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  • Store return value of function in reference C++

    - by Ruud v A
    Is it valid to store the return value of an object in a reference? class A { ... }; A myFunction() { A myObject; return A; } //myObject goes out of scope here void mySecondFunction() { A& mySecondObject = myFunction(); } Is it possible to do this in order to avoid copying myObject to mySecondObject? myObject is not needed anymore and should be exactly the same as mySecondObject so it would in theory be faster just to pass ownership of the object from one object to another. (This is also possible using boost shared pointer but that has the overhead of the shared pointer.) Thanks in advance.

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  • How to get a Javascript routine to NOT act if it's in a text box?

    - by talkingnews
    I've got a simple page, and in that page runs a simple jquery keypress routine to catch clicks of the numbers 1 to 9 (has to be that to pass RNIB accessibility test). And in that page is a form, which can have numbers entered as part of a postcode. http://find.talking-newspapers.co.uk/result.php?addressInput=kingston Scroll to the bottom, try typing 8 or 9 for example. The text is entered, but it also acts on the keypress. Expected, but not good. I'm aware of various things like document.getElementById, but I can't figure out how to put these together to ensure that while the cursor is in the text input box, it doesn't act out the keypress catcher.

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  • C++ Stringstream int to string but returns null

    - by jumm
    Hi below is my function: string Employee::get_print(void) { string out_string; stringstream ss; ss << e_id << " " << type << endl; out_string = ss.str(); return out_string; } e_id and type are int and they contain values from the class Employee. But when I pass them into the stringstream they just clear the string when I try to out put it. But if I don't have a int in the ss << "Some text" << endl; this output fine. What am I doing wrong =S

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  • triggers for generating userID based on user's information.

    - by nectar
    I have complaint table 1. tblProfile with columns userId | name | age | address | mobileno | 2. tblUserId with columns userId | role | status now when user fills the form I want to insert one row in tblProfile, before inserting a new row I want to create userId by combining starting letters of name and mobile no and then insert into tblprofile with userId after this I want to insert that UserId into tblUserId table. for this I have to use two triggers one is before insert trigger and another is after insert trigger.but I dont know how to capture user information to create userId and how to pass that Id to second trigger.

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  • Is support for recovering purchases mandatory for consumable products?

    - by Drux
    Apple's documentation for iOS 7 makes me think it is not, for it makes a distinction between "restored by the system" (i.e. built into iOS 7), "restored by your app" (i.e. functionality required inside app"), and "not required". The fact there being three (and not two) options and product type "consumable" being marked as "not restored" makes me think that an app that does not support restoring consumable product may still pass Apple's review process. However this popular question and answer seem to suggest that such support is required ("I read somewhere ...") But would this not amount to "consumable" taking on "restored by your app" semantics, which seems to contradict the quoted piece of Apple documentation.

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  • UTC-8 conversion

    - by leachianus
    Hey guys, I am grabbing a JSON array and storing it in a NSArray, however it includes JSON encoded UTF-8 strings, for example pass\u00e9 represents passé. I need a way of converting all of these different types of strings into the actual character. I have an entire NSArray to convert. Or I can convert it when it is being displayed, which ever is easiest. I found this chart http://tntluoma.com/sidebars/codes/ is there a convenience method for this or a library I can download? thanks, BTW, there is no way I can find to change the server so I can only fix it on my end...

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  • Creating a Dynamic Image using Friends pictures

    - by Narendra Rajput
    I am working on a Facebook for which I need to get all the Profile Pictures of Friends of the users. Which I did using FQL query. I need these images for creating a poster of all the Friends Profile pics along tags in them. For that I need to create a Dynamic poster for every user with their Friends tagged in them. I tried using the GD Library for PHP. I tried with the imagecreatefromjpeg() function of php for which I can use one image and pass it to the main image. But here I have more than 1 images (average about 100 images) depending on the number of friends the user has. What function do I need to create this dynamic poster ? Please any help would be appreciated !!

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  • Codeigniter: Retrieving data from multiple tables and displaying results

    - by Craig Ward
    Hi, I am developing my first big application using codeigniter and need a little help as I am fairly new to it all. I know how to get records out of the DB and display them, but I now have to get results from two tables and display them. I pass $data to the view, it works fine for $data['prop'] but I can't get the rest. $data['prop'] = $this->ManageProperty_model->get_property_details($p_id); $data['img'] = $this->ManageProperty_model->get_property_images($p_id); $this->load->model('ManageBranch_model'); $data['branch'] = $this->ManageBranch_model->get_branch_details($p_id); I usually echo out results like so: <?php foreach ($prop as $p) : ?> <?php echo $p->ID; ?> <?php endforeach; ?> Even if there is only 1 row being returned as I am not sure of another way.do I need a foreach for img and branch?

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  • Dropdown selection navigation to different page with dropdown values; Asp.Net + Javascript

    - by fzshah76
    I want to access drop down menu's variable in java script on change event, here is my code <asp:DropDownList ID="DropDownList1" runat="server" onchange="document.location.href = url_Lookbook;" > <asp:ListItem Value="0">hello</asp:ListItem> <asp:ListItem Value="1">world</asp:ListItem> </asp:DropDownList> here is the script coding: <script type="text/javascript"> var url_Lookbook = "http://microsoft.com"; </script> My question is how do I pass down value=0 or value = 1 to different page, any help is appreciated.

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  • Mysql table data problem?

    - by DaTeNtImE
    I'm new to mysql and was wondering how can I add the users birthdate in the following HTML format to the MYSQL table data listed below? How would the structure look like for example email VARCHAR(80) NOT NULL,? Here is the HTML code below. <li><label>Date of Birth: </label> <label for="month">Month: </label> <select name="month" id="month"> <option value="January">January</option> <option value="February">February</option> <option value="March">March</option> <option value="April">April</option> <option value="May">May</option> <option value="June">June</option> <option value="July">July</option> <option value="August">August</option> <option value="September">September</option> <option value="October">October</option> <option value="November">November</option> <option value="December">December</option> </select> <label for="day">Day: </label> <select id="day" name="day"> <option value="0" selected="selected">Day</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> <option value="4">4</option> <option value="5">5</option> <option value="6">6</option> <option value="7">7</option> <option value="8">8</option> <option value="9">9</option> <option value="10">10</option> <option value="11">11</option> <option value="12">12</option> <option value="13">13</option> <option value="14">14</option> <option value="15">15</option> <option value="16">16</option> <option value="17">17</option> <option value="18">18</option> <option value="19">19</option> <option value="20">20</option> <option value="21">21</option> <option value="22">22</option> <option value="23">23</option> <option value="24">24</option> <option value="25">25</option> <option value="26">26</option> <option value="27">27</option> <option value="28">28</option> <option value="29">29</option> <option value="30">30</option> <option value="31">31</option> </select> <label for="year">Year: </label><input type="text" name="year" id="year" /></li> Here is the MySQL table data. CREATE TABLE users ( user_id INT UNSIGNED NOT NULL AUTO_INCREMENT, first_name VARCHAR(20) NOT NULL, last_name VARCHAR(40) NOT NULL, email VARCHAR(80) NOT NULL, pass CHAR(40) NOT NULL, user_level TINYINT(1) UNSIGNED NOT NULL DEFAULT 0, active CHAR(32), registration_date DATETIME NOT NULL, PRIMARY KEY (user_id), UNIQUE KEY (email), INDEX login (email, pass) );

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  • Can't get a SQL command to recognise the params added

    - by littlechris
    Hi, I've not used basic SQL commands for a while and I'm trying to pass a param to a sproc and the run it. However when I run the code I get a "Not Supplied" error. Code: SqlConnection conn1 = new SqlConnection(DAL.getConnectionStr()); SqlCommand cmd1 = new SqlCommand("SProc_Item_GetByID", conn1); cmd1.Parameters.Add(new SqlParameter("@ID", itemId)); conn1.Open(); cmd1.ExecuteNonQuery(); I'm not really sure why this would fail. Apologies for the basic question, but I'm lost! Thanks in advance.

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  • Passing values from action class to model class in symfony

    - by THOmas
    I have a action class for saving some data to a database.In action class iam getting a id through url.I have to save the id in table. I am getting the id by $request-getParameter('id') I used this code for saving $this-form-bind($request-getParameter('question_answers')); if ($this-form-isValid()) { $this-form-save(); $this-redirect('@homepage'); } in model class i used a override save method to save extra field public function save(Doctrine_Connection $conn = null) { if ($this-isNew()) { $now=date('Y-m-d H:i:s', time()); $this->setPostedAt($now); } return parent::save($conn); so i want to get the id value here . So how can i pass id value from action class to model class is any-other way to save the id in action class itself Thanks in advance

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  • Sending message from one server to another in Twisted

    - by Casey Patton
    I've implemented my servers in the following way: def makeServer(application, port): factory = protocol.ServerFactory() factory.protocol = MyChat factory.clients = [] internet.TCPServer(port, factory).setServiceParent(application) application = service.Application("chatserver") server1 = makeServer(application, port=1025) server2 = makeServer(application, port=1026) server3 = makeServer(application, port=1027) Note that MyChat is an event handling class that has a "receiveMessage" action: def lineReceived(self, line): print "received", repr(line) for c in self.factory.clients: c.transport.write(message + '\n') I want server1 to be able to pass messages to server2. Rather, I want server1 to be treated as a client of server2. If server1 receives the message "hi" then I want it to send that same exact message to server2. How can I accomplish this?

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  • how to store passwords in database?

    - by rgksugan
    I use jsp and servlets in my web application. i need to store passwords in the database. I found that hashing will be the best way to do that. I used this code to do it. java.security.MessageDigest d = null; d = java.security.MessageDigest.getInstance("SHA-1"); d.reset(); d.update(pass.getBytes("UTF-8")); byte b[] = d.digest(); String tmp = (new BASE64Encoder()).encode(b); When i tried to print the value of tmp, i get some other value.i guess its the hash value of the password. But when i persist this data to the database the original password gets saved there other than the value in tmp.. What is the problem???

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  • Can somone help fix up my simple regex query, please?

    - by Pure.Krome
    Hi folks, yep - another noob regex query, which I can't seem to get. I'm trying to get all matches for the string foo.mydomain.com/ or foo.mydomain.com:1234/ or foo.mydomain.com:<random port>/ but any other paths do not match, ie. foo.mydomain.com/bar or foo.mydomain.com/bar/pewpew I tried to use: foo.mydomain.com(.*)/$ ( starts with anything, then foo.mydomain.com, then any thing after that .. until a slash. then end. (this search query is anchored to the end of the line). but that doesn't work. It doesn't match when i pass in foo.mydomain.com:1234 but it correct says foo.mydomain.com/bar/pewpew is not a match (as expected). any ideas?

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  • Rewriting usort function because of fatal error (PHP bug)

    - by Lionel
    The two following usort functions throw fatal error Base lambda function for closure not found in our productive environment (PHP 5.4). This seems to be a known PHP bug that should be fixed by now (https://bugs.php.net/bug.php?id=52144), but it still occurs for us. Anyway, we unfortunately don't have time to figure out what's wrong with our PHP configurations etc. We would like to rewrite these two functions without the use of anonymous functions, so that the error doesn't occur anymore. Ordering of a multidimensional array ($array) by value of key "position": usort($array, function($a, $b) { return $a['position'] - $b['position']; }); Ordering of a multidimensional array ($array) according to the order of a second array ($position_order): usort($array, function($a, $b) use($position_order) { return (isset($position_order[$a['ftid']]) ? ($position_order[$a['ftid']] - $position_order[$b['ftid']]) : 1); }); Especially the latter causes some headache, as we don't know how to pass the "outside" array $position_order.

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  • Sending string from class to Form1

    - by Farstucker
    Although there are some similar questions I’m having difficulties finding an answer on how to receive data in my form from a class. I have been trying to read about instantiation and its actually one of the few things that does make sense to me :) but if I were to instantiate my form, would I not have two form objects? To simplify things, lets say I have a some data in Class1 and I would like to pass a string into a label on Form1. Is it legal to instantiate another form1? When trying to do so it looks like I can then access label1.Text but the label isn’t updating. The only thing I can think of is that the form needs to be redrawn or there is some threading issue that I’m unaware of. Any insight you could provide would be greatly appreciated.

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  • C# / Entity Framework / Linq question regarding calling a method when a class is accessed...

    - by Daniel
    So this is probably really basic, but I'm fairly new to all this. I am using Entity Framework with POCO entities. I want to call a method when a class property is set. I am trying to build an advertisement platform. I have a Customer class, a Venue class and an Advertisement class. I have my indexes set up in such a way that I can call customer.venue. However, I want to be able to call Customer.Venue.CurrentAdvertisement and have it execute a method (if CurrentAdvertisement is null) and return the current advertisement. I know I can explicitly set it every time, but I want to be able to override my classes so that whenever the CurrentAdvertisement property is accessed via LINQ it runs that method to return an ad. In order to do this I need to pass the Venue class a variable (venue name).

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  • How to append to an XML response an error attribute using Ruby on Rails 3?

    - by user502052
    I am trying to implement REST APIs, so in my RoR3 application I have XML responses. Before to pass to a consumer the XML, I wuold like to check if there are errors and, if so, send back a response with error messages. I read "Active Record Validations and Callbacks" guides on the RoR website, but it seems not work in my case. I extract from the database a resource doing @response = User.find_by_id(1) and I wuold like, if possible, to add error to it. Seeing some examples I have seen how to report errors in an XML file format.xml { render :xml => @response.errors } but how I can add append new errors to the @response? Maybe something like this: errors.add(:password, "is invalid")

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  • How do I modify gitstats to only utilize a specified file extension for it's statistics?

    - by Fake Code Monkey Rashid
    Hello good people! The website of the statistics generator in question is: http://gitstats.sourceforge.net/ It's git repo can be cloned from: git clone git://repo.or.cz/gitstats.git What I want to do is something like: ./gitstatus --ext=".py" /input/foo /output/bar Failing being able to easily pass the above option without heavy modification, I'd just hardcore the file extentsion I want to be included. However, I'm unsure of the relevant section of code to modify and even if I did no, I'm unsure of how to start such modifications. It's seems like it'd be rather simple but alas...

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  • In App Purchase no valid Product IDs

    - by david
    I'm trying to get In App Purchase with my existing iPad App working. I'm stuck retrieving the Product Information from App Store: - (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response The SKProductsResponse only contains invalid Product IDs. I tried every potential solution I found here or on the net: my App ID has In App enabled I generated a new provisioning profile and installed it on my device I restarted the device my App ID is the same as in my Info.plist (it's in the Store since weeks) I added In App Purchases for the App with "cleared for sale" checked I added Screenshots to my In App Purchases I tried different naming schemes for the Product ID I made triple checked that I pass the correct Product ID to the SKProductsRequest I'm passing a NSSet to the SKProductsRequest instead of a MutableSet I updated my App with the upcoming version containing in App purchase and submitted it for Review I approved one of my In App Purchases, just to see if that helps I waited more than 24 hours All of these actions brought me nothing but invalid Product IDs. I hope someone can point me into the right direction, because I'm running out of ideas.

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  • How can I make a multi search SPROC/UDF by passing a tabled-value to it?

    - by Shimmy
    I actually want to achieve the following description This is the table argument I want to pass to the server <items> <item category="cats">1</item> <item category="dogs">2</item> </items> SELECT * FROM Item WHERE Item.Category = <one of the items in the XML list> AND Item.ReferenceId = <the corresponding value of that item xml element> --Or in other words: SELECT FROM Items WHERE Item IN XML according to the splecified columns. Am I clear enought? I don't mind to do it in a different way other than xml. What I need is selecting values that mach an array of two of its columns' values.

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  • php $_REQUEST data is only half-decoded

    - by hackmaster.a
    I am retrieving a url via querystring. I need to pass it again to the next page. When I retrieve it the first time, using $_REQUEST['url'], only the slashes are decoded, e.g: http://example.com/search~S10?/Xllamas&searchscope=10&SORT=D/Xllamas&searchscope=10&SORT=D&SUBKEY=llamas/51%2C64%2C64%2CB/browse The php docs page for urldecode advises against decoding request data, and says that it will already be decoded. I need it either completely decoded, so I can encode it again without double-encoding some parts, or not decoded at all. I'm not sure why my experience of this data is incongruous with the php docs. Appreciate any help or pointers to same!!

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  • criteria of software program being intelligent

    - by bobah
    Just out of curiosity, assuming there exists an software life form. How would you detect him/her? What are your criteria of figuring out if something/someone is intelligent or not? It seems to me that it should be quite simple to create such software once you set the right target (not just following a naive "mimic human-pass Turing Test" way). When posting an answer try also finding a counter example. I have real difficuly inventing anything consistent which I myself agree with. Warmup

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  • Facebook login on headless browser

    - by dmni
    My Facebook app has a function of automating tasks on server side headless browser (like visiting app links). Now, I use the Facebook SDKs to log user in and access user's news stream to search for links and other information. Once the app has found all the links, it is supposed to pass this information in to the headless browser which will then proceed to visit in them for example. The problem is that these headless browser windows' are not logged in. I would like the headless browser to be temporary logged in as the user launching the tasks from the app. Is this possible?

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