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  • problem in creating a trigger

    - by mohanish
    Hi Bill I am facing a problem in creating a trigger and i am not sure why this is erroring out.can you please help me. I have described the problem in this link below http://forums.mysql.com/read.php?99,365942,365942#msg-365942.

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  • sum up value from textfile - bash

    - by user3493435
    I am trying to sum up the values in a textfile try.txt firstNumber,1 secondNumber,2 I tried with this script #!/bin/bash while IFS, read -r -a array; do printf "%s %s\n" "${array[0]} ${array[1]}" for n in "${array[1]}"; do ((total += n)) echo "total =" $total done done < try.txt and I landed up with this output firstNumber 1 total = 1 secondNumber 2 total = 3 expected output firstNumber 1 secondNumber 2 total = 3 Thanks in advance

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  • TFS 2010 make change to local copy

    - by Prashant
    In TFS 2010 I have a project and I want to make only a local change to it and not check it in. I don't have edit privileges on the project. I tried removing the read only from the project but it will not work(will not allow me to edit). Is there an alternative ?

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  • Code Promotion with Git

    - by draxter
    Hi, I'm trying to figure how can I use git for multiple environments (dev-test-prod) with code promotion. I read a bit about branching but didn't understand much how can this solve my problem since I must have the ability to run all of the environments concurrently and separately from each other. Will be very thankful for some kind of how-to.

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  • saving an image object in sql server database from action method

    - by user3532152
    [HttpPost] public void Test(HttpPostedFileBase file) { UsersContext db = new UsersContext(); byte[] image = new byte[file.ContentLength]; file.InputStream.Read(image, 0, image.Length); CrimeReport i = new CrimeReport { ImageId=1, ImageName="Anjli",ImageContent = image, Active=true }; db.CrimeReports.Add(i); db.SaveChanges(); } I am getting an exception on db.CrimeReports.Add(i);

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  • Struts 2 + Reading values from the action

    - by Panther24
    I writing a Struts 2 application. The main operation I'm trying now is to read from the action call a List and display it in the form of a table in the JSP. I've searched the net and check out a lot of examples, but in vain. Can someone point out to a good working example?

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  • How's Comet implemented?

    - by user198729
    I wander how do client side get response if the connection of request is not finished yet? What's the principle? In fact I've read quite a few posts on this subject: http://stackoverflow.com/questions/333664/simple-long-polling-example-code http://stackoverflow.com/questions/932415/how-does-the-live-real-time-typing-work-in-google-wave But none of them solve my doubt

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  • Returning an error code in Erlang

    - by Zubair
    I'm writing some Erlang code and I'm very unsure whether I should let everything fail fast. One problem I find with fail fast is that for the developer/user the exception generated is pretty meaningless. Any idea what I should return which would not give esoteric and hard to read stack traces?

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  • What is the best nuclear missile crypto system?

    - by The Rook
    You are on a submarine and there is an encrypted message that you want to read. Two people must use their keys at the same time in order to obtain the plain text. What is best cryptographic primitive to use? Are the following two implementations suitable? plain_text=decrypt(Key1 XOR key2,ciper_text,IV) plain_text=decrypt(Key1,rc4_encrypt(key2,ciper_text,IV2),IV1)

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  • c# run process without freezing my App's GUI

    - by Data-Base
    Hello, I want to start a process (calling another program), currently the external program takes time (it is normal)! but it freezes my GUI I saw allot of examples and I'm learning, it is hard to figure it out, trying to read and learn threading, but it is not that easy (at least for me) and good simple tutorial or code sample? cheers

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  • See socket options on existing sockets created by other apps?

    - by nailer
    I'd like to test whether particular socket options have been set on an existing socket. Ie, pretty much everything you can see in: #!/usr/bin/env python '''See possible TCP socket options''' import socket sockettypelist = [x for x in dir(socket) if x.startswith('SO_')] sockettypelist.sort() for sockettype in sockettypelist: print sockettype Anyone know how I can see the options on existing sockets, ie those created by other processes? Alas nearly all the documentation I read on Python socket programming is about making new sockets.

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  • In Java, is there a way to write a string literal without having to escape quotes?

    - by Matthew
    Say you have a String literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read. In some languages, you can just do this: foo = '"Hello, World"'; In Java, however, '' is used for chars, so you can't use it for Strings this way. Some languages have syntax to work around this. For example, in python, you can do this: """A pretty "convenient" string""" Does Java have anything similar?

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  • TCP Connection Persistent State

    - by TripShock
    Is there any field/option/anything that I can put in a TCP packet (be it a syn or an ack or just plain data) that I can be sure will be returned by the other end intact? For eg. I want to "tag" a particular connection (src, srcport, dst, dstport) with a number that I can always read from a packet belonging to that connection. That means I can identify the connection without using the 4-tuple (as given above).

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  • ReSharper 5 external sources in a .NET 4.0 project

    - by RasmusKL
    I've read about the ReSharper external sources feature in ReSharper 5. But when attempting to use it on a .NET 4.0 project, but my attempts to make it work / use it have failed. Whenever I attempt to navigate to "Sources from Symbol Files" - I just get the message that the symbols are not available. Are the debug symbols for .NET 4 not released yet or are they placed somewhere else? It works fine and downloads the proper symbols for .NET 3.5 projects.

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