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  • Can I use a USB monitor (like Mimo) as a primary monitor?

    - by Eduardo Molteni
    I have an old PC in the den without Video Card (I have to remove it after it start failing). I access it through Remote Desktop. I don't want to invest in a new video card since the PC is old. If I buy a USB monitor I can use it as a secondary monitor in the main pc, and plug to the old PC when need. The question is: Does the USB monitor work during booting before the OS was loaded?

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  • Automatic adaptive gain normalization

    - by Eduardo
    How may I normalize a (voice) audio mp3 or aac file with no loss, having the gain rised as much as possible with little distortion, so in a long conversation people that speak softer can have more gain for their voice and people that speak louder can have less gain?

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  • how to connect with ssh when it's hanging

    - by Eduardo Bezerra
    I'm trying to ssh into a remote machine, but it hangs when looking for an identity file: [username@local .ssh]$ ssh -v remote uname OpenSSH_5.3p1, OpenSSL 1.0.0-fips 29 Mar 2010 debug1: Reading configuration data /home/username/.ssh/config debug1: Applying options for * debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to remote [192.168.3.36] port 22. debug1: Connection established. debug1: identity file /home/username/.ssh/identity type -1 debug1: identity file /home/username/.ssh/id_rsa type -1 debug1: identity file /home/username/.ssh/id_dsa type -1 I can ping the machine normally, and it's obviously working with the sshd service running... I just don't know how to log into it. In fact, I'd just like to reboot it. That'd be fine. Thing is: it's across the ocean (I'm in the US, and the machine is in Europe). I'd run some hundreds of java threads at the same time and apparently that was too much for the host. How can I get back in?

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  • b43 module loaded, but no interface showed up

    - by Eduardo Bezerra
    I'm using CentOS 6.3 x86_64 on a hardware with a BCM43224 chip for wi-fi. I installed the b43-fwcutter module and then run modprobe b43, with no error messages. However, no new network interface showed up, and the return of iwconfig is: lo no wireless extensions. eth0 no wireless extensions. lspci -nn | grep 43224 returns: 03:00.0 Network controller [0280]: Broadcom Corporation BCM43224 802.11a/b/g/n [14e4:4353] (rev 01) and uname -a: Linux localhost.localdomain 2.6.32-279.14.1.el6.x86_64 #1 SMP Tue Nov 6 23:43:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Any ideas of how to make the wireless device work?

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  • Vim - How Recognize Spaces as Tabs (set listchars=tab)

    - by Eduardo Lucio
    I wonder if it is possible to use a configuration for that command "set listchars=tab:¦¦,trail:·" to "see" 4 spaces as tabs and get the effect of the picture below (using real tabs)... I use the setting "set expandtab" to Vim use spaces in place of tabs. I really need to use spaces instead of tabs, but I would keep the functionality above. There is some form of do this? Here's how Vim behaves when I use "set expandtab"... ... I wish he recognized one tab for every 4 spaces like above! My setup for tabs... set tabstop=2 set shiftwidth=2 set softtabstop=2 set expandtab Thank you!

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  • Throttle or limit resources used by a user in a database?

    - by Eduardo
    I would like to know how databases (like MySQL) are able to manage per user resources (like Oracle Database Resource Manager does) to be able to have users that may only get resources only when the database is mostly idle. http://stackoverflow.com/questions/2418581/is-there-a-way-to-throttle-or-limit-resources-used-by-a-user-in-oracle

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  • Can't execute java files on command prompts when they work perfectly in Eclipse IDE, what to do?

    - by Eduardo de Luna
    I run the following code in Eclipse IDE: public class HelloWorld { public static void main(String[] args) { System.out.println("Hello World!" ) ; } } And it renders the expected output. When getting into the command prompt (DOS) already in the directory, I type this javac HelloWorld.java And then this java HelloWorld And the output reads Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld <wrong name:learning/HelloWorld> With a whole lot more errors, learning being the name of my general package. What's wrong? I have installed Eclipse x86 SDK 4.2.0 together bit with the latest JRE and JDK both in 64 bit as well.

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  • Remotely running batches on a Windows PC

    - by Eduardo León
    I want to remotely control my home desktop PC (running Windows 7 Professional), mainly to perform the following tasks: Downloading email attachments, and sending emails with attachments Running UI-less programs whose only inputs are files and whose only outputs are files So far, the only solution I have found is to use Remote Desktop to connect to my PC, but this is very slow and inefficient, especially when there is no fast Internet connection available other than my cell phone's. I would like to be able to send batch commands to my PC, like: Download an email attachment Use it as input for an UI-less program Save the program's output to a file Send that file to myself as an email attachment Is this possible? How could I do it?

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  • Movie Database in 2 Minutes with Running Objects

    - by edurdias
    Demonstrating how to use Running Objects, we have published a tutorial in how to create a Movie Database, like the one from Stephen Walther, in just 2 minutes. The tutorial demonstrate how to create the application end-to-end. You can access the tutorial in the following URL: http://runningobjects.azurewebsites.net/p/movie-database-in-2-minutes I hope you enjoy it!   Regards, Eduardo...(read more)

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  • Cinco podcasts marotos sobre desenvolvimento ou quase (pt-BR)

    - by srecosta
    Ando muito de ônibus e metrô.Se você também faz isto, sabe que você acaba desenvolvendo técnicas para não se dar conta de quanto tempo da sua vida você está desperdiçando ali, parado, no trânsito.Uma das minhas técnicas preferidas é ouvir podcasts. É fácil de baixar, a maioria cuida bem do aúdio e quando você percebe, já está em casa.Criei uma lista de cinco podcasts que você pode ler em: http://www.srecosta.com/2012/09/13/cinco-podcasts-marotos-sobre-desenvolvimento-ou-quase/ Grande abraço,Eduardo Costa

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  • Using Windows and MMSystem in Delphi

    - by Jose Martinez
    Hi I am making a program to open and close the cd reader in which I have thought to write data to CD, the problem is the basis of the problem, which use "uses Windows 'and' uses MMSystem" but the problem is that when I use both at the same time being "uses Windows, MMSystem" gives an error and the program does not compile, I am using Delphi 2010, the strange thing is that when I use only one either Windows or MMSystem works fine and compiles. The error when I try to compile is: 'Could not find program' The code in question is this: mciSendString ('Set cdaudio door open wait', nil, 0, handle); I have two things to ask you first is how I avoid the error when using the two (Windows and MMSystem) and the other question was if he could open the CD player without using MMSystem, bone using Windows API, but not where to start The source : program Project1; {$APPTYPE CONSOLE} uses SysUtils,Windows,MMSystem; procedure opencd; begin mciSendString('Set cdaudio door open wait', nil, 0, 0); end; begin try Writeln('test'); except on E: Exception do Writeln(E.ClassName, ': ', E.Message); end; end. Image :

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  • TextBlock Wrapping in WPF Layout

    - by Joel Martinez
    Hi, I'm trying to figure out how to do something similar to the twitter silverlight app that Scott Guthrie demoed recently in WPF: http://weblogs.asp.net/scottgu/archive/2010/03/18/building-a-windows-phone-7-twitter-application-using-silverlight.aspx Unfortunately, I seem to be having a hard time understanding the wpf layout system in some fundamental way. I've been trying various combinations of horizontalalignment/stretch, width/auto at different levels in the hierarchy, and I can't seem to get the "message" textblock to wrap without assigning an explicit width. All I want is for the text to wrap based on the width of the window (or whatever is the parent container). <Window x:Class="TweeterWin.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300" Loaded="Window_Loaded"> <ScrollViewer Height="auto" > <ListBox Name="tweetList" Height="auto" > <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal" Height="132"> <Image Source="{Binding Avatar}" Height="73" Width="73" VerticalAlignment="Top" Margin="0,10,8,0"/> <StackPanel > <TextBlock Text="{Binding User}" TextWrapping="Wrap" Foreground="#FFC8AB14" FontSize="15" /> <TextBlock Text="{Binding Message}" TextWrapping="Wrap" FontSize="10" /> </StackPanel> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </ScrollViewer> </Window> As a follow up, if anyone can send any links my way that might help me understand some of these layout fundamentals. I think I understand the main layout options (canvas, grid, stackpanel, etc.), but I dont' understand why I can't get this textblock to wrap in this scenario. Thanks!

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  • Python 3: regex to split on successions of newline characters

    - by Beau Martínez
    I'm trying to split a string on newline characters (catering for Windows, OS X, and Unix text file newline characters). If there are any succession of these, I want to split on that too and not include any in the result. So, for when splitting the following: "Foo\r\n\r\nDouble Windows\r\rDouble OS X\n\nDouble Unix\r\nWindows\rOS X\nUnix" The result would be: ['Foo', 'Double Windows', 'Double OS X', 'Double Unix', 'Windows', 'OS X', 'Unix'] What regex should I use?

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  • Dojo: drag and drop Stop Drag

    - by Jose L Martinez-Avial
    Hi, I'm trying to use Dojo dnd Source(1.4.2) to create an interface where I can move some objects from a Source to a Target. It is working fine, but I want to change the behaviour in order to execute a check before actually doing the D&D, so if the check fails, an error message is shown to the user, and the D&D is not made. I've tried the following example I found in a blog: dojo.subscribe("/dnd/drop", function(source,nodes,iscopy) { if (nodes[0].id == 'docs_menu'){ dojo.publish("/dnd/cancel"); dojo.dnd.manager().stopDrag(); alert("Drop is not permitted"); } } ); But it fails saying that this.avatar is null. Does anybody know how to do this? Thanks. Jose

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  • Python 3: receive user input including newline characters

    - by Beau Martínez
    I'm trying to read in the following text from the command-line in Python 3 (copied verbatim, newlines and all): lcbeika rraobmlo grmfina ontccep emrlin tseiboo edosrgd mkoeys eissaml knaiefr Using input, I can only read in the first word as once it reads the first newline it stops reading. Is there a way I could read in them all without iteratively calling input?

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  • Global "ajax call" notification with asp.net mvc/jquery

    - by Joel Martinez
    I need to be notified any time a largeish asp.net mvc web application makes an ajax call to the server. We're using both jquery, and the built-in Ajax.* methods to do the remote calls, and I would like a global way of knowing when we make a call without having to manually inject some sort of "IsMakingCall" method to every request. The root problem we're trying to solve is session timeout. If the user leaves a page up and goes to lunch (for example), they get errors when they get back because the ajax call is returning the login page instead of the expected json or partial html result. My idea was to have a js timer which would be reset any time we make an ajax call. That way, if the timer runs out (ie. their session has now timed out) I can just auto-log them out. This is how sites like bank of america and mint.com work. Thanks!

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  • Python 3: unpack inner lists in list comprehension

    - by Beau Martínez
    I'm running the following code on a list of strings to return a list of its words: words = [re.split('\\s+', line) for line in lines] However, I end up getting something like: [['import', 're', ''], ['', ''], ['def', 'word_count(filename):', ''], ...] As opposed to the desired: ['import', 're', '', '', '', 'def', 'word_count(filename):', '', ...] How can I unpack the lists re.split('\\s+', line) produces in the above list comprehension? Naïvely, I tried using * but that doesn't work. (I'm looking for a simple and Pythonic way of doing; I was tempted to write a function but I'm sure the language accommodates for this issue.)

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  • Python 3: timestamp to datetime: where does this additional hour come from?

    - by Beau Martínez
    I'm using the following functions: # The epoch used in the datetime API. EPOCH = datetime.datetime.fromtimestamp(0) def timedelta_to_seconds(delta): seconds = (delta.microseconds * 1e6) + delta.seconds + (delta.days * 86400) seconds = abs(seconds) return seconds def datetime_to_timestamp(date, epoch=EPOCH): # Ensure we deal with `datetime`s. date = datetime.datetime.fromordinal(date.toordinal()) epoch = datetime.datetime.fromordinal(epoch.toordinal()) timedelta = date - epoch timestamp = timedelta_to_seconds(timedelta) return timestamp def timestamp_to_datetime(timestamp, epoch=EPOCH): # Ensure we deal with a `datetime`. epoch = datetime.datetime.fromordinal(epoch.toordinal()) epoch_difference = timedelta_to_seconds(epoch - EPOCH) adjusted_timestamp = timestamp - epoch_difference date = datetime.datetime.fromtimestamp(adjusted_timestamp) return date And using them with the passed code: twenty = datetime.datetime(2010, 4, 4) print(twenty) print(datetime_to_timestamp(twenty)) print(timestamp_to_datetime(datetime_to_timestamp(twenty))) And getting the following results: 2010-04-04 00:00:00 1270339200.0 2010-04-04 01:00:00 For some reason, I'm getting an additional hour added in the last call, despite my code having, as far as I can see, no flaws. Where is this additional hour coming from?

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  • How to read Hibernate mapping

    - by Lluis Martinez
    Hi, I need to know which physical column is associated to a persistent's attribute. e.g. Class LDocLine has this attribute private Integer lineNumber; which is mapped in hibernate like this : The method I need is something like : getColumn("LDocLine","lineNumber) = "LINENUMBER" I assume its existence internally, but not sure if it's in the public api. Thanks in advance

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