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  • previousFailureCount always stays on 0 (zero)

    - by itai alter
    Hello all, First of all, I'd like to thank the good people who helped me around on this site. Thanks. I'm trying to detect a failed authentication attempt in my app... I'm using the didReceiveAuthenticationChallenge method, and the checking if [challenge previousFailureCount] is equal to 0. The problem is that it's always stays on zero, even if the username and password that I send with the credentials are incorrect. I couldn't find any info about this kind of issue, any help will be much appreciated. Thanks!

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  • MYSQL: COUNT with GROUP BY, LEFT JOIN and WHERE clause doesn't return zero values

    - by Paul Norman
    Hi guys, thanks in advance for any help on this topic! I'm sure this has a very simply answer, but I can't seem to find it (not sure what to search on!). A standard count / group by query may look like this: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` GROUP BY `t1`.`any_col` and this works as expected, returning 0 if no rows are found. So does: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` WHERE `t1`.`another_column` = 123 However: SELECT COUNT(`t2`.`name`) FROM `table_1` `t1` LEFT JOIN `table_2` `t2` ON `t1`.`key_id` = `t2`.`key_id` WHERE `t1`.`another_column` = 123 GROUP BY `t1`.`any_col` only works if there is at least one row in table_1 and fails miserably returning an empty result set if there are zero rows. I would really like this to return 0! Anyone enlighten me on this? Beer can be provided in exchange if you are in London ;-)

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  • Change nil's to zeroes in elisp

    - by mageslayer
    Hi all I'd like to ask - what is the function doing nil conversion from nil's to zeroes in elisp? I'm a newbie and I think I am inventing the wheel with my code: (defun chgnull (x) (if (null x) 0 1)) (mapcar 'chgnull '(1 2 nil)) Search through Emacs sources by keyword "to zero" and such haven't shown anything relevant.

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  • SQL SERVER – Copy Data from One Table to Another Table – SQL in Sixty Seconds #031 – Video

    - by pinaldave
    Copy data from one table to another table is one of the most requested questions on forums, Facebook and Twitter. The question has come in many formats and there are places I have seen developers are using cursor instead of this direct method. Earlier I have written the similar article a few years ago - SQL SERVER – Insert Data From One Table to Another Table – INSERT INTO SELECT – SELECT INTO TABLE. The article has been very popular and I have received many interesting and constructive comments. However there were two specific comments keep on ending up on my mailbox. 1) SQL Server AdventureWorks Samples Database does not have table I used in the example 2) If there is a video tutorial of the same example. After carefully thinking I decided to build a new set of the scripts for the example which are very similar to the old one as well video tutorial of the same. There was no better place than our SQL in Sixty Second Series to cover this interesting small concept. Let me know what you think of this video. Here is the updated script. -- Method 1 : INSERT INTO SELECT USE AdventureWorks2012 GO ----Create TestTable CREATE TABLE TestTable (FirstName VARCHAR(100), LastName VARCHAR(100)) ----INSERT INTO TestTable using SELECT INSERT INTO TestTable (FirstName, LastName) SELECT FirstName, LastName FROM Person.Person WHERE EmailPromotion = 2 ----Verify that Data in TestTable SELECT FirstName, LastName FROM TestTable ----Clean Up Database DROP TABLE TestTable GO --------------------------------------------------------- --------------------------------------------------------- -- Method 2 : SELECT INTO USE AdventureWorks2012 GO ----Create new table and insert into table using SELECT INSERT SELECT FirstName, LastName INTO TestTable FROM Person.Person WHERE EmailPromotion = 2 ----Verify that Data in TestTable SELECT FirstName, LastName FROM TestTable ----Clean Up Database DROP TABLE TestTable GO Related Tips in SQL in Sixty Seconds: SQL SERVER – Insert Data From One Table to Another Table – INSERT INTO SELECT – SELECT INTO TABLE Powershell – Importing CSV File Into Database – Video SQL SERVER – 2005 – Export Data From SQL Server 2005 to Microsoft Excel Datasheet SQL SERVER – Import CSV File into Database Table Using SSIS SQL SERVER – Import CSV File Into SQL Server Using Bulk Insert – Load Comma Delimited File Into SQL Server SQL SERVER – 2005 – Generate Script with Data from Database – Database Publishing Wizard What would you like to see in the next SQL in Sixty Seconds video? Reference: Pinal Dave (http://blog.sqlauthority.com)   Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology, Video Tagged: Excel

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  • Tip #104: Did you know … How to view text for the ‘hint’ buttons on the Publish Web Dialog?

    - by The Official Microsoft IIS Site
    After the Beta 2 release of Visual Studio 2010, the Publish Web Dialog was modified to include two information buttons associated with the Service URL and Site/application text boxes. (See Figure 1) Figure 1 – New information (‘hint’) buttons (see circled question marks) There are two keys to remember when trying to view the ‘help’ text associated with these buttons: Patience Hover – don’t click In order to reveal the valuable information that these help icons can unlock, simply move your mouse to...(read more)

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  • How to login as other in ubuntu 12.04

    - by murali
    i have upgraded my ubuntu 11.10 to 12.04. i could not see other login option in the login screen. it shows only Guest login and User login. The User Login ask only password and i had never entered in as User login so that i do not know about password of User login. my problem is how to login as root from the login screen? how can i get Other login option to login as root or some other user? before ask this question i have tried the following: try to add the greeter-show-manual-login=true line at the bottom of /etc/lightdm/lightdm.conf file as Guest login but i get access denied error. i do not know the password of User login (ask only password while login) to purpose of adding above line. from the safe mode login, i could login as root but i could not add the above line the lightdm.conf file . i got read only error so that i tried to change the permission to 777 like the following > chmod 777 lightdm.conf (i am within the /etc/lightdm/). but i got the error the file marked as/is read only in the file system. In 11.10 version i have created 4 users. i can see that the users exist in 12.10 . so i am sure my self users are not removed while upgrate. In short, i need Other login option on my login screen? how to get it? please help me. * Edited Question:* i have add the following line the /etc/lightdm/lighdm.conf file on recovery mode greeter-show-manual-login=true and i saved the file using wq command. now my /etc/lightdm/lighdm.conf file looking as the following: [SeatDefaults] greeter-session=unity-greeter user-session=ubuntu greeter-show-manual-login=true if i commit any mistake please correct me. by this problem i have wasted the two working day and all the works are in pending... please help me.

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  • How one decision can turn web services to hell

    - by DigiMortal
    In this posting I will show you how one stupid decision may turn developers life to hell. There is a project where bunch of complex applications exchange data frequently and it is very hard to change something without additional expenses. Well, one analyst thought that string is silver bullet of web services. Read what happened. Bad bad mistake In the early stages of integration project there was analyst who also established architecture and technical design for web services. There was one very bad mistake this analyst made: All data must be converted to strings before exchange! Yes, that’s correct, this was the requirement. All integers, decimals and dates are coming in and going out as strings. There was also explanation for this requirement: This way we can avoid data type conversion errors! Well, this guy works somewhere else already and I hope he works in some burger restaurant – far away from computers. Consequences If you first look at this requirement it may seem like little annoying piece of crap you can easily survive. But let’s see the real consequences one stupid decision can cause: hell load of data conversions are done by receiving applications and SSIS packages, SSIS packages are not error prone and they depend heavily on strings they get from different services, there are more than one format per type that is used in different services, for larger amounts of data all these conversion tasks slow down the work of integration packages, practically all developers have been in hurry with some SSIS import tasks and some fields that are not used in different calculations in SSAS cube are imported without data conversions (by example, some prices are strings in format “1.021 $”). The most painful problem for developers is the part of data conversions because they don’t expect that there is such a stupid requirement stated and therefore they are not able to estimate the time their tasks take on these web services. Also developers must be prepared for cases when suddenly some service sends data that is not in acceptable format and they must solve the problems ASAP. This puts unexpected load on developers and they are not very happy with it because they can’t understand why they have to live with this horror if it is possible to fix. What to do if you see something like this? Well, explain the problem to customer and demand special tasks to project schedule to get this mess solved before going on with new developments. It is cheaper to solve the problems now that later.

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  • Google+1 button strategy - Combined +1s or separate +1s?

    - by nctrnl
    I have included the Google+1 button on my blog. Each post outputs a +1 button on the bottom. Depending if you are viewing the actual post or just the main page the +1 button will "+1" either the post address or blog website address. This made me think for a bit if the +1 button should be configured to +1 the blog section (www.example.org/blog), +1 the main website address (www.example.org), or +1 individual posts?

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  • U1 music mp3 files not put into albums

    - by david
    Via the web page I can see that my files sync to U1 cloud servers. For the mp3 files, there seems to be a problem that several questions have already addressed but there does not seem to be a clear answer. If I use EasyTAG 2.1.6, I can see the ID3 tags on the local files and they seem to correctly define the artist, album title and track name. I expect it is not relevant, but I am using 10.04 with several different clients to rip the CDs. However, some mp3 files do not appear in the cloud at all and some others get assigned to Various Artist or Unknown artist. Does the music streaming (e.g. via Ipad) use the tags or the directory/file structure to assign the artist or album, and how quickly should it be expected to work? :-) Which version of ID3 tags does U1 music streaming work best with or prefer? thanks for any help David

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  • Google Author information in search results still havent displayed my details in search results

    - by Jayapal Chandran
    I followed the following instructions but still not clear whether i had completely understood it. http://www.google.com/support/webmasters/bin/answer.py?answer=1408986 http://www.labnol.org/internet/author-profile-in-google/19775/ I did the above last week and i did not find my picture in google search result. First i added google + link in certain web pages and in my google profile i added those pages which had google + anchor link with rel=author tag. After updating i used the following to verify. http://www.google.com/webmasters/tools/richsnippets?url=http%3A%2F%2Fvikku.info%2Fcodesnippets%2Fphp%2F&view= You can see that my pic is appearing at the right. here is a screen shot. so, what am i missing? why it is not in the search result. The author of labnol.org said it will take 3 days for my profile photo link to appear... ? Google has stated the following Note that there is no guarantee that a Rich Snippet will be shown for this page on actual search results. For more details, see the FAQ( http://knol.google.com/k/google-rich-snippets-tips-and-tricks#Frequently_Asked_Questions ). Fingers crossed. Thoughtful.

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  • Java EE 7 turns one today!

    - by delabassee
    "Tell me and I forget. Teach me and I remember. Involve me and I learn." (Benjamin Franklin) Today marks the first year anniversary of Java EE 7. The JSR 342 specification was finalised on May 28, 2013 with the official launch taking place on June 12, 2013 (original press release). As of today, there are already 3 Java EE 7 compatible Application Servers, coming from different 'vendors' (Oracle, TmaxSoft and Red Hat). Two of those Java EE 7 Application Servers are free and open source. We expect the list of Java EE 7 compatible Application Servers to grow over the coming months. Source: RebelLabs - 'Java Tools and Technologies Landscape for 2014' According to a recent independent survey, one third of the Java EE users who participated in that survey is already using Java EE 7. This is a good sign but it also means that a lot of people are not yet on Java EE 7. So if you haven't yet embarked on Java EE 7, now is really the time to do so! There are various ways to learn Java EE 7, in no particular order ... Continue to read The Aquarium. Through this blog, we are relaying Java EE news but we are also doing our best to highlight relevant technical contents such as articles, community tutorials, etc. Watch the GlassFish YouTube channel. Amongst others, it contains the different videos of the Java EE 7 launch, those videos will give you good technical update on Java EE and its different components specifications (JMS 2.0, JAX-RS 2.0, EJB 3.2, etc.) Take a formal training. Oracle University is starting to roll-out Java EE 7 trainings like the 'Java EE 7: New Features' class.  Attend conferences and JUGs sessions. On that note, we have spent a lot of time to create a strong JavaOne 'Server-Side Java' track. It's still possible to benefit from the early bird JavaOne pricing but don't wait too much! Read books. There are more than 25 (!) books related to Java EE 7 or to one of the Java EE 7 component specification.  There are many more ways to learn Java EE but if I have to suggest one and only one way, I would recommend the Java EE 7 Tutorial. It's exhaustive and clear, it's free and it continues to evolve. And finally as the introductory quote suggest, participation is key to learning. Participate in JUGs,  participate in Adopt-a-JSR, get involved in the different open source communities evolving around Java EE, participate in the JCP... in one word, participate!

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  • magic trackpad - Ubuntu

    - by UbuntuGuy
    I've been using a mac in my job for a while now. The only feature i like about it above my ubuntu (on an hp) is the trackpad. I love doing the strokes to move between different files. It really makes things quicker. Is it possible to imitate this feature on my ubuntu laptop. (like maybe there might be something that utilizes my mouse pad on the laptop, as well as the scroller) If that is impossible or doesn't exist then can i set up a magic trackpad to ubuntu on my hp.

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  • HTML5 valid Google+ Button - Bad value publisher for attribute rel

    - by mrtsherman
    I recently migrated my website from xhtml transitional to html5. Specifically so that I could make use of valid block level anchor tags. <a><div /></a>. When running validation I encountered the following error: Bad value publisher for attribute rel on element link: Keyword publisher is not registered. But according to this page, that is exactly what I am supposed to do. https://developers.google.com/+/plugins/badge/#connect My code: <link href="https://plus.google.com/xxxxxxxxxxxxxxxx" rel="publisher" /> <a href="https://plus.google.com/xxxxxxxxxxxxxxx?prsrc=3" style="text-decoration:none;"> <img src="https://ssl.gstatic.com/images/icons/gplus-16.png" alt="" style="border:0;width:16px;height:16px;"/> </a> I can't figure out how to implement this in an html5 compliant way. Can anyone help?

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  • Evolution has no access to couchdb

    - by berkes
    Evolution gives the error "Cannot open addressbook". "We were unable to open this addressbook. This either means you have entered an incorrect URI, or the server is unreachable". "Details: Operation not permitted". (rough translation from Dutch). Enabling verbose logging in (desktop)couchdb tells me roughly the same: [info] [<0.7875.1>] 127.0.0.1 - - 'PUT' /contacts/ 400 [debug] [<0.7875.1>] httpd 400 error response: {"error":"invalid_consumer","reason":"Invalid consumer (key or signature method)."} It seems that evolution tries to fetch the contacts, then couchdb denies access, and then evolution fails to do a proper oauth. This is on Ubuntu 10.10, with its default dektopcouch 1.0.1. Any hints on where to start would be most appreciated :)

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  • Can't open Evolution CouchDB address book

    - by Amanda
    Unable to open address book This address book cannot be opened. This either means that an incorrect URI was entered, or the server is unreachable. I tried the solution (and suggestions) in Evolution has no access to couchdb but that isn't working for me. I tried stopping desktopcouch-service and deleting my access keys and now the error I get says Unable to open address book This address book cannot be opened. This either means that an incorrect URI was entered, or the server is unreachable. Detailed error message: Address Book does not exist Do I need to create my addressbook anew?

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  • how to fix error when authenticating in U1

    - by Yann
    Like other users, when authenticating in U1 I get this error: Method "CreateItem" with signature "a{sv}(oayay)b" on interface "org.freedesktop.Secret.Collection" doesn't exist. And in /var/log/auth.log: gnome-keyring-daemon[4793]: egg_symkey_generate_simple: assertion `iterations >= 1' failed gnome-keyring-daemon[4793]: couldn't prepare to write out keyring: /home/yann/.gnome2/keyrings/login_1.keyring So I tried to move "login.keyring". I typed no password for the security when logging into U1, accepted non secured way to save passwords. And a message told me the operation successfully completed (in French). But, sync did not work. And u1sdtool --status returned this: State: AUTH_FAILED connection: With User With Network description: auth failed is_connected: False is_error: True is_online: False queues: WORKING I'm sorry U1 doesn't work anymore; it was really useful to me. Can you help me ? Ubuntu 11.10

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  • How do I recover files from U1 cloud

    - by MarkWW
    OK I have just stopped syncing a folder. This appears to have been a huge mistake. I did not realise the folder would disappear from my cloud storage. I assume (and hope) the sub-folders/files it contained still exists in the cloud. I hope they still exists in the cloud because they do not exist on my computer. I did not delete these files from the cloud (I have tried to recover deleted files - none are being recovered). Where are they and how do I get them back into My storage?

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  • How to access UbuntOne when it asks for default keyring which has never been set?

    - by obu-tim
    I am trying to set up UbuntuOne on a new computer and after I enter the email and password, it asks for the keyring 'default'. I don't know what it is and I never set it. Makes it difficult to enter so it seems to be a counterproductive security default. I understand that if autologin is set the keyring is called. I tried setting the main user to need a password but if I reboot it doesn't ask for the password so it sort of autoboots still. So How do I set the keyring default password? If I can't set it I can't install UbuntOne

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  • I removed my WinXP machine's association to U1 from within the Windows client, and now can't get it back to work anymore

    - by Andrea
    After testing the windows client for U1 sync, I decided to test the preferences' settings, and tried to remove the association for the WinXP station from which I was working. Now I can start the client, but if I try to open the preferences' settings the application stops. I tried to uninstalle and reinstall, but that won't change the situation: appearently the old settings are kept the same even after a total reinstall.

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  • About my main Project

    - by user207365
    My project is to build a AI(Artificial Intelligence) system in which i am planning to have a raspberry pi or Intel i3/i5 processor. Raspberry pi is small and efficient but i don't know whether it can support 2 TB or more external hard disk. Where as in Intel i can have internal hard disk and at the same time external also and will be more faster with 2gb or 4gb RAM. Which is better Raspberry pi or Intel,is it possible to stimulate my ubuntu in Intel processor. the main reason using processor it to give the system decision making capability ,understanding and analyzing capabilities using different algorithm's .my processor should analyze the condition take proper steps in running the appropriate application

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  • Synchronizing (updating) published files

    - by MucMug
    How can I update a published file and maintain the same URL? After saving an update of a published file on my desktop, it will automatically "synchronise" with the corresponding files at UbuntuOne (and it does). Problem is that the "new file", actually the updated file with the same name, is no longer published. Pressing the publish button results is a new URL. I now have to mail new URL's and change embedded links, as old URL will result in a failure to find the updated file (or indeed any file). I am not sure if it is a bug or a design flaw (maybe intentional?), but it seems strange to me.

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  • ICollectionView.SortDescriptions sort does not work if underlying DataTable has zero rows

    - by BigBlondeViking
    We have a WPF app that has a DataGrid inside a ListView. private DataTable table_; We do a bunch or dynamic column generation ( depending on the report we are showing ) We then do the a query and fill the DataTable row by row, this query may or may not have data.( not the problem, an empty grid is expected ) We set the ListView's ItemsSource to the DefaultView of the DataTable. lv.ItemsSource = table_.DefaultView; We then (looking at the user's pass usage of the app, set the sort on the column) Sort Method below: private void Sort(string sortBy, ListSortDirection direction) { ICollectionView dataView = CollectionViewSource.GetDefaultView(lv.ItemsSource); dataView.SortDescriptions.Clear(); var sd = new SortDescription(sortBy, direction); dataView.SortDescriptions.Add(sd); dataView.Refresh(); } In the Zero DataTable rows scenario, the sort does not "hold"? and if we dynamically add rows they will not be in sorted order. If the DataTable has at-least 1 row when the sort is applied, and we dynamically add rows to the DataTable, the rows com in sorted correctly. I have built a standalone app that replicate this... It is an annoyance and I can add a check to see if the DataTable was empty, and re-apply the sort... Anyone know whats going on here, and am I doing something wrong? FYI: What we based this off if comes from the MSDN as well: http://msdn.microsoft.com/en-us/library/ms745786.aspx

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  • AS3: Array of objects parsed from XML remains with zero length

    - by Joel Alejandro
    I'm trying to parse an XML file and create an object array from its data. The data is converted to MediaAlbum classes (class of my own). The XML is parsed correctly and the object is loaded, but when I instantiate it, the Albums array is of zero length, even when the data is loaded correctly. I don't really know what the problem could be... any hints? import Nem.Media.*; var mg:MediaGallery = new MediaGallery("test.xml"); trace(mg.Albums.length); MediaGallery class: package Nem.Media { import flash.net.URLRequest; import flash.net.URLLoader; import flash.events.*; public class MediaGallery { private var jsonGalleryData:Object; public var Albums:Array = new Array(); public function MediaGallery(xmlSource:String) { var loader:URLLoader = new URLLoader(); loader.load(new URLRequest(xmlSource)); loader.addEventListener(Event.COMPLETE, loadGalleries); } public function loadGalleries(e:Event):void { var xmlData:XML = new XML(e.target.data); var album; for each (album in xmlData.albums) { Albums.push(new MediaAlbum(album.attribute("name"), album.photos)); } } } } XML test source: <gallery <albums <album name="Fútbol 9" <photos <photo width="600" height="400" filename="foto1.jpg" / <photo width="600" height="400" filename="foto2.jpg" / <photo width="600" height="400" filename="foto3.jpg" / </photos </album <album name="Fútbol 8" <photos <photo width="600" height="400" filename="foto4.jpg" / <photo width="600" height="400" filename="foto5.jpg" / <photo width="600" height="400" filename="foto6.jpg" / </photos </album </albums </gallery

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