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  • how to make a thread of never stop, and write something to database every 10 second..

    - by zjm1126
    i using gae and django this is my code: class LogText(db.Model): content = db.StringProperty(multiline=True) class MyThread(threading.Thread): def __init__(self,threadname): threading.Thread.__init__(self, name=threadname) def run(self,request): log=LogText() log.content=request.POST.get('content',None) log.put() def Log(request): thr = MyThread('haha') thr.run(request) return HttpResponse('')

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  • How the websocket bi-directional concept work?

    - by GMsoF
    I think the main difference between websocket and http streaming (I am not refering to polling and long polling) is websocket allows bi-directional communication which is similar to usual raw socket programming. (above is my understanding, could be wrong, feel free to correct me.) My question is how the web client (browser) continue to send another request in the already-opened websocket? Usual http request will treat another request as new socket connection, but websocket does not, that is why I am confused, how it achieve that? It should be handled in Server side or Client (browser) side?

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  • Chrome: Flash Video Player doesn't work

    - by Patrick
    hi, could you explain me why my flash video player doesn't work in Chrome while it perfectly works in other browsers ? (Firefox and IE) This is the link: http://www.sanstitre.ch/drupal/portfolio?tid[0]=66 You'll see it flickering... thanks

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  • Remove Chrome Loading Notification?

    - by Yottagray
    I am working on a project that runs in Chrome in full-screen mode and displays data that can be edited and interacted with. It makes AJAX calls(using jQuery) frequently that cause a loading notification in the lower left-hand corner on the bottom of the screen to pop up. These notifications are distracting when you are viewing the display and I would like to remove/prevent Chrome from displaying these loading notifications at all. Is it possible to prevent these notification by any means, or perhaps even mask the javascript that causes these notifications?

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  • GAE JCache NumberFormatException, will I need to write Java to avoid?

    - by Jasper
    This code below produces a NumberFormatException in this line: val cache = cf.createCache(Collections.emptyMap()) Do you see any errors? Will I need to write a Java version to avoid this, or is there a Scala way? ... import java.util.Collections import net.sf.jsr107cache._ object QueryGenerator extends ServerResource { private val log = Logger.getLogger(classOf[QueryGenerator].getName) } class QueryGenerator extends ServerResource { def getCounter(cache:Cache):long = { if (cache.containsKey("counter")) { cache.get("counter").asInstanceOf[long] } else { 0l } } @Get("html") def getHtml(): Representation = { val cf = CacheManager.getInstance().getCacheFactory() val cache = cf.createCache(Collections.emptyMap()) val counter = getCounter(cache) cache.put("counter", counter + 1) val q = QueueFactory.getQueue("query-generator") q.add(TaskOptions.Builder.url("/tasks/query-generator").method(Method.GET).countdownMillis(1000L)) QueryGenerator.log.warning(counter.toString) new StringRepresentation("QueryGenerator started!", MediaType.TEXT_HTML) } } Thanks!

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  • GAE app.yaml appears to be inconsistently routing requests

    - by kamens
    I have the following in app.yaml: - url: /gae_mini_profiler/static static_dir: gae_mini_profiler/static - url: /gae_mini_profiler/.* script: gae_mini_profiler/main.py - url: .* script: main.py and the following in gae_mini_profiler/main.py: def main(): logging.critical("gae_mini_profiler request!") run_wsgi_app(application) However, when I fire requests to, say, /gae_mini_profiler/request?request=ABC, and repeatedly reload the page, sometimes I will get the proper response (as well as a "gae_mini_profiler request!" log entry, and sometimes I get a blank response and nothing in the App Engine logs other than a 200 with an empty response body. This is completely reproducible, only happens in the live environment, and I'd say ~50% of the refreshes work while 50% do not. This only happens in production. Any ideas?

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  • Running the same code for get(self) as post(self)

    - by Peter Farmer
    Its been mentioned in other answers about getting the same code running for both the def get(self) and the def post(self) for any given request. I was wondering what techniques people use, I was thinking of: class ListSubs(webapp.RequestHandler): def get(self): self._run() def post(self): self._run() def _run(self): self.response.out.write("This works nicely!")

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  • Setting cookie in LiftFilter

    - by Gero
    Hi, How do I set a cookie in a LiftFilter.doFilter method? I tried to set the cookie as follows (stripped some code): class AuthenticationFilter extends LiftFilter { override def doFilter(request: ServletRequest, response: ServletResponse , chain: FilterChain) { val cookie = new HTTPCookie("SomeCookie", Full("" + System.nanoTime), Empty, Full("/authentication"), Full(60 * 60 * 24 * 14), Empty, Empty) cookie.setPath("/somePath") S.addCookie(cookie) val httpResp = response.asInstanceOf[HttpServletResponse] httpResp.sendRedirect("/some/page.html") } } However, when I check the browsers cookie, no cookie is set (apart from JSESSIONID), and I know the doFilter method is being executed because of logging messages and the fact that the browser is redirected to /some/page.html. I'm using Scala 2.8, Lift 2.1-SNAPSHOT and the app is running is GAE (1.3.6, only tested on dev_appserver so far). Any ideas? Thanks, Gero

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  • Are reads and (transactional) writes faster for entities of the same group than otherwise?

    - by indiehacker
    What advantage is there to designing child-parent relationships, which allow us to do writes in transactions, when there is never a real concern for consistency and contention and those sort of more complex issues? Does it make writes and reads faster? Consider my situation where there are many .png images that are referenced to one mosaic layer, and these .png images are written just once by a single user. The user can design many mosaic layers and her mosaic layers and referenced image entities are never changed/updated, they are just deleted some time in the future. Other users can come to the web project site and interactively view the mosaic layer as different layouts/configurations of the images as they play (query) with different criteria. So reads should be very fast. So there is no real worry of contention, or users conflicting with one another with writing new image entities. And because of that I am assuming there is no "requirement" for the .png image entities to be grouped by their same mosaic layer in child-parent relationship. However, perhaps, since the documentation says they are stored close to one another, if the many image entities were grouped as children to a single mosaic layer parent than this has the advantage that the writing (in transaction) and reading will happen much faster?

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  • Get node name with minidom

    - by Alex
    Is it possible to get the name of a node using minidom? for example i have a node: <heading><![CDATA[5 year]]></heading> what i'm trying to do is store the value heading so that i can use it as a key in a dictionary, the closest i can get is something like [<DOM Element: heading at 0x11e6d28>] i'm sure i'm overlooking something very simple here, thanks!

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  • GAE/J datastore backup

    - by jb
    What is the easiest way to do a GAE/J datastore backup? It looks like there is python bulkloader.py tool to do backup for Python apps, but what should I do to backup Java app? Is there any way to use python tool?

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  • mailto: anchor links unloading html5 video in Chrome

    - by Robin Pyon
    I have a very simple page with a <video> tag and an email anchor link: http://jsfiddle.net/6GquX/3/ Clicking the email link in Chrome (OS X 10.8 + Win7, 23.0.1271.97) invokes the beforeunloadchange event and causes the video to unload, which isn't the desired outcome. Curiously enough, if I let the video buffer a bit and then click the email link, the video keeps playing and doesn't unload. To my knowledge this only occurs in Chrome and I'm truly at a loss. Visiting any HTML5 video player site (videojs, flowplayer etc), starting a HTML5 video and then immediately simulating an email click with document.location.href = "mailto:[email protected]" in the dev console yields the same error. However, I'm inclined to think it's the way in which the video has been encoded as I'm unable to recreate the above with a video downloaded from YouTube's HTML5 player: http://jsfiddle.net/6GquX/4/ (source) 1. Is it possible that YouTube are encoding their videos in a particular way to combat this? 2. Are there any strategies / hacks I can employ to get around this?

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  • Mailto links are not working in Chrome

    - by sfoatl
    Mailto links are not working at all in Chrome (8.0.552.224). These links are working in IE 7&8, Safari, and Firefox. In Chrome, we are clicking on mailto links (we have tested this about 25 times now), and things just go into the ether. In all other browsers, we click on the mailto links, they open up email clients (gmail, outlook, and others), and we can send the email. But in Chrome, we click the mailto links and nothing happens...

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  • Change cookies when doing jQuery.ajax requests in Chrome Extensions

    - by haskellguy
    I have wrote a plugin for facebook that sends data to testing-fb.local. The request goes through if the user is logged in. Here is the workflow: User logs in from testing-fb.local Cookies are stored When $.ajax() are fired from the Chrome extension Chrome extension listen with chrome.webRequest.onBeforeSendHeaders Chrome extension checks for cookies from chrome.cookies.get Chrome changes the Set-Cookies header to be sent And the request goes through. I wrote this part of code that shoud be this: function getCookies (callback) { chrome.cookies.get({url:"https://testing-fb.local", name: "connect.sid"}, function(a){ return callback(a) }) } chrome.webRequest.onBeforeSendHeaders.addListener( function(details) { getCookies(function(a){ // Here something happens }) }, {urls: ["https://testing-fb.local/*"]}, ['blocking']); Here is my manifest.json: { "name": "test-fb", "version": "1.0", "manifest_version": 1, "description": "testing", "permissions": [ "cookies", "webRequest", "tabs", "http://*/*", "https://*/*" ], "background": { "scripts": ["background.js"] }, "content_scripts": [ { "matches": ["http://*.facebook.com/*", "https://*.facebook.com/*"], "exclude_matches" : [ "*://*.facebook.com/ajax/*", "*://*.channel.facebook.tld/*", "*://*.facebook.tld/pagelet/generic.php/pagelet/home/morestories.php*", "*://*.facebook.tld/ai.php*" ], "js": ["jquery-1.8.3.min.js", "allthefunctions.js"] } ] } In allthefunction.js I have the $.ajax calls, and in background.js is where I put the code above which however looks not to run.. In summary, I have not clear: What I should write in Here something happens If this strategy is going to work Where should I put this code?

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  • jquery ajax problem in chrome

    - by spaceman
    i have the following jquery code running on my page just fine in FF and IE, but chrome seems to be freaking out.. in FF and IE the call is made and the result is appended to the div. in chrome, it calls ajaxfailed on failure. the XMLHttpRequest passed to the AjaxFailed function has a status code of "200" and the statusText is "ok". the readystate is 4 and the responseText is set to the data i wish to append to the div.. basically from what i can see its calling the failure method but it isn't failing.. i have tried with both get and post requests and it always breaks in chrome. function getBranchDetails(contactID, branchID) { $.ajax({ type: "GET", url: urlToRequestTo, data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: branchDetailsSuccess, error: AjaxFailed }); } function branchDetailsSuccess(result) { $("#divBranchControl").empty(); $("#divBranchControl").append(" " + result); $("#branchDiv").tabs(); } function AjaxFailed(result) { alert("FAILED : " + result.status + ' ' + result.statusText); }

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  • Automatically save CSS changes made to existing styles in Chrome dev tools?

    - by styke
    I've already mapped the necessary files to the local resource - however, while that does allow me to save any changes made to a file in the Sources panel, I was wondering if it's possible to automatically save changes to CSS made in the Elements panel. Otherwise at the moment, any changes made to the style in the Elements panel seem to exist only there. I remember at some point there used to be a little indicator of the file and line number next to a class/id etc. in the Styles tab of the Elements panel - surely it can't be that hard to simply 'update' any changes to that style rule considering Chrome knows exactly where it's coming from (in the case that it's a stylesheet and not an inline style?). It would be a great relief to my workflow. The answers to this similar question are obsolete.

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