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• Comparing floats in their bit representations

  - by sczizzo

  Say I want a function that takes two floats (x and y), and I want to compare them using not their float representation but rather their bitwise representation as a 32-bit unsigned int. That is, a number like -495.5 has bit representation 0b11000011111001011100000000000000 or 0xC3E5C000 as a float, and I have an unsigned int with the same bit representation (corresponding to a decimal value 3286614016, which I don't care about). Is there any easy way for me to perform an operation like <= on these floats using only the information contained in their respective unsigned int counterparts?

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• Wpf popups or modal windows as user entry screens?

  - by Shatterling

  I am building an application which has multiple user entry screens. I would like to know if there are advantages/disadvantages of using wpf popups rather than modal windows? I am using mvvm-light. I have noticed that popups are being used extensively in touch applications (eg iPad).

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• Django Form field initial value on failed validation

  - by John

  Hi, how do I set the value of a field element after a form has been submitted but has failed validation? e.g. if form.is_valid(): form.save() else: form.data['my_field'] = 'some different data' I don't really want to put it in the view though and would rather have it as part of the form class. Thanks

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• Integration tests - "no exceptions are thrown" approach. Does it make sense?

  - by Andrew Florko

  Sometimes integration tests are rather complex to write or developers have no enough time to check output - does it make sense to write tests that make sure "no exceptions are thrown" only? Such tests provide some input parameters set(s) and doesn't check the result, but only make sure code not failed with exception? May be such tests are not very useful but appropriate in situations when you have no time?

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• Visual Studio 2010 .NET framework 3.5 unavailable

  - by Haxed

  Hey people, I have installed VS 2010 Professional, and despite my tremendous urge to work on it since it is pleasing to the eye, it seems not to support .NET framework 3.5/3.0. Therefore, I have switched to VS 2008 rather relunctantly. Does anyone know, to add .NET framework 3.0/3.5 to the top right Combo Box within the make new project ? (Note : In the top right Combo Box within the make new project, I have only .NET framework 4.0 available) Many Thanks..............................

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• Eclipse: Should I create a workspace for each project ?

  - by Zombies

  I am simply wondering whether it is best to put all of my Eclipse projects into one workspace, or do a 1 workspace per 1 project. I am just a solo developer, for hobby more or less, but the apps I create do actually have production versions that are running on rather frequent cron jobs, so its almost like an amateur production environment. The only problems I have noticed so far is for exporting JARs, I have the potential to include source files from other projects which seems like it could get messy (maybe?).

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• Keep background image fixed during scroll using css

  - by Jean

  Hello, This is going to be rather silly of me asking, but how do I keep the background image fixed during a page scroll. I have this css code, and the image is a background of the body and not ** body{ background-position:center; background-image:url(../images/images5.jpg); } Thanks Jean

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• Best solution for a windows service with constant running threads in C# 4.0

  - by dagda1

  Hi, I want to create a windows service that will create x number of threads that wake up every x number of minutes and do some work. I think the task scheduling or parallel framework is a bad fit for this type of work as it is best suited for work that starts, completes and finishes rather than is constant. Should I look at utilising a thread pool for this approach or does anyone have any advice for a good solution? Thanks Paul

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• Jquery's a FREE grid display

  - by mmcgrail

  I have been using Flesigrid for my CMS and I like it except there are some things I think it could do better like get the column headers from the ajax results rather then in the setup of the flexigrid or having the ability to change the buttons on reload things of that nature. I've been considering a mod of the plugin though I'm not sure i really want to do that. But the question is ... is there something that might be better that I somehow missed when I was looking for grid display ?

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• javascript innerhtml issue

  - by WPS

  Hi, I'm trying to get the innerHTML value of a node. The value is D&O. When I try to get this value using innerHTML I'm getting D&amp;O. Is there any option to get the exact value rather than encoded value using Javascript? Please help me.

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• class keyword in declaration

  - by abson

  I faced a rather simple question in an interview Why do we use class keyword for declaring classes? Could anyone just tell me as to how to answer it?

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• Copy files from search tab in eclipse 3.4

  - by Ravisha

  I just want to copy list of files displayed in eclipse search tab, When i try using right click copy and paste into some folder it does not work.It actually copies the file location rather than the file itself

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• SubSonic 3 LeftOuterJoin

  - by michaelpearce

  I have read in this forum that left outer join syntax is not supported by subsonic in an answer to a question on the topic by "Apocatastasis". I have the same issue in that when I create a query using the .LeftOuterJoin the resulting sql has an inner join rather than a left outer join. Can someone please confirm that LeftOuterJoin is indeed not supported and, if that is the case, why is it included in the active record syntax? Thanks Michael

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• window.location alternatives in JavaScript

  - by MartyIX

  What is a standardized alternative to window.location.href function? I was checking on w3schools.com that it is implemented in all major browsers so there's no problem but I'm rather curious how to do that properly. From here is the statement that the function is not standardized: https://developer.mozilla.org/en/DOM/window.location Thanks!

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• ASP.NET Dashboard / Widgets

  - by davemackey

  I'd like to build a dashboard interface for an application I am working on. I want users to logon and get a birds eye view of the status of applications, outstanding issues, etc. I'm wondering if there are some good, pre-made controls rather than writing these from the ground up?

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• MySQL: How can fetch SUM() of all fields in one Query?

  - by takpar

  Hi, I just want somthing like this: select SUM(*) from `mytable` group by `year` any suggestion? (I am using Zend Framework; if you have a suggestion using ZF rather than pure query would be great!) Update: I have a mass of columns in table and i do not want to write their name down one by one. No Idea??

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• Discarding several log levels within a range with log4net

  - by Harel Moshe

  Hey, Say i set my log4net logger's minLevel and maxLevel to FATAL and DEBUG respectively, but under some scenario i want to mute the log-items written in the WARN level, and keep all the other levels in the range active. Is it possible to somehow use 'discrete' levels of log-levels rather than specifying a range using minLevel and maxLevel? I assume this should be simple, but i haven't found any log4net docs or examples dealing with this issue. Regards, Harel

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• Wrapper class for HttpGet / Post in Java?

  - by Tim Green

  Hi, Sorry, I'm quite new to Java. I've stumbled across HttpGet and HttpPost which seem to be perfect for my needs, but a little long winded. I have written a rather bad wrapper class, but does anyone know of where to get a better one? Ideally, I'd be able to do String response = fetchContent("http://url/", postdata); where postdata is optional. Thanks!

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• Stateless singleton VS Static methods

  - by Sebastien Lorber

  Hey, Don't find any good answer to this simple question about helper/utils classes: Why would i create a singleton (stateless) rather than static methods? Why an object instance could be needed while the object has no state? Sometimes i really don't know what to use...

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• How to invert alternate bits of a number

  - by Cupidvogel

  The problem is how to invert alternate bits of a number, starting from the LSB. Currently what I am doing is first doing a count = -1 while n: n >>= 1 count += 1 to first find the position of the leftmost set bit, then running a loop to invert every alternate bit: i = 0 while i <= count: num ^= 1<<i i += 2 Is there a quick hack solution instead of this rather boring loop solution? Of course, the solution can't make any asumption about the size of the integer.

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• Is db4o object manager enterprise free? Where can I download it? Is it a standalone application?

  - by Benju

  As per the title I have three parts to this question... Is db4o object manager enterprise free? -I saw a blog post about it being free. Where can I download it? -the website is rather unclear Is it a standalone application? -I seem to remember it was an eclipse plugin but this was awhile ago. Is there an Intellij plugin?

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• How do I reference SSIS on a build machine without installing SQL Server 2008 Client Tools?

  - by freshr

  I need to build SSIS packages on a build machine, and do not want the overhead of installing SQL Server Management Studio on this machine. A SQL Server 2008 SDK would be ideal, but I could not find where to download it. The dlls I require are (for example): Microsoft.SQLServer.ManagedDTS Microsoft.SqlServer.PipelineHost Microsoft.SqlServer.DTSPipelineWrap Microsoft.SQLServer.DTSRuntimeWrap I could attempt to copy them to the build machine individually, but I would rather just use an SDK if possible. Where can I get the SDK, or alternatively, what suggestions are there?

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• What Distributed Source Control System have good integration with Visual Studio?

  - by gkdm

  It seems the both git and mercurial are rather Gnu orianted. Which of them is more suitable for use on windows?

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• Disable Spring URL resource loading in context file

  - by drewzilla

  I have the need to specify a URL in a Spring context file but don't want Spring to turn it into a resource, i.e. I want the URL to be passed as a String to the bean that I'm creating in the context file rather than it being converted into a Resource object. How can I avoid Spring creating a Resource? Thanks, Andrew

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• How to do more programming/technical stuff?

  - by Bell

  I working as an IT consultant and I am currently doing functional stuff like requirements gathering, documentations and writing test specs etc. I kind of sick of this kind of job scope and wish to do more programming/ design / technical stuff. Because I get more satisfaction doings the things rather than telling other to do Anyone in the same dilemma as me and any suggestions on how to get on with working life?

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