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Hey guys I am currently writing a program that displays a JTable to the user, so they can input some data into the table window. Problem is, I can't figure out how to save any data, so the data can be re-opened when the app is run again. I would prefer the data to be saved automatically when the app is closed, but I'm happy to use a button if I need to. I can't figure out how to save any data, From the JTable API (and all Swing components) you will see: Warning: Serialized objects of this class will not be compatible with future Swing releases .... As of 1.4, support for long term storage of

I have a model "Wrapper", which has_many of another model "Category", which in turn has_many of another model, "Thing". "Thing" has the integer attributes :count and :number . It also has an instance method defined as such in models/thing.rb : def ratio (self.count + self.number).to_f / Thing.all.count.to_f end "Category", then, has this instance method, defined in models/category.rb : def thing_ratios self.things.sum(&:ratio.to_f) end Finally, my wrapper.html.erb view shows Categories, listed in order of thing_ratios : <%= @wrapper.categories.all.order(&:thing_ratios).each do |category| %> ..

This is LC3 Assembly code I am working with .ORIG x3000 LOOP LDI R0, KBSR BRzp LOOP From LC3 Assembly , I know that LDI is a load indirect addressing mode, meaning it read in an address stored at an location and then read the value at that location From Lc3 Keyboard , I know that KBSR is the keyboard status register, which is one when keyboard has received a new character. Here is my test run in Lc3 simulator? I entered the character 'a' After executing LDI R0, KBSR, register 0 stores a value of -32768. Does anyone know, based off my definitions for ldi and KBSR where this number is coming

I don't understand what is problem here! after I compile it, always show me: "assignment makes pointer from integer without a cast" I don't know what is the problem! Please let me, thanks. SAVE NSUserDefaults *percentChecker = [NSUserDefaults standardUserDefaults]; [percentChecker setInteger:0 forKey:percentCheckerSaveKey]; LOAD NSUserDefaults *percentChecker = [NSUserDefaults standardUserDefaults]; NSString *percentString; //Alert! percentString = [percentChecker integerForKey:percentCheckerSaveKey]; It's exactly what it's telling you. percentString is a pointer, but integerForKey: returns an

I have a cvs file which schema is, every field is surrounded with ", and seperated by , and every tuple is a newline with \n So in my Java file, I wrote String path = "o.csv"; String esquel = " LOAD DATA LOCAL INFILE " + path + " INTO TABLE recommendations " + " FIELDS TERMINATED BY \',\' ENCLOSED BY \'\"'" + " LINES TERMINATED BY \'\\n\'"; And I execute the statement with the following statement statement.executeUpdate(esquel); But it throws an SQLException which says: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that

i want to move my program from a pc to another but the problem is the images are not loaded on any other pc (Source problem) . So i was wondering if i could just create a folder where the exe is placed and name it Resources and to load every image from there. image2.Source = new BitmapImage(new Uri(@"Res\startoh.png")); Clemens You may just add the images as resources to your Visual Studio project. Then they will be packed into the assembly of the executable and you don't need to copy them separately. Create a folder in your project (let's say called Images ) and add your images to that folder

I am currently investigating a double request problem on my site. Not all the time, but sometimes, a requested page will in fact load twice...which is not a problem really until it is on a page with PHP that inserts stuff into my db on request (my tracking script). I have read that an empty src in an image tag, and an empty url() in a css background could potentially cause the page to be requested twice. However, I can't find any problems with those. Is there anything else that could be causing something like this? ANSWER FOR MY SITUATION After some extensive research, it turns out that in my