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  • Does it make sense to resize an Hash Table down? And When?

    - by Nazgulled
    Hi, My Hash Table implementation has a function to resize the table when the load reaches about 70%. My Hash Table is implemented with separate chaining for collisions. Does it make sense that I should resize the hash table down at any point or should I just leave it like it is? Otherwise, if I increase the size (by almost double, actually I follow this: http://planetmath.org/encyclopedia/GoodHashTablePrimes.html) when the load is 70%, should I resize it down when the load gets 30% or below?

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  • Ruby script as service

    - by mplacona
    Well, the title say it all. I have a ruby script I want running as a service (one I can start and stop) on my Linux box. I was able to find how to do it on Windows here Some readings point to creating daemons or cron tasks. I just need something simple I can call on my box's reboot, and can stop/start whenever I please. my script has an internal sleep call, and runs in "eternal loop" thanks in advance

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  • ASP.NET ascx.cs via GET

    - by Heavy Bytes
    Say I have this url: http://site.example/dir/ In this folder I have these files: test.ascx.cs and test.ascx Just to be clear, I am not a .NET developer. From a security point of view - why can't I access http://site.example/dir/test.ascx.cs and how secure is it to keep those files there? I assume IIS filters out request that query these kind of files, but can someone explain me this? Thank you.

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  • Google maps API : V2 : Custom infowindow with bindInfoWindowHtml

    - by PlanetUnknown
    The API documentation gave me hopes last night with "bindInfoWindowHtml". But it doesn't seem to replace the default infoWindow, even when you provide your own class etc. I have tried using other ideas like the labeledmarker. But it doesn't support draggable markers. Hence can't use it in my application. Here is the sample code which shows the info. window inside, the original bubble. Isn't there a way to override that window as well ! ` <style type="text/css"> .infoWindowCustomClass { width: 500px; height: 500px; background-color: #CAEE96; color: #666; } </style> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <title>Google Maps JavaScript API Example</title> <script src="http://maps.google.com/maps?file=api&amp;v=2&amp;sensor=false&amp;key="" type="text/javascript"></script> <script type="text/javascript"> function load() { if (GBrowserIsCompatible()) { // Create our "tiny" marker icon var blueIcon = new GIcon(G_DEFAULT_ICON); blueIcon.image = "http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png"; // Set up our GMarkerOptions object markerOptions = { icon:blueIcon }; var map = new GMap2(document.getElementById("map")); map.setCenter(new GLatLng(33.968064,-83.377047), 13); markerOptions.title = "fart"; var point = new GLatLng(33.968064,-83.377047); var marker = new GMarker(point); var tempName = document.getElementById("infoWindowCustom"); marker.bindInfoWindowHtml(tempName); map.addOverlay(marker); } } </script>` And here is the DIV - <DIV id="infoWindowCustom" name="infoWindowCustom" class="infoWindowCustomClass"> Name : <TEXTAREA NAME="nameID" ID="nameID" ROWS="2" COLS="25"></TEXTAREA> Comments : <TEXTAREA NAME="commentsID" ID="commentsID" ROWS="4" COLS="25"></TEXTAREA> </DIV>

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  • Mate and Remote Java Services Integration

    - by subh
    I am new to Flex and need to integrate Java services with Flex UI built using Mate framework. Can anyone point me to any website/links or show an simple example of integrating Flex UI on Mate framework with Java remote services? A simple integration of a "LoginService" will be good enough.

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  • Why are Python exceptions named "Error"?

    - by Elena
    Why are Python exceptions named "Error" (e.g. ZeroDivisionError, NameError, TypeError etc) and not "Exception" (e.g. ZeroDivisionException, NameException, TypeException etc). I come from a Java background and started to learn Python recently, as such this is confusing because in java there is a distinction between error and exception. Is there a difference in Python also or not? Can someone explain or point me to some documentation explaining it? Thank you!

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  • automating write conflict messages

    - by archer
    is there any method to avoid the annoying write conflict messages by automating and hiding the process so that it doesn't appear as if the program is defective? there doesn't seem to be any point to these messages anyway as there is only one real choice which is to drop the changes.

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  • Delphi : Sorted List

    - by Sethu
    I need to sort close to a 1,00,000 floating point entries in delphi. I am new to delphi and would like to know if there are any readymade solutions available. I tried a few language provided constructs and they take an inordinate amount of time to run to completion.(a 5-10 sec execution time is fine for the application)

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  • IPhone OS 4.0 - Beta 3 - setContentURL on MPMoviePlayerViewController crashing the App

    - by Thom
    Hi Everyone. I had this issue, with the beta2 and I thought the beta3 was going to solve it, but I'm starting to think that I'm doing something wrong. I have a MPMoviePlayerViewController playing a video and when the video ends I'm trying to change the video for another like this: [moviePlayerViewController.moviePlayer setContentURL:newVideoURL]; The app crashes when it reaches this point. Any help/advice welcome :) Thanks Thomas

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  • What happened to the "Run" and "Run On" commands in Visual Studio 2010 Database Projects?

    - by Steve Elmer
    Hello, I have migrated a database project from VS2008 to VS2010. While in VS08, I used to be able to right-click on a .sql or .cmd file and select a "Run" or "Run On" command from the context menu. In VS2010, though, these menu items seem to have gone away. I have a number of .sql and .cmd scripts that I am used to being able to run directly from the Visual Studio IDE. Can someone point me in the right direction? Thanks, Steve

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  • How to compute fmod in C#?

    - by Danvil
    For given floating point numbers x and a, I would like to compute r (and n) such that x = a*n + r . In C/C++ this function is called fmod. However I do not see a convenient function in .NET. Math.DivRem is only for integers ...

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  • Rebuilding website from Django 0.96 to Django 1.2

    - by Neytiri
    I've got a website done in Django 0.96 (done in 2007), and now we are thinking about rebuilding it (not just migrating) for Django 1.2 . Can anyone point me to the new (and worth the while) widgets, plugins and other stuff for Django 1.2 (released in april 2010). I've heard of "South" and of a widget for debugging (can't remember the name), but I'm a little lost here.

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  • Compare double till precision 2

    - by Ram
    Hi, I want to compare two double values till the second digit from decimal point. I am using following statement but I think it is not working properly. dbl1.ToString("g2", CultureInfo.InvariantCulture).Equals( dbl2.ToString("g2", CultureInfo.InvariantCulture)) Am I missing anything here?

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  • How to write a crawler?

    - by Jason
    Hi All, I have had thoughts of trying to write a simple crawler that might crawl and produce a list of its findings for our NPO's websites and content. Does anybody have any thoughts on how to do this? Where do you point the crawler to get started? How does it send back its findings and still keep crawling? How does it know what it finds, etc,etc. Thanks! -Jason

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  • add extra hint icon at current google map

    - by user315396
    my code is written from http://stackoverflow.com/questions/1171433/jquery-xml-and-google-map Now all marker icons can be displayed at current google map. But now I want to add some function. When getting description of item (it will map to opposite icon) ,if user click this description, a hint will display near the map icon at google. I still can't how to start.I can get lat and lng of location. PS:some of markers will map to same point.

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  • Verify a X.509 certificate with Java ME and Bouncy Castle

    - by Dino
    Hi, Can anybody point me to an example of verifying a X.509 certificate with Bouncy Castle under Java ME? I can see how to easily do this in Java SE code with java.security.cert.Certificate.verify(), but I could not find an equivalent method in the lightweight BC API. Thanks in advance! Cheers Dino

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  • Update local sqlite database from Adobe AIR application

    - by Kiran
    I have a local sqlite database which is created by an IE addon. The sqlite database cannot be updated from a Adobe AIR application which I use as a frontend. The exception is as follows SQLError:'Error #3132:Datatype type mismatch.',details:'could not convert floating point value to integer without loss of data.',operation:'execute',detailID:'2302'

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  • Managing Java dependencies in a Grails application?

    - by Stefan Kendall
    I'm trying to adopt my development from Spring/Maven2/Tomcat -> Grails, and I'm wondering if there's an easy way to manage dependencies in grails separate from maven. Maven does a lot of the magic that grails is doing automatically (unit testing/building/etc.), so I wonder if there's a need for maven at all in grails projects. So, then, how do Grails users generally manage java dependencies? I've become accustomed to central repository dependency management, and I can't turn back at this point.

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  • Information on Rojiani's Numerical methods C textbook

    - by yCalleecharan
    Hi, having taken a look at a few textbooks that discuss numerical methods and C programming, I was gladly surprised when browsing through "programming in C with numerical methods for engineers" by Rojiani. I understand of course it's important that one need to have a solid background in numerical methods prior to try implementing them on a computer. I would like to know if someone here has been using this book and if possible point out strengths and weaknesses of this textbook. Thanks a lot...

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  • Passing object to the constuctor of Entity Class with adding new item from DataForm!

    - by Muhammad Jamal Shaikh
    hi, here is my case , i want to assign roles to my employees. All Roles are need to be sent to the constructor of the employee class when a user clicks + sign on the top of dataform(Silverlight toolkit 2009). if i put a break point on the default constructor , it gets hit. so i just want the dataform to send this collection when ever it creates new employee. thanks Jamal.

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  • Help me stabilize this jRun configuration (CF9/Win2k3/IIS6)

    - by jfrobishow
    Not sure if this would be better suited for ServerFault, but since I am not an admin but a developer I figured I would try SO. We've been struggling to keep our multi-server configuration stable for quite some time now. At the end of last month we were running under CF 7.0.2 on a two servers setup (one instance each). At that point we managed to get our uptime to around 1 week per instance before they would restart by themselves. Since the beginning of the month we upgraded to CF 9 and we're back to square one with multi-restart a day. Our current configuration is 2 Win2k3 servers, running a cluster of 4 instances, 2 instances per server. At this point we are pretty certain this is due to improper JVM settings. We've been toying with them and while some are more stable than others we never quite got it right. From the default: java.args=-server -Xmx512m -Dsun.io.useCanonCaches=false -XX:MaxPermSize=192m -XX:+UseParallelGC -Dcoldfusion.rootDir={application.home}/ To currently: java.args=-server -Xmx896m -Dsun.io.useCanonCaches=false -XX:MaxPermSize=512m -XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=90 -XX:+UseParallelGC -Dcoldfusion.rootDir={application.home}/ -verbose:gc -Xloggc:c:/Jrun4/logs/gc/gcInstance1b.log We have determined that we do need more than the default 512MB simply by monitoring with FusionReactor, on average our amount of memory consumed is hovering in the mid 300MB and can go up to low 700MB under heavy load. Most of the crash will be logged in jrun4/bin/hs_err_pid*.log always an "Out of swap space" I've attached links to the hs_err and garbage collector log file from yesterday at the bottom of the post. The relevant part is (I think) this: Heap PSYoungGen total 89856K, used 19025K [0x55490000, 0x5b6f0000, 0x5b810000) eden space 79232K, 16% used [0x55490000,0x561a64c0,0x5a1f0000) from space 10624K, 52% used [0x5ac90000,0x5b20e2f8,0x5b6f0000) to space 10752K, 0% used [0x5a1f0000,0x5a1f0000,0x5ac70000) PSOldGen total 460416K, used 308422K [0x23810000, 0x3f9b0000, 0x55490000) object space 460416K, 66% used [0x23810000,0x36541bb8,0x3f9b0000) PSPermGen total 107520K, used 106079K [0x03810000, 0x0a110000, 0x23810000) object space 107520K, 98% used [0x03810000,0x09fa7e40,0x0a110000) From it, I gather that its the PSPermGen that is full (most logs will show the same before a crash), which is why we increased MaxPermSize but the total still show as 107520K!??! No one here is a jRun expert, so any help or even ideas on what to try next would be greatly appreciated!! The log files: Sorry I know sendspace isn't the friendliest of places - if you have other host suggestion for log files let me know and I'll update the post (SO doesn't like them inline, it blows up the format of the post). The hs_err log file: http://www.sendspace.com/file/fgak8l The gc log: http://www.sendspace.com/file/w0r2ct

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