview session. Probably you see any other option. Thanks.

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• send data to server without ajax

  - by PramodD

  Hi I want to send data to server in post method. I know it is simple question but I didn't get well document for this. I had method which sends data to server but it is using ajax. I want to send data without ajax how to do that? Here is my code. $.ajax({ type: "POST", contentType:"application/x-www-form-urlencoded; charset=UTF-8", url: clientDetailURL, data: finalclientDetailParam }).done(function( msg1 ) { var clientDetailResponse = msg1; console.log("Client detail response is:"+clientDetailResponse); });

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• [PHP] background upload

  - by Robijntje007

  I am working with a form that allows me to upload files via a local folder and FTP. So I want to move files over ftp (which already works) Because of performance reasons I chose this process to run in the background so I use nfcftpput (linux) In CLI the following command works perfectly: ncftpput-b-u name -p password -P 1980 127.0.0.1 /upload/ /home/Downloads/upload.zip (Knowing that the b-parameter triggers background process) But if I run it via PHP it does not work (without the-b parameter it does) PHP code: $cmd = "ncftpput -b -u name -p password -P 1980 127.0.0.1 /upload/ /home/Downloads/upload.zip"; $return = exec($cmd);

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• Fastest way to do a weighted tag search in SQL Server

  - by Hasan Khan

  My table is as follows ObjectID bigint Tag nvarchar(50) Weight float Type tinyint I want to get search for all objects that has tags 'big' or 'large' I want the objectid in order of sum of weights (so objects having both the tags will be on top) select objectid, row_number() over (order by sum(weight) desc) as rowid from tags where tag in ('big', 'large') and type=0 group by objectid the reason for row_number() is that i want paging over results. The query in its current form is very slow, takes a minute to execute over 16 million tags. What should I do to make it faster? I have a non clustered index (objectid, tag, type) Any suggestions?

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• Special characters incongruence

  - by Enrique

  Hello I'm building a Spring MVC web application that runs on Tomcat 6.0.20 and JDK 1.6.0_19. When I send some special characters through an HTML form some of them are stored as question marks ? For example these symbols are stored correctly: €, á, é, í, ‰, etc But some symbols are replaced with ? like: £, ?, ? MySQL tables charset is utf-8. My jsp also use utf-8 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> I have included org.springframework.web.filter.CharacterEncodingFilter in web.xml as suggested here When I debug the POST request when sending 3 characters €a£ with firebug I get: %E2%82%ACa%E2%82%A4 which is correct since E2 82 AC is the code for € and E2 82 A4 is the code for £ but £ is stored as ? in the database. When I save £ directly into the database it is displayed correctly in the webpage. How can I fix this?

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• Need to allocate memory before a Delphi string copy?

  - by Duncan

  Do I need to allocate memory when performing a Delphi string copy? I've a function which posts a Windows message to another form in my application. It looks something like this: // Note: PThreadMessage = ^TThreadMessage; TThreadMessage = String; function PostMyMessage( aStr : string ); var gMsgPtr : PThreadMessage; gStrLen : Integer; begin New(gMsgPtr); gStrLen := StrLen(PWideChar(aMsg)); gMsgPtr^ := Copy(aMsg, 0, gStrLen); PostMessage(ParentHandle, WM_LOGFILE, aLevel, Integer(gMsgPtr)); // Prevent Delphi from freeing this memory before consumed. LParam(gMsgPtr) := 0; end;

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• using xmlHttpRequest.send() in java script

  - by harun123

  How to use xmlHttp Request.send()?...... My code in java script is as follows: str_xml+="<xml_to_be_submitted><request_xml><client_id>"+document.frmCallEntryAdd.cboCLIENT.options[document.frmCallEntryAdd.cboCLIENT.selectedIndex].value+"</client_id></request_xml></xml_to_be_submitted>"; var obj_http=new ActiveXObject("Microsoft.XMLHTTP"); var str_url="ClientModuleFetch.aspx"; var str_http_method="post"; obj_http.open(str_http_method,str_url,false); obj_http.SetRequestHeader("Content-Type","application/x-www-form-urlencoded"); obj_http.send(str_xml); var str_reply=obj_http.ResponseText; var xmlResponse = str_reply; var objXmlDOM=new ActiveXObject("Microsoft.XMLDOM"); Can any body tell what i had gone wrong?................

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