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• Choosing Merge Direction

  - by tbreffni

  Consider a simple source-control layout, with a trunk representing a future release in development and a single branch representing a release currently in production. When a bug is discovered that needs fixed in both branches, should the change be made first to the trunk then merged down to the branch, or made first to the branch then merged up to the trunk? Typically I've made the fix first in the trunk then merged downwards, however there is an increased risk this way that future new features get merged down accidentally. What has worked best in your experience?

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• 3 hash functions to best hash sliding window strings for a bloom filter with minimum collisions

  - by Duaa

  Hi all: I need 3 hash functions to hash strings of a sliding window moving over a text, to be used later to search within a bloom vector. I'm using C# in my programming I read something about rolling hash functions and cyclic polynomials, they are used for sliding window applications. But really, I did not find any codes, they are just descriptions So please, if anyone have any idea about 3 best C# hash functions to use with sliding window strings of fixed size (5-char), that consume less time and have minimum number of collisions, either they are rolling hash functions or others, please help me with some C# codes or links to hash functions names Duaa

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• PHP, include with parameters

  - by chris

  hi! I have a PHP-file which will be called from a form. So it gets parameters over $_GET. Now I need the exact same functionality of this file, but not in such a form-call. I will include it in normal code with fixed parameters (which normally come from the form). So my file can work with the form AND without it. I know only the way with include and setting the $_GET in front of it. But I am not sure this is the most elegant way (I dont like the idea of setting things like $_GET). any other ways of doing this? br, chris

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• How to not check in Eclipse specific project files?

  - by futlib

  I don't want to force people into using a specific IDE for development, so our projects look basically like this: SomeProject src lib build.xml No IDE specific files whatsoever. However, many people prefer Eclipse and it is their valid complain that it is annoyingly difficult to set up an Eclipse project from an Ant build file if that project is checked into a VCS. That's a very old bug, so I don't really expect it to be fixed soon. I don't want all those weird Eclipse project files in the project root, but if it was the only way, I would accept having the eclipse project files in a subdirectory "eclipse". I thought Eclipse's linked resources were capable of just that, but I was wrong, it doesn't really work. How do you solve this problem? Are you checking in the .settings directory. etc. into your project's root?

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• C++ a class with an array of structs, without knowing how large an array I need

  - by Dominic Bou-Samra

  New to C++, and for that matter OO programming. I have a class with fields like firstname, age, school etc. I need to be able to store other information like for instance, where they have travelled, and what year it was in. I cannot declare another class specifically to hold travelDestination and what year, so I think a struct might be best. This is just an example: struct travel { string travelDest; string year; }; The issue is people are likely to have travelled different amounts. I was thinking of just having an array of travel structs to hold the data. But how do I create a fixed sized array to hold them, without knowing how big I need it to be? Perhaps I am going about this the completely wrong way, so any suggestions as to a better way would be appreciated.

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• Does flex not support hashmaps?

  - by Dr.Dredel

  I have a Flex object which collects a DTO from the server. All the fields arrive filled in correctly except for the one that is a HashMap. It arrives as null. I've tried giving it a type of both ArrayCollection and Dictionary, but that hasn't fixed it. Does anyone know if there's an inherent incomaptability between Java HashMap and Flex? If not, what might I be doing wrong here? I'm looking at my jboss console and I see the data being populated correctly in the server side before delivery to the client. However, as it gets to the client, that field is null. I'm ready to kill myself.

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• Good way to format decimal in SQL Server

  - by Brad

  We store a decimal(9,8) in our database. It can have any number of places after the decimal point (well, no more than 8). I am frustrated because I want to display it as human-readable text as part of a larger string created on the server. I want as many decimals to the right of the decimal point as are non-zero, for example: 0.05 0.12345 3.14159265 Are all good If I do CAST(d AS varchar(50)) I get formatting like: 0.05000000 0.12345000 3.14159265 I get similar output if I cast/convert to a float or other type before casting to a varchar. I know how to do a fixed number of decimal places, such as: 0.050 0.123 3.142 But that is not what I want. Yes, I know I can do this through complicated string manipulation (REPLACE, etc), there should be a good way to do it.

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• What Windows editor has CORRECT EOL whitespace handling?

  - by blueshift

  I'm looking for a Windows text editor for programming that handles EOL whitespace CORRECTLY, which for my idea of correct means: Strip all EOL whitespace on save, EXCEPT on lines that I haven't edited. This is to minimise the amount of EOL whitespace evil in my world, but not pollute SCM diff/blame with whitespace-only fixes (I have to deal with old / other people's code). I have played with TextPad, Notepad++, Kodomo Edit and Programmer's Notepad 2, and found all of them lacking. Also: I don't get along with vi, and I am unsure about Emacs on Windows. @Matti Virkkunen: I could mess with diff, but I want to fix the problem, not the symptoms. Fixing diff means all my, others, and server side diff tools need to be fixed, and doesn't fix space/noise/hash change issues in SCM. Example pet hate using that system: "update" tells me a file has changed. Diff shows no changes.

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• How do I shift items in an array in C#?

  - by Andy Evans

  Let's say that I have an array of strings like this: 1, 2, 3, 4, 5, 6, 7, 8 and I want to shift the elements of the array such that The first element always remains fixed Only the remaining elements get shifted like so ... The last element in the array becomes the 2nd element and is shifted through the array with each pass. Pass #1: 1, 2, 3, 4, 5, 6, 7, 8 Pass #2: 1, 8, 2, 3, 4, 5, 6, 7 Pass #3: 1, 7, 8, 2, 3, 4, 5, 6 Pass #4: 1, 6, 7, 8, 2, 3, 4, 5 Any assistance would be greatly appreciated.

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• How to remove maximize button in Mac OS X tool window in Qt

  - by Andy Brice

  I have a floating tool window. It works fine on Windows, but I can't get rid of the maximise button on Mac OS X. I have tried unsetting Qt::WindowMaximizeButtonHint and setting the window to fixed size. Nothing seems to work. MyWidget::MyWidget( QWidget* parent ) :QWidget( parent, Qt::Tool | Qt::CustomizeWindowHint ) { setupUi( this ); setFixedSize( sizeHint() ); // doesn't remove maximise button setWindowFlags( windowFlags() & ~Qt::WindowMaximizeButtonHint ); // doesn't remove maximise button } I don't want to use a frameless window. Any ideas? I am using Qt 4.4.

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• How should I compensate for a bad WSDL?

  - by Brabster

  I've come across several examples of SOAP-based web services where automated tooling fails to build a client that works. Investigating these examples leads me to believe that the WSDL the service uses to describe itself doesn't quite match the service that's being provided. Maybe a wrong type somewhere, a different data structure - something. I'm unsure what the most appropriate response is - if we assume that the obvious one (get the provider to fix their stuff) isn't available. Some options I can think of: Make a fixed WSDL? Hack the generated code? Any other options? No good options? What good experiences have people had? What works in a real environment? Thanks

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• CSS div positioning assistance

  - by bikey77

  I need some help with the positioning of divs that appear on each #box's hover event. The hidden divs should appear over the box that was hovered in a way that: Each #tooltip div covers the box that was hovered plus the box next to it The tooltips of boxes 1 & 2 should cover the boxes to the right #tooltips for box 3 & 4 should cover the boxes to their left (to make it more understandable, please see the attached image There will be several rows of boxes so positioning should be relative and not fixed to the page dimensions (i suppose) So far I haven't managed to get the #tooltip positionings right (I know that one should be absolute and the other relative but no matter my efforts, I haven't nailed it yet). Here's a jsfiddle to work on and this is the result i'm after:

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• How to make the height of two side-by-side elements extend to the remaining browser height?

  - by LedZeppelin

  In this example, http://jsfiddle.net/mnXH9/, the height of the content-display element and the height of the nav-menu-container are fixed. How do I make the height of the content-display and nav-menu-container elements extend to the remaining height of the browser window as the browser height is being adjusted by a user provided the height in the browser window is greater than 400px (The height of the header plus the nav-menu-container)? I would like for the scrollbar to be inside the nav-menu-content element if the total height in the browser is greater than the sum of the height of the header (100px) and the nav-menu-container element (300px). If the browser window's height is less than 400px then a scrollbar would appear in the browser window to allow scrolling throughout the 100px header and the 300px min-height of the below elements. EDIT Attached are photoshopped mockups of what the jsfiddle should look like. tab 1 when the browser height is less than 400px tab 1 when the browser height is greater than 400px tab 2 when the browser height is less than 400px tab 2 when the browser height is greater than 400px

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• Using a nested group by statement or sub query to filter this result sets

  - by vivid-colours

  This question is a continuation of Changing this query to group rows and filter out all rows apart from the one with smallest value but with an extra bit at the end.... I have the following results set: 275 72.87368055555555555555555555555555555556 foo 70 275 72.87390046296296296296296296296296296296 foo 90 113 77.06431712962962962962962962962962962963 foo 80 113 77.07185185185185185185185185185185185185 foo 60 that I got from this query: SELECT id, (tbl2.date_modified - tbl1.date_submitted)/86400, some_value FROM tbl1, tbl2, tbl3 WHERE tbl1.id = tbl2.fid AND tbl1.id = tbl3.fid Notice there are 4 rows with 2 ids. I wanted to filter the rows to get only the minimum number in the second column. This fixed it: SELECT id, min((tbl2.date_modified - tbl1.date_submitted)/86400), max(some_value) FROM tbl1, tbl2, tbl3 WHERE tbl1.id = tbl2.fid AND tbl1.id = tbl3.fid GROUP BY tbl1.id so I got: 275 72.87368055555555555555555555555555555556 foo 70 113 77.06431712962962962962962962962962962963 foo 80 How can I change it to do the same but not include rows where the are other rows with some_value=90 ? I.e. 113 77.06431712962962962962962962962962962963 foo 80 I think I need some nested group or nested query ?! Many thanks :).

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• Fluid Columns with matching height and background image

  - by JamesArmes

  I'm working on a new layout for my site that uses a header, footer and two column center region. The two columns consist of the main content area which is fluid height and width and a right sidebar which is fluid height and fixed width. I have done similar layouts before, but this one depends on using two different background images (one for the sidebar and one for the content area). Is there any way to implement this, using proper HTML & CSS, so that the background images of the two columns are always the same height, regardless of which columns content is longer? I've tried using JavaScript to simulate this, but it doesn't work so well if there are images in the content area. I would really prefer not to use this method any way. Any help is greatly appreciated. I have setup a staging environment at http://staging.jamesarmes.net/jimmyssandbox to provide an example. This environment is not my finished product, but I want to get the containers under control before I move any further

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• iPhone app quits on launch

  - by Brammie

  I created an app using the 3.1.2 toolchain on linux.. it compiles and links normally, and in the makefile i upload my app (something) like this: @scp ./blabla [email protected]/Applications/Helloworld.app/ @ssh [email protected] "cd /Applications/Helloworld.app; ldid -S Helloworld_; killall; springBoard" when i launch my app it immediatly quits. according to google ldid failed, so i tried to do it manually. ldid did give an error, but after rebooting the error was fixed. The app still doesn't launch. the weird part of my problem is that an example i had DID work, but doesn't work anymore now. (p.s. i built the toolchain by following this guide)

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• How to create column width in CSS that expands with large images yet stays a default size for normal

  - by ChrisJF

  I am creating an HTML5 web page with a one column layout. Basically, it is a forum thread with individual posts. I have specified in my CSS file the column to be 600px wide and centered it in the window using margin: 0 auto;. However, some images that are in the individual posts are larger than 600px and spill out of the column. I'd like to widen an individual post to fit the larger images. However, I want all the other posts to still be 600px wide. Right now, I'm just using overflow:auto which will create a scroll bar, but this is less than ideal. Is this possible to have the an individual post width grow for larger content yet stay fixed for normal content? Is this possible using just pure CSS? Thanks in advance!

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• Prevent Django from redirecting to add trailing slash

  - by konrad

  UPDATED: Sorry, it looks like it's Apache that's rewriting it for some reason, not Django. I'll investigate further and post my findings. I need to add a /xmlrpc.php to my Byteflow installation to handle an application that is written for PHP blog engines and uses this hardcoded path. For some reason Byteflow appends a slash to this URL using a 301 Moved Permanently redirect, which breaks the application. It does not do so for the /robots.txt that is configured in a similar way. Relevant lines from the project urls.py: url(r'^xmlrpc.php$', 'django_xmlrpc.views.xmlrpc_handler'), url(r'^robots.txt$', include('robots.urls')), I read that the behavior was changed in the Django codebase in commit 6852 (in 2007) to prevent redirects being done for urls that have been explicitly configured not to contain any trailing slashes. I'm using Django 1.1. I assume that once I have fixed this problem, I should be able to use this application with Byteflow, because the application uses the MetaWeblog XML-RPC API. Any clue?

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• create program in c for permutation combination and showing frequency

  - by Vishal Oswal

  I have 2 strings where I have saved fixed 20 characters and these are “A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T” and same 20 char in string 2. so I will get 400 combinations of 2 character sets like AA,AB,AC,AD,AE,AF,……………AT BA,BB,BC,BD,BE,BF,…………..BT CA,CB,CC,CD,CE,CF……………CT This way we will get 400 combinations (Which program I have created successfully) but then user will put the value till 31 characters witch will be treated as 3rd string for E.g. “ABCDDAAAB” now I have to check the frequency of user input in the sequence of 12,23,34,45,56,67,78,89 (2 CHAR SET) means AB,BC,CD,DD,DA,AA,AA,AB and need to show the frequency of user input OUTPUT: AB=2 BC=1 CD=1 DD=1 DA=1 AA=2 please its urgent

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• vs10 intellisense for jQuery

  - by justSteve

  I'm not able to get intellisense to work with javascript/jquery code in vs10. Not even getting highlighted opening/closing bracket and parens, much less autocomplete. In VS08 we had to install a patch to get intellisense for jquery. VS10 doesn't need that patch to support -vsdoc files. There was a bug in 08's intellisense that, if any of a project's included .js files had an error, we'd lose intellisense for javascript. That was supposed to be fixed in vs10. What the current set of troubleshooting steps to enable intellisense for VS10? thx

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• clickable div with img in it?

  - by acidzombie24

  I have a div i would like to make clickable. I know i need to make the div (and?) the link have a fixed width and height + display: block. I have an imagine inside of the div. It seems like the 'clickable' div is actually a large transparent link and this click does not play well with images as it doesnt share space. I need to right click the image and hit save as. So how do i make the div clickable. I tried setting the img width and height but it made the img stretch.

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• Programming with midi, and tuning notes to specific frequencies

  - by froggie0106

  I am working on a project in which I need to be able to generate midi notes of varying frequencies with as much accuracy as possible. I originally tried to write my program in Java, but it turns out that the sound.midi package does not support changing the tunings of notes unless the frequencies are Equal Tempered frequencies (or at least it didn't in 1.4, and I haven't been able to find evidence that this has been fixed in recent versions). I have been trying to find a more appropriate language/library to accomplish this task, but since this is my first time programming with MIDI and my need for specific tuning functionality is essential, I have been having considerable trouble finding exactly what I need. I am looking for advice from people who have experience writing MIDI programs as to what languages are useful, especially for tuning notes to specific frequencies. Any links to websites with API docs and example code would also be extremely helpful.

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• How do you move html from one div to another with Jquery without breaking javascript

  - by KallDrexx

  I have two divs for different sections of my webpage, a working and a reference section. One is fixed size, the other is variable sized and they are vertically stacked. I am trying to design it so that if you want to work on something in the reference pane, you click a link and it swaps all the data between the two panes. My idea was to do the following: var working = $("#working_pane").html(); var ref = $("#reference_pane").html(); $("#working_pane").html(ref); $("#reference_pane").html(working); The problem with this, is it seems that any javascript referenced inside of these panes (for example, in place editors) get broken upon switching. No javascript errors occur, it's just that nothing happens, like the javascript ties are broken. Is there any to move the html without breaking the javascript contained?

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• UrlRewriter.Net with URL with final dot

  - by devio

  I want to use UrlRewriter.Net as described in this blog by ScottGu. In the example below, page.aspx should display a page text stored in the database based on the title= URL parameter. After a couple of tweaks the only remaining issue seems to be that a final dot in the URL causes a 404 a sequence of two dots in the URL causes a 400 Windows 7, IIS 7 with Integrated AppPool, VS2008. Looking at the Failed Request Log, it seems that the UrlRewriter module is called after retrieving the request handler. Can these two issues be fixed, or is there a better replacement for UrlRewriter? (A related question only asks about the 404) Edit: This behavior can even be reproduced on SO, so maybe there is no work-around?

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• ASP.NET MVC - separating large app

  - by marc_s

  I've been puzzled by what I consider a contradiction in terms: ASP.NET MVC claims to be furthering and supporting the "separation of concern" motto, which I find a great idea. However, it seems there's no way of separating out controllers, model or views into their own assembly, or separating areas into assemblies. With the fixed Controller, Model and View folders in your ASP.NET MVC, you're actually creating a huge hodge podge of things. Is that the separation of concerns, really?? Seems like quite the contrary to me. So what I'm wondering: how can I create an ASP.NET MVC solution that will either separate out controllers, the model, and the folders full of views, into separate assemblies? how can I put areas of ASP.NET MVC 2 into separate assemblies? or how else do you manage a large ASP.NET MVC app - which has several dozen or even over a hundred controllers, lots of model and viewmodel classes, and several hundred views?

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