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  • Google app engine - what is the lifecycle of PersistenceManager?

    - by Domchi
    What is the preferred way of using GAE datastore PersistenceManager for web app? GAE instructions are a bit ambiguous on the matter. Do I instantiate PersistenceManagerFactory for each RPC call, or do I use only one factory for all requests? Do I call PMF.get().getPersistenceManager(), or do I call PMF.get().getPersistenceManagerProxy()? Do I close PM after each RPC call, or do I leave it open? What are you guys doing? Furthermore, I'm not certain how GAE handles 30-second-per-request limit. Is it even possible to reference the same PM between requests?

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  • How do I set a Jabber status with python-xmpp?

    - by snostorm
    How do I set a GChat or jabber status via python? Right now I've got this: import xmpp new_status = "blah blah blah" login = 'email' pwd = 'password' cnx = xmpp.Client('gmail.com') cnx.connect( server=('talk.google.com',5223) ) cnx.auth(login, pwd, 'botty') pres = xmpp.Presence() pres.setStatus(new_status) cnx.send(pres) It executes, but the status is not updated. I know I'm connecting to the server successfully, as I can send chat messages to others. What am I doing wrong here?

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  • How to unit test chrome extensions?

    - by swampsjohn
    Is there a good way to do this? I'm writing an extension that interacts with a website as a content script and saves data using localstorage. Are there any tools, frameworks, etc. that I can use to test this behavior? I realize there are some generic tools for testing javascript, but are those sufficiently power to test an extension?

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  • How can I get a static URL to a map image using the Google Static Maps API?

    - by Argote
    === BACKGROUND === Hello, so I've published a Web-App (still in "Beta") which uses the Flickr API to get information for the photos of a particular Flickr user and generates IPB code to post any of his/her images. While Flickr now gives you the IPB code to show the image and link back to the photo site directly on its site, my App also has the option of embeding the title, description, select EXIF data, location information, etc. into the post for the IPB forum. === PROBLEM === I've most recently added the option to integrate a Google Maps image of the photo's geolocation data into the post by using the Google Static Maps API. The problem is that the image URL I have is in the following form (including IPB [IMG] tags): [IMG]http://maps.google.com/maps/api/staticmap?zoom=16&size=600x600&maptype=hybrid&markers=19.387687,-99.251732&sensor=false[/IMG] Which shows this example image (In practice the image size is user selectable): However, some IPB forums seem to not support dyamic image URLs which gives me a broken image, I'd like to replace the [IMG]http://maps.google.com/maps/api/staticmap?zoom=16&size=600x600&maptype=hybrid&markers=19.387687,-99.251732&sensor=false[/IMG] with something like [IMG]http://maps.google.com/maps/api/staticmap/map0000001.png[/IMG] which should be supported by all IPB forums. Thanks in advance for your help. In case you're interested, the most recent "released" version of my Web-App can be found here: http://flickr.argote.mx/ (The changes I mention here are still on local development server).

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  • How can developers use a similar tracking link to Google's results page?

    - by Peter Jones
    I've read heaps of pages of people trying to implement some kind of tracking system similar to the way Google reroutes search link. Eg: Search "Facebook" in Google, open in a new window, and the link changes to something like: "http://www.google.com.au/url?sa=t&source=web&cd=1&ved=0CBkQFjAA&url=http%3A%2F%2Fwww.facebook.com%2F&rct=j&q=Facebook&ei=sksZTZexJobJccXnxZYK&usg=AFQjCNHTTNi-O4Qgrg6kvGVfKJuRqbuOKw&cad=rja" I'm guessing Google tracks that click and then redirects to the actual site by reading the url parameter. What I wanted to know is if there was a simple way that you can make this kind of functionality work using an onclick event - just change the link href after being clicked to redirect? There's a few threads, but from what I could find, nobody has actually succeeded without problems or limitations. Thanks in advance.

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  • How to generate a mixed-case hash in Python?

    - by pyrony
    I am having a hard time figuring out a reasonable way to generate a mixed-case hash in Python. I want to generate something like: aZeEe9E Right now I'm using MD5, which doesn't generate case-sensitive hashes. What is a good way to generate a hash value consisting of upper- and lower- case characters + numbers?

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  • DeprecationWarning when pushing to Mercurial repo

    - by Josh Nankin
    I'm trying to serve a merurial repository with apache, and when I try to push to the repo I see this in the apache error.log. On the client side I get a 500 error. How do I get this to go away???? [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/common.py:24: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] self.message = message [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/hgweb_mod.py:104: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] if not inst.message: [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/hgweb_mod.py:106: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] return '0\\n%s\\n' % inst.message,

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  • Pass variables to current tab via chrome extension

    - by iamthejeff
    I am writing my first chrome extension, and I want to pass a variable to the currently opened tab and manipulate the DOM with it. My extension has a button, and when clicked, is executing this code: chrome.tabs.getSelected(null, function(tab) { chrome.tabs.executeScript(tab.id, { file: 'tabscript.js' }); }); This works fine, but I see no way to pass a variable to tabscript.js so it can be used on the opened tab.

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  • Python 2D list has weird behavor when trying to modify a single value...

    - by Brian
    Hi guys, So I am relatively new to Python and I am having trouble working with 2D Lists. Here's my code: data = [[None]*5]*5 data[0][0] = 'Cell A1' print data and here is the output (formatted for readability): [['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None]] Why does every row get assigned the value?

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  • How do I setup a Python development environment on Linux ?

    - by Rob Sobers
    I'm a .NET developer who knows very little about Python, but want to give it a test drive for a small project I'm working on. What tools and packages should I install on my machine? I'm looking for a common, somewhat comprehensive, development environment. I'll likely run Ubuntu 9.10, but I'm flexible. If Windows is a better option, that's fine too.

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  • Why does Windows Firewall want to block Google Chrome today?

    - by hippietrail
    I've been using the same public Wi-Fi (staying in a guesthouse) for over a week now. But this morning for the first time I got this puzzling warning from Windows Firewall: Why does Windows Firewall want to block one of the world's most popular web browsers today after being fine with it for years, and being fine with it on this connection for a week? Could it hinge on the words, some features? If so could it be something like a rare or new feature of Chrome that uses a different HTTP port? And if so why doesn't the security alert tell me any more about it? Or could it be a known bug in Windows Firewall? Or perhaps a known virus etc attaching itself to Google Chrome? Or is there a chance it's related to "Other browser makers follow Google's lead, revoke rogue certificates"? I haven't restarted Chrome for days and have downloaded but not installed a Windows update from a few days ago. So I'm not sure what may have managed to change on my machine since yesterday.

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  • How to fetch and populate backbone model for Google Places JS API?

    - by code-gijoe
    I'm implementing a system that require access to Google Places JS API. I've been using rails for most of the project, but now I want to inject a bit of AJAX in one of my views. Basically it is a view that displays places near your location. For this, I'm using the JS API of Google places. A quick workflow would be: 1- The user inputs a text query and hits enter. 2- There is an AJAX call to request data from Google Places API. 3- The successful result is presented to the user. The problem is primarily in step 2. I want to use backbone for this but when I create a backbone model, it requests to the 'rootURL'. This wouldn't be a problem if the requests to Places was done from the server but it is not. A place call is done like this: service = new google.maps.places.PlacesService(map); service.nearbySearch(request, callback); Passing a callback function: function callback(results, status) { if (status == google.maps.places.PlacesServiceStatus.OK) { for (var i = 0; i < results.length; i++) { var place = results[i]; createMarker(results[i]); } } } Is it possible to override the 'fetch' method in backbone model and populate the model with the successful Places result? Is this a bad idea?

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  • Windows + Django + mod_wsgi = "DLL load failed"

    - by Kyle MacFarlane
    For a long time I was using Python 2.5 to do all this fine but recently upgraded to 2.7 since building stuff for 2.5 is a real pain. I also updated mod_wsgi to 3.3 for Python 2.7. Everything is working fine with Apache + mod_wsgi on CentOS and also in the Django runserver on both Windows and CentOS, but not with Apache + mod_wsgi on Windows. Whenever I try to access a page in my Django app I get the following (note that Apache starts fine): ImportError at / DLL load failed: The specified module could not be found. Which is caused by things like: from Crypto.Cipher import AES Etree and others cause the exact same error and it is not limited to any specific packages. Anything with pyd files fails. Googling around suggests reinstalling Python "for all users", but the installer doesn't give you that option anymore anyway. For good measure I've tried reinstalling Python 2.7 as an administrator and also told it to register itself as the default version of Python but neither helped. I think the solution might have something to do with: The fact that I have 2.5, 2.6 and 2.7 installed on this machine and mod_wsgi might be loading the DLLs for 2.5 instead of 2.7. Something to do with WSGIPythonPath, which I usually don't need to set.

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  • How to obtain Bing maps like InfoWindow in Google Maps?

    - by BillB
    I'm using Google Maps v3. I really like the InfoWindows found in Bing, as opposed to Google. Screenshots & functionality found here comparing the two: http://www.axismaps.com/blog/2009/07/data-probing-and-info-window-design-on-web-based-maps/ Question: How can I replicate Bing like InfoWindows while using Google Maps v3? UPDATE: To be more specific, what I like about Bing's InfoWindows include: - The pointer dynamically changes sides from left/right/bottom/top, as opposed to Google limited to only have the InfoWindow pointer on the bottom - Bing's InfoWindows use less space - You can configure Bing's InfoWindows to pop up outside of the map bounders so that you don't have to autopan the map to display the marker's InfoWindow

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  • How to send a EML file as email using python script to list of emails one at a time?

    - by affan
    I want to write a simple python script that send a EML file exported from Outlook though given smtp server as email to a given list of emails. I know how to send a simple email but sending a EML file as email is not something i could do and could not find it on Google. Can anyone help me with that. The EML file is actually in HTML format with embedded images. Any alternate suggestion is also welcome.

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  • C++ to python communication. Multiple io streams?

    - by Dennis Kempin
    A python program opens a new process of the C++ program and is reading the processes stdout. No problem so far. But is it possible to have multiple streams like this for communication? I can get two if I misuse stderr too, but not more. Easy way to hack this would be using temporary files. Is there something more elegant that does not need a detour to the filesystem? PS: *nix specific solutions are welcome too

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