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• Maven: Variables are not replaced in installed and deployed POM

  - by mmuthu

  We have been trying to migrate our multi-module projects to maven. I have been struggling with the maven install plugin bug "http://jira.codehaus.org/browse/MNG-2971". I have written a Java program which can find and replace the expressions using my settings.xml and POM in my local repository view. As a result all of my parent POM's are having a additional phase in the build process. What i'm doing is that i have attached a goal which will run my Java program during "validate" phase. I think this is a not a good idea instead i would have asked individuals to run the program on their local repository on their own. What i'm asking here is that the best way to work around the "install" plugin issue (MNG-2971). I searched through the net but i could not locate such work around.

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• Is it a problem if i query again and again to SQL Server 2005 and 2000?

  - by learner

  Window app i am constructing is for very low end machines (Celeron with max 128 RAM). From the following two approaches which one is the best (I don't want that application becomes memory hog for low end machines):- Approach One:- Query the database Select GUID from Table1 where DateTime <= @givendate which is returning me more than 300 thousands records (but only one field i.e. GUID - 300 thousands GUIDs). Now running a loop to achieve next process of this software based on GUID. Second Approach:- Query the database Select Top 1 GUID from Table1 where DateTime <= @givendate with top 1 again and again until all 300 thousands records done. It will return me only one GUID at a time, and I can do my next step of operation. What do you suggest which approach will use the less Memory Resources?? (Speed / performance is not the issue here).

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• How to look for different types of files in a directory?

  - by herrow

  public List<string> MapMyFiles() { List<FileInfo> batchaddresses = new List<FileInfo>(); foreach (object o in lstViewAddresses.Items) { try { string[] files = Directory.GetFiles(o.ToString(), "*-E.esy"); files.ToList().ForEach(f => batchaddresses.Add(new FileInfo(f))); } catch { if(MessageBox.Show(o.ToString() + " does not exist. Process anyway?", "Continue?", MessageBoxButtons.YesNo) == DialogResult.Yes) { } else { Application.Exit(); } } } return batchaddresses.OrderBy(f => f.CreationTime) .Select(f => f.FullName).ToList(); } i would like to add to the array not only .ESY but also "p-.csv" how do i do this?

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• client-side vs server-side

  - by amalafrida

  In general, should one design in order to place processing load on client-side? More specifically, a search engine to locate subscriber information requires a fair amount of parsing (multiple phone numbers to sort and format, hour of day, timezone, comparisons for possible substitutions of user information, etc.). Again, in general, is it preferred that one have client-side do the work? It seems to me 'yes' in a situation in which one will have many thousands of hits per minute. Use php for quick database queries ... process retrieved data client-side. yes ... no?

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• How to handle added input data colums without having to maintain multiple versions of SSIS packages?

  - by GLFelger

  I’m writing to solicit ideas for a solution to an upcoming problem. The product that provides data to our ETL process currently has multiple versions. Our clients are all using some version of the product, but not all use the same version and they will not all be upgraded at the same time. As new versions of the product are rolled out, the most common change is to add new data columns. Columns being dropped or renamed may happen occasionally, but our main focus right now is how to handle new columns being added. The problem that we want to address is how to handle the data for clients who use an older version of the product. If we don’t account for the new columns in our SSIS packages, then the data in those columns for clients using an older product version will not be processed. What we want to avoid is having to maintain a separate version of the SSIS packages for each version of the product. Has anyone successfully implemented a solution for this situation?

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• Is Android IPC plumbing exposed in any official and/or supported way?

  - by mathrick

  I'm interested in knowing how much the IPC mechanisms are meant to be exposed to the outside world. That is, if I wanted to impersonate a dalvik VM instance without having my app actually written in Java, am I allowed to do so, or will the protocol change the next time I look away from the screen? If it's allowed, what are the stability guarantees or lack thereof? Is there anything like documentation, or am I supposed just to read the fine sources on android.git.kernel.org? The purpose of it all would be to write apps in !Java languages while retaining the ability to construct GUIs. I don't care or mind if the code is technically inside a dalvik process as a JNI callout, what I'm interested in is "if I'm really good at pretending I'm Java over the wire, can I do everything actual Java code can? Or is there something that's only available as Java bytecode and nothing else?"

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• How to complete a git clone for a big project on an unstable connection?

  - by LaPingvino

  I am trying to git clone the LibreOffice codebase, but at the moment I have an internet connection by mobile phone of about 300kbps and it's just anything but stable. I can get the connection back any moment, but then the git clone process already stopped working, and no way to get it running again. Is there some way to have a more failure-resistant git clone download? One option I considered myself is to download someone else's .git directory, but that is overly dependent of others and doesn't seem like the best possible solution to me.

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• Quick way to get an NSDictionary from an XML NSData representation?

  - by dontWatchMyProfile

  I've loaded an XML file as NSData into memory and parse over the elements using NSXMLParser. Although it works, it's a very ugly and hard to maintain code since there are about 150 different elements to parse. I know there are nice third-party solutions, but I want to keep it with the iPhone SDK for purpose of practice and fun. So I thought: Why not convert that XML file into an NSDictionary? Having this, I could use fast enumeration to go over the elements. Or is it just the same amount of ugly code needed to parse and process an XML right away with NSXMLParser? Would I build up an NSDictionary for every found node in the XML and create a huge one, containing the whole structure and data? Or is there an even simpler way?

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• Are there libraries or techniques for collecting and weighing keywords from a block of text?

  - by Soviut

  I have a field in my database that can contain large blocks of text. I need to make this searchable but don't have the ability to use full text searching. Instead, on update, I want my business layer to process the block of text and extract keywords from it which I can save as searchable metadata. Ideally, these keywords could then be weighed based on the number of times they appear in the block of text. Naturally, words like "the", "and", "of", etc. should be discarded as they just add a lot of noise to the search. Are there tools or libraries in Python that can do this filtering or should I roll my own?

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• Return cell reference as result of if statement with vlookups.

  - by EMJ

  I have two sets of data in excel. One contains a set of data which represents the initial step of a process. The other set of data represents the additional steps which take place after the first step is completed. Each of the data records in the "additional step data" has an id in a column. I need to find the identifying codes of the "additional step data" which correspond with the initial step data records. The problem is that I have to match the data in 4 columns between the two data sets and return the id of the "additional step data". I started by doing a combination of an if and vlookup functions, but I got stuck when I tried to figure out how to get the if statement to reference the id of the matching "additional step data". Basically I am trying to avoid having to search by manually filtering between two sets of data and finding corresponding records. Does anyone have any idea about how to do this?

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• What's the most efficient way to manage large datasets with Javascript/jQuery in IE?

  - by RenderIn

  I have a search that returns JSON, which I then transform into a HTML table in Javascript. It repeatedly calls the jQuery.append() method, once for each row. I have a modern machine, and the Firefox response time is acceptable. But in IE 8 it is unbearably slow. I decided to move the transformation from data to HTML into the server-side PHP, changing the return type from JSON to HTML. Now, rather than calling the jQuery.append() time repeatedly, I call the jQuery.html() method once with the entire table. I noticed Firefox got faster, but IE got slower. These results are anecdotal and I have not done any benchmarking, but the IE performance is very disappointing. Is there something I can do to speed up the manipulation of large amounts of data in IE or is it simply a bad idea to process very much data at once with AJAX/Javascript?

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• How do I add items to the Finder context menu in Mac OS X?

  - by mystro

  I'm in the process of porting a Windows application to OS X (we wrote it in Java so most of the code is portable), but what I'm currently unsure of is how to add context menu items in the Finder window when the user right clicks on an item (i.e. I wish to add some items to the the menu that has "Open" "Open with" , "Get Info", etc... when the user right clicks). Most of the articles I've found deal specifically with Windows (I've searched for "context menus" and "shell extension", but I believe I may be searching the wrong terms), so I'm curious as to how to go about adding this in Mac or what literature I should be reading.

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• How to store matrix information in MySQL?

  - by dedalo

  Hi, I'm working on an application that analizes music similarity. In order to do that I proccess audio data and store the results in txt files. For each audio file I create 2 files, 1 containing and 16 values (each value can be like this:2.7000023942731723) and the other file contains 16 rows, each row containing 16 values like the one previously shown. I'd like to store the contents of these 2 file in a table of my MySQL database. My table looks like: Name varchar(100) Author varchar (100) in order to add the content of those 2 file I think I need to use the BLOB data type: file1 blob file2 blob My question is how should I store this info in the data base? I'm working with Java where I have a double array containing the 16 values (for the file1) and a matrix containing the file2 info. Should I process the values as strings and add them to the columns in my database? Thanks

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• Best way to notify several java applets/applications of a change on a server

  - by Dustin

  I need to know the best (fastest) way to have a server (preferably a php based one, but a jsp/servlet one could be set up as well using google app engine) notify several java applets/applications that a change has occurred to the data. The way i am picturing this to work will be very similar to that of the way i think an online java game (like Runescape) works User 1: Changes data on server. Server: returns success to User 1, notifies connected computers of change. Connected Computer 1: processes change, returns success to server. Connected Computer 2: processes change, returns success to server. Connected Computer 3: processes change, returns success to server. Connected Computer 4: processes change, returns success to server. I am hoping to have this entire process complete in half a second, and not involve polling as there will be long durations of nothing, followed by a sudden moment where 4 events happen in succession.

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• node.js simply does not run

  - by user309641

  I installed and ran node.js just fine on my mac, but even if I do this on windows chdir c:\testfolder node example.js then I get this error: node.js:201 throw e; // process.nextTick error, or 'error' event on first tick Error: Cannot find module 'c:\testfolder\example.js' at Function._resolveFilename <module.js:322:11> at Function._load <module.js:299:25> at Array.0 <module.js:499:10> at EventEmitter._tickCallback <node.js:192:40> I'm only even trying to run the example code on the nodejs website: var http = require('http'); http.createServer(function (req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end('Hello World\n'); }).listen(1337, '127.0.0.1'); console.log('Server running at http://127.0.0.1:1337/');

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• Cannot convert to string [on hold]

  - by user3598883

  I am trying to transfer information from form1 to form2 and I am getting the error of "Cannot implicitly convert type form1.employee to 'string' Some coding i have used for this transfer process is as follows: (everything is set to public) I'll Also add that I ONLY have it set to FirstName.FirstName because it seems tog et it to work if I remove one one of the FirstName then It tells me it cannot convert to string public void Enter_Click(object sender, EventArgs e) Form2 frm2 = new Form2(); Employee FirstName = new Employee(); if (Directions.Text == "Please Enter Employee First Name") { FirstName.FirstName = Info.Text; Directions.Text = "Please Enter Employee Last Name"; } frm2.FN.Text = FirstName; public class Employee { public string FirstName; }

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• Scripting vim to Run Perltidy on a Buffer

  - by rjray

  At my current job, we have coding-style standards that are different from the ones I normally follow. Fortunately, we have a canned RC file for perltidy that I can apply to reformat files before I submit them to our review process. I have code for emacs that I use to run a command over a buffer and replace the buffer with the output, which I have adapted for this. But I sometimes alternate between emacs and vim, and would like to have the same capabilities there. I'm sure that this or something similar is simple and had been done and re-done many times over. But I've not had much luck finding any examples of vim-script that seem to do what I need. Which is, in essence, to be able to hit a key combo (like Ctrl-F6, what I use in emacs) and have the buffer be reformatted in-place by perltidy. While I'm a comfortable vim-user, I'm completely clueless at writing this sort of thing for vim.

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• Any dynamic database frontend tool from which you can update directly?

  - by Enjoy coding

  Hi Gurus, This is with reference to this question where I got one tabular report format. I need to update the user entered values correctly back to the same table rows. I am in the process of doing this by using general form post data methods by using some logics which I think will not be easy to maintain. So, just out of curiosity, Is there a front end creator javascript libraries or frameworks which can create the front end for any query's resultset and updates the corresponding rows when the user updates them from front end. This need not have all the full functionality, any one usable, customizable thing will reduce the code maintenance problems. I have googled for some javascript libraris for this but not able to get which will be suitable. Please suggest any useful tools. My environment is Mysql, PHP, JQuery, XAMPP server on Windows. Is JQuery provides one. Thanks in advance.

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• PHP fetch all Twitter Followers and compare them to friends

  - by ArneRie

  Hi, iam looking for performant way to do the following: User login Fetch all Friends from Twitter Fetch all Followers from Twitter Display all Friends wich aren't Followers The Problem: How to do this in a performant way? An user can have up to 2 Million Friends or Followers. In the moment im Storing both inside an sqllite table an compare them through an loop. When the user comes back the table is cleared and process starts again. This works finde on 100 - 1000 Friends.. but will be tricky with 500000 Friends. I cant cache the lists because they can change every moment.. Does someone knows a good way to handle such big amount of data?

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• uploading app problem in developers site

  - by Siva K

  hi i have posted one of my app in market.android.com when i am trying to post second app it shows "You have another application on Market with the same package name. Go to that other application, and click upgrade" I dont want to upgrade it but i want my second app to be posted. When i tried to change the package name it showed lots of errors, so i decided to create the app once again in a new package and project name, it seems to be a very lengthy process.... pls help me to solve the issue bcoz i have created all my app in same package name unknowingly.......

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• how to remove all text nodes and only preserve structure information of a html page with nokogiri

  - by user58948

  I want to remove all text from html page that I load with nokogiri. For example, if a page has the following: <body><script>var x = 10;</script><div>Hello</div><div><h1>Hi</h1></div></body> I want to process it with Nokogiri and return html like the following after stripping the text like so: <body><script>var x = 10;</script><div></div><div><h1></h1></div></body> (THat is, remove the actual h1 text, text between divs, text in p elements etc, but keep the tags. also, dont remove text in the script tags.) How can I do that?

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• How to research unmanaged memory leaks in .NET?

  - by Brandon

  I have a WCF service running over MSMQ. Memory gradually increases over time, indicating that there is some sort of memory leak. I ran the service locally and monitored some counters using PerfMon. Total CLR memory managed heap bytes remains relatively constant, while the process' private bytes increases over time. This leads me to believe that there is some sort of unmanaged memory leak. Assuming that unmanaged memory leak is the issue, how do I address the issue? Are there any tools I could use to give me hints as to what is causing the unmanaged memory leak? Also, all my service is doing is reading from the transactional queue and writing to a database, all as part of a DTC transaction (handled under the hood by requiring a transaction on the service contract). I am not doing anything explicitly with COM or DllImports. Thanks in advance!

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• Installing Java SDK on Linux.

  - by Negai

  Hi everyone, I'm currently trying to install Java SDK on my Debian 'Etch'. Even though the installation process has been described a number of times, but still I haven't found the information to solve the problem. Here is, what I'm getting: m@sanctuary:~/distr/java$ fakeroot make-jpkg jdk-6u20-linux-i586.bin Creating temporary directory: /tmp/make-jpkg.sqQPnaxiwl Loading plugins: blackdown-j2re.sh blackdown-j2sdk.sh common.sh ibm-j2re.sh ibm-j2sdk.sh j2re.sh j2sdk-doc.sh j2sdk.sh j2se.sh sun-j2re.sh sun-j2sdk-doc.sh sun-j2sdk.sh Detected Debian build architecture: i386 Detected Debian GNU type: i486-linux-gnu No matching plugin was found. Removing temporary directory: done Could anybody help me? Thanks in advance.

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• UITableView headings shown on top of MBProgressHUD

  - by Chris Ballinger

  So I have a subclass of UITableViewController that loads some data from the internet and uses MBProgressHUD during the loading process. I use the standard MBProgressHUD initialization. HUD = [[MBProgressHUD alloc] initWithView:self.view]; [self.view addSubview:HUD]; HUD.delegate = self; HUD.labelText = @"Loading"; [HUD show:YES]; This is the result: . Is there any way to resolve this issue, or should I just abandon MBProgressHUD? Thanks!

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• I'm a PHP programmer, how easy will it be to "master" c++?

  - by ThinkingInBits

  I've been a PHP programmer for 8 or so years, I'm familiar with OOP and try to consider best practices whenever programming. I would like to pick up C++ to possibly enter the 'game development' field, where now I'm doing web dev. I'm not a school person, but was wondering what people think about self-taught math to complement learning c++ for game dev. The last math course I took was algebra 2. Should I start delving myself into pre-calculus? Are there any other suggestions you may have to ease the process?

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