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  • Is `xargs -t` output stderr or stdout, and can you control it?

    - by Roy Rico
    say i have a directory with hi.txt and blah.txt and i execute the following command on a linux-ish command line ls *.* | xargs -t -i{} echo {} the output you will see is echo blah.txt blah.txt echo hi.txt hi.txt i'd like to redirect the stderr output (say 'echo blah.txt' fails...), leaving only the output from the xargs -t command written to std out, but it looks as if it's stderr as well. ls *.* | xargs -t -i{} echo {} 2> /dev/null Is there a way to control it, to make it output to stdout?

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  • Subsonic SELECT FROM msdb

    - by Lukasz Lysik
    Hi, I want to execute the following query using Subsonic: SELECT MAX([restore_date]) FROM [msdb].[dbo].[restorehistory] While the aggregate part is easy for me, the problem is with the name of the table. How should I force Subsonic to select from different database than default one.

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  • How to make OSX application that just runs opens some file type and runs arbitrary Ruby code?

    - by taw
    It's trivial to make a program executable from shell - just put #!/usr/bin/ruby on top, chmod +x it and done. Unfortunately OSX won't let me associate file type with such scripts - it requires its .apps instead. This sort of distinction doesn't seem to exist on other operating systems. What's the simplest way of making such .app, which would merely execute some arbitrary Ruby code?

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  • is it possible to load a shared library on a shared memory?

    - by quimm2003
    I have a server and a client written in C. I try to load a shared library in the server and then pass library function pointers to the client. This way I can change the library without have to compile the client. Because of every process has its own separate memory space, I wonder if it is possible to load a shared library on a shared memory, pass the function pointers and map the shared memory on the client and then make the client execute the code of the library loaded by the server.

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  • Return more then One field from database SQLAlchemy

    - by David Neudorfer
    This line: used_emails = [row.email for row in db.execute(select([halo4.c.email], halo4.c.email!=''))] Returns: ['[email protected]', '[email protected]', '[email protected]', '[email protected]', '[email protected]'] I use this to find a match: if recipient in used_emails: If it finds a match I need to pull another field (halo4.c.code) from the database in the same row. Any suggestions on how to do this?

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  • Best reporting tool for .NET

    - by Marco Parenzan
    I have convinced a company to change Crystal Reports. But then? What to use? Telerik? I want: designer bind an object model, not a denormalized view execute from batch, generate report in batch export to word or many other formats reporting site Uh, my backend is Progress Software, so ODBC driver. Or NHibernate objects...

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  • Making a python script run at a set rate.

    - by Matt1024
    How can I make a python loop run at a set rate regardless of how long it takes to execute commands in the loop (providing the commands take less time to run than the loop is allowed)? How can I make this run every 0.25 seconds, for example? while True: print("OK")

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  • Quartz: triggering multiple jobs

    - by Phanindra
    In Quarts, can I use a single trigger to schedule multiple jobs, so that all the jobs gets executed in parallel. What is the best way to do this. Example, every hour execute Jobs j1, j2, ..., jn in parallel. Assuming that there is no dependency between the jobs.

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  • Convert multiquery to a query using group by and so on

    - by ffffff
    -schema CREATE TABLE `ratings` ( `id` int(11) NOT NULL default '0', `rating` int(11) NOT NULL default '1', `rating_start` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`) ) TYPE=MyISAM -myprogram.php foreach($ids as $id){ $sql = "SELECT rating FROM ratings WHERE id = '$id' AND rating_start >= NOW()"; $sql .= "ORDER BY rating_start DESC LIMIT 1;" $ret = $db->execute($id); } Can I teke same date from a Query? by using id IN (".implode(",",$ids).") and GROUP BY id

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  • exeuting command in background

    - by tazim
    Hi, Trying to execute shell command in background using pythons commands module >>>import commands >>>output = commands.getstatusoutput("find / > tmp.txt &") sh: Syntax error: ";" unexpected Can anyone explain what is wrong with the syntax ? How should it be executed then ? Tazim.

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  • Stored Procedure could not be found

    - by Beatles1692
    We use SQL server 2008 as our RDBMS and we have a database that has a different user rather than dbo as its owner. The problem is in one machine a stored procedure can not run unless its owner is mentioned. If we connect to our database using this user and try to execute the following : exec ourSP we get a "could not find ourSP" error but this works fine: exec user.ourSP Does anybody knows what can lead to such a strange behavior?

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  • Is a server an infinite loop running as a background process?

    - by Tony
    Is a server essentially a background process running an infinite loop listening on a port? For example: while(1){ command = read(127.0.0.1:xxxx); if(command){ execute(command); } } When I say server, I obviously am not referring to a physical server (computer). I am referring to a MySQL server, or Apache, etc. Full disclosure - I haven't had time to poke through any source code. Actual code examples would be great!

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  • HTTP triggers for Postgres

    - by HeineyBehinds
    I'm trying to write a Postgres trigger such that when a configuration table is updated, a backend component is notified and can handle the change. I know that Oracle has the concept of a web/HTTP trigger, where you can execute an HTTP GET from the Oracle instance itself to a URL that can then handle the request at the application layer. I'm wondering if Postgres (v. 9.0.5) has the same feature, or comes with anything similar (and, subsequently, how to set it up/configure it)?

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  • SQL Server stored procedure in multi threaded environments

    - by Shamika
    Hi, I need to execute some Sql server stored procs in a thread safe manner. At the moment I'm using software locks (C# locks) to achieve this but wonder what kind of features provided by the Sql server itself to achieve thread safety. It seems to be there are some table and row locking features built in to Sql server. Also from a performance perspective what is best approach? Software locks? Or Sql Server built in locks? Thanks, Shamika

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  • What does the exception "javax.servlet.jsp.JspException: Broken pipe" signify?

    - by Ruepen
    I'm getting the following error: javax.servlet.jsp.JspException: Broken pipe Now I have seen questions/answers with respects to the socket exception, but this error is coming from a different package. Any help is greatly appreciated. BTW, I am seeing quite a lot of these errors in a struts web app Weblogic Node logs and I am thinking that it has to do with end users closing their web browser before the page reloads/executes the next step (database transaction which takes quite a bit of time to execute, anywhere from 30 seconds to 4 mins).

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  • NHibernate and MySql Keywords

    - by jalchr
    Why Nibernate HQL can not handle the following query: from Deal D where (D.ApprovalDate + INTERVAL 1 Year) < current_timestamp() < (D.RenewalDate + INTERVAL -1 Year) knowing that INTERVAL and YEAR are keywords in MySQL, so this is kind of mixing Sql within Hql (unless Hql can handle date functions like so and I don't know) . The dialect is MySQLDialect Its perfectly valid to execute this query SELECT '2005-01-01' + INTERVAL 1 Year;

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