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  • java double[][] - display as image

    - by joe_shmoe
    Hi all, just wondering if there is a simple way in java to display the contents of say 16x16 array of doubles [0..1] as a greyscale image (ala matlab)? using an unfamiliar matrix library, so I'd like to check that I'm on the right track. don't really care if it is slow or ugly, or if it requires external library - it's just there for a quick look, so as long as it works, I'm fine.

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  • Does a transaction stop all race condition problems in MySQL?

    - by nickf
    Consider this situation: Begin transaction Insert 20 records into a table with an auto_increment key Get the first insert id (let's say it's 153) Update all records in that table where id >= 153 Commit Is step 4 safe? That is, if another request comes in almost precisely at the same time, and inserts another 20 records after step 2 above, but before step 4, will there be a race condition?

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  • GCC ABI compatibility

    - by Fredrik Ullner
    As far as I've understood, it is not possible to link libraries that use different versions of GCC's Application Binary Interface (ABI). Are there ABI changes to every version of GCC? Is it possible to link a library built with 4.3.1 if I use, say, GCC 4.3.2? Is there a matrix of some sort that lists all the ways I can combine GCC versions?

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  • basic delay on jqyery .click function

    - by kalpaitch
    I have the most basic jquery function of them all, but I couldn't find a way in the documentation to trigger the contents of this click function after say 1500 milliseconds: $('.masonryRecall').click(function(){ $('#mainContent').masonry(); });

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  • Find date difference in php?

    - by Karthik
    Is there anyway to find the date difference in php? I have the input of from date 2003-10-17 and todate 2004-03-24. I need the results how many days is there within these two days. Say if 224 days, i need the output in days only. I find the solution through mysql but i need in php. Anyone help me, Thanks in advance.

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  • Big O, how do you calculate/approximate it?

    - by Sven
    Most people with a degree in CS will certainly know what Big O stands for. It helps us to measure how (in)efficient an algorithm really is and if you know in what category the problem you are trying to solve lays in you can figure out if it is still possible to squeeze out that little extra performance.* But I'm curious, how do you calculate or approximate the complexity of your algorithms? *: but as they say, don't overdo it, premature optimization is the root of all evil, and optimization without a justified cause should deserve that name as well.

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  • Why use ASP.NET MVC 2 for REST services? Why not WCF?

    - by Jeremy McGee
    So I see that MVC 2 now supports [HttpPut] and [HttpDelete] as well as [HttpGet] and [HttpPost], making it possible to do a full RESTful Web service using it. I've been using the REST toolkit for WCF for a while and find it fairly powerful, but I'd be interested to find out what (if any) advantages there are using the MVC 2 approach. Links, war stories, or even pure hear-say are welcome.

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  • How do you create a dropdownlist from an enum in ASP.NET MVC?

    - by Kevin Pang
    I'm trying to use the Html.DropDownList extension method but can't figure out how to use it with an enumeration. Let's say I have an enumeration like this: public enum ItemTypes { Movie = 1, Game = 2, Book = 3 } How do I go about creating a dropdown with these values using the Html.DropDownList extension method? Or is my best bet to simply create a for loop and create the html elements manually?

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  • how to make Sliding window model for data stream mining?

    - by zeedotcom
    we have a situation that a stream (data from sensor or click stream data at server) is coming with sliding window algorithm we have to store the last (say) 500 samples of data in memory. These samples are then used to create histograms, aggregations & capture information about anomalies in the input data stream. please tell me how to make such sliding window.

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  • conflict between views and pathauto

    - by barraponto
    if i create a path alias to a node, say 'press' and i have a view page display on path 'press/archives', why does 'press/archive' leads my users to 'press'? see related http://stackoverflow.com/questions/2913736/fundamental-understanding-of-how-views-and-pathauto-work-together

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  • Jquery dialog to open another page

    - by Hulk
    There is a page as transaction.html How to open this page in a popup in another page say show_transactions.html in a jquery dialog $dialog.html() //open transaction.html in this dialog .dialog({ autoOpen: true, position: 'center' , title: 'EDIT', draggable: false, width : 300, height : 40, resizable : false, modal : true, }); alert('here'); $dialog.dialog('open'); This code is present in show_transactions.html Thanks..

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  • Time/resource allocation on a Stylish vs. Functional user interface

    - by jasonk
    When developing applications how much focus/time do you place on an application’s style vs. functionality. Battleship gray apps drive me insane. On the other hand maximizing a business application’s "style" can tax time and financial resources. Applications need to be appealing to resell or meet basic customer expectations, but defining a healthy medium can be difficult. What would you say are reasonable "standards" for allocating develop time/resources should be dedicated to stylizing a business application?

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  • Format fixed-format text file lines

    - by EugeneP
    there's a text file first second third 1 2 3 yes no ok hmmmmmmm yep_a_long_word_it_is ahahahahahahha what java functions /libs to use to align words so that they are looked like this (fixed width based on the longest column's length), let's say center align: first second third 1 2 3 yes no ok hmmmmmmm yep_a_long_word_it_is ahahahahahahha

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  • From SEO point of view, is it better to use Domain-Dash.com or Domainwithoutdash.com?

    - by Msc. Adrian Lopez
    I have been reading forums and so, but found not a clear answer or nor conclusive, about the strategic decission of using domain-with-dash.com or notusingdashes.com Is there a problem or disadvantage in ranking for those key words? Is it better having the-domain-with-dash.com than shortdomain.net? many cases you dont have the dot.com available for that specific key word. what are your opinions, please prove facts, or add links to the source. What Google has to say?

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  • Accessing JSon raw tokens in C# ?

    - by user318332
    My json string looks like { abc: 123, def: 442, ghi=444 } - say stock list. I dont know what quotes are coming in , i.e I dont know what is abc, def etc is. I need to get this token dynamically. Any pointers would be of great help ! BTW, this has to run in silverlight.

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  • In terms of loss of volume or corruption, is failure probability of an Amazon EBS volume 'x', indepe

    - by Tony Morgan
    In terms of loss of volume or corruption, is failure probability of an Amazon EBS* volume 'x', independent of the failure of another volume 'y'. Amazon states[1] AFR** of between 0.1%-0.5%, lets say 0.5%, 0.005. To restate the question is the AFR composed of two EBSs mirrored actually 0.005*0.005 = 0.000025? To be clear I'm not interested in high availability here, just very high durability. *EBS = elastic block storage (amazons persistant disks) **AFR = annual failure rate. [1] http://aws.amazon.com/ebs/

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  • High-Quality Text-To-Speech engine for personal use

    - by phihag
    I'm looking for a high-quality TTS engine that I can afford (let's say less than 1000$). So far, I've tried flite and festival. However, while the results are certainly understandable, technical texts are hard to follow. Commercial TTS solutions from Loquendo and Readspeaker sound way better. However, these companies don't seem to be willing to sell their product to mere mortals - I can't find a price on either's homepage. So, what are good TTS solutions for personal use?

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  • How to share a process?

    - by rudi
    How can I snuggle into another process? Like, share another process's name? So if my application is griddemo.exe, and I want to snug into, let's say, explorer.exe, is that possible? Just read something about CreateRemoteThread() from kernel32. Is that in the right direction? Would there be security/UAC issues?

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