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  • How to change all selected chars to _ in Vim

    - by Kev
    I try to draw a class diagram using Vim. I fill the editor window with white-spaces. Type :match SpellBad /\s/ to highlight all the white-spaces. Ctrl+Q to select vertical white-spaces. Ctrl+I to insert Bar(|) and then Esc ........................... v+l +... + l to select horizontal white-spaces But I don't know how to change all selected horizontal white-spaces to underscore(_). I have to hit _ serval times. When comes to long horizontal line, it's bad. ___________ ___________ | | | | | BaseClass |/__________| Client | |___________|\ |___________| /_\ | |____________________________________ | | | _____|_____ _____|_____ _____|_____ | | | | | | | SubClass1 | | SubClass2 | | SubClass3 | |___________| |___________| |¦¦¦¦¦¦¦¦¦¦¦| I want a quick method to do this. Select it - Change it - Done! Maybe map F6 to do it. Thanks!

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  • array insert in db

    - by gloris
    Hi, How best to put the array (100 or more length) in the database (MySQL)? I do not want multiple access to the database because it is so loaded. So my solution is as follows: string insert = "INSERT INTO programs (name, id) VALUES "; for(int i = 0; i < name.Length; i++) { if (i != 0) { insert = insert + ",("; } else { insert = insert + "("; } insert = insert + "'" + name[i] + "','" + id[i] + "'"; insert = insert + ")"; } //INSERT INTO programs (name, id) VALUES ('Peter','32'),('Rikko','343') .... But maybe is a faster version? Thanks

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  • Passing a web service an unknown number of parameters

    - by Billyhole
    I'm relatively new to utilizing web services. I'm trying to create one that will be accepting data from a ASP.Net form whose input controls are created dynamically at runtime and I don't how many control values will be getting passed. I'm thinking I'll be using jQuery's serialize() on the form to get the data, but what do I have the web service accept for a parameter? I thought maybe I could use serializeArray(), but still I don't know what type of variable to accept for the JavaScript array. Finally, I was thinking that I might need to create a simple data transfer object with the data before sending it along to the web service. I just didn't wanna go through with the DTO route if there was a much simpler way or an established best practice that I should follow. Thanks in advance for any direction you can provide and let me know I wasn't clear enough, or if you have any questions.

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  • Is it possible to query a XML file with SQL?

    - by Monty
    Currently I'm working on a case where we don't want to change to much on a c#/wpf program, but like to add a feature. Currently we allow certain users to add sql queries to a database to retrieve customer data, hereby a custom connection string/ provider name must be specified. With this information it's possible to create the connection and obtain the data with c#. However we like to add the possibility to allow that user group to query XML files too, with a certain connection string/ provider name. I just had a look for possibities in .net to do that, but can't seem to find a decent way... Is something like this possible? (OleDb/ODBC way maybe?) Thanks in advance.

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  • JVM specification and Java compiler code useful for SCJP preparation ?

    - by BenoitParis
    I'm preparing the SCJP exam with the almost official study book ("SCJP Sun Certified Programmer for Java 6 Exam 310-065") I understand that Java programming is writting code that fulfills a certain high-level contract; So that Java can stay platform-independent. However, I have trouble understanding and remembering things when it comes to highly specific SCJP items (and they are numerous) The book stays high-level and does not provide examples of how one compiler would handle things. This is the same thing for runtime issues (JVM level): things are too much abstract for me. Rules often seems arbitrary and therefore, with no well defined purpose, are difficult to remember. Or maybe it's that sometimes I just don't get the underlying purpose. And here is the question: Would a JVM specification and/or some java compiler code help in preparing the SCJP? Have you had the need for such material or is the book sufficient enough? Also, please share the resources you used, apart from the book.

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  • Best practice for passing configuration to each GUI object

    - by Laimoncijus
    Hi, I am writing an application, where I do have few different windows implemented, where each window is a separate class. Now I need somehow to pass a single configuration object to all of them. My GUI is designed in way, where I have one main window, which may create some child windows of its own, and these child windows can have their own childs (so there is no possibility to create all windows in initialization part and feed the config object to all of them from the very beginning)... What would be best practice for sharing this configuration object between them? Always passing via constructor or maybe making it somewhere as final public static and let each window object to access it when needed? Thanks

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  • Why does my ASP.NET user control's field value reset to 0?

    - by Innogetics
    In the code below, why does the groupId value reset to 0 during Page_Load event? Maybe perhaps the AccountGrid created with groupId 1 is not the one that is loaded to the page? public partial class AccountGrid : System.Web.UI.UserControl { int groupId = 0; public AccountGrid() { } // an aspx page creates AccountGrid with "new AccountGrid(1)" public AccountGrid(int groupId) { this.groupId = groupId; } protected void Page_Load(object sender, EventArgs e) { DataAccessFacade facade = new DataAccessFacade(); // groupId resets to 0 here... grdAccount.DataSource = facade.GetAccountsByAccountGroupId(this.groupId); grdAccount.DataBind(); } } In my page, I have public partial class Default : System.Web.UI.Page { public Default() { } public void Page_Load(object sender, EventArgs e) { ctlAccountGrid = new Views.Controls.Account.AccountGrid(1); // should I do databind? ctlAccountGrid.DataBind(); } }

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  • Detecting similar words among n text documents

    - by javanes
    Hi; I have n documents and want to find common words that are included in these documents. For example I want to say (n-3) documents include the word "web". Certainly I can do this by basic data structures but there maybe efficient algorithm or a way to handle same words with different suffix. Is there any algorithm for such purposes? I am unfamiliar with datamining world. In general manner is there a term used for efforts of finding similarities between different documents? If there is then I will make my research easily. Thanks.

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  • jquery draggable accept: classpath

    - by heldopslippers
    Hi guys.. I have problems with the following bit of javascript/jquery code: this.droppable = function(){ $('.imageWindow .body .item').draggable(); $('.groupWindow .body .item').droppable({ accept: $(".imageWindow .body .item"), over: function(event, ui) { alert("this is valid!"); }, drop: function(){ alert('dropped'); } }); } As you maybe know it is not possible to pass the following in the accept option: $(".imageWindow .body .item") But what is possible ? I want to pass a "class path" as an accept option ! It is probably a simple answer but i can't figure it out. Of course i could do: accept: ".item" But because "groupWindow .body .item" is a sortable it would also accept himself! Thanxs if you can help me!

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  • Android ROM Development. What does it take?

    - by Priyank
    Hi. I have been developing android apps out of hobby and fun. I want to get more serious about android development. One particular thing that I am very keen on doing (or atleast trying my hand at) is andoroid ROM development for specific handsets. Like, maybe outdated HTC Touch. (Elf/Elfin). I am at a loss to understand, what does it take to get started in right direction and what does it entails? I would really appreciate your help if you could point me to some resources which would highlight ROM Development for Android specifically. (Fundamentals of ROM development irrespective of OS would help too). Cheers

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  • Creating reference movies for iPhone on the fly

    - by Mad Oxyn
    We are working on an online mobile video app. The videos we want to play on mobile phones are being generated by a server, as there can be dynamic content in the server (based on user input). Now for iPhone we would like to play the video in the best possible resolution based on the connection speed at the time of downloading the movie. This can be done using reference movies. However, because our videos are being generated on the fly, we need to generate this reference movie on the fly as well. Is there a way to generate reference movies on the fly on a Linux server using some command line tool, PHP or Java? Or on a DOS server maybe? Any help will be much appreciated.

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  • Version control for subtitle creation

    - by user3635
    We make subtitles for a TV series and I plan to use a VCS for it. The structure of project directory is like this: series/ episode1/nameofepisode1.str episode2/nameofepisode2.str episode3/nameofepisode3.str ... Question: When I finish subtitle of an episode, I want to assign release tag for this episode (episode1_v1). I wanted to use git for this, but in git tag is assigned only to the whole repository. What to do, so that I can view every episode progress separately? Maybe there are some more suitable VCS for this?

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  • how to make a BufferedReader in C

    - by peiska
    I am really new programming in C. How can i do the same in C, maybe in a more simple way then the one a do in Java. Each line of the input have to Integers: X e Y separated by a space. 12 1 12 3 23 4 9 3 InputStreamReader in = new InputStreamReader(System.in); BufferedReader buf = new BufferedReader(in); int n; int k; double sol; String line =""; line=buf.readLine(); while( line != null && !line.equals("")){ String data [] = line.split(" "); n = Integer.parseInt(data[0]); k = Integer.parseInt(data[1]); calculus (n,k); line = buf.readLine(); }

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  • Premium Services - Ad blocker legal or illegal?

    - by René
    Ok, maybe thats kind of a stupid question. But let's try to get an answer. I'm building a Desktop Solution for an existing web service. That web service is only available without ads when you pay for a premium account. Would it be illegal when I block this ads in my Desktop Application? When you use this web service over the browser, every user has the chance to block ads with adblocker addons. So why not block this stuff in my Desktop Application?

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  • Does Quartz2D test intersection of rect by line before drawing it.

    - by ddnv
    I'm drawing a big scheme that consist of a lot of lines. I do it in the drawRect: method of UIView. The scheme is larger than the layer of view and I check each line and draw it only if it intersects the visible rect. But at one moment I thought, should I do this? Maybe Quartz is already doing this test? So the question is: When I use function CGContextAddLineToPoint() does the Core Graphics tests this line for intersection with layer rect or it just draw it anyway?

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  • Rails Model for Playlist that can contain tracks and albums using polymorphism

    - by philk
    I struggle to find a model how to store a playlist with different type of items on it in Rails. Consider I have class Track end class Album has_many :tracks end class PlaylistItem belongs_to :playable belongs_to :playlist end class Playable belongs_to :playable, :polymorph => true end class Playlist has_many :playlist_items end I think I can use a polymorphic model "Playable" here since the Playlist can contain Tracks, Albums and maybe in the future also Movies. Also I would like to use STI for Track and Albums since they share some common attributes like title and length but also have totally different attributes. I modeled it like described here but it does not work. Anybody any idea how to model a Playlist that can contain many items of different kind?

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  • Storing XML in SQL 2005 XMLNS issue

    - by Mike Mengell
    I'm trying to store XML in SQL 2005. I have a very simple table with an Id and a XML column. When the XML contains the attribute xmlns my searching doesn't work. This is my XML; insert into XMLTest (ItemXML) values ( '<MessageType> <ItemId id="ABC" xmlns="ss" /> <Subject>sub</Subject> </MessageType> ') And this is my Query; select itemid, ItemXML.query('(/MessageType/ItemId)') from XMLTest order by ItemId desc If I change the attribute xmlns to anything else my query works. I don't think I know enough about XML to understand what SQL is doing with the namespace. But it must be processing it and storing it differently maybe? Anyone had this issue?

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  • Highlight changes?

    - by Nimbuz
    HTML: <html> <body> <textarea>Original Text</textarea> <button>Replace</button> </body> </html>?????????????????????????????????????????????????????????????????????? jQuery: $(function() { $('button').click(function () { $('body').html($('body').html().replace('Original','New')); }); }); ? http://jsfiddle.net/r7MgY/ Can I highlight changes somehow with a fading yellow background maybe? Thanks

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  • Parallel Processing Simulation in Javascript

    - by le_havre
    Hello, I'm new to JavaScript so forgive me for being a n00b. When there's intensive calculation required, it more than likely involves loops that are recursive or otherwise. Sometimes this may mean having am recursive loop that runs four functions and maybe each of those functions walks the entire DOM tree, read positions and do some math for collision detection or whatever. While the first function is walking the DOM tree, the next one will have to wait its for the first one to finish, and so forth. Instead of doing this, why not launch those loops-within-loops separately, outside the programs, and act on their calculations in another loop that runs slower because it isn't doing those calculations itself? Retarded or clever? Thanks in advance!

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  • Javascript Popup Windows

    - by sikas
    I have a popup window code that I have used before in login forms. The code displays an in-page popup. This is the code: <?php //In Page Popup Box with Faded Background by Jerry Low @crankberryblog.com //Find other useful scripts at the Crankberry Blog //SETTINGS $fade_amount = 60; //In Percentage $box_width = 400; $box_background = 'FFFFFF'; //Hex Color $box_border_width = 2; $box_border_color = '999999'; //Hex Color $close_box = 1; //Do You Want The Close Bar on Top 1 = Yes, 0 = No $extension = ""; // Other Variables that maybe needed, page number etc. //Begin Popup Box $left_margin = ( 0 - ($box_width*0.5) ); $page_url = basename($_SERVER['PHP_SELF']); if ($extension!="") $page_url .= '?' . $extension; if (isset($_GET['popup'])) { echo '<div class="popup" style="width:'.$box_width.'px; background: #'.$box_background.'; margin-left:'.$left_margin.'px;'; if ($box_border_width>1) echo ' border: '.$box_border_width.'px solid #'.$box_border_color.';'; echo '">'; //Close Box if ($close_box===1) echo '<div class="popup_close"><a href="'.$page_url.'">Close (x)</a></div>'; ?> <!–- START YOUR POPUP CONTENT HERE -–> Popup content goes in here! <!–- END OF YOUR POPUP CONTENT HERE -–> <?php echo '</div> <div class="fade" onclick="location.replace(\''.$page_url.'\');" style="opacity: 0.'.$fade_amount.'; -moz-opacity: 0.'.$fade_amount.';filter: alpha(opacity: '.$fade_amount.');"></div> <div class="fade_container">'; } ?> <a href="?popup=1<?php if ($extension!="") echo '&' . $extension; ?>">Activated Box</a> This code contains a link that reloads the page with parameters/arguments to show the popup. I want to update this code to make the popup appear/hide without This is what I have done so far, yet the popup doesn`t show. Now I want to update the code to work as follows. <link rel=StyleSheet href="css/popup.css" type="text/css" media=screen></link> <?php //In Page Popup Box with Faded Background by Jerry Low @crankberryblog.com //Find other useful scripts at the Crankberry Blog //SETTINGS $fade_amount = 60; //In Percentage $box_width = 400; $box_background = 'FFFFFF'; //Hex Color $box_border_width = 2; $box_border_color = '999999'; //Hex Color $close_box = 1; //Do You Want The Close Bar on Top 1 = Yes, 0 = No $extension = ""; // Other Variables that maybe needed, page number etc. //Begin Popup Box $left_margin = ( 0 - ($box_width*0.5) ); $page_url = basename($_SERVER['PHP_SELF']); if ($extension!="") $page_url .= '?' . $extension; { echo '<div id="pop_up" class="popup" style="visibility:hidden; width:'.$box_width.'px; background: #'.$box_background.'; margin-left:'.$left_margin.'px;'; if ($box_border_width>1) echo ' border: '.$box_border_width.'px solid #'.$box_border_color.';'; echo '">'; //Close Box if ($close_box===1) echo '<div class="popup_close"><a href="#" ChangeStatus()>Close (x)</a></div>'; ?> <!–- START YOUR POPUP CONTENT HERE -–> Popup content goes in here! <!–- END OF YOUR POPUP CONTENT HERE -–> <?php echo '</div> <div id="fade_div" class="fade" onclick="location.replace(\''.$page_url.'\');" style="visibility:hidden; opacity: 0.'.$fade_amount.'; -moz-opacity: 0.'.$fade_amount.';filter: alpha(opacity: '.$fade_amount.');"></div> <div class="fade_container">'; } ?> <a href="#" onClick="ChangeStatus()">Activated Box</a> <script> function ChangeStatus() { div = document.getElementById('fade_div').style.visibility; popup = document.getElementById('pop_up').style.visibility; alert(popup); if(popup == "hidden") { div = "visible"; popup = "visible"; } else { div = "hidden"; popup = "hidden"; } } </script> ignore the CSS files as it is working fine. I guess the problem is with the JS. Can anyone help me?

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  • JS - Why is this hidden div not showing in IE?

    - by Dodi300
    Hello. I've made a page which should show a div when the user clicks on a input text box. The div will contain more information about the required input, etc. The page works fine on FireFox and the div shows, but when using IE the div just doesn't show. It seems like I've tried everything and nothing has worked so far. This is the page. Maybe you could look at the source and see what I'm doing wrong? If you need me to upload the source as a text file, I can do that. Thanks for the help!

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  • Getting the most frequent items without counting every item

    - by DeadMonkeyWalkin
    Hi. I was wondering if there was an algorithm for counting "most frequent items" without having to keep a count of each item? For example, let's say I was a search engine and wanted to keep track of the 10 most popular searches. What I don't want to do is keep a counter of every query since there could be too many queries for me to count (and most them will be singletons). Is there a simple algorithm for this? Maybe something that is probabilistic? Thanks!

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  • Regular expressions in a Python find-and-replace script?

    - by Haidon
    I'm new to Python scripting, so please forgive me in advance if the answer to this question seems inherently obvious. I'm trying to put together a large-scale find-and-replace script using Python. I'm using code similar to the following: findreplace = [ ('term1', 'term2'), ] inF = open(infile,'rb') s=unicode(inF.read(),charenc) inF.close() for couple in findreplace: outtext=s.replace(couple[0],couple[1]) s=outtext outF = open(outFile,'wb') outF.write(outtext.encode('utf-8')) outF.close() How would I go about having the script do a find and replace for regular expressions? Specifically, I want it to find some information (metadata) specified at the top of a text file. Eg: Title: This is the title Author: This is the author Date: This is the date and convert it into LaTeX format. Eg: \title{This is the title} \author{This is the author} \date{This is the date} Maybe I'm tackling this the wrong way. If there's a better way than regular expressions please let me know! Thanks!

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  • Can I pass a string variable into an <a href> tag for a website link?

    - by Joseph
    I am somewhat new to web developing, so I am trying to learn along the way. I have a div that is 500 x 500. Inside of that div I have two divs that are each 250x500. So my outer div is filled up with the two inner divs. I have it setup so that when I click on the first div (the left one) a java script is called, and a prompt pop up box asks for a website URL which is then stored inside of a string variable. How can I make it so that the second div (the right one) takes the string variable from the alert box from the left div and puts it into an a href tag so that I can link to the website from the right div? Can a a href tag accept a value from a variable for its link? Maybe I am going about this all wrong, is there a better way I should be approaching this? Any help is appreciated!!

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  • TeamCity's build agent unable to find PowerShell

    - by cincura.net
    I have TC's build agent installed on Windows 2008 R2 SP1 Core. The server has PowerShell 2.0 installed (double checked, and actually from PS downloaded the TC installation). Looking at some build configuration I see these being incompatible with this agent, because powershell_x86/powershell_x64 is required. I tried deleting build agents dirs to force upgrade, but no luck. Interestingly if I provide powershell_x86, powershell_x86_Path (and for 64bit) variables into config file manually, everything runs fine. Is there anything I can do to have the build agent find PowerShell automatically? What/where is it looking for it? Maybe the 'Core' is problem.

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