Whats wrong with this method?
- by John
I'm new to java can someone please explain to me whats wrong with this method:
clas Hello {
public static void main (String[]arg) {
Document.write ("hello world") ;
}}
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UIScrollView on scroll update method
- by Alex Milde
Hi is there a method / possibility to run a function when the scrollview is scrolling? i found scroll start and scroll end solutions but nothing like a onIsScrolling ... is there a built in solution? or whats the best workaround (nstimer)? thanks AlexRead the article
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Django save method
- by Marijus
So I have a model with a FileField for excel spreadsheet. What I need to do this add another column in this spreadsheet, in each row let user pick from a drop-down list then save it and display it in html. All the picking and uploading will happen through the admin interface. So I have figured out way how to display a spreadsheet in html, however I have no idea how to write this save method. I could really use some hints and tips..Read the article
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Android audio manager method causing a force close
- by AnSan
Hi All, New to this and a bit confused as to why calling the following method creates a force close: AudioManager myaudiomanager; public void toggleSilent() { myaudiomanager.setRingerMode(AudioManager.RINGER_MODE_SILENT); } I don't see any blatant errors and I have added permissions to the manifest regarding the audio manager. Anyone able to direct me further?Read the article
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asp.net mvc 2 method not found
- by Debra
When I run my asp.net mvc 2 site (shared hosting) I get the following error: Method not found: 'Void System.Web.Mvc.DataAnnotationsModelValidatorProvider.set_AddImplicitRequiredAttributeForValueTypes(Boolean)'. In the bin directory I have System.Web.Mvc.dll version 2.0.50217.0 On my local dev machine it runs fine. Is it possible that if the hosting provider has a different mvc 2 version installed it would cause this error? Thank you!Read the article
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Objective-C method not being called
- by Matt S.
It's either because of the fact I'm tired or because I'm doing it wrong, but for some reason I can't get it to call a method. Here's what I'm trying to call: -(void)newHighScore:(int)d Which right now just does an NSLog saying "yea I'm working!" I'm calling it like this: [highscore newHighScore:score]; highscore is what I called the HighScore class in the .h, and score is an int with the score.Read the article
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IE popup an "object doesent support this propety o method" when using ExternalInterface.call
- by Gilad
hi, i"m getting nuts in here. everytime i try to do even an ExternalInterface.call('alert','abc'); (which will work on every browser) i get an object doesent support this propety or method after the alert appears. it even happens in the HTML generated by flash without me touching it... there is any solution?! thanks!Read the article
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Do autoreleased objects always survive a whole method?
- by Jan Hendrix
Hi, If I'm correct then the releasing of the pool of autoreleased objects has something to do with the run loop.. I barely have an idea of what that 'run loop' is but my question is, is it possible that the object gets released before the end of the method is reached?Read the article
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Replace method doesn't work properly
- by John Smith
Hello I have a string and when i try to use replace method in for loop it doesn't work String phrase="hello friend"; String[] wordds=phrase.split(" "); String newPhrase="sup friendhello weirdo"; for (int g=0;g<2;g++) { finalPhrase+=newPhrase.replace(wordds[g],"");} } System.out.println(finalPhrase) It prints out "sup hello weirdo" and i expect it to print "sup weirdo". What am i doing wrong?Read the article
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How to apply that resize method?
- by Qpixo
I noticed this full flash site and wonderring http://www.houseoforange.nl/site/#/Photographers/Philip%20Riches/editorial%20women/ How can I apply the resize method like the way they did? Any examples might help me a lot.Read the article
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How to return string name of calling method?
- by keruilin
Right now my code works as such: def method_a self.method_b ==> 'method_b' end def method_b puts self.name_of_calling_method end def name_of_calling_method if /`(.*)'/.match(caller.first) return $1 else return nil end end Instead of method_b printing 'method_b', how can I print the name of the calling method - 'method_a'?Read the article
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"rake db:seed" no method error
- by louddwarf
when I try and run the "rake db:seed" command the rails console outputs "NoMethodError: undefined method `db' for #" not quite sure what going on. I'm using netbeans to build my rails project which is using the built-in JRuby 1.2 would that have anything to do with it?Read the article
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Javascript equivalent of Python's iterkeys() dictionary method
- by saltycrane
In Python I can use the iterkeys() method to iterate over the keys of a dictionary. For example: mydict = {'a': [3,5,6,43,3,6,3,], 'b': [87,65,3,45,7,8], 'c': [34,57,8,9,9,2],} for k in mydict.iterkeys(): print k gives me: a c b How can I do something similar in Javascript?Read the article
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WPF: How to redefine CanExecute method of ApplicationCommands
- by Nike
I use standard Cut, Copy and Paste commands (which is part of ApplicationCommands class). Is it possible to redefine CanExecute method? Please give me a piece of C# code.Read the article
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How to create a subject helper method in Rspec2
- by Hedgehog
In rpsec 2.12 I expected this helper method definition to work: module X private def build_them(type) puts 'Catching the star' end end context 'public/private instance methods' do subject{ Class.new { extend(::X) } } def subject.build(type) puts "Throwing a star" build_them(type) end it{ should respond_to :build} end The actual result is a failed spec: expected #<Class:0x00000002ea5f90> to respond to :build I expected the example to pass Any suggestions on how to do this correctly?Read the article
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Safest communication method between applications on same machine
- by Radu
What is the safest communication method between two applications on the same machine, both Java and C/C++ clients with a Java server. Are SSL sockets safe enough or they can be broken by "man in the middle" attacks? As i saw in the documentation and code samples, JSSE retrieves private/public keys and certificates from keystore files which a malicious user can see. The only thing that you can hide in the code is the password used to unlock the keystores. Can hackers retrieve that password?Read the article
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callback method in iframe to return a value to opener
- by Premier
I have to call a callback method in iframe to return a value to opener. I know SqueezeBox has "assign, open, close" static methods, but I do not understand how it works, can someone help me please?Read the article
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UILabel not changing when method called
- by LyonJTill
- (IBAction)restoreUserDefaults { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; if([defaults objectForKey:@"Exam Name"] == nil) { examName = [[NSString alloc] initWithString:@"Name"]; } else { examName = [[NSString alloc] initWithString:[defaults objectForKey:@"Exam Name"]]; } [examNameLabel setText:[NSString stringWithFormat:@"%@",examName]]; } Hey all, Basically above is the method that is being called when one ViewController is being close and another is being opened the problem is, is that the UILabel in the new ViewController isn't changing to the value i need it to? Any ideas? Regards Lyon J TillRead the article
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Best Method For Storing Values
- by Josh streit
Basically, I want to have a database that's lightweight and I won't need to install a million other things on my clients computers for them to access this. I just need a simple method of reading and writing values so that they're not hardcoded into the program. I could do MySQL (which is what I'm very familiar with), but it doesn't need to be making calls remotely. I would have less than 10 fields and one table, if that matters. Thanks!Read the article
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ruby keyword arguments of method
- by Yang
How can I declare a method with keyword arguments just like rails do. some examples may be Person.find(:all, :conditions => "..."). How can I use symbols to create methods similar to the above? I am very new to ruby. Thanks in advance!Read the article
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Is ArrayList.size() method cached?
- by Peterdk
I was wondering, is the size() method that you can call on a existing ArrayList<T> cached? Or is it preferable in performance critical code that I just store the size() in a local int? I would expect that it is indeed cached, when you don't add/remove items between calls to size(). Am I right?Read the article
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Safest LAMP encrypt method
- by Adam Kiss
Hello, what is PHP's safest encrypt/decrypt method, in use with MySQL - to store let's say passwords? Of course, not for portal purposes. I want to do little password (domain/mysql/ftp...) storage for whole team online, but I don't want really to endanger our clients' bussinesses. Hash can't be used for obvious reasons (Doesn't really make sense to run rainbow tables every time :D). Any idea?Read the article
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Explicitly extending Object class and calling clone method of object throwing error
- by Suresh S
i tried the following code for cloning the object. while compiling it shows clone is protected and cannot be accessed, but i had extended Object class, hence the clone method will be public to my class . please explain me the reason. class storeDate extends Object { public static void main(String[] args) { storeDate d = new storeDate(); Object o = (storeDate)d; o.clone(): } }Read the article
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Collections removeAll method
- by srinannapa
I would like to know if something like below is possible , list<**MyObject**>.**removeAll**(list<**String**>) I hope the context is understandable. The list<MyObject : is a ArrayList<MyObject The list<String : is a ArrayList<String I know this can be achieved by overriding equals method in MyObject class. I would like to know if any other choice is prsent. Thanks,Srinivas NRead the article
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undefined local variable or method `user', using CarrierWave for profile images
- by Amar H-V
I've been following Ryan Bates' Railscasts tutorial on CarrierWave, which you can find here Everything works fine, except for when I go to view my profile, it gives me this error: undefined local variable or method `user' I don't know why it is telling me this, as I am using Devise for my authentication, and that is the name of my model. Below are some of the files which may be useful: https://gist.github.com/amarh21/7439421 I am using Rails 4.0.1 and ruby 2.0.0Read the article
