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Search found 13749 results on 550 pages for 'reason'.

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• mcrypt_encrypt fails to initialise

  - by mixkat

  I am trying to encrypt some data in PHP using the Rijndael cipher in CBC mode with a 256bit key but for some reason I get the following error message: mcrypt_encrypt() Module initialization failed My code: $hashKey = hash('sha256',$key); $iv = hash('sha256',$hashKey); // ------Cipher-------------key-------------Data-------------Mode---------IV-- $encryptedQuestion = base64_encode(mcrypt_encrypt('MCRYPT_RIJNDAEL_256', $hashKey , $_POST['question'], MCRYPT_MODE_CBC, $iv)); Can anyone see whats wrong with this?

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• Lookups with multiple values are not showing porperly in sharepoint edit and display custom form

  - by user208628

  HELP! For some reason when I create a custom edit or display form, all the lookup fields are showing in a weird way or not showing any value at all, can someone explain to me how I am suppose to fix that, I know it has something to do where it say select="@value" in the display form. Please help me out. Thank you.

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• is there an easy way to convert jquery code to javascript?

  - by davidsleeps

  hopefully the question doesn't sound stupid, but there are lots of examples out there of achieving certain things in javascript/dom using jQuery. Using jQuery is not always an option (or even a want) which can make understanding the examples of javascript solutions written in jQuery hard. Is there an easy way to convert jQuery code to regular javascript? I guess without having to access or understand the jQuery source code... edit (future readers): pretend there is a logical reason why jQuery isn't available!

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• Why wait should always be in synchronized block

  - by diy

  Hi gents, We all know that in order to invoke Object.wait() , this call must be placed in synchronized block,otherwise,IllegalMonitorStateException is thrown.But what's the reason for making this restriction?I know that wait() releases the monitor, but why do we need to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling wait() ? What is the potential damage if it was possible to invoke wait() outside synch block, retaining it's semantics - suspending the caller thread ? Thanks in advance

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• How to remove segment at index at 0 of UISegmentcontrol in iphone?

  - by Warrior

  I am able to remove the segment at index 1,2,3 etc but not able to remove the segment at index 0 . [self readGroupFromDatabase]; NSLog(@"the current teble desc count value is %d",[tableDesc count]);---->0 if([tableDesc count]== 0){ [segemntedControl removeSegmentAtIndex:0 animated:NO]; } i am getting this error : *** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[NSCFArray objectAtIndex:]: index (-1( or possibly larger)) beyond bounds (5)' Please help me out.Thanks.

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• Command button requires two clicks (sometimes)

  - by Shelly

  i am using icefaces 1.8.2. For some command buttons, sometimes i need to click the button twice. previously whole applivcation was working fine with single click. after upgrade to 1.8.2,i am facing this problem......Any suggestion,what could be the reason??? Thanks

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• Need to have a single instance of a dependency container exist for a WCF service

  - by hetalpatel

  The idea is to use DI container on my service contract implementation to instantiate my Business and Data classes. The reason I need to do it this way, is that I have one service contract that deals with different client requests. Each client request corresponds to different Business class

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• Why doesn't Java allow for the creaton of generic arrays?

  - by byte

  There are plenty of questions on stackoverflow from people who have attempted to create an array of generics like so: ArrayList<Foo>[] poo = new ArrayList<Foo>[5]; And the answer of course is that the Java specification doesn't allow you to declare an array of generics. My question however is why ? What is the technical reason underlying this restriction in the java language or java vm? It's a technical curiosity I've always wondered about.

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• Android - How to prevent the phone screen from turning on when volume or camera key is pressed?

  - by 2Real

  I have an activity that shows up when the phone screen goes to sleep/turns off ie turns black. For some reason, the phone turns on when the volume buttons or the camera buttons are pressed. By turns on, I mean the screen wakes up or comes back from the black screen state. I've tried using dispatchKeyEvent(KeyEvent event) and the buttons are disabled on the activity, but they still wake up the phone.

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• R language: open ssh connection

  - by marpo_it

  I am trying to open a remote shell via ssh to send commands from R. As long as I send commands, I need to get results and send new commands that depends on the output of the previous ones. For this reason I am looking for a solution to open a connection and manage it from within the R code until I have finished. I also need to open the connection with ssh key exchange (so without password authentication). Looking at CRAN I didn't find anything useful.

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• UITableView does not scroll to cell

  - by Sheehan Alam

  I am trying to scroll my tableview to the 2nd cell: [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:1 inSection:0] atScrollPosition:UITableViewScrollPositionNone animated:NO]; I get the error: *** Terminating app due to uncaught exception 'NSRangeException', reason: '-[UITableView scrollToRowAtIndexPath:atScrollPosition:animated:]: section (1) beyond bounds (0). ' My tableview has 30 cells that are appearing with no sections.

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• Mysql syntax help

  - by Karthick

  Query: select t1.col1 from table1 t1 inner join with (nolock) table2 t2 on t1.col2 = t2.col1 Am trying to use nolock option for optimized query in mySQL db, but for some reason the above query does not work and the error i receive is You have an error in your SQL syntax; Any thoughts?

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• Why is "int + string" possible in statically-typed C# but not in dynamically-typed Python?

  - by Salvador Dali

  While studying C# I found it really strange, that dynamically typed Python will rise an error in the following code: i = 5 print i + " " whereas statically typed C# will normally proceed the similar code: int i = 5; Console.Write(i + " "); I would expect other way around (in python I would be able to do this without any casting, but C# would require me to cast int to string or string to int). Just to highlight, I am not asking what language is better, I am curious what was the reason behind implementing the language this way.

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• Is HTML considered a programming language?

  - by nihilist.myopenid.com

  I guess the question is self-explanatory, but I'm wondering whether HTML qualifies as a programming language (obviously the "L" stands for language). The reason for asking is more pragmatic—I'm putting together a resume and don't want to look like a fool for listing things like HTML and XML under languages, but can't figure out how to classify them.

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• How do I free my port 80 on localhost windows

  - by Aashish

  I installed xampp 1.6.8 and for some reason it did'nt work. Later realized port 80 is not free or not listening. How can I release it or make it free? Thanks a lot!

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• cant open access file - dont have permit

  - by Gold

  hi i try to open access 2007 file and i cant - dont have permit don't ask for any password what can be the reason ? thank's in advance

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• JQueryLightbox plugin (0.5)

  - by Janine

  I have inlcuded a JQuery Lightbox plugin on my first site and for some reason it is not showing the gallery images on click. the first one works but the others are blank. I built the site in Dreamweaver and it worked fine in testing on Safari and Firefox but the live version isn't playing ball. Any suggestions.

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• Why was the SASS depreciated in favour of SCSS?

  - by nubela

  Basically, why SCSS, instead of SASS? The shorthand of SASS was the main reason why I picked up SASS, I recently came back to it and realised that it is no longer in favour. Any reasons why?

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• Java application on windows server possibility?

  - by Shawn Mclean

  I'd like to know if it is possible to have this application (neo4j) running on windows server 2008 alongside an asp.net mvc application. Reason for this, I need to access the graph database (neo4j) which provides a RESTful service from my mvc application. How would I go about setting up this architecture?

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• Network error during uninstallation

  - by varunp88

  Hi, We are using WiX to create a setup. The installation works fine, but during uninstallation an error says that the [FileName].msi is missing in C:\Windows\Installer and the setup starts rolling back. It is not reproduced in all the machines. It happens only in few machines. Could someone please give a solution to this ? What may be the reason that this happens only in 5 machines out of some 100 machines ? Thanks and Regards, Varun

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• What does plus sign does here in string?

  - by Thanga

  I would like to know, what is the difference between two statements, these may be simple String ss="myname"; char[] charArray = ss.toCharArray(); for ( char character : charArray ) { System.out.println( +character );//Statements are here what does plus refers here: System.out.println( character ); //Statements are here: } I got the output for the code no errors but little doubt on how it works? What happens here? If you would down vote let me know the reason please , Thanks in advance

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• using ref to view error

  - by Avram

  Hello. I working now on firm that using ref in every function. The reason, is to catch errors. There example : //return true if the read is success //otherwise writing to the error ,the problem bool ReadFile(ref string error) Question: How do you catching errors? Using ref,exceptions or other way?

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• CSS - IE7 weirdness - When I set the opacity of an element, I lose the margin of a sibling element.

  - by Spines

  When I set the opacity of an element ( filter:alpha(opacity=50); ) then the margin of the element to the right of it goes to 0, and butts right up against the element for some reason. This doesn't happen when setting opacity on firefox or chrome, but does happen on IE7. Anyone know how to fix this?

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• When initializing in C# constructors what's better: initializer lists or assignment?

  - by user260197

  Class A uses an initializer list to set the member to the paramter value, while Class B uses assignment within the constructor's body. Can anyone give any reason to prefer one over the other as long as I'm consistent? class A { String _filename; A(String filename) : _filename(filename) { } } class B { String _filename; B(String filename) { _filename = filename; } }

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• Setting on server to download a file instead of displaying it

  - by Mike

  Hi, My server for some reason displays .AIR file inside the browser, but I want to have it downloaded. How can I do this?

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