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  • Throw of a die in Java

    - by Arkapravo
    The throw of a die is a popular program in Java, public class Die { /* This program simulates rolling a die */ public static void main(String[] args) { int die; // The number on the die. die = (int)(Math.random()*6 + 1); System.out.println (die); } // end main() } // end class What I wish to do is make it repeat, 500 times. I have not been able to put this program into a loop of 500. I usually program in Python, thus I guess my Java has rusted ! Any help is most welcome !

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  • convert bitset to string ??

    - by mr.bio
    Hi .. What is wrong with this code ? set<string> nk ; bitset<3> bs1(string("100")); nk.insert(bs1.to_string()); error: no matching function for call to `std::bitset<3u::to_string()' why?!

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  • Replace letters in a secret text

    - by kame
    Hello! I want to change every letter in a text to after next following letter. But this program doesnt work. Does anyone know why. Thanks in advance. There is also a minor problem with y and z. import string letters = string.ascii_lowercase text=("g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj. ") for x in range(1,24): text.replace(letters[x],letters[x+2]) print(text)

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  • Clear all class variables between instances

    - by ensnare
    This is probably a stupid question, but what's the best way to clear class variables between instances? I know I could reset each variable individually in the constructor; but is there a way to do this in bulk? Or am I doing something totally wrong that requires a different approach? Thanks for helping ... class User(): def __init__(self): #RESET ALL CLASS VARIABLES def commit(self): #Commit variables to database >>u = User() >>u.name = 'Jason' >>u.email = '[email protected]' >>u.commit() So that each time User is called the variables are fresh. Thanks.

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  • very quickly getting total size of folder

    - by freakazo
    I want to quickly find the total size of any folder using python. def GetFolderSize(path): TotalSize = 0 for item in os.walk(path): for file in item[2]: try: TotalSize = TotalSize + getsize(join(item[0], file)) except: print("error with file: " + join(item[0], file)) return TotalSize That's the simple script I wrote to get the total size of the folder, it took around 60 seconds (+-5 seconds). By using multiprocessing I got it down to 23 seconds on a quad core machine. Using the Windows file explorer it takes only ~3 seconds (Right click- properties to see for yourself). So is there a faster way of finding the total size of a folder close to the speed that windows can do it? Windows 7, python 2.6 (Did searches but most of the time people used a very similar method to my own) Thanks in advance.

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  • What is Adobe Flex? Is it just Flash II?

    - by Adam Davis
    Question Alright, I'm confused by all the buzzwords and press release bingo going on. What is the relationship between flash and flex: Replace flash (not really compatible) Enhance flash The next version of flash but still basically compatible Separate technology altogether ??? If I'm starting out in Flash now, should I just skip to Flex? Follow up Ok, so what I'm hearing is that there's three different parts to the puzzle: Flash The graphical editor used to make "Flash Movies", ie it's an IDE that focuses on the visual aspect of "Flash" (Officially Flash CS3?) The official name for the display plugins (ie, "Download Flash Now!") A general reference to the entire technology stack In terms of the editor, it's a linear timeline based editor, best used for animations with complex interactivity. Actionscript The "Flash" programming language Flex An Adobe Flash IDE that focuses on the coding/programming aspect of "Flash" (Flex Builder?) A Flash library that enhances Flash and makes it easier to program for (Flex SDK?) Is not bound to a timeline (as the Flash IDE is) and so "standard" applications are more easily accomplished. Is this correct?

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  • Using singleton instead of a global static instance

    - by Farstucker
    I ran into a problem today and a friend recommended I use a global static instance or more elegantly a singleton pattern. I spent a few hours reading about singletons but a few things still escape me. Background: What Im trying to accomplish is creating an instance of an API and use this one instance in all my classes (as opposed to making a new connection, etc). There seems to be about 100 ways of creating a singleton but with some help from yoda I found some thread safe examples. ..so given the following code: public sealed class Singleton { public static Singleton Instance { get; private set; } private Singleton() { APIClass api = new APIClass(); //Can this be done? } static Singleton() { Instance = new Singleton(); } } How/Where would you instantiate the this new class and how should it be called from a separate class? EDIT: I realize the Singleton class can be called with something like Singleton obj1 = Singleton.Instance(); but would I be able to access the methods within the APIs Class (ie. obj1.Start)? (not that I need to, just asking) EDIT #2: I might have been a bit premature in checking the answer but I do have one small thing that is still causing me problems. The API is launching just fine, unfortunately Im able to launch two instances? New Code public sealed class SingletonAPI { public static SingletonAPI Instance { get; private set; } private SingletonAPI() {} static SingletonAPI() { Instance = new SingletonAPI(); } // API method: public void Start() { API myAPI = new API();} } but if I try to do something like this... SingletonAPI api = SingletonAPI.Instance; api.Start(); SingletonAPI api2 = SingletonAPI.Instance; // This was just for testing. api2.Start(); I get an error saying that I cannot start more than one instance.

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  • exceptions with python unicode encode/decode functions (why doesn't errors=ignore actually ignore th

    - by gatoatigrado
    Does anyone know why the string conversion functions throw exceptions when errors="ignore" is passed? How can I convert from regular Python string objects to unicode without errors being thrown? Thanks very much! python -c "import codecs; codecs.open('tmp', 'wb', encoding='utf8', errors='ignore').write('?????')" returns Traceback (most recent call last): File "", line 1, in File "/usr/lib/python2.6/codecs.py", line 686, in write return self.writer.write(data) File "/usr/lib/python2.6/codecs.py", line 351, in write data, consumed = self.encode(object, self.errors) UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

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  • Dynamic type for List<T>?

    - by Brett
    Hi All, I've got a method that returns a List for a DataSet table public static List<string> GetListFromDataTable(DataSet dataSet, string tableName, string rowName) { int count = dataSet.Tables[tableName].Rows.Count; List<string> values = new List<string>(); // Loop through the table and row and add them into the array for (int i = 0; i < count; i++) { values.Add(dataSet.Tables[tableName].Rows[i][rowName].ToString()); } return values; } Is there a way I can dynamically set the datatype for the list and have this one method cater for all datatypes so I can specify upon calling this method that it should be a List<int or List<string> or List<AnythingILike>? Also, what would the return type be when declaring the method? Thanks in advance, Brett

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  • Good beginners' level book about mobile telecommunication

    - by vito
    I've recently joined a company who specialize in the mobile telecommunication domain. I'm encountering a lot of jargons, and I'm feeling a bit lost in most of the conversations. Although I'm quickly searching for the new terms on the web and learning stuff on the job, I would like to read an introductory book that will take me through the basics of the mobile world. Thanks for your recommendations!

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  • How to 'assign' a value to an output reg in Verilog?

    - by Rafael Almeida
    ( insert really basic question disclaimer here ) More specifically, I have the following declaration: output reg icache_ram_rw And in some point of the code I need to put the zero value in this reg. Here's what I've tried and the outcomes: assign icache_ram_rw = 1'b0; ( declarative lvalue or port sink reg icache_ram_rw must be a wire ) icache_ram_rw <= 1'b0; ( instance gate/name for type "icache_ram_rw" expected - <= read ) How do I do it after all?!

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  • Implementing a linear, binary SVM (support vector machine)

    - by static_rtti
    I want to implement a simple SVM classifier, in the case of high-dimensional binary data (text), for which I think a simple linear SVM is best. The reason for implementing it myself is basically that I want to learn how it works, so using a library is not what I want. The problem is that most tutorials go up to an equation that can be solved as a "quadratic problem", but they never show an actual algorithm! So could you point me either to a very simple implementation I could study, or (better) to a tutorial that goes all the way to the implementation details? Thanks a lot!

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  • Blackjack game reshuffling problem

    - by Jam
    I am trying to make a blackjack game where before each new round, the program checks to make sure that the deck has 7 cards per player. And if it doesn't, the deck clears, repopulates, and reshuffles. I have most of the problem down, but for some reason at the start of every deal it reshuffles the deck more than once, and I can't figure out why. Help, please. Here's what I have so far: (P.S. the imported cards and games modules aren't part of the problem, I'm fairly sure my problem lies in the deal() function of my BJ_Deck class.) import cards, games class BJ_Card(cards.Card): """ A Blackjack Card. """ ACE_VALUE = 1 def get_value(self): if self.is_face_up: value = BJ_Card.RANKS.index(self.rank) + 1 if value > 10: value = 10 else: value = None return value value = property(get_value) class BJ_Deck(cards.Deck): """ A Blackjack Deck. """ def populate(self): for suit in BJ_Card.SUITS: for rank in BJ_Card.RANKS: self.cards.append(BJ_Card(rank, suit)) def deal(self, hands, per_hand=1): for rounds in range(per_hand): for hand in hands: if len(self.cards)>=7*(len(hands)): top_card=self.cards[0] self.give(top_card, hand) else: print "Reshuffling the deck." self.cards=[] self.populate() self.shuffle() top_card=self.cards[0] self.give(top_card, hand) class BJ_Hand(cards.Hand): """ A Blackjack Hand. """ def init(self, name): super(BJ_Hand, self).init() self.name = name def __str__(self): rep = self.name + ":\t" + super(BJ_Hand, self).__str__() if self.total: rep += "(" + str(self.total) + ")" return rep def get_total(self): # if a card in the hand has value of None, then total is None for card in self.cards: if not card.value: return None # add up card values, treat each Ace as 1 total = 0 for card in self.cards: total += card.value # determine if hand contains an Ace contains_ace = False for card in self.cards: if card.value == BJ_Card.ACE_VALUE: contains_ace = True # if hand contains Ace and total is low enough, treat Ace as 11 if contains_ace and total <= 11: # add only 10 since we've already added 1 for the Ace total += 10 return total total = property(get_total) def is_busted(self): return self.total > 21 class BJ_Player(BJ_Hand): """ A Blackjack Player. """ def is_hitting(self): response = games.ask_yes_no("\n" + self.name + ", do you want a hit? (Y/N): ") return response == "y" def bust(self): print self.name, "busts." self.lose() def lose(self): print self.name, "loses." def win(self): print self.name, "wins." def push(self): print self.name, "pushes." class BJ_Dealer(BJ_Hand): """ A Blackjack Dealer. """ def is_hitting(self): return self.total < 17 def bust(self): print self.name, "busts." def flip_first_card(self): first_card = self.cards[0] first_card.flip() class BJ_Game(object): """ A Blackjack Game. """ def init(self, names): self.players = [] for name in names: player = BJ_Player(name) self.players.append(player) self.dealer = BJ_Dealer("Dealer") self.deck = BJ_Deck() self.deck.populate() self.deck.shuffle() def get_still_playing(self): remaining = [] for player in self.players: if not player.is_busted(): remaining.append(player) return remaining # list of players still playing (not busted) this round still_playing = property(get_still_playing) def __additional_cards(self, player): while not player.is_busted() and player.is_hitting(): self.deck.deal([player]) print player if player.is_busted(): player.bust() def play(self): # deal initial 2 cards to everyone self.deck.deal(self.players + [self.dealer], per_hand = 2) self.dealer.flip_first_card() # hide dealer's first card for player in self.players: print player print self.dealer # deal additional cards to players for player in self.players: self.__additional_cards(player) self.dealer.flip_first_card() # reveal dealer's first if not self.still_playing: # since all players have busted, just show the dealer's hand print self.dealer else: # deal additional cards to dealer print self.dealer self.__additional_cards(self.dealer) if self.dealer.is_busted(): # everyone still playing wins for player in self.still_playing: player.win() else: # compare each player still playing to dealer for player in self.still_playing: if player.total > self.dealer.total: player.win() elif player.total < self.dealer.total: player.lose() else: player.push() # remove everyone's cards for player in self.players: player.clear() self.dealer.clear() def main(): print "\t\tWelcome to Blackjack!\n" names = [] number = games.ask_number("How many players? (1 - 7): ", low = 1, high = 8) for i in range(number): name = raw_input("Enter player name: ") names.append(name) print game = BJ_Game(names) again = None while again != "n": game.play() again = games.ask_yes_no("\nDo you want to play again?: ") main() raw_input("\n\nPress the enter key to exit.")

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  • Using a handle to collect output from CreateProcess()

    - by Stef
    Hi I am using CreateProcess() to run an external console application in Windows from my GUI application. I would like to somehow gather the output to know whether there were errors. Now I know I have to do something with hStdOutput, but I fail to understand what. I am new to c++ and an inexperienced programmer and I actually don't know what to do with a handle or how to light a pipe. How do I get the output to some kind of variable (or file)? This is what I have a the moment: void email::run(string path,string cmd){ WCHAR * ppath=new(nothrow) WCHAR[path.length()*2]; memset(ppath,' ',path.length()*2); WCHAR * pcmd= new(nothrow) WCHAR[cmd.length()*2]; memset(pcmd,' ',cmd.length()*2); string tempstr; ToWCHAR(path,ppath); //creates WCHAR from my std::string ToWCHAR(cmd,pcmd); STARTUPINFO info={sizeof(info)}; info.dwFlags = STARTF_USESHOWWINDOW; //hide process PROCESS_INFORMATION processInfo; if (CreateProcess(ppath,pcmd, NULL, NULL, FALSE, 0, NULL, NULL, &info, &processInfo)) { ::WaitForSingleObject(processInfo.hProcess, INFINITE); CloseHandle(processInfo.hProcess); CloseHandle(processInfo.hThread); } delete[](ppath); delete[](pcmd); } This code probably makes any decent programmer scream, but (I shouldn't even say it:) It works ;-) The Question: How do I use hStdOutput to read the output to a file (for instance)?

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  • In python, changing MySQL query based on function variables

    - by ensnare
    I'd like to be able to add a restriction to the query if user_id != None ... for example: "AND user_id = 5" but I am not sure how to add this into the below function? Thank you. def get(id, user_id=None): query = """SELECT * FROM USERS WHERE text LIKE %s AND id = %s """ values = (search_text, id) results = DB.get(query, values) This way I can call: get(5) get(5,103524234) (contains user_id restriction)

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  • Codeigniter: Using URIs with forms

    - by Kevin Brown
    I'm using URIs to direct a function in a library: $id = $this->CI->session->userdata('id'); $URI = $this->CI->uri->uri_string(); $new = "new"; if(strpos($URI, $new) === FALSE){ $method = "update"; } elseif(strpos($URI, $new) !== FALSE){ $method = "create"; } So I have two if statements directing what information to if ($method === 'update') { // Modify form, first load $this->CI->db->from('be_survey'); $this->CI->db->where('user_id' , $id); $survey = $this->CI->db->get(); $user = array_merge($user->row_array(),$survey->row_array()); $this->CI->validation->set_default_value($user); // Display page $data['user'] = $user; } $this->CI->validation->set_rules($rules); if ( $this->CI->validation->run() === FALSE ) { // Output any errors $this->CI->validation->output_errors(); } else { // Submit form $this->_submit($method); } Submit function: function _submit($method) { //Submit and Update for current User $id = $this->CI->session->userdata('id'); $this->CI->db->select('users.id, users.username, users.email, profiles.firstname, profiles.manager_id'); $this->CI->db->from('be_users' . " users"); $this->CI->db->join('be_user_profiles' . " profiles",'users.id=profiles.user_id'); $this->CI->db->having('id', $id); $email_data['user'] = $this->CI->db->get(); $email_data['user'] = $email_data['user']->row(); $manager_id = $email_data['user']->manager_id; $this->CI->db->select('firstname','email')->from('be_user_profiles')->where('user_id', $manager_id); $email_data['manager'] = $this->CI->db->get(); $email_data['manager'] = $email_data['manager']->row(); // Fetch what they entered in the form for($i=1;$i<18;$i++){ $survey["a_".$i]= $this->CI->input->post('a_'.$i); } for($i=1;$i<15;$i++){ $survey["b_".$i]= $this->CI->input->post('b_'.$i); } for($i=1;$i<12;$i++){ $survey["c_".$i]= $this->CI->input->post('c_'.$i); } $profile['firstname'] = $this->CI->input->post('firstname'); $profile['lastname'] = $this->CI->input->post('lastname'); $profile['test_date'] = date ("Y-m-d H:i:s"); $profile['company_name'] = $this->CI->input->post('company_name'); $profile['company_address'] = $this->CI->input->post('company_address'); $profile['company_city'] = $this->CI->input->post('company_city'); $profile['company_phone'] = $this->CI->input->post('company_phone'); $profile['company_state'] = $this->CI->input->post('company_state'); $profile['company_zip'] = $this->CI->input->post('company_zip'); $profile['job_title'] = $this->CI->input->post('job_title'); $profile['job_type'] = $this->CI->input->post('job_type'); $profile['job_time'] = $this->CI->input->post('job_time'); $profile['department'] = $this->CI->input->post('department'); $profile['vision'] = $this->CI->input->post('vision'); $profile['height'] = $this->CI->input->post('height'); $profile['weight'] = $this->CI->input->post('weight'); $profile['hand_dominance'] = $this->CI->input->post('hand_dominance'); $profile['areas_of_fatigue'] = $this->CI->input->post('areas_of_fatigue'); $profile['job_description'] = $this->CI->input->post('job_description'); $profile['injury_review'] = $this->CI->input->post('injury_review'); $profile['job_positive'] = $this->CI->input->post('job_positive'); $profile['risk_factors'] = $this->CI->input->post('risk_factors'); $profile['job_improvement_short'] = $this->CI->input->post('job_improvement_short'); $profile['job_improvement_long'] = $this->CI->input->post('job_improvement_long'); if ($method == "update") { //Begin db transmission $this->CI->db->trans_begin(); $this->CI->home_model->update('Survey',$survey, array('user_id' => $id)); $this->CI->db->update('be_user_profiles',$profile, array('user_id' => $id)); if ($this->CI->db->trans_status() === FALSE) { flashMsg('error','There was a problem entering your test! Please contact an administrator.'); redirect('survey','location'); } else { //Get credits of user and subtract 1 $this->CI->db->set('credits', 'credits -1', FALSE); $this->CI->db->update('be_user_profiles',$profile, array('user_id' => $manager_id)); //Mark the form completed. $this->CI->db->set('test_complete', '1'); $this->CI->db->where('user_id', $id)->update('be_user_profiles'); // Stuff worked... $this->CI->db->trans_commit(); //Get Manager Information $this->CI->db->select('users.id, users.username, users.email, profiles.firstname'); $this->CI->db->from('be_users' . " users"); $this->CI->db->join('be_user_profiles' . " profiles",'users.id=profiles.user_id'); $this->CI->db->having('id', $email_data['user']->manager_id); $email_data['manager'] = $this->CI->db->get(); $email_data['manager'] = $email_data['manager']->row(); //Email User $this->CI->load->library('User_email'); $data_user = array( 'firstname'=>$email_data['user']->firstname, 'email'=> $email_data['user']->email, 'user_completed'=>$email_data['user']->firstname, 'site_name'=>$this->CI->preference->item('site_name'), 'site_url'=>base_url() ); //Email Manager $data_manager = array( 'firstname'=>$email_data['manager']->firstname, 'email'=> $email_data['manager']->email, 'user_completed'=>$email_data['user']->firstname, 'site_name'=>$this->CI->preference->item('site_name'), 'site_url'=>base_url() ); $this->CI->user_email->send($email_data['manager']->email,'Completed the Assessment Tool','public/email_manager_complete',$data_manager); $this->CI->user_email->send($email_data['user']->email,'Completed the Assessment Tool','public/email_user_complete',$data_user); flashMsg('success','You finished the assessment successfully!'); redirect('home','location'); } } //Create New User elseif ($method == "create") { // Build $profile['user_id'] = $id; $profile['manager_id'] = $manager_id; $profile['test_complete'] = '1'; $survey['user_id'] = $id; $this->CI->db->trans_begin(); // Add user_profile details to DB $this->CI->db->insert('be_user_profiles',$profile); $this->CI->db->insert('be_survey',$survey); if ($this->CI->db->trans_status() === FALSE) { // Registration failed $this->CI->db->trans_rollback(); flashMsg('error',$this->CI->lang->line('userlib_registration_failed')); redirect('auth/register','location'); } else { // User registered $this->CI->db->trans_commit(); flashMsg('success',$this->CI->lang->line('userlib_registration_success')); redirect($this->CI->config->item('userlib_action_register'),'location'); } } } The submit function is similar, updating the db if $method == "update", and inserting if the method == "create". The problem is, when the form is submitted, it doesn't take into account the url b/c the form submits to the function "survey", which passes data to the lib function, so things are always updated, never created. *How can I pass $method to the _submit() function correctly?!*

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  • PHP Form: After getting results adding a new table row when entering new information.

    - by Chris
    Hello, Although probarly quite simple, i cannot seem to find the following. The form takes certain data, and then represents the data in a table. Next step i click the hyperlink that takes me back to the form. Now my question is how exactly do i make it possible when filling in the same form again so both results are displayed in the same table? Then filling in a other form with data adds another row and so on. Regards. The code below (pardon me that it is not english). <?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>ExpoFormulier</title> <body> <?php if (!empty($_POST)) { $standnaam = $_POST["standnaam"]; $oppervlakte = $_POST["oppervlakte"]; //value in the form van checkboxes op 1 zetten! $verdieping = isset($_POST["verdieping"]) ? $_POST["verdieping"] : 0; //if checkbox checked value 1 anders 0 $telefoon = isset($_POST["telefoon"]) ? $_POST["telefoon"] : 0; $netwerk = isset($_POST["netwerk"]) ? $_POST["netwerk"] : 0; if (is_numeric($oppervlakte)) { $_SESSION["standnaam"]=$standnaam; $_SESSION["oppervlakte"]=$oppervlakte; $_SESSION["verdieping"]=$verdieping; $_SESSION["telefoon"]=$telefoon; $_SESSION["netwerk"]=$netwerk; header("Location:ExpoOverzicht.php"); //verzenden naar ExpoOverzicht.php dmv header } else { echo "<h1>Foute gegevens, Opnieuw invullen a.u.b</h1>"; } } ?> <form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="post" id="form1"> <h1>Vul de gegevens in</h1> <table> <tr> <td>Standnaam:</td> <td><input type="text" name="standnaam" size="18"/></td> </tr> <tr> <td>Oppervlakte (in m^2):</td> <td><input type="text" name="oppervlakte" size="6"/></td> </tr> <tr> <td>Verdieping:</td> <td><input type="checkbox" name="verdieping" value="1"/></td> <!--value op 1 zetten voor checkbox! indien checked is value 1 --> </tr> <tr> <td>Telefoon:</td> <td><input type="checkbox" name="telefoon" value="1"/></td> </tr> <tr> <td>Netwerk:</td> <td><input type="checkbox" name="netwerk" value="1"/></td> </tr> <tr> <td><input type="submit" name="verzenden" value="Verzenden"/></td> </tr> </table> </form> Second File: <?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-Strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>ExpoOverzicht</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link href="StyleSheetExpo.css" rel="stylesheet" type="text/css" /> </head> <body> <h1>Overzicht van de ingegeven standen in deze sessie</h1> <?php $standnaam = $_SESSION["standnaam"]; $oppervlakte = $_SESSION["oppervlakte"]; $verdieping = $_SESSION["verdieping"]; $telefoon = $_SESSION["telefoon"]; $netwerk = $_SESSION["netwerk"]; $result1 = 0; //telkens declaren anders fout "undefined variable" $result2 = 0; $result3 = 0; $prijsCom = 0; $prijsVerdieping = 0; for ($i=1; $i <= $oppervlakte; $i++) { if($i <= 10) { $tarief1 = 1 * 100; $result1 += $tarief1; } if($i > 10 && $i <= 30) { $tarief2 = 1 * 90; $result2 += $tarief2; } if($i > 30) { $tarief3 = 1 * 80; $result3 += $tarief3; } } $prijsOpp = $result1 + $result2 + $result3; if($verdieping == 1) { $prijsVerdieping = $oppervlakte * 120; } if(($telefoon == 1) || ($netwerk == 1)) // eerst deze OR conditie of anders gebruikt de code alleen nog maar 20 { $prijsCom = 20; } if(($telefoon == 1) && ($netwerk == 1)) { $prijsCom = 30; } $totalePrijs = $prijsOpp + $prijsVerdieping + $prijsCom; echo "<table class=\"tableExpo\">"; echo "<th>Standnaam</th>"; echo "<th>Oppervlakte</th>"; echo "<th>Verdieping</th>"; echo "<th>Telefoon</th>"; echo "<th>Netwerk</th>"; echo "<th>Totale prijs</th>"; echo "<tr>"; echo "<td>".$standnaam."</td>"; echo "<td>".$oppervlakte."</td>"; echo "<td>".$verdieping."</td>"; echo "<td>".$telefoon."</td>"; echo "<td>".$netwerk."</td>"; echo "<td>".$totalePrijs."</td>"; echo "</tr>"; echo "</table>"; ?> <a href="ExpoFormulier.php">Terug naar het formulier</a> </body> </html> </body> </html>

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  • Java : method to to print relative pathname?

    - by HH
    I am hesitant just to look at some env.vars and try to replace things with regexes. So is there a ready method to print relative pathnames system-independently? $ echo ~ /u/user $ pwd /u/user/OH/one/src $ echo "Like relative pathnames ~/OH/one/src, not /u/user/OH/one/src."

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  • I'm trying to build a to-do-list application in Objective C but coming up short.

    - by lampShade
    I'm getting this error: -[NSCFArray insertObject:atIndex:]: attempt to insert nil Here is the .m file: /* IBOutlet NSTextField *textField; IBOutlet NSTabView *tableView; IBOutlet NSButton *button; NSMutableArray *myArray; */ #import "AppController.h" @implementation AppController -(IBAction)addNewItem:(id)sender { myArray = [[NSMutableArray alloc]init]; tableView = [[NSTableView alloc] init]; [tableView setDataSource:self]; [textField stringValue]; NSString *string = [[NSString alloc] init]; string = [textField stringValue]; [myArray addObject:string]; NSLog(@"%d",[myArray count]); NSLog(@"%@",string); } - (int)numberOfRowsInTableView:(NSTableView *)aTableView { return [myArray count]; } - (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex { //NSString *data = [myArray objectAtIndex:rowIndex]; return [myArray objectAtIndex:rowIndex]; } @end

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  • How to determine which inheriting class is using an abstract class' methods.

    - by Kin
    In my console application have an abstract Factory class "Listener" which contains code for listening and accepting connections, and spawning client classes. This class is inherited by two more classes (WorldListener, and MasterListener) that contain more protocol specific overrides and functions. I also have a helper class (ConsoleWrapper) which encapsulates and extends System.Console, containing methods for writing to console info on what is happening to instances of the WorldListener and MasterListener. I need a way to determine in the abstract ListenerClass which Inheriting class is calling its methods. Any help with this problem would be greatly appreciated! I am stumped :X Simplified example of what I am trying to do. abstract class Listener { public void DoSomething() { if(inheriting class == WorldListener) ConsoleWrapper.WorldWrite("Did something!"); if(inheriting class == MasterListener) ConsoleWrapper.MasterWrite("Did something!"); } } public static ConsoleWrapper { public void WorldWrite(string input) { System.Console.WriteLine("[World] {0}", input); } } public class WorldListener : Listener { public void DoSomethingSpecific() { ConsoleWrapper.WorldWrite("I did something specific!"); } } public void Main() { new WorldListener(); new MasterListener(); } Expected output [World] Did something! [World] I did something specific! [Master] Did something! [World] I did something specific!

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  • How I can get rid of None values in dictionary?

    - by Vojtech R.
    Something like: for (a,b) in kwargs.iteritems(): if not b : del kwargs[a] This code raise exception because changing of dictionary when iterating. I discover only non pretty solution with another dictionary: res ={} res.update((a,b) for a,b in kwargs.iteritems() if b is not None) Thanks

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