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  • DDD with Grails

    - by Paul
    I cannot find any info about doing Domain Driven Design (DDD) with Grails. I'm looking for any best practices, experience notes or even open source projects that are good examples of DDD with Grails.

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  • How to calculate Least Signficant Byte in Ruby

    - by Seth Archer
    I'm sending a byte array to a piece of hardware. The first 7 bytes contain data and the 8th byte is a checksum. The 8th byte is the Least Significant Byte of the sum of the first 7 bytes. Examples that include the correct checksum. The last byte of each of these is the checksum 200-30-7-5-1-2-0-245 42-0-0-1-176-0-148-39 42-0-0-3-177-0-201-118 How do I calculate the checksum? Thanks, Seth

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  • Sharepoint and its template/master pages

    - by jhuang
    I'm trying to learn how to customize a sharepoint site. I've seen a lot of examples and they all seem to have one thing in common, the navigation are all the same. Ie the left nav with the different pages and docs. top nav with mostly links to sub-sites or other sites. Does anyone know of a good tutorial or example i can grab that has a horizontal layout of the left nav? i haven't found any.

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  • How to get the second word from a String?

    - by Pentium10
    Take these examples Smith John Smith-Crane John Smith-Crane John-Henry Smith-Crane John Henry I would like to get the John The first word after the space, but it might not be until the end, it can be until a non alpha character. How would this be in Java 1.5?

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  • HAProxy + NodeJS gets stuck on TCP Retransmission

    - by sled
    I have a HAProxy + NodeJS + Rails Setup, I use the NodeJS Server for file upload purposes. The problem I'm facing is that if I'm uploading through haproxy to nodejs and a "TCP (Fast) Retransmission" occurs because of a lost packet the TX rate on the client drops to zero for about 5-10 secs and gets flooded with TCP Retransmissions. This does not occur if I upload to NodeJS directly (TCP Retransmission happens too but it doesn't get stuck with dozens of retransmission attempts). My test setup is a simple HTML4 FORM (method POST) with a single file input field. The NodeJS Server only reads the incoming data and does nothing else. I've tested this on multiple machines, networks, browsers, always the same issue. Here's a TCP Traffic Dump from the client while uploading a file: ..... TCP 1506 [TCP segment of a reassembled PDU] >> everything is uploading fine until: TCP 1506 [TCP Fast Retransmission] [TCP segment of a reassembled PDU] TCP 66 [TCP Dup ACK 7392#1] 63265 > http [ACK] Seq=4844161 Ack=1 Win=524280 Len=0 TSval=657047088 TSecr=79373730 TCP 1506 [TCP Retransmission] [TCP segment of a reassembled PDU] >> the last message is repeated about 50 times for >>5-10 secs<< (TX drops to 0 on client, RX drops to 0 on server) TCP 1506 [TCP segment of a reassembled PDU] >> upload continues until the next TCP Fast Retransmission and the same thing happens again The haproxy.conf (haproxy v1.4.18 stable) is the following: global log 127.0.0.1 local1 debug maxconn 4096 # Total Max Connections. This is dependent on ulimit nbproc 2 defaults log global mode http option httplog option tcplog frontend http-in bind *:80 timeout client 6000 acl is_websocket path_beg /node/ use_backend node_backend if is_websocket default_backend app_backend # Rails Server (via nginx+passenger) backend app_backend option httpclose option forwardfor timeout server 30000 timeout connect 4000 server app1 127.0.0.1:3000 # node.js backend node_backend reqrep ^([^\ ]*)\ /node/(.*) \1\ /\2 option httpclose option forwardfor timeout queue 5000 timeout server 6000 timeout connect 5000 server node1 127.0.0.1:3200 weight 1 maxconn 4096 Thanks for reading! :) Simon

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  • Capturing IR Data using VB.NET

    - by E-Q
    Just found an old IR reciever (Microsoft eHome Infared Transceiver) and i'm trying to write an application that can use data it captures... Any examples or jumping off points for this are appreciated. Thanks!

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  • Keystone correction in vlc.

    - by Kurru
    Hi How can I set up keystone correction in VLC? If this is not a supported feature, has anyone had any experience writing an add-on filter for VLC? If so, links/examples would be very appreciated! Thank you

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  • Real world Prolog usage

    - by Hank
    Many study Prolog in college, but I have personally not come in contact with it professionally. The traditional examples given are AI and expert system applications, but what have you used it for and what made Prolog a suitable language for the task?

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  • Free Web UI design software

    - by Pich
    Does anybody know of any free Web UI design software? EDIT: I am looking for a UI mockup tool (that is freeware) to create stuff like this: http://blogs.atlassian.com/jira/Mockups%20UI.jpg I works a developer with the task to design the UI of an application. I want to draw some examples of how the webpages can look and show it to the requirements team.

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  • codeigniter with flexgrid

    - by Suj
    I have just downloaded the flexigrid and examples and tried to execute. In the example, there is a function getCountries, which populates the grid with countries from the database… I tried this and it seems the flexigrid just keeps processing (it says processing and turns and turns)... Am i doing anything wrong. ThanX

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  • ExtJS: Adding table inside a dynamically added tab

    - by esskar
    Hi, i'm fairly new to ExtJS. I adopted some examples and added the functionality to add tabs to a tab-control by clicking on some link. so far so good. now i want to load a ExtJS table into on of the new tabs. the items (rows, columns) are defined in a database on the server side. can you give me some hints how to add the table automatically when the tab is created?

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  • floating point hex octal binary

    - by workinprogress
    Hi, I am working on a calculator that allows you to perform calculations past the decimal point in octal, hexadecimal, binary, and of course decimal. I am having trouble though finding a way to convert floating point decimal numbers to floating point hexadecimal, octal, binary and vice versa. The plan is to do all the math in decimal and then convert the result into the appropriate number system. Any help, ideas or examples would be appreciated. Thanks!

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  • jQuery MultiFile - how to clear / reset ?

    - by eidylon
    Hi all, I'm using the jQuery multi-file upload plugin found here: http://www.fyneworks.com/jquery/multiple-file-upload/ I don't see in any of the examples though a way to "reset" the file-picker, clearing out any currently selected items. Any one know how to do this? Thanks!

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  • How to install Emgu CV wrapper?

    - by Eduardo
    Hi mates! I found a simillar question but the answer didn´t help me! SO I´m trying to install Emgu CV wrapper. I´m following the steps presentes on the website. Unfortunatelly I´m not able to build the examples...It gives me build failed... Maybe I´m missing something . I´m using visual studio 2088 and windows xp. Anybody could help me? Rgds

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  • Filter on exception text in elmah

    - by Uwe
    Is there a way to filter exceptions in elma using the exception message? Examples: "System.Web.HttpException: Request timed out." I don't want to filter out all HttpException, but only the timed-out requests. "System.Web.HttpException: Maximum request length exceeded." What I don't want to do is write own code for that. So is it possible to do this with the buildin-web.config configuration? Thank you!

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  • Microsoft.Office.Interop.Word documentation

    - by rold2007
    I need to use the Microsoft.Office.Interop.Word namespace to extract if a Word document contains macros, and which ones. The MSDN documentation for this namespace doesn't give much information compared to the documentation on other .Net classes. Where can I get more informations about this namespaces (examples, complete documentation, etc.). I already searched on Google and SO but didn't much information.

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  • Python3: ssl cert information

    - by MadSc13ntist
    I have been trying to get information regarding expired ssl certificates using python 3 but it would be nice to be able to get as verbose a workup as possible. any takers? So far i have been trying to use urllib.request to get this info (to no avail), does this strike anyone as foolish? I have seen some examples of similar work using older versions of python, but nothing using v3. http://objectmix.com/python/737581-re-urllib-getting-ssl-certificate-info.html http://www.mail-archive.com/[email protected]/msg208150.html

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