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  • a problem with char** in c

    - by sagi
    hello i have an char** arr which is an array of strings and i want to erase the 2 last cell of the array or maybe to create a new char** but without those last 2 cells thank you very much.

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  • SQL Query takes about 10 - 20 minutes

    - by masfenix
    I have a select from (nothing to complex) Select * from VIEW This view has about 6000 records and about 40 columns. It comes from a Lotus Notes SQL database. So my ODBC drive is the LotusNotesSQL driver. The query takes about 30 seconds to execute. The company I worked for used EXCEL to run the query and write everything to the worksheet. Since I am assuming it writes everything cell by cell, it used to take up to 30 - 40 minutes to complete. I then used MS access. I made a replica local table on Access to store the data. My first try was INSERT INTO COLUMNS OF LOCAL TABLE FROM (SELECT * FROM VIEW) note that this is pseudocode. This ran successfully, but again took up to 20 - 30 minutes. Then I used VBA to loop through the data and insert it in manually (using an INSERT statement) for each seperate record. This took about 10 - 15 minutes. This has been my best case yet. What i need to do after: After i have the data, I need to filter through it by department. The thing is if I put a where clause in the SQL query (the time jumps from 30 seconds to execute the query, to about 10 minutes + the time to write to local table/excel). I dont know why. MAYBE because the columns are all text columns? If we change some of the columns to integer, would that make it faster in terms of the where clause? I am looking for suggestions on how to approach this. My boss has said we could employ some Java based solution. Will this help? I am not a java person but a c#, and maybe I'll convince them to use c# as well, but i am mainly looking for suggestions on how to cut down the time. I've already cut it down from 40 minutes to 10 minutes, but the want it under 2 minutes. Just to recap: Query takes about 30 seconds to exceute Query takes about 15 - 40 minutes to be used locally in excel/acess Need it under 2 minutes Could use java based solution You may suggest other solutions instead of java.

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  • Configure lua prosody for localhost only

    - by Alfred
    I want to use prosody or maybe another xmpp server to test my xmpp bot. I want it to only accept connection from the address/localhost(don't want to configure firewall to block access). I would like to know the easiest way to accomplish this.

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  • Restoring and passing data to an already running instance of a .NET application

    - by mtranda
    The goal is to have an application that runs in the system tray and can either accept user input from its actual GUI (which isn't the actual issue) OR accept command line parameters (that would actually be done via a context menu in windows explorer). Now, while I'm aware that the command line parameters are not exactly possible once the application has started, I need a way to pass data to the already running application instance via some form of handler. I'm thinking maybe define and raise some sort of event? Thanks in advance.

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  • Random number from a range in a Bash Script

    - by Jack
    Hi, I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is only a 16bit number, so im stuck! PORT=$(($RANDOM%63000+2001)) would work nicely if it wasn't for the size limitation. Does anyone have an example of how I can do this, maybe by extracting something from /dev/urandom and getting it within a range? Thanks.

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  • How to find what service running on background on Android?

    - by XC
    How to find what service running on background on Android? like input method service, .... Using adb or terminal on android device ? Could I use "top" or "ps" command? Maybe I have to ask in another way? Does the service be presented as one "process", then we can use "ps" or "top" command to find it?

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  • Remove all user's cookies/sessions when password is reset

    - by Juraj
    I'm interested in improving security of my TurboGears 2.2 application so that when user changes his password, it logs him out from all sessions and he must login again. When user changes password on browser 1, he must relogin on browser 2, too. Experiments show that this is not the case, especially if browser 2 had "remember me" enabled. It's standard quickstarted app using repoze.who. It seems maybe I need to change AuthTktCookiePlugin, but don't see a way to do it without much rewiring.

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  • How do I make vim indent java annotations correctly?

    - by wds
    When indenting java code with annotations, vim insists on indenting like this: @Test public void ... I want the annotation to be in the same column as the method definition but I can't seem to find a way to tell vim to do that, except maybe using an indent expression but I'm not sure if I can use that together with regular cindent. edit: The filetype plugin was already turned on I just got a bit confused about indenting plugins. The accepted answer may be a bit hackish but works for me as well.

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  • Zend framework forms, upload file problem

    - by bounce
    Hi, I use Zend forms in my web application. I wonder where Zend puts uploded temp file by default ? I can't find it in server tmp dir. For example if I upload image(1.jpg) via file field, it appears on tmp folder, but as 1.jpg(/tmp/1.jpg). But I need temporary file like /tmp/phpeZApBn. Maybe it is in any other location ? Any help would be appreciated.

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  • Php + mysql transactions examples

    - by Donator
    I really haven't found normal example of php file where mysql transactions are being used. Can you show me simple example of that? And one more question. I've already created a lot of programming and didn't use transaction, maybe I can put any php function or smth to header.php that if one mysql_query fails, then others too? Thank you.

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  • Expire models in Rails

    - by Koning Baard XIV
    I'm creating a simple paste-bin in Ruby on Rails, which will have an expire-feature. With this, people can select a date when the paste will be deleted automatically. How can I implement this? I was thinking of a cronjob, but maybe there is a more platform-independent way, by defining this in the model itself. Can anyone help me? Thanks.

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  • How can I determine if a file is read-only for my process on *nix?

    - by user109078
    Using the stat function, I can get the read/write permissions for: owner user other ...but this isn't what I want. I want to know the read/write permissions of a file for my process (i.e. the application I'm writing). The owner/user/other is only helpful if I know if my process is running as the owner/user/other of the file...so maybe that's the solution but I'm not sure of the steps to get there.

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  • Most suitable Unix platform for developing device drivers

    - by bugspy.net
    I completely newbie in device drivers, so I hope my question is in place, but I need to develop a driver to control some equipment. I was thinking on using Linux as the host OS, but not sure if it is such good idea. I've heard some horror stories about the mess of developing device drivers under Linux. Is there a better alternative under the *Nix world? Or maybe should I check other OSes?

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  • Run-Time Binding C++

    - by m00st
    I'm reading in my text book about virtual functions in C++ and my book doesn't elaborate on what exactly run-time binding is. It doesn't give me any information as to why I would need run-time binding. Maybe the nice people at SO can provide me with some links or information? Thanks :]

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  • One-line expression to map dictionary to another

    - by No Such IP
    I have dictionary like d = {'user_id':1, 'user':'user1', 'group_id':3, 'group_name':'ordinary users'} and "mapping" dictionary like: m = {'user_id':'uid', 'group_id':'gid', 'group_name':'group'} All i want to "replace" keys in first dictionary with keys from second (e.g. replace 'user_id' with 'uid', etc.) I know that keys are immutable and i know how to do it with 'if/else' statement. But maybe there is way to do it in one line expression?

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  • Exciting new Evented I/O technologies

    - by Saif Bechan
    Lately I have been having my eye on evented I/O to tackle some of my web application problems. I have been looking at things as Python's Twisted, Ruby's Eventmachine, and Node.js. Are there any other alternatives to these three, maybe in other languages as PHP ?

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  • Is there better documentation then the original OpenAL docs? [closed]

    - by mystify
    OpenAL is such a huge thing, and the documentation doesn't tell what values are acceptable for properties. That's really bad. I'm using the document: "OpenAL_Programmers_Guide.pdf" Whenever I look up a property I'm left in the dark what value might be ok. For example, take AL_PITCH. What value? Maybe someone wrote a better one? Or is there something like a wiki place with more details?

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  • glassfish v3 asadmin how to specify XA on connection factory

    - by NDK
    This worked in GFV2: $AS_HOME/bin/asadmin \ --host $AS_ADMIN_HOST \ --user $AS_ADMIN_USER \ --port $AS_ADMIN_PORT \ create-jms-resource \ --restype javax.jms.QueueConnectionFactory \ --description XA\ Queue\ Connection\ Factory \ --property Name=myXAQueueConnectionFactory:SupportsXA=true \ jms/myXAQueueConnectionFactory But the SupportsXA=true no longer works. Maybe I can't find it in the GFV3 manuals, nor can I find it via our friend Google: how to specify XA transactionality using asadmin to configure the factory? Anybody out there know how?

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  • Python: Set window focus on terminal

    - by janoliver
    Hey, I have a python application that opens some plots for me and then asks the user for input. The problem is, that after opening the plot, the focus isn't on the terminal anymore, so you have to click or tab to it manually. I would like to set the focus to the terminal window with python - is that possible? I'm using gnuplot.py, maybe there is an option to open the plot in the background? Thanks!

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  • Decimal type in Qt (C++)

    - by Dave
    What is the correct type to use in Qt development (or C++ in general) for decimal arithmetic, i.e. the equivalent of System.Decimal struct in .Net? Does Qt provide a built-in struct? (I can't find it in the docs, but maybe don't know where to look.) Is there a "standard" C++ library to use?

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  • C Language Standard Collections Where Are They?

    - by flaxeater
    I have committed to learning C now, I'm good with Python/PHP/Bash but I've decided I'm limited by not being fluent in C. However I cannot imagine working in a language without lists and hashes, maybe I'm just jumping a gun, but surely there are 'standard' collection libraries. I do not see any in the GNU standard lib though, any suggestions?

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