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• vlc python bindings - how to receive keyboard input?

  - by itsadok

  I'm trying to use VLC's python bindings to create my own little video player. The demo implementation is quite simple and nice, but it requires all the keyboard commands to be typed into the console from which the script was run. Is there any way I can handle keyboard input also when the video player itself has focus? Specifically, I care about controlling the video while in fullscreen mode. Perhaps there's a way to keep the keyboard focus in the console (or maybe another window) while showing the video? I'm using Windows XP, if that has any relevance.

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• what is jqgrid footer json format

  - by Dennis

  hi. i am currently trying to solve my problem with the total in the footer. i tried searching in the internet with some examples, but they are using php, and i am using java. can you please show me what exactly the json looks like for this php script $response-userdata['total'] = 1234; $response-userdata['name'] = 'Totals:'; is this what it looks like? {"total":0,"userdata":[{"total":1234,"name":"Totals"}],"page":0,"aData":..... thanks.

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• How to efficiently track my geolocation during traveling using iPhone

  - by Peter Kruithof

  I'm going to travel through Thailand and I want to keep track of my location to geotag photos afterwards taken with a digital camera (iPhone's camera is not good enough). There are two things that are important here: I don't want to update manually I want the battery to last as long as possible, since the times I will be able to charge will be scarce I've thought about creating a web page that periodically sends my geolocation to a script that stores it in a database, but I don't know if GPS data is available in Mobile Safari. Second, I want the data I send to be as small as possible, and the frequency this is done s few as possible, because of the pricing of mobile data usage abroad. Any suggestions what would be a good solution here?

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• django manual login and redirect

  - by Zayatzz

  Hello I have such view that handles user registration. After creating new user i want to manually authenticate it and log it in.: def register(request): ... ... if form.is_valid(): username = form.cleaned_data['username'] password = form.cleaned_data['password1'] email = '' newuser = User.objects.create_user(username, email, password) user = authenticate(username=username, password=password) login (request, user) I have set LOGIN_REDIRECT_URL to '/profile/', but after authenticating and logging user in, it redirects me back to the same view not to /profile/, why? And how can i specify where to redirect after logging in? If i add HttpResponseRedirect('/profile/') After login line - nothing happens. The script never ends up there. Alan.

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• Code Golf Christmas Edition: How to print out a Christmas tree of height N

  - by TheSoftwareJedi

  Given a number N, how can I print out a Christmas tree of height N using the least number of code characters? N is assumed constrained to a min val of 3, and a max val of 30 (bounds and error checking are not necessary). N is given as the one and only command line argument to your program or script. All languages appreciated, if you see a language already implemented and you can make it shorter, edit if possible - comment otherwise and hope someone cleans up the mess. Include newlines and whitespace for clarity, but don't include them in the character count. A Christmas tree is generated as such, with its "trunk" consisting of only a centered "*" N = 3: * *** ***** * N = 4: * *** ***** ******* * N = 5: * *** ***** ******* ********* * N defines the height of the branches not including the one line trunk. Merry Christmas SO!

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• Opposite of nl2br? Is it str_replace?

  - by Julian H. Lam

  So the function nl2br is handy. Except in my web app, I want to do the opposite, interpret line breaks as new lines, since they will be echoed into a pre-filled form. str_replace can take <br /> and replace it with whatever I want, but if I put in \n, it echoes literally a backslash and an n. It only works if I put a literal line break in the middle of my script, and break the indentation (so there are no trailing space). See: <?=str_replace('<br />',' ',$foo)?> Am I missing escape characters? I think I tried every combination...

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• In SELENIUM, how to I change focus to a new popup tab?

  I'm using Selenium and Firefox. I have a link on a page (say linkA) that opens a new page in a new tab. The new tab is displayed when linkA is clicked. I then want to interact with the new page. Here is my selenium script: click linkA pause 5000 selectWindow Title click linkB (note: linkB is on the new page) Selenium cannot identify the new tab. It reports: [warn] Link has target '_blank', which is not supported in Selenium! Randomizing target to be: selenium_blank24003 Is there any way to tell Selenium to interact with the displayed tab?

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• Why does Google's Closure Compiler leave a few unnecessary spaces or line breaks?

  - by Bungle

  I've noticed that every time I use Google's Closure Compiler Service, it leaves a few unnecessary spaces in the compiled code presented on the right-hand side of the page. These correspond to line breaks in the hosted version of the compiled code. For example (note the line breaks, each of which seems unnecessary): http://troy.onespot.com/static/stack_overflow/closure_spaces.js To date, I've just been removing them manually, but I'm curious why they're there. Is it to limit the line length of the hosted version of the code to make it more readable? Could the compiler be smart enough to leave or insert those intentionally to maximize GZIP compression efforts? I know that they have a trivial effect on the file size, but with so much effort going into minifying every last byte in the source script, it's counterintuitive why they're there.

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• Name of the concept of designing an interface to allow expert users to become more efficient?

  - by Grundlefleck

  I'm searching for sources and further information on a particular concept in user experience design. It's not a particularly complicated concept, just that when designing user interfaces, you should both make it intuitive and simple for new users, but also provide way for users to become more efficient as they become more familiar with the application. An example could be including a prominent button for a common action for new users, but also providing a keyboard shortcut / mnemonic for expert users. However, that's just an example, another example could be providing full functionality through a GUI, but allow expert users to script the same actions. The point is it's more difficult to learn, but it makes them more efficient. I'm pretty sure there's a name for that which I can't recall, and I'm having trouble searching for sources and references on it. Name of the concept of designing an interface to allow expert users to become more efficient?

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• Django version in GAE

  - by Alex

  I'm tring to use Django 1.1 in GAE, But when I uncomment use_library('django', '1.1') in this script import os os.environ['DJANGO_SETTINGS_MODULE'] = 'settings' from google.appengine.dist import use_library #use_library('django', '1.1') # Google App Engine imports. from google.appengine.ext.webapp import util # Force Django to reload its settings. from django.conf import settings settings._target = None import django.core.handlers.wsgi import django.core.signals import django.db import django.dispatch.dispatcher # Unregister the rollback event handler. django.dispatch.dispatcher.disconnect( django.db._rollback_on_exception, django.core.signals.got_request_exception) def main(): # Create a Django application for WSGI. application = django.core.handlers.wsgi.WSGIHandler() # Run the WSGI CGI handler with that application. util.run_wsgi_app(application) if __name__ == "__main__": main() I receives AttributeError: 'module' object has no attribute 'disconnect' What is going on?

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• Running Awk command on a cluster

  - by alex

  How do you execute a Unix shell command (awk script, a pipe etc) on a cluster in parallel (step 1) and collect the results back to a central node (step 2) Hadoop seems to be a huge overkill with its 600k LOC and its performance is terrible (takes minutes just to initialize the job) i don't need shared memory, or - something like MPI/openMP as i dont need to synchronize or share anything, don't need a distributed VM or anything as complex Google's SawZall seems to work only with Google proprietary MapReduce API some distributed shell packages i found failed to compile, but there must be a simple way to run a data-centric batch job on a cluster, something as close as possible to native OS, may be using unix RPC calls i liked rsync simplicity but it seem to update remote notes sequentially, and you cant use it for executing scripts as afar as i know switching to Plan 9 or some other network oriented OS looks like another overkill i'm looking for a simple, distributed way to run awk scripts or similar - as close as possible to data with a minimal initialization overhead, in a nothing-shared, nothing-synchronized fashion Thanks Alex

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• How do i handle jcupload and no flash?

  - by acidzombie24

  I am using http://www.jcupload.com/ (basic) to upload files. I am considering having a friend write a more custom version or to do magic with ajax; so the solution should be able to work without that. With jcupload i include css, a script and write <div id="jcupload_content"></div> in my html and i am done. Problem is, with no flash i get an object box. Instead i would like is an iframe or a html form to upload the file. How do i do this? Should i detect flash from javascript and overload the div myself if no flash is available? How do i detect if flash is available? with jquery i know i can write something like $('#jcupload_content').innerHtml = blah; How do i handle the flash part?

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• How to stop flash content shine-through JQuery UI Dialog in FF Windows

  - by DEfusion

  I'm using the jQuery UI dialog box, in IE & FF on Windows I'm getting underlying flash content shining through the dialog box. I resolved this on IE by enabling the bgiframe option on the jQuery dialog window and changing the bgiframe script to apply to any windows browsers, however I'm still getting the shine-through on FF. Note that I can't know exactly where the flash content will be showing as it is usually flash widgets that users have added to pages, although I have thought about hiding the flash content temporarily while displaying the dialog box - is this the only option left to me?

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• Can't set a cookie in Chrome 5

  - by Nicolas

  Hi, Since today I am facing a tricky issue with Google Chrome that I've just updated to v5. I have a user login process running on my website. Everything works fine on FF 3.6.x and IE 7, but I just can't set any cookie in Google Chrome 5. I'm mentioning 5 because it worked very well before on v4. My PHP script looks like that: $cook = setcookie($cookieName, $value, $expires, '/', '.'.$domain); var_dump($cook, isset($_COOKIE[$cookieName])); I even tried the alternative setrawcookie without any result. $cook = setrawcookie($cookieName, $value, $expires, '/', '.'.$domain); var_dump($cook, isset($_COOKIE[$cookieName])); FF 3.6.x and IE7 output: bool(true) bool(true) Whereas Chrome v5 outputs: bool(true) bool(false) And obviously I see not trace of this cookie in Google Chrome 5. Any idea? =/ Cheers, Nicolas.

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• Rails: blank page - no errors or stack trace

  - by Nathan Long

  I've been trying to fix a bug in the Rails app I'm developing, and I keep getting a blank screen with no errors. I haven't found anything helpful in development.log, either (though it does show queries being run and such). Finally, I started to wonder if it's somehow set not to show errors anymore. I tried commenting out a necessary route, and sure enough, I got a blank page instead of the error and stack trace I expected. What might cause this? (I wondered if maybe I'm accidentally running production mode and errors aren't supposed to show then, but development.log is being appended, and if I open script/console and echo ENV['RAILS_ENV'], it says development.)

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• Trouble with Powershell and running a complex commandline

  - by Frank Rosario

  Hi, I've been trying to run the following command line from a Powershell build script we have; but keep running into issues & 'C:\Dev\Yadda\trunk\BuildScripts\U tilities\csmanage.exe' /create-deployme nt /name:yadddayaddyaddadev /label:yadddayaddyaddadev /package:https://yadddayaddyadda.blob.core.windows.net/mydeployments/20100426_202848_FamilyMoments.cspk g /config:C:\Dev\WalmartOne\trunk\yadddayaddyadda.CloudService\bin\Debug\ServiceCon figuration.cscfg /slot:Staging /hosted-service:yadddayaddyadda-dev" Note: the space in "Utilities" is intentional; trying to snif out a bug involving spaces in the executable path. I assure you, the path does exist with the space in it on my machine. What's the best way to call this command line from Powershell? I've tried Invoke-Expression, Diagnostic.Process::Start, &; each method coming up with some different type of error; usually that it could find the executable. Any constructive input is greatly appreciated. Thanks.

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• Is it possible to force an error in an Integration Services data flow to demonstrate its rollback?

  - by Matt

  I have been tasked with demoing how Integration Services handles an error during a data flow to show that no data makes it into the destination. This is an existing package and I want to limit the code changes to the package as much as possible (since this is most likely a one time deal). The scenario that is trying to be understood is a "systemic" failure - the source file disappears midstream, or the file server loses power, etc. I know I can make this happen by having the Error Output of the source set to Failure and introducing bad data but I would like to do something lighter than that. I suppose I could add a Script Transform task and look for a certain value and throw an error but I was hoping someone has come up with something easier / more elegant. Thanks, Matt

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• Exec Maven Plugin to Command Line

  - by mistercaste

  I have an application developed in NetBeans/Maven that can be started via command line with: mvn exec:exec "-Dexec.executable=C:\\Java\\jdk1.6.0_33\\bin\\java.exe" "-Dexec.args=-Dlog4j.properties=... -classpath %classpath com.xxx.MyLauncher" -Dexec.classpathScope=runtime -Dexec.workingdir= Now I need to run the application through the standard java command line method, like: java -Dlog4j.properties=... -jar myapp-1.2-SNAPSHOT.jar Unfortunately this does not work in the same manner, as I get the following exception: opencard.core.util.OpenCardPropertyLoadingException: property file not found Questions: What is the difference between launching applications with the Exec-Maven-plugin and the standard java execution on command line? Is there an easy way to convert a Maven execution script to a standard command line? How to run the application succesfully?

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• Best Installation Software?

  - by Chris

  I am interested in knowing what the best software would be to build an installation package that performs the following: (1) Installs client application (2) Detects all SQL server instances on network, allowing user to select specific database to upgrade (which would then upgrade database using an embedded SQL script) (3) Installs website on a server/location specified by user, and configures IIS 6.0 and/or 7.0 based on settings that I specify. (4) Creates a simple setup.exe - and allows user to choose installation components (listed above, i.e install client app, sql server database, and/or website), and then download selected components from remove server. I have tried NSIS - as was able to create an installation package that will download a compressed (gzip) component from a remote server, decompress the file, install the components, and then remove the gzip file. So, this worked beautifully. The part where I am stuck is to be able to perform the database upgrade and website install. Any suggestions would be great. Thanks. Chris

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• Invoking MSYS bash from Windows cmd

  - by daevius

  I'm using GCC on Windows7 (using the TDM's build). I installed MSYS to be able to execute make and compile using makefiles. However, it is tedious to every time start up the MSYS bash shell, navigate to the directory of the project and run make. What I want is to automate this process. I prefer to have a batch file in Windows, or something similar, from which I then invoke the MSYS bash. It should navigate to the directory the batch file resides in and call "make". Is this possible? Can I send commands to MSYS bash from cmd (like navigation / invoking make)? Or can I let the MSYS bash run a "bash script", which sets the commands to be executed much like batch scripts? Thank you. PS: this is something similar as this question: http://stackoverflow.com/questions/2546757/executing-msys-from-cmd-exe-with-arguments

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• How do I configure the binary log file for auditing in MySQL?

  - by Parth

  How to use Binary Log file for Auditing in MySQL? I want to track the change in a DB using Binary Log so that I can replicate these changes to other DB please do not give me hyperlinks for MySQL website. please direct me to find the solution EDIT I have looked for auditing options and created a script using Triggers for that, but due toi the Joomla DB structure it did'nt worked for me, hence I have to move on to Binary Log file concept now i am stucked in initiating the concept as I am not getting the concept of making the server master/slave, so can any body guide me how to actually initiate it via PHP?

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• php cURL POST how to follow location

  - by webfac

  Hi Guys, I am in a bit of a rut with a cURL issue. The post works greate, the data is POSTED just fine and received ok, but the url of the posted page never appears in the browser after the cURL session is executed, for example look at the following code: $ch = curl_init("http://localhost/eterniti/cart-step-1.php"); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "error=1&em=$em&fname=$fname&lname=$lname&email1=$email1&email2=$email2&code=$code&area=$area&number=$num&mobile=$mobile&address1=$address1&address2=$address2&address3=$address3&suburb=$suburb&postcode=$postcode&country=$country"); curl_exec($ch); curl_close($ch); The post works fine and I am taken to the cart-step-1.php where I can process the posted data, HOWEVER the location in the URL address bar of the browser remains that of the script page, in this case proc_xxxxxx.php Any ideas how to get the URL address to reflect the page I am actually POSTED to? Thanks a mill

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• Do you have a development IDE hotkey set in AutoHotkey?

  - by blesh

  I've recently rejoined the AutoHotkey band wagon, and I've been setting up a master script for myself. Generally, I have a few global hotkeys, for doing things like popping open the calculator, and frequently used solutions. I even have a hotkey to restart certain local windows services, I've also got several contextual hotkeys that are only available when certain programs are active, but I don't have anything so far for my common IDE's. I generally develop in VS2008/2010 these days and they have a pretty robust shortcut and code snippet system. Still, I can't help but wonder if anyone out there has come up with a useful set of hotkeys/hotstrings in AutoHotKey for their favorite development environments? I haven't seen much out there, but I'm always interested in ways to cut back my mundane tasks with automation. Does anyone have any AutoHotkey scripts they use primarily for development?

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• RMagick returns nil reading JPEG

  - by ysproduction

  When I try to open a JPEG format file in Rails using RMagick, it always return nil with any jpg file. Other file formats open well. $ script/console Loading development environment (Rails 2.3.4) >> require 'RMagick' >> img = Image.read("1.gif").first => 1.gif GIF 230x100 230x100+0+0 PseudoClass 256c 8-bit 2kb >> img = Image.read("1.png").first => 1.png PNG 1280x800 1280x800+0+0 DirectClass 8-bit 156kb >> img = Image.read("1.jpg").first => nil Why this happens?

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• Check if value of textbox extended with MaskedEditExtender is valid?

  - by Ismail S

  Below is my code: <asp:TextBox ID="FromDateTextBox" runat="server" /> <asp:ImageButton ID="FromDateImageButton" runat="server" ImageUrl="~/images/calander.png" /> <ajaxkit:CalendarExtender ID="FromDate" runat="server" TargetControlID="FromDateTextBox" CssClass="CalanderControl" PopupButtonID="FromDateImageButton" Enabled="True" /> <ajaxkit:MaskedEditExtender id="FromDateMaskedEditExtender" runat="server" targetcontrolid="FromDateTextBox" Mask="99/99/9999" messagevalidatortip="true" onfocuscssclass="MaskedEditFocus" oninvalidcssclass="MaskedEditError" masktype="Date" displaymoney="Left" acceptnegative="Left" errortooltipenabled="True" /> <ajaxkit:MaskedEditValidator id="FromDateMaskedEditValidator" runat="server" controlextender="FromDateMaskedEditExtender" controltovalidate="FromDateTextBox" emptyvaluemessage="Date is required" invalidvaluemessage="Date is invalid" display="Dynamic" tooltipmessage="Input a date" emptyvalueblurredtext="*" invalidvalueblurredmessage="*" validationgroup="MKE" /> I've set Culture="auto" UICulture="auto" in @Page directive and EnableScriptGlobalization="true" EnableScriptLocalization="true" in script manager to have client culture specific date format in my textbox. I also have a Go button on my page on which I will do a partial post back. So, I want to validate the FromDateTextBox in javascript when the Go button is clicked.

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