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  • Is there a way to turn on some sort of JVM logging so I can see whats happening during classloading

    - by Spines
    I'm trying to optimize the startup time/class loading time of my Java web app because its on the Google App Engine and startup time is important. Is there a way I can turn on some sort of class loading debug messages or someway to see where time is being spent while class loading? I want to see if any specific libraries take a while to load and then get rid of them if they aren't essential.

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  • Troubleshooting Facebook's graph.put_object that returns error 400

    - by TimLeung
    I am using Facebook Python's SDK along with Google App Engine, and making a call to do a checkin: graph.put_object("me", "checkins", message="Hello, world", place="165039136840558", coordinates='{"latitude":"38.2454064", "longitude":"-122.0434404"}') However, this throws an error 400 Bad Request and I don't seem to be able to try catch it so I can have the important information. On a bad request, Facebook should return, an object like below which can help troubleshoot and address the issue, but I am not sure how I can retrieve this object: { "error": { "type" : "OAuthException", "message" : "An active access token must be used to query information about the current user." } }

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  • I want to scrape a site using GAE and post the results into a Google Entity

    - by cozza
    I want to scrape this URL : https://www.xstreetsl.com/modules.php?searchSubmitImage_x=0&searchSubmitImage_y=0&SearchLocale=0&name=Marketplace&SearchKeyword=business&searchSubmitImage.x=0&searchSubmitImage.y=0&SearchLocale=0&SearchPriceMin=&SearchPriceMax=&SearchRatingMin=&SearchRatingMax=&sort=&dir=asc Go into each of the links and extract out various pieces of information e.g. permissions, prims etc then post the results into a Entity on google app engine. I want to know the best way to go about it? Chris

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  • auto updating software on cloud.

    - by iamgopal
    I know wordpress,joomla,drupal etc ( most of php_mysql stack ) can auto detect update in software itself or/and plugin and either ask for user permission to update or auto update it. How to do similar thing on google app engine like cloud computing ? I am creating an open source software which is targeted towards non-computer people. who can not clone my code and update their application easily. what is the easier way to do this ?

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  • Apache Lucene or another Search in iPhone app

    - by lostInTransit
    Hi I would like to implement a search functionality within my iPhone app which can search for terms within all the documents in the application. I believe I cannot use Apache Lucene directly since it is in Java. Can I use Lucy which is a C port of Lucene (not sure if Perl and Ruby would work on it)? Or is there any other open-source search engine which I can use in my iPhone app for search within the app? Thanks

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  • gae error : Error: Server Error, how to debut it .

    - by zjm1126
    when i upload my project to google-app-engine , it show this : Error: Server Error The server encountered an error and could not complete your request. If the problem persists, please report your problem and mention this error message and the query that caused it. why ? how can i debug this error ? thanks

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  • Porting a Grails application to GAE

    - by xain
    Hi, I currently have a Grails application I'm evaluating to port to Google App Engine and I'd like to know experiences regarding: Acegi security: the application relies on this library to enforce the security. Use of JPA or JDO instead of the hibernate plugin (I'll have to migrate the Domain classes); which one is better ? I have a growing number of pre-generated pdf files I keep uploading; is there any foreseeable problem with this? Thanks in advance.

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  • HTML parser for GAE

    - by Richard
    Generally I use lxml for my HTML parsing needs, but that isn't available on Google App Engine. The obvious alternative is BeautifulSoup, but I find it chokes too easily on malformed HTML. Currently I am testing libxml2dom and have been getting better results. Which pure Python HTML parser have you found performs best? My priority is the ability to handle bad HTML over speed.

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  • Why does the task name contain "now / 30"?

    - by Jaroslav Záruba
    In the video/PDF from "Data pipelines with Google App Engine" Brett puts "now / 30" into the task name noting that he will explain the reason later, but somehow he never does. :) http://www.youtube.com/watch?v=zSDC_TU7rtc#t=41m35 task_name = '%s-%d-%d' % (sum_name, int(now / 30), index) Do you have any idea about the reason? Does it have anything to do with the 7 day period in which one can't re-use task names? URL to the session page: http://tinyurl.com/3523mej

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  • How to save a stream on google drive?

    - by atu0830
    My application running on google app engine, so can not use File. I want to save a pdf file on other site to google drive, but get a IllegalArgumentException file.setMimeType("application/pdf"); mediaContent = new InputStreamContent(file.getMimeType(), url.openStream()); try { File result = getDrive().files().insert(file, mediaContent) .execute(); return result.getId(); } catch (Exception e) { e.printStackTrace(); } Thanks

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  • Can search engines index JavaScript generated web pages?

    - by Roy
    Can search engines such as Google index JavaScript generated web pages? When you right click and select view source in a page that is generated by JavaScript (e.g using GWT) you do not see the dynamically generated HTML. I suppose that if a search engine also cannot see the generated HTML then there is not much to index, right?

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  • Spark show logged in user

    - by Jose
    How do I show the username of the person logged in within a Spark View? The default MVC view engine had a Page object that you could get the info from. How would I do that in spark? I know that I could put the info into the viewdata dictionary, which is probably the best, but I don't want to have to write ViewData["User"] = myUser; before I return from EVERY action method. I'd like some feedback

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  • How do I use a spark variable in an html helper?

    - by Quintin Par
    Can I use a spark variable inside an html helper? Say we have <var url="Url.Action(“get”)" /> !{Html.Image("~/Content/up.png")} Now if I need to use the url inside Html.Image as an attribute(part of the 2nd param) to get <img src="~/Content/up.png" type="~/engine/get" /> how do I go about doing it?

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  • C++ HTML template framework, templatizing library, HTML generator library

    - by Marcin Gil
    I am looking for template/generator libraries for C++ that are similar to eg. Ruby's Erb, Haml, PHP's Smarty, etc. It would be great if I it would sport some basic features like loops, if/else, int conversion to strings, etc. Parameter passing to template rendering engine is also important if I could pass all of them in a hash map instead of calling some function for each of parameters. Do you have any recommendations? I can see also the possibility of embedding languages like Lua, however I haven't found a templatizing library for that either. Thanks!

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  • GWT now has spring roo support, what will this mean to GWT developers?

    - by Mark M
    I have been using GWT with App Engine for a while now. Recently there was an announcement that GWT will support Spring Roo and SpringSource Tool Suite (http://googlewebtoolkit.blogspot.com/2010/05/gwt-21-milestone-1-is-now-available.html). I am having trouble seeing the big picture from the Google announcement page. For those without much knowledge of Spring what does this mean for GWT developers used to building swing-like gui's?

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  • The future of cloud computing? [closed]

    - by Vimvq1987
    As far as I know, cloud computing is growing rapidly. Amazon EC2, Google App Engine, Microsoft Windows Azure...But I can't imagine how cloud computing will change the world. Will cloud computing will play the main role in software industry? Will our data be stored at one place and then can be accessed from any where? Shall we need powerful PCs no more because everything will be processed at "cloud"? Thank you so much

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  • Emulating a "OR" condition in Datastore.

    - by Jelle
    Hello again, I'm using the Google App Engine with Python (Django). How to emulate "SELECT * FROM bla WHERE touser = common.userstats("key") OR fromuser = common.userstats("key") ORDER BY date ASC"? I was thinking of something like this, but I can't get it in the order I want. recievedlist = models.P1.all() recievedlist.filter("touser =", common.userstats("key")) plus1list = recievedlist.fetch(50) sendlist = models.P1.all() sendlist.filter("fromuser =", common.userstats("key")) plus1list += sendlist.fetch(50) # order plus1list

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  • Is a JID a user identifier as well as an application address?

    - by zxc
    In the App Engine docs, a JID is defined like this: An application can send and receive messages using several kinds of addresses, or "JIDs." On Wikipedia, however, a JID is defined like this: Every user on the (XMPP) network has a unique Jabber ID (usually abbreviated as JID). So, a JID is both a user identifier and an application address?

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  • NO METHOD ERROR in rails i am new new for rails

    - by sharath
    the extracted source is below Showing /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/templates/rescues/diagnostics.erb where line # raised: private method `gsub' called for #<NoMethodError: undefined method `closed?' for nil:NilClass> Extracted source (around line #): RAILS_ROOT: /home/sharath/Desktop/RORWorkspace/ITPLOW1 It was working before installing Sunspot: A Solr-Powered Search Engine for Ruby i am working in ubuntu 10.4

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  • gae error : Error: Server Error, how to debug it .

    - by zjm1126
    when i upload my project to google-app-engine , it show this : Error: Server Error The server encountered an error and could not complete your request. If the problem persists, please report your problem and mention this error message and the query that caused it. why ? how can i debug this error ? thanks

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  • Which jsPerf-test should I consider as standard for checking the performance of javascript template-engines

    - by bhargav
    I am on a search for a javascript template engine that has good performance when used in large js applications and is also very suitable for mobile applications. So I have gone through the various jsPerf-tests for these. There seems to be a lot which show different results and it is confusing to find out which is the standard test. Can some one guide me a standard jsPerf that I can refer to and that should also include following templates dust, underscore, hogan, mustache, handlebars. From what I have observed dot.js is a constant performer with good rendering speed, but is it mature enough for larger applications ? What is this "with" and "no with" that is shown in the jspref tests? Can some one explain. In all the tests I have seen popular templates like mustache, handlebars, dust, hogan,etc seems to be behind performance than other templates, so why people are using them leaving out the top performers,is it because of maturity of these template engines? Thanks in advance

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  • how to send sms from web app with twilio in java

    - by user2614804
    Hi I'm new to Twilio and want to know how How to send an SMS from a GAE web app with Twilio using JAVA ? I've executed the example on their website as Java app and it works. https://www.twilio.com/docs/quickstart/java/sms/sending-via-rest When I want to make the same in a Java Google App Engine app, it don't and it display a message ("The method GET is not supported") Can someone share a step by step tutorial on how to make my Java GAE webb app to send SMSes please ? Thanks

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