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• sorting group of lines

  - by benjamin button

  I have a text file like below iv_destination_code_10 TAP310_mapping_RATERUSG_iv_destination_code_10 RATERUSG.iv_destination_code_10 = WORK.maf_feature_info[53,6] iv_destination_code_2 TAP310_mapping_RATERUSG_iv_destination_code_2 RATERUSG.iv_destination_code_2 = WORK.maf_feature_info[1,6] iv_destination_code_3 TAP310_mapping_RATERUSG_iv_destination_code_3 RATERUSG.iv_destination_code_3 = WORK.maf_feature_info[7,6] iv_destination_code_4 TAP310_mapping_RATERUSG_iv_destination_code_4 RATERUSG.iv_destination_code_4 = WORK.maf_feature_info[13,6] iv_destination_code_5 TAP310_mapping_RATERUSG_iv_destination_code_5 RATERUSG.iv_destination_code_5 = WORK.maf_feature_info[19,6] iv_destination_code_6 TAP310_mapping_RATERUSG_iv_destination_code_6 RATERUSG.iv_destination_code_6 = WORK.maf_feature_info[29,6] iv_destination_code_7 TAP310_mapping_RATERUSG_iv_destination_code_7 RATERUSG.iv_destination_code_7 = WORK.maf_feature_info[35,6] iv_destination_code_8 TAP310_mapping_RATERUSG_iv_destination_code_8 RATERUSG.iv_destination_code_8 = WORK.maf_feature_info[41,6] iv_destination_code_9 TAP310_mapping_RATERUSG_iv_destination_code_9 RATERUSG.iv_destination_code_9 = WORK.maf_feature_info[47,6] combination of three lines form a unit: iv_destination_code_9 TAP310_mapping_RATERUSG_iv_destination_code_9 RATERUSG.iv_destination_code_9 = WORK.maf_feature_info[47,6] is one unit. iv_destination_code_9 9 indicates the number by which i have to sort 10 9 8.... i need a shell script/awk which will sort the units in a descending order. how is it possible?

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• Active Index is not being persisted in jQuery accordion change event

  - by Xaisoft

  I have an asp.net aspx page and on that page I have a hidden input field with and id of paneIndex. However, when I load the page, the alert shows index 1 which is correct on the first load, but if I open up pane 3 for example, the alert shows 1 still. Am I doing something wrong? In a Custom.js file, I have the following code: $(document).ready(function() { $("#accordion").accordion({ active: 1, collapsible: true, autoHeight: false, change: function(event, ui) { var activeIndex = $("#accordion").accordion('option', 'active'); $("#paneIndex").val(activeIndex); //alert(activeIndex); } }); }); In my server side button click, I have the following code: string activeIndex = Request.Form["paneIndex"]; string script = string.Format(@"<script type=""text/javascript"">var paneIndex = {0};</script>", activeIndex); if(!ClientScript.IsStartupScriptRegistered("JSScript")) ClientScript.RegisterStartupScript(this.GetType(),"JSScript", script);

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• Web Scraper via Web Service API?

  - by 001

  How would I go about doing the following... I want to build a web service for my application to grab a piece of data from an external website, that requires the user to login. The website has no public API , hence the reason for the scrapper. Is there a library to perform the following functions? or what do I do? automate fill-in form, auto click Automate submit button check which URL the user has landed on, and redirect user to URL Grab data from label. EDIT: what im asking for is there a web service, library etc to make it easier to perform screen scrapping/automation functions???

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• How to parse an uploaded txt file in Rails3

  - by gkaykck

  I have a form which have a file input; <%form_tag '/dboss/newsbsresult' , :remote=>true do %> <input type="file" id="examsendbutton" name="txtsbs"/><br/> <input type="submit" value="Gonder"> <%end%> Here i want the user to select a txt file which i try to parse and use at server, but i cannot catch the uploaded file with this code, def newsbsresult @u = params[:txtsbs] #Or params[:txtsbs].to_s p @u end What is the true way of achieving this?

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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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• CF - DataGrid onClick event (or similar) for the cell / row ?

  - by no9

  I want to use DataGrid. I parse the data from an XML. In the XML for each row i have a tag that holds a specific command. I want that the user can click on any cell of the row (or a specific one), and i need to catch the click event execute the command and redirect to another form... I can do this with custom control made of panels and buttons and such ... but can u use DataGrid to achieve this? Also i tested Datagrid and i noticed that on some emulators (like 6.5 VGA) clicking the cells dont work. I can click the first cell in a row, but i cannot click the second... third... etc. Any suggestions?

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• JSF - database character encoding

  - by wheelie

  Hi there, I have a Java Web application using GlassFish 3, JSF2.0 (facelets) and JPA (EclipseLink). The problem I'm facing, is that if I'm saving entities to the database with the update() method, String data loses integrity; '?' is shown instead of some characters. The server, pages and database is/are configured to use UTF-8. After I post form data, the next page shows the data correctly. Furthermore it "seems" in debug that the String property of the current entity stores the correct value too. Dunno if NetBeans debug can be trusted; might be that it decodes correctly, however it's incorrect. Any help would be appreciated, thanks in advance! Daniel

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• what does < < mean in the shell

  - by stib

  when looping recursively through folders with files containing spaces the shell script I use is of this form, copied from the internet: while IFS= read -r -d $'\0' file; do dosomethingwith "$file" # do something with each file done < <(find /bar -name *foo* -print0) I think I understand he IFS bit, but I don't understand what the < < characters mean. Obviously there's some sort of piping going on here.. It's very hard to google "< <", you see. TIA -stib

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• How do I set up my @product=Product.find(params[:id]) to have a product_url?

  - by montooner

  Trying to recreate { script/generate scaffold }, and I've gotten thru a number of Rails basics. I suspect that I need to configure default product url somewhere. But where do I do this? Setup: Have: def edit { @product=Product.find(params[:id]) } Have edit.html.erb, with an edit form posting to action = :create Have def create { ... }, with the code redirect_to(@product, ...) Getting error: undefined method `product_url' for #< ProductsController:0x56102b0 My def update: def update @product = Product.find(params[:id]) respond_to do |format| if @product.update_attributes(params[:product]) format.html { redirect_to(@product, :notice => 'Product was successfully updated.') } format.xml { head :ok } else format.html { render :action => "edit" } format.xml { render :xml => @product.errors, :status => :unprocessable_entity } end end end

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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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• How do I list all cron jobs for all users?

  - by yukondude

  Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab, and whatever's in /etc/cron.d. It would also be nice to see the specific commands run by run-parts in /etc/crontab. Ideally, I'd like the output in a nice column form and ordered in some meaningful way. I could then merge these listings from multiple servers to view the overall "schedule of events." I was about to write such a script myself, but if someone's already gone to the trouble...

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• Is there any project estimator tool to give estimate for web design/ developemnt work?

  - by jitendra

  Is there any project estimator tool to give estimate for web design/ development work? I don't have to calculate Price jusr want to calculate estimated time. for things like Just for example Page creation (layout in XHTML) CSS creation Content creation (Word to HTML including images in some pages) Bulk PDF upload PHP Script for Form Testing all pages I need like Items Quantity Time for each task(min.) Estimated total (in hour) PDF upload x 30 = 2 min = 60 Min pages with images x 30 = 15 min for each = 60 Min is there any simple jquery calculator power with jquery . Where we can add add remove custom thing to calculate time.? or any other free online/offline tool

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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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• How Likely Is It That I'll Get Sued Developing Software?

  - by yar

  It has been a practically unanimous truth on StackOverflow that if you work as an independent consultant, you should probably form a corporation (as seen here), to limit personal liability, supposedly to protect you in case of lawsuit. It seems to me that developing software does not result in many lawsuits, but this is an empirical (objective [and not community wiki]) question: How likely is it that a lone software developer will be sued? Also, by whom (a disgruntled company, coworker)? Since incorporating is basically taking out insurance, the likelihood of catastrophe needs to be taken into account. Also, aren't there standard laws covering, for example, total screw-ups with corporate data that mean that protect the lone cowboy/girl/person/coder?

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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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• "Socket operation on non-socket" error due to strange sytax

  - by Robert S. Barnes

  I ran across the error Socket operation on non-socket in some of my networking code when calling connect and spent a lot of time trying to figure out what was causing it. I finally figured out that the following line of code was causing the problem: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol) < 0)) { See the problem? Here's what the line should look like: if ((sockfd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0) { What I don't understand is why the first, incorrect line doesn't produce a warning. To put it another way, shouldn't the general form: if ( foo = bar() < baz ) do_somthing(); look odd to the compiler, especially running with g++ -Wall -Wextra? If not, shouldn't it at least show up as "bad style" to cppcheck, which I'm also running as part of my compile?

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• How I Can do web programming with Lisp or Scheme?

  - by Castro

  I usually write web apps in PHP, Ruby or Perl. I am starting the study of Scheme and I want to try some web project with this language. But I can't find what is the best environment for this. I am looking for the following features: A simple way of get the request parameters (something like: get-get #key, get-post #key, get-cookie #key). Mysql access. HTML Form generators, processing, validators, etc. Helpers for filter user input data (something like htmlentities, escape variables for put in queries, etc). FLOSS. And GNU/Linux friendly. So, thanks in advance to all replies.

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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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• A Better way? C# finding controls, finding their id,

  - by CSharp

  I have a method that finds all the controls, iterates through them, determines if they are a textbox,drop down list, etc.. retrieves their ID name, and depending on the ID name it will set a boolean statement (thus I would know if that section of the form is complete, and will email to a certain group of people) unfortunetly this is done with too many if statements and was wondering if I could get some help making this more manageable ` protected void getEmailGroup() { Control[] allControls = FlattenHierachy(Page); foreach (Control control in allControls) { if (control.ID != null) { if (control is TextBox) { TextBox txt = control as TextBox; if (txt.Text != "") { if (control.ID.StartsWith("GenInfo_")) { GenInfo = true; } if (control.ID.StartsWith("EmpInfo_")) { EmpInfo = true; } } } if (control is DropDownList) { DropDownList lb = control as DropDownList; if (lb.SelectedIndex != -1) { if (control.ID.StartsWith("GenInfo_")) { GenInfo = true; } if (control.ID.StartsWith("EmpInfo_")) { EmpInfo = true; } } } } } }`.

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• Background upload in PHP

  - 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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• Select next element in the page source using jQuery

  - by Travis

  I have an arbitrarily deep list of the form: <ul> <li></li> <li> <ul> <li></li> </ul> </li> </ul> I am trying to build a function "nextElement" that returns a jQuery selector. The first time the function is called, it returns the first li in the list. The second time it is called, it returns the next li in the page. Etc. I'd like this function to pay no attention to siblings, parents, children, etc. All I care about is that everytime it is called, the next li in the source gets chosen. Any suggestions on how to go about approaching this? Thanks

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• VB.NET - cannot get Video Preview to work

  - by Yiu Korochko

  Hi, Overflow. I have an application which is supposed to convert a video via DirectShowSource. I have a checkbox which enables a button called "btnviewcrop" which shows a new form called crp.vb for cropping/shearing pixels off the video. Now, I have a Panel1 that I want to set as the owner (the video drawing surface) but when I set it to open, the application crashes (Error: Object reference not set to an instance of an object.) and I do not understand how to fix it. Here is my button code: Imports Microsoft.DirectX.AudioVideoPlayback Private Sub btnviewcrop_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnviewcrop.Click Me.ShowInTaskbar = False Me.Enabled = False crp.Show() Dim cropperv As Video cropperv.Owner = crp.preview cropperv.FromFile(labinputfile.Text, True) cropperv.Play() End Sub

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• How can I get Text property to initialize to the objects name at design time?

  - by cyclotis04

  When you add a label to the form from the toolbox, its text defaults to the item's name (label1, label2, etc). How can I make this happen with a custom control? So far, I have the following, which allows me to change the text through the property window: private string _text; [BrowsableAttribute(true)] public override string Text { get { return _text; } set { _text = value; lblID.Text = _text; } } Apparently the above code works as is, but I'm not sure why. Does Text default to the object's name automatically? The question still stands for other properties which don't override Text.

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• Why does System.Threading.Timer callback successfully update UI?

  - by Geo P

  I have several System.Threading.Timers on my form application with callbacks that update the UI...successfully - i.e. without throwing errors. I had built these earlier, before I knew that UI should not be updated on any thread other than the UI thread. Now I am confused as to why it does not throw cross-thread exceptions when I am updating UI on these separate threading.timer threads? I will be changing these callbacks so that the UI updates are invoked on UI thread, but I am curious as to why this works. Edit: My application is a WinForms Application.

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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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