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  • Key logging in .NET

    - by Moshe
    Is it possible to write a key logger in Visual Basic.NET? Is this the right language to be using? So far, I've gotten a console app to read input and append to a file. 1)How can I make a .NET program "catch" all keyboard input? 2)How do I make a process not show up in Task Manager? This is not for a virus, but rather a parental control program for a specific clientele. No malicious intent here.

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  • Good Perlin noise resources/implementation?

    - by Chumpy
    Are there any good resources out there detailing Perlin noise generation? I understand that most languages have noise generating libraries available, but I'm interested in creating my own for fun/experience. I've already looked at this, which seems pretty popular, but it only gives an in-depth explanation of one dimensional noise. Google searches have been relatively unhelpful so far, as most of them focus on applications instead of how to create a generator. Books and/or websites are welcome, even if their focus is not the generation itself so long as it gives a thorough explanation of an implementation, or at least the concepts involved so I can "discover" my own.

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  • Mercurial: pull changes from unversioned copy

    - by Austin Hyde
    I am currently maintaining a Mercurial repository of the project I am working on. The rest of the team, however, doesn't. There is a "good" (unversioned) copy of the code base that I can access by SSH. What I would like to do is be able to do something like an hg pull from that good copy into my master repository whenever it gets updated. As far as I can tell, there's no obvious way to do this, as hg pull requires you have a source hg repository. I suppose I could use a utility like rsync to update my repository, then commit, but I was wondering: Is there was an easier/less contrived way to do this?

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  • What web server should I use if I want to run Java code behind?

    - by Boaz
    At the moment, I have lot's of Java which does all kind of nifty stuff and I'm happy with it. The code is command line driven which have been great so far, but I recently decided I want to make the functionality available through web-services. Since my is complex and I'm happy with the way it's written , I don't want go through the pain of porting it to other languages. So I set out on a google journey to find out what web servers exist (on a Linux machine, though it's interesting to hear the answer without that limitation). From what I could find, it seems that there are two viable options: Apache Tomcat and Sun Java Server. What are the reason to choose one on top of the other? what are the strength of each and what are the weaknesses? Or, perhaps, there is a third one which is much easier, flexible and less cumbersome. Anyone?

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  • Grails: JSONP callback without id and class in JSON file

    - by Klaas
    Hi, I am working on a REST based interface where people get a json file. The client needs to access the file from another Domain. I use jsonp which works so far. My problem is the rendering in Grails. At the moment I use the 'as JSON' to marshalling the object: render "${params.jsoncallback}(${user as JSON})" The Json file getting to the client inclused all attributes, incluing the id and class, which I do not want to have in there. In case it is not jsonp, I do it this way, which works great: render(contentType:'text/json'){ userName user.userName userImage user.userImage : : } So how do I get the id and class attributes out of the json when rendering "user as JSON"? Any idea? best regards, Klaas

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  • Problem using PHP to open text file - blank spaces are removed

    - by Reg H
    Hi All, I'm trying to open and process ASCII files using PHP, but am having problems. The problem is that the blank spaces are removed, which I don't want to have happen, since the files are fixed width. The PHP script I used is this: $myFile = Test.SEG"; $file_handler = fopen ($myFile, r) or die ("Can't open SEG File."); while (!feof($file_handler)) { $dataline = fgets($file_handler); echo $dataline, ""; } I tried pasting samples of the original file in here, but the spaces were removed here as well! At this stage I'm just building the script in steps, getting one step working at a time, but this is as far as I've gotten. I plan to use substr() on '$dataline' to pick out the fields I need. Any suggestions on how to keep the spaces intact? Something tells me it's something to do with encoding, but I don't know for sure. Thanks!

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  • Understanding the "Instantiation" of Actionscript/Flash Objects

    - by parallax7d
    Could someone expand and clarify the different logical instantiations of objects in actionscript? So far it seems there are 3 layers of instantiations, for lack of a better term. The first one is declaring a variable/type. Next is instantiating that variable with something solid in the code, like a method or function? Is this just a way to glue things together? Then after that you instantiate it on the stage, is this something you have to do explicitly, or is it a side effect? Is this "3 layer" concept the correct way of looking at it, kind of like the MVC for flash app logic?

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  • Regex to validate SMTP Responses?

    - by Alix Axel
    I'm writing a regular expression that can interactively validate SMTP responses codes, once the SMTP dialog is completed it should pass the following regex (some parentheses added for better readability): ^(220)(250){3,}(354)(250)(221)$ Or with(out) authentication: ^(220)(250)((334){2}(235))?(250){2,}(354)(250)(221)$ I'm trying to do rewrite the above regexes so that I can interactively check if the dialog is going as expected, otherwise politely send a QUIT command and close the connection saving bandwidth and time, but I'm having a hard time writing an optimal regex. So far I've managed to come up with: ^(220(250(334(235(250(354(250(221)?)?)?){0,})?){0,2})?)?$ Which, besides only matching authenticated connections, has some bugs... For instance, it matches: 220250334235250354250221 220250334334235250354250221 I've also tried the following modification: ^(220(250)?)?((334(235)?){2})?(250(354(250(221)?)?)?){0,}$ This one accepts non-authenticated responses but it fails to match 220250334 and wrongly matches 220250334334235250354250221 (at least 2 250 are needed before the 354 response code). Can someone help me out with this? Thanks in advance.

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  • itunes sdk list albums

    - by Matt Facer
    Hi guys, I'm working on a new test app (just out of curiosity really) which is an add on to iTunes. I'm trying fairly basic things at the mo, and have managed to control volume, pause etc etc. I have a function from some demo code which loops through all the tracks in my main library and gets their album name... I then show the individual album name in my listbox. This is FAR from the best way to do it! Is there a way to query the library to get just the album names? I ultimately want to get to a point where I can have a list of albums (with images) - I click on the album name and that loads the associated tracks.... thanks for any help! (I'm using VB.net btw)

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  • Hiding a value in an Android application

    - by Ewan
    Hi, I need to hide a value in a mobile (Android OS) application. As far as I can see, encrypting the value is of no use as the key to the encryption mechanism must be available to the program and is thus available to an attacker reverse-engineering the code. So, it seems that the only "solution" is to hide the secret value in the application as well as possible, obviously not ideal. Any comments? Am I missing something? If not, what's the best way to hide the value? Thanks for your ideas! Ewan

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  • How can I find out which version of emacs introduced a function?

    - by Chris R
    I want to write a .emacs that uses as much of the mainline emacs functionality as possible, falling back gracefully when run under previous versions. I've found through trial and error some functions that didn't exist, for example, in emacs 22 but now do in emacs 23 on the rare occasion that I've ended up running my dotfiles under emacs 22. However, I'd like to take a more proactive approach to this, and have subsets of my dotfiles that only take effect when version = <some-threshold> (for example). The function I'm focusing on right now is scroll-bar-mode but I'd like a general solution. I have not seen a consistent source for this info; I've checked the gnu.org online docs, the function code itself, and so far nothing. How can I determine this, without keeping every version of emacs I want to support kicking around?

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  • Alternative to COM blind aggregation in .NET for class with private interface

    - by Philip
    When extending a COM class in unmanaged C++ where the original class has private interfaces, one way to do this is through the concept of blind aggregation. The idea is that any interface not explicitly implemented on the outer aggregating class is 'blindly' forwarded to the inner aggregated class. Now .NET as far as I can figure out does not support COM aggregation natively. A somewhat tedious workaround is to create a .NET class where you implement all the required COM interfaces directly on the .NET class and simply forward to an instance of the actual COM class for any methods you don't want to override. The problem I have is when the original COM object has one or more private interfaces, i.e. undocumented interfaces that are nonetheless used by some consumers of the original class. Using blind aggregation in unmanaged C++ this is a non-issue as the calls to the private interfaces are automatically forwarded to the original class, however I can't find any way of doing the same thing in .NET. Are there any other ways of accomplishing this with .NET?

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  • Rails 3: config/initializers errors for gem configuration

    - by neezer
    I'm trying to setup this plugin (Crumble), and the docs say I need to add a configuration file for the plugin in config/initializers/ like this (breadcrumb.rb): Breadcrumb.configure do ... end I add in my directives in that block, and reloaded the page, and I'm immediately greeted with a Passenger error: uninitialized constant Breadcrumb What am I missing here? gem list shows Crumble as installed, and if I launch IRB I can require 'crumble' successfully. I remember doing this just fine in Rails 2.3.5. Here's my setup: rails 3.0.0.beta3 ruby 1.9.1p378 (via RVM) passenger 2.2.11 (with Apache2) crumble 0.1.2 I've been trying to read the Rails 3 release notes to see if they've changed anything that would affect this, but so far I haven't found anything to suggest that the above shouldn't work. I'd appreciate any guidance you could spare me!

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  • Error when running MSpec - how do I troubleshoot?

    - by Tomas Lycken
    I am following this guide to installing and using MSpec, but at the step where he runs MSpec for the first time, I get the following error: Could not load file or assembly 'file:///[...]\Nehemiah\Nehemiah.Specs\bin\Debug\Nehemiah.Specs.dll' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. I have - to my knowledge - done everything more or less exactly like he did up to this step, except where differences arise because he's using VS2008 and I'm using VS2010, and everything has worked so far. The project Nehemijah.Specs (and the entire solution) builds without problem, both in Visual Studio and on my build server, and I can't find anything useful in Event Viewer (although I might not be looking in the right place here...) What to do?

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  • Generating a scalogram of a signal

    - by Goz
    Hi there, I'm trying to build a scalogram view for my app to see whether there is relevant information we can retrieve from a wavelet transform as opposed to using a spectograms to see what can be retrieved via an FFT. So far I can take a wave form and I can perform the forward wavelet transform on it. However I am lost at the next step. How do I turn this information into power/energy information? I have a set of wave forms at different frequencies but I have, as I say, no frequency information. Can anyone tell me what the next step is for turning this transformed data into a scalogram? Any help would be much appreciated because my google skills are failing me!

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  • VB.NET ASP.NET Web Application woes (VS 2008)

    - by typoknig
    Hi all, I am making my first web application with ASP.NET and I am having a rough time. I have previously created the application I am working on as a Windows Form application and it works great, but I am having problems with the HTML side of things in the web application. My issues are pretty minor, but very annoying. I have worked with websites before and CSS, but as far as I can tell I do not have direct access to a CSS when creating a web application in VS 2008. My biggest issue is the positioning of components that I have dragged onto the "Default.aspx" form. For instance, how am I supposed to float a panel next to another one if I don't have a CSS, or how am I to correctly position a label?

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  • How to reschedule Alarm Manager on Preference Change

    - by Priyank
    Hi, I have an Android Service. When a phone boots up, a broadcast receiver receives a notification and it schedules the service to run repeatedly at a gap of X minutes. Henceforth After every X minutes another broadcast receiver gets those notifications and kicks the service off, which does it's job and quits. So far so good. Now I want those X minutes to be configurable. I have a perf.xml similar to what is given at the link below. This XML captures all my preferences along with that of service timer. http://android-journey.blogspot.com/2010/01/for-almost-any-application-we-need-to.html Now when user changes preferences; how can I reschedule the alarm? Is there a way I can set a listener on preferences change? I have used only XML files to speficy preferences screen. Any ideas will be welcome. Cheers

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  • How to obtain the root of a tree without parsing the entire file?

    - by Matt.
    I'm making an xml parser to parse xml reports from different tools, and each tool generates different reports with different tags. For example: Arachni generates an xml report with <arachni_report></arachni_report> as tree root tag. nmap generates an xml report with <nmaprun></nmaprun> as tree root tag. I'm trying not to parse the entire file unless it's a valid report from any of the tools I want. First thing I thought to use was ElementTree, parse the entire xml file (supposing it contains valid xml), and then check based on the tree root if the report belongs to Arachni or nmap. I'm currently using cElementTree, and as far as I know getroot() is not an option here, but my goal is to make this parser to operate with recognized files only, without parsing unnecessary files. By the way, I'm Still learning about xml parsing, thanks in advance.

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  • What are suitable performance indicators for programmers?

    - by Graphain
    Hi, I am wondering what performance indicators people encounter, and think are realistic, for programmers in the workplace? I've seen numerous articles (I can't recall a really good one that I read right now) that detail how programmers will optimise for the metric they are being measured by (whether that be lines of code etc.). However, is there any metric that can be used as a good performance indicator of a programmer in the workplace, and conversely be used as a milestone by a programmer when negotiating with management? Replies Thanks for the link to that one and good feedback so far!

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  • Mouse configurable buttons for programming

    - by DavRob60
    Different mouse models has been already discussed. But all these mouse got configurable buttons. Has a programmer, how do you set them? I use The Microsoft Intellimouse Optical. So set the Left side button to "Copy" and the Right side button to "Paste". I did not set the Wheel click to anything. I'm curious to see if there is any better setup? UPDATE : I'm trying to find some interesting key I could map to my mouse buttons. Copy & paste are the best I' found so far, but i just want to know if there is something that could be more useful when programming.

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  • c# application and configuration settings

    - by Maks
    Hi, I never used Settings class before but I found some articles on CodeProject which I'm currently reading (for example http://www.codeproject.com/KB/cs/PropertiesSettings.aspx) but so far I didn't see how to save string array for getting it after application is started next time. For example my application has several FileSystemWatcher instances, with each instance several other directories are connected (for example one FSW instance is monitoring one directory for a change and when it happens it copies some file to several other directories), so I would have one string array with watched paths representing FSW instances, and string array for each of those paths, representing directories that are affected. My question is, what should I use (Settings class or something else), and how should I use that for storing application configuration that is variable number of string arrays? Emphasize is on something I could use very soon as I don't have too much time to make custom class (but would have to if I cannot find solution) or dig into some obscure hacks. Any tutorial link, code snippet would be very helpful. Thanks.

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  • Silverlight 4 Drag and Drop Alternatives

    - by Eric J.
    I want to add the ability to drag a user control from one part of a Silverlight 4 page onto another user control on the same page (not talking about the new Silverlight 4 ability to drag a file from the OS onto the page). What approach is most straightforward? What approach offers the most flexibility? Here are some alternatives I found so far SO drag-and-drop-control-for-silverlight. Same question but answers apply to SL 2. Alex van Beek's DragManager. Written for SL3. Silverlight Drag Drop. Also written for SL3.

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  • Reading numeric Excel data as text using xlrd in Python

    - by Brian
    Hi guys, I am trying to read in an Excel file using xlrd, and I am wondering if there is a way to ignore the cell formatting used in Excel file, and just import all data as text? Here is the code I am using for far: import xlrd xls_file = 'xltest.xls' xls_workbook = xlrd.open_workbook(xls_file) xls_sheet = xls_workbook.sheet_by_index(0) raw_data = [['']*xls_sheet.ncols for _ in range(xls_sheet.nrows)] raw_str = '' feild_delim = ',' text_delim = '"' for rnum in range(xls_sheet.nrows): for cnum in range(xls_sheet.ncols): raw_data[rnum][cnum] = str(xls_sheet.cell(rnum,cnum).value) for rnum in range(len(raw_data)): for cnum in range(len(raw_data[rnum])): if (cnum == len(raw_data[rnum]) - 1): feild_delim = '\n' else: feild_delim = ',' raw_str += text_delim + raw_data[rnum][cnum] + text_delim + feild_delim final_csv = open('FINAL.csv', 'w') final_csv.write(raw_str) final_csv.close() This code is functional, but there are certain fields, such as a zip code, that are imported as numbers, so they have the decimal zero suffix. For example, is there is a zip code of '79854' in the Excel file, it will be imported as '79854.0'. I have tried finding a solution in this xlrd spec, but was unsuccessful.

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  • C# detect page redirect

    - by petebob796
    I am trying to determine if a qualification exists on http://www.accreditedqualifications.org.uk in the form: http://www.accreditedqualifications.org.uk/qualification/50084811.seo.aspx 50084811 being a qualification aim entered by the end user. If they enter an invalid one e.g. http://www.accreditedqualifications.org.uk/qualification/50084911.seo.aspx They are redirected to an error page (with incorrect http headers as far as I can see). Is there a way to detect the redirect in C#. I would hope to be able to detect the redirect in http headers (thinking it will issue 2) or similar as oppose to having to download the whole page. This could be happening a lot so I would like to minimize traffic.

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  • How to Make URLs clickable inside of UITableViewCell ?

    - by Chris
    I know how to use UIWebView and can invoke a WebView if it is associated with a specific button or UITableViewCell. What I am trying to achieve is to have a UITableViewCell with a chunk of text. That chunk of text might contain a URL. I want to make the URL into a clickable link and have that link open into a WebView. My thought so far has been that I need to detect a link and insert it as a UIButton within the cell... but I don't know if that is the right way to go about this. Any ideas or input would be much appreciated.

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