QNETWORKACCESSMANAGER avoid caching

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• navigation pane + network address

  void ApplicationUI::help() {
      qDebug() << "help";
      try
      {
          qDebug() << "here";
          QmlDocument *qml = QmlDocument::create("asset:///Help.qml").parent(this);
  
          // Create root object for the UI
  
          // AbstractPane *root = qml->createRootObject();
          Page *new_Page = qml->createRootObject();
          //  AbstractPane *oldScene = Application::instance()->scene();
          //  myNavi = oldScene->findChild("guestMenuNavigation");
          myNavi2 = dynamic_cast(root);
          //  myNavi2 = root->findChild("guestMenuNavigation");
          if (myNavi2){
              myNavi2->push(new_Page);
              Application::instance()->setScene(myNavi2);
          }else{
              qDebug() << "Unable find NavigationPane";
          }
  
          QNetworkAccessManager* netManager = new QNetworkAccessManager(this);
          qDebug() << "here1";
          const QUrl url("http://demo.netvariant.com/alkhaliji/mobile/data/categories.json");
          QNetworkRequest request(url);
  
          QNetworkReply* reply = netManager->get(request);
          bool ok = connect(reply, SIGNAL(finished()), this, SLOT(onReplyFinished()));
          Q_ASSERT(ok);
          Q_UNUSED(ok);
  
      }
      catch(...)
      {
  
      }
  }
  
  void ApplicationUI::onReplyFinished()
  {
      qDebug() << "here2";
      QNetworkReply* reply = qobject_cast(sender());
  
      QString response;
      if (reply) {
          if (reply->error() == QNetworkReply::NoError) {
              const int available = reply->bytesAvailable();
              if (available > 0) {
                  const QByteArray data(reply->readAll());
                  //  QVariant jsonva(QString(data)); //= Json::parse(QString(data), true);
                  // JsonDataAccess json = JsonDataAccess::loadFromBuffer(QString(data));
                  JsonDataAccess jda;
                  QVariant jsonva = jda.loadFromBuffer(QString(data));
                  //QVariantList list = jsonva.toList;
                  QVariant list = jsonva;
                  emit buildList(list);
                  qDebug() << "here3";
              }
          }
          reply->deleteLater();
      }
  }
  void ApplicationUI::buildList(QVariant list) {
      qDebug() << "here4";
      bb::cascades::QVariantListDataModel *listModel =
              new QVariantListDataModel();
      ListView* custList = root->findChild("customList");
      if (custList != NULL) {
          QVariantMap map;
          qDebug() << "here5";
          qDebug() << "unknown state";
  
          QVariantMap childJsonv1a = list.toMap();
          QVariantMap childJsonva2 = childJsonv1a["DATA"].toMap();
          QVariant childJsonva = childJsonva2["categories"];
          QVariantList childList = childJsonva.toList();
          for (QList::iterator it = childList.begin();
                  it != childList.end(); it++) {
              qDebug() << "here6";
              map = it->toMap();
              //  map["negativeBalance"] = map.value("availableBalance").toString().startsWith("-");
              listModel->append(map);
          }
          ActivityIndicator *mActivityIndicator = root->findChild<
                  ActivityIndicator*>("activityIndicator");
          mActivityIndicator->stop();
          qDebug() << "here7";
          custList->setDataModel(listModel);
      }
  }
  

  Help.QML

  import bb.cascades 1.0
  
  Page {
      Container {
  
          Container {
  
              preferredWidth: Infinity
              background: style.black
              TopBar {
                  id: bar
                  layoutProperties: StackLayoutProperties {
                      spaceQuota: -1
                  }
              }
              layoutProperties: StackLayoutProperties {
                  spaceQuota: -1
              }
          }
          NetworkActivity {
              id: progressIndicator
  
              horizontalAlignment: HorizontalAlignment.Fill
              verticalAlignment: VerticalAlignment.Fill
          }
          Container {
              topPadding: 20
              ListView {
                  objectName: "customList"
                  id: customList
                  listItemComponents: [
                      ListItemComponent {
                          Container {
                              id: itemRoot
                              background: ListItem.selected ? Color.Transparent : Color.Transparent
                              Container {
                                  leftPadding: 30
                                  topPadding: 10
                                  rightPadding: 10
                                  bottomPadding: 10
  
                                  layout: StackLayout {
                                      orientation: LayoutOrientation.LeftToRight
                                  }
                                  Container {
                                      layout: StackLayout {
                                          orientation: LayoutOrientation.TopToBottom
                                      }
                                      layoutProperties: StackLayoutProperties {
                                          spaceQuota: 1
                                      }
                                      Label {
                                          text: ListItemData.label
                                          textStyle.base: SystemDefaults.TextStyles.TitleText
                                          textStyle.color: Color.create("#ff333333")
                                      }
                                  }
                                  Container {
                                      verticalAlignment: VerticalAlignment.Center
                                      horizontalAlignment: HorizontalAlignment.Right
                                      layout: StackLayout {
                                          orientation: LayoutOrientation.LeftToRight
                                      }
                                      ImageView {
                                          imageSource: "asset:///images/ic_right_arrow.png"
                                      }
                                  }
                              }
                              Container {
                                  background: Color.create("#ffE0E0E0")
                                  preferredHeight: 1
                                  Divider {
                                      maxHeight: 1
                                      minHeight: 1
  
                                  }
                              }
                          }
  
                      }
  
                  ]
                  onTriggered: {
  
                  }
              }
          }
  }
  attachedObjects: [
      Style {
          id: style
      }
  ]
  }
  

  the solution is page var = help.createObject ();
  guestMenuNavigation.push (page);

  using this instead of using c++ to push and pop. The question, I have no qnetworkmanager of work by caching... How avoid caching?

• Cannot test the film to animate. Open a new tab in the browser instead.

  When I try to test my movie (Ctrl + enter / Ctrl + return) it opens a new tab in my browser instead of inside to animate it. When I try to change it, 'in the browser"is checked, and" animate"is grayed out.

  

  I use a HTML5 canvas. Help, please?

  It's normal. You test something that will eventually be on a web site. Animate sets up a temporary server for testing.

  One thing you will notice, so I'll explain it now too, repeated test movies will give you new tabs, rather than reload the existing tab. This is to avoid caching problems. When you have finished doing a test, close the tab, then the next test will be the only race.

  Tests at Animate are for AS3 projects.

• Publication of Animate sometimes adds a string of numbers after .js.

  I've been running into a one question on since I started to animate. After I publish a file, I go into the HTML file and you notice a string of the instance numbers one '? ' after the path to javascript.

  Any idea what could cause this problem?

  I am currently using build #15.1.0.201. I have a few built custom templates that I use to include meta data tags in the advertising banners that I created that I use...

  Any help would be greatly appreciated. It is seriously slowing my workflow every time I need to check a file after its publication.

  Thank you!

  

  Hello

  You'll see a random query params dummy attached to assets during test movie. This is done to avoid caching aggressive done by browsers which will also not updated your release of test. You will not see the query parameters if you publish the file(File>Publish).

  I hope this helps.

  Thank you!
  Mohan

• Transcoding in Encore

  I get a transcoding error when I try to burn a DVD.  I'm not changing anything in the way I did in the past.  Does anyone have any ideas as to why it does not work now?  Thank you.

  For dynamic binding, use the transcoding "now" to get the transcoded assets prior to a build. It makes the resolution of the problems.

  When you have imported the MPEG2-DVD as a timeline, which show the "Transcoding DVD status" column in the project Panel?

  Since it is a simple installation, no menu, there is nothing wrong with creating a new project (with a different name) to avoid caching problems.

• CACHE PROBLEM: How to avoid the browsers to load the version of the old site?

  Hi, I am wondering how to avoid browsers to load a cache version o a Web site. Whenever make us changes and upload them via FTP directly from Muse, the only way to see the changes visualizes the site in a private browser tab or wait a few days to see the normal mode.

  Is there a possibility of adding metadata in the properties of the page (html for the head) or something to push the browser not to save versions of cache and refresh constantly?

  Maybe... what I have to delete in FilleZilla all content and load again to see the changes immediately or that does not work either?

  Thank you!

  We cannot control the behavior of the browser for end of fonts of the site for users accessing the site, but about the refresh of the page, you can add snippet of javascript for automatic page refresh.

  http://StackOverflow.com/questions/4644027/how-to-automatically-reload-a-page-after-a-give n period of inactivity

  http://StackOverflow.com/questions/19807665/auto-refresh-for-every-5-mins

  Thank you

  Sanjit

• How to avoid the cache of the browser Mozilla Firefox?

  Hello
  
  Firefox cache is driving me crazy:
  
  -browser.cache.memory.enable
  -browser.cache.disk.enable
  
  Some reports return an incorrect value, because the browser cache is used... Firefox does not detect the changes!
  I don't want to ask all users of my application to these 2 settings set to false.
  
  Is there a way to avoid the cache?
  Or to change HTTP server setting?
  
  Thank you
  
  Thomas

  Hello

  Yep - you might want to open a new thread with "BUG" in the title, so that a person can pick this up.

  You can recreate this feature manually, if you wish:

  1 create an application to the element called G_UNIQUE_ID for example

  2 - create a PL/SQL application process that runs "Before Header". This could be something like:

  DECLARE
    vID NUMBER;
  BEGIN
    vID := TRUNC(DBMS_RANDOM.VALUE(1000000, 1000000000));
    :G_UNIQUE_ID := vID;
  END;
  

  1000000 and 1000000000 are low - and - upper limit of a random number

  3, and on the branch as part of the request, put:

  &G_UNIQUE_ID.
  

  Andy

• After having emptied my cache, if I register in a site with my name of user and password, I get "Would you like Firefox to remember this password" how to avoid this?

  I clear my cache frequently.
  Every time I empty my cache and proceed to the signing in the email, facebook... I get the same question all over again.

  "Would you like Firefox to remember this password"
  

  How can I permanently disable this?
  

  You can disable password manager if you want to never store a name and a password.

  • Tools > Options > Security: passwords: [] "Remember passwords for sites".

  Otherwise you can click on the key icon to the left of the address bar Firefox request to store a password and click on maybe ever to create an exception block.

  In case you use 'Clear history of Firefox closing' or otherwise to clear the history.

  • do not delete Site preferences
  • Tools > Options > privacy > Firefox will be: "Use the custom settings for history": [X] 'Clear history of Firefox closing' > settings
  • https://support.Mozilla.org/KB/remove-recent-browsing-search-and-download-history
  • Compensation of the "Site Preferences" clears all exceptions for cookies, images, pop-up windows, installation of software, passwords, and other specific data from Web site.
  • Deletion of Cookies will delete all selected cookies, including cookies with an exception to allow that you want to keep.

• Clear cache page after deletion to avoid errors ora-1403 Apex 5.01

  Hi all

  Always 'new' at Apex!

  I'm getting ORA-01403: no data available error after deleting a line in a 5.01 Apex form created from the interactive report + model form.

  After searching the forum, I found a direct reference to this situation:

  ORA-01403: no data available on the deletion of a record

  --------------------------------------------------------------------------------

  Denes Kubicek December 9, 2014 01:40 (in response to 2805872)

  After deleting a record, you must clear the page cache. If you do not have the primary key item session state can keep the old value of the deleted record. The page loading process will try to retrieve this value from the table and meet no data found.

  ---------------------------------------------------------------------------------

  Unfortunately, I do not know where or how to " " " clear the cache of the page ' after deleting a record.

  I saw the reverence to APEX_UTIL. CLEAR_PAGE_CACHE but I don't know where to use

  Others say still set the value of the key null column.

  The documentation of the Apex is said to use the URL:

  2.9.3.2.2 example: clear cache on a Page and passing an element value

  This example shows how to implement a form of update. It erases the existing information and sets the value of the element (usually a primary key).

  f?p=6000:6003:&APP_SESSION.::NO:6003:MY_ITEM:1234 

  This example:

  • Runs the application 6003 6000 page and uses the ID of the current session
  • Specifies to not show debug information ( NO )
  • Clears all values maintained by the current session for the items on page 6003 cache
  • Sets the State of an element called session MY_ITEM value1234

  But I do not know where or how to do that in the context of the key Suppr.

  Can someone point me in the right direction? I'm learning the Apex using as many integrates native as possible features.

  If clearing the cache of the page, that's what needs to be done after the removal of a line, would not these features have been integrated to the Delete key?

  Thank you

  Mason

  OK, after wandering in the desert for a while, I tried this approach to clear the cache once you press the button Delete and it doesn't seem to work.

  I created a new process called "Clear the cache" after the process of "line process of...» »

  The process to clear the cache was of type PL/SQL Code with the section of Code PL/SQL, the value 'APEX_UTIL. CLEAR_PAGE_CACHE (2); »

  I don't know if it's a good way to do this, or if the accepted practices, or what side effects will rain down on me that they are, but at least I got a result that has solved my immediate problem.

  So nice to click on delete and not greeted with an ORA-01403 error!

  Thanks to everyone who helped me in on it!

  Mason

• Avoid the Cache for a particular request

  Hello
  
  I have a dashboard with a line of dashboard and a report in the same section. I have to go to the database all the time for this report, then on the Advanced tab of the report, as a prefix, I'm using - define the variable disable_cache_hit = 1;
  The dashboard guest, has a field that is filled from the same table, but how do I build the dashboard line, disabale and go to the database cache?
  
  Thanks for your time and your help.

  Use SQL Show guests and ' set the variable disable_cache_hit = 1;' before your sql as
  Set the variable disable_cache_hit = 1; Select the column of the field

  Hope this helps

• How to avoid the absences of the Cache?

  Hello
  
  
  Before I explain the problem, it's my current setup.
  
  -Partitioned/distributed cache
  -JPA annotated classes
  -Support card linked to an oracle database
  -Objects are stored in the POF format
  -C++ extend clients
  
  When I ask something that does not exist in the cache, the JPA magic forms a query and assembles the object and which stores in the cache.
  
  However if the query returns no results so consistent returns a lack of cache. Our hierarchy of existing objects may request items that do not exist (this infrastructure is vast and entrenched and changing, it's not an option). This blows near the performance of cache out of the water.
  
  What I want to do is to intercept a lack of cache and store a null object in the cache on this key (null, it will be 4 bytes of length). Client code can interpret the null as a lack of cache object and everything will work as usual - however the null object is stored in the cache and close performance will return.
  
  My problem is, as the JPA annotated done any 'magic', I do not get to intercept if the query returns an empty set. I tried both triggers of card and listeners, but as expected they don't called as no result set is generated.
  
  Does anyone know of a port of entry where I can return an object to consistency in the case of a query that returns an empty set. I also want the option to configure this behavior on a per-cache basis.
  
  Any help gratefully received.
  
  Thank you
  Rich
  
  Published by: Rich Carless on January 6, 2011 13:56

  Hello

  If you use 3.6 you can do so by writing a subclass of JpaCacheStore that implements BinaryEntryStore or way more genric (that would be for other people who have asked similar questions recently) would be to write an implementation of BinaryEntryStore that wraps another cache store.

  Here's one that I hit until recently...

  package org.gridman.coherence.cachestore;
  
  import com.tangosol.net.BackingMapManagerContext;
  import com.tangosol.net.CacheFactory;
  import com.tangosol.net.DefaultConfigurableCacheFactory;
  import com.tangosol.net.cache.BinaryEntryStore;
  import com.tangosol.net.cache.CacheStore;
  import com.tangosol.run.xml.XmlElement;
  import com.tangosol.util.Binary;
  import com.tangosol.util.BinaryEntry;
  
  import java.util.Set;
  
  public class WrapperBinaryCacheStore implements BinaryEntryStore {
  
      private BackingMapManagerContext context;
  
      private CacheStore wrapped;
  
      public WrapperBinaryCacheStore(BackingMapManagerContext context, ClassLoader loader, String cacheName, XmlElement cacheStoreConfig) {
          this.context = context;
          DefaultConfigurableCacheFactory cacheFactory = (DefaultConfigurableCacheFactory) CacheFactory.getConfigurableCacheFactory();
          DefaultConfigurableCacheFactory.CacheInfo info = cacheFactory.findSchemeMapping(cacheName);
          XmlElement xmlConfig = cacheStoreConfig.getSafeElement("class-scheme");
          wrapped = (CacheStore)cacheFactory.instantiateAny(info, xmlConfig, context, loader);
      }
  
      @Override
      public void erase(BinaryEntry binaryEntry) {
          wrapped.erase(binaryEntry.getKey());
      }
  
      @SuppressWarnings({"unchecked"})
      @Override
      public void eraseAll(Set entries) {
          for (BinaryEntry entry : (Set)entries) {
              erase(entry);
          }
      }
  
      @Override
      public void load(BinaryEntry binaryEntry) {
          Object value = wrapped.load(binaryEntry.getKey());
          binaryEntry.updateBinaryValue((Binary) context.getValueToInternalConverter().convert(value));
      }
  
      @SuppressWarnings({"unchecked"})
      @Override
      public void loadAll(Set entries) {
          for (BinaryEntry entry : (Set)entries) {
              load(entry);
          }
      }
  
      @Override
      public void store(BinaryEntry binaryEntry) {
          wrapped.store(binaryEntry.getKey(), binaryEntry.getValue());
      }
  
      @SuppressWarnings({"unchecked"})
      @Override
      public void storeAll(Set entries) {
          for (BinaryEntry entry : (Set)entries) {
              store(entry);
          }
      }
  
  }
  

  You re like this using the JPA example in the tutorial of 3.6 consistency of...

  
      jpa-distributed
      JpaDistributedCache
      
          
              
                  
              
              
                  
                      org.gridman.coherence.cachestore.WrapperBinaryCacheStore
                      
                          
                              com.tangosol.net.BackingMapManagerContext
                              {manager-context}
                          
                          
                              java.lang.ClassLoader
                              {class-loader}
                          
                          
                              java.lang.String
                              {cache-name}
                          
                          
                              com.tangosol.run.xml.XmlElement
                              
                                  
                                      com.tangosol.coherence.jpa.JpaCacheStore
                                      
                                          
                                              java.lang.String
                                              {cache-name}
                                          
                                          
                                              java.lang.String
                                              com.oracle.handson.{cache-name}
                                          
                                          
                                              java.lang.String
                                              JPA
                                          
                                      
                                  
                              
                          
                      
                  
              
          
      
      true
  
  

  As you can see it the WrapperBinaryCacheStore takes four parameters cpnstructor (configured in the settings-init)
  

• First is the card holder frame
  
• Second is the ClassLoader
  
• Third is the name of cache
  
• Fourth is the XML configuration for the cache store that you want to encapsulate

  If the load method of the wrapped store cache returns null (i.e. nothing in DB corresponds to the key), then instead of returning null, the BinaryEntry is updated with a binary file that represents the null value. Because the corresponding key is now in the cache with a null value, then the cache store is not recalled for the same key.

  Note If you do this, and then later your DB is updated with the values for the keys Traoré were previously null (by something other than consistency) then coherence does not charge them because he is never going to charge for these keys.

  I gave the above code a quick test and it seems to work fine.

  If you are using 3.5 then you can still do it but you must use the coherence incubator common library that has a version of BinaryCacheStore. The code and configuration will be similar but not identical.

  JK

  Edited by: Jonathan.Knight January 6, 2011 15:50

• How to avoid the cache of the browser

  Hello

  I'm ediiting a flex application image and record at the same place and the same name. [on writtimg the existing file]. But the new image does not load.

  Still the old image of loading.

  But when you look in the source folder, the new image is there but are not displayed in the browser?

  
  

  Is it possible to load image each time leave source not the browser cache?

  Please advice

  have you tried to add a random value as the query string in the source of the image?

• Browser.cache.check_doc_frequency = 2 does not. How to fix?

  When I run Firefox I want load the version cached of my tabs. He used to do this, but now it refreshes the tabs when it starts. I tried to start in safe mode and it also refreshes the tabs when it starts. I put browser.cache.check_doc_frequency = 2, so it should we caching to load the tabs, but it's not. This change happened just in the last month little.

  Firefox does it create a sessionstore.js file when you close Firefox and are backups in the sessionstore-backups folder?

  previous.js (cleanBackup: copy of sessionstore.js from previous session that was loaded successfully)
  recovery.js (latest version of the sessionstore written during runtime)
  recovery.bak (previous version of the sessionstore written during runtime)
  upgrade.js-<build_id> (backup created during an upgrade of Firefox)
  

  Create a new profile as a test to see if your profile is the source of the problem.

  See "create a profile":

  • https://support.Mozilla.org/KB/Profile-Manager-create-and-remove-Firefox-profiles
  • http://KB.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues

  If the new profile works then you can transfer files from a profile already used in the new profile, but be careful not to copy files corrupted to avoid transporting more problems.

  • http://KB.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

• Checked "Empty the Cache on exit" in Firefox 25. Now it hangs at startup. Is there a way to disable this setting apart from Firefox?

  Yesterday, I decided to check the 'Clear Cache leaving' parameter. This morning I couldn't start Firefox. It hangs and stays like that. I saw another post somewhere on this same issue. I created a new profile and it worked well. He's just stuck when I try to use my old profile. It doesn't work in either safe mode. Y at - it anyway to disable this option outside of Firefox.

  I also tried without downgrading to 24 and upgrade to the beta 26. None worked.

  You can check for problems with preferences.

  Rename or remove the file prefs.js and numbered possible prefs-# .js and the file user.js to reset all default prefs.

  • http://KB.mozillazine.org/Preferences_not_saved
  • http://KB.mozillazine.org/Resetting_preferences

  You can try to clear the cache manually on the disk.
  
  View topic: cache for the location page.
  
  It is best to avoid using external programs to clean your Firefox data and use integrated means that Firefox instead.

• Avoid Firefox 2 tabs opening on the first time

  Hello

  For internal use at my workplace, we use a custom, Firefox
  Everything is ok on the fact that the first time, opening custom Firefox on a PC,.
  When no profile folder is existing, firefox opens 2 tabs.

  And after that first time everything is ok, I think that it comes to the tab 'welcome. '
  What can I do to avoid this tab open.

  It is our user.js file to overwrite the prefs.js.

  If I remove the
  "user_pref ("startup.homepage_welcome_url"," http://10.10.10.11:8008");") "
  It tries to open the mozilla homepage

  user_pref ("startup.homepage_override_url", "http://10.10.10.11:8008"); ")
  user_pref ("startup.homepage_welcome_url", "http://10.10.10.11:8008"); ")
  user_pref ("javascript.enabled", true);
  user_pref ("app.update.enabled", false);
  user_pref ("browser.startup.homepage", "http://10.10.10.11:8008"); ")
  user_pref ("accessibility.browsewithcaret", false);
  user_pref ("browser.cache.disk.enable", false);
  user_pref ("browser.popups.showPopupBlocker", false);
  user_pref ("browser.cache.memory.enable", false);
  user_pref ("browser.shell.checkDefaultBrowser", false);
  user_pref ("browser.backspace_action", 2);
  user_pref ("privacy.popups.disable_from_plugins", 0);
  user_pref ("privacy.sanitize.sanitizeOnShutdown", true);
  user_pref ("update_notifications.enabled", false);
  user_pref ("browser.tabs.showSingleWindowModePrefs", true);
  user_pref ("accessibility.browsewithcaret_shortcut.enabled", false);
  user_pref ("plugins.hide_infobar_for_outdated_plugin", true);
  user_pref ("extensions.blocklist.enabled", false);
  user_pref ("browser.newtabpage.enabled", false);
  user_pref ("browser.newtab.url", "http://10.10.10.11:8008"); ")
  user_pref ("browser.tabs.autoHide", false);
  user_pref ("zoom.minPercent", 100);
  user_pref ("zoom.maxPercent", 100);

  Thank you.

  Hello NiteSupport, please try to replace these two lines in your user.js file:

  user_pref("startup.homepage_override_url", "http://10.10.10.11:8008");
  user_pref("startup.homepage_welcome_url", "http://10.10.10.11:8008");
  

  with this line instead:

  user_pref("browser.startup.homepage_override.mstone", "ignore");