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• Do you have to call .Save() when modifying a application setting that is bound to a control property

  - by Jordan S

  I am programming in .NET I have an application setting of type string. On my form I have a textbox. I bound the text property of the textbox to my application setting. If I type something in the textbox it changes the value that is held in the Application setting but the next time I start the program it goes back to the default value. Do I need to call Properties.Settings.Default.Save(); after the text is entered for the new value to be saved? Shouldn't it do this automatically? Is there a way I can make it do it automatically?

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• JQuery .get() only passing first two data parameters in url

  - by The.Anti.9

  I have a $.get() call to a PHP page that takes 4 GET parameters. For some reason, despite giving the $.get() call all 4, it only passes the first two. When I look at the dev console in chrome, it shows the URL that gets called, and it only passes action and dbname. Heres the code: $.get('util/util.php', { action: 'start', dbname: db, url: starturl, crawldepth: depth }, function(data) { if (data == 'true') { status = 1; $('#0').append(starturl + "<ul></ul>"); $('#gobutton').hide(); $('#loading').show("slow"); while(status == 1) { setTimeout("update()",10000); } } else { show_error("Form data incomplete!"); } }); and heres the URL that I see in the developer console: http://localhost/pci/util/util.php?action=start&dbname=1hkxorr9ve1kuap2.db

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• forcing to Not to process an event

  - by BDotA

  C# WinApps: the main form has a key binding to CTRL-V ...so anywhere in the main app when I press CTRL-V something runs..good ... but also there are some MDI apps that are opening inside this main app ... in one of those there is a test box...ah! now CTRL-V also has a meanining for text box which is "Paste" ... so I added PreViewKeyDown to textbox and handled it, so now it is pasting BUT it is ALSO doing the main CTRL-V key binding that I had defined for the whole app ... but I do no want this to happen.... what can I do? ( I cannot change the key binding od the main app. I must keep it.)

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• How to override virtual function in good style? [C++]

  - by Knowing me knowing you

  Hi, guys I know this question is very basic but I've met in few publications (websites, books) different style of override virtual function. What I mean is: if I have base class: class Base { public: virtual void f() = 0; }; in some publications I saw that to override this some authors would just say: void f(); and some would still repeat the virtual keyword before void. Which form of overwriting is in good style? Thank you for your answers.

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• C# - can you name a matrix with the contents of a string

  - by RHodgett

  Basically I have x amount of matrices I need to establish of y by y size. I was hoping to name the matrices: matrixnumber1 matrixnumber2..matrixnumbern I cannot use an array as its matrices I have to form. Is it possible to use a string to name a string (or a matrix in this case)? Thank you in advance for any help on this! for (int i = 1; i <= numberofmatricesrequired; i++) { string number = Convert.ToString(i); Matrix (matrixnumber+number) = new Matrix(matrixsize, matrixsize); }

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• file_get_contents not working

  - by DCD

  I am trying to read a file in with file_get_contents () - it's a remote HTTP file, and I've checked the URL and it's fine. Only it doesn't work. More to the point the the error message is the standard Firefox server error: The connection was reset The connection to the server was reset while the page was loading. ... rather than any form of PHP error. It also only took a couple of seconds to come back so it can't be hitting the script runtime limit - any ideas on what is going wrong here? It's PHP 5 on Apache 2, running on Windows btw.

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• Preventing SQL injecting in a database class

  - by Josh

  I'm building a database class and thought it'd be a good idea to incorporate some form of SQL injection prevention (duh!). Here's the method that runs a database query: class DB { var $db_host = 'localhost'; var $db_user = 'root'; var $db_passwd = ''; var $db_name = 'whatever'; function query($sql) { $this->result = mysql_query($sql, $this->link); if(!$this->result) { $this->error(mysql_error()); } else { return $this->result; } } } There's more in the class than that but I'm cutting it down just for this. The problem I'm facing is if I just use mysql_real_escape_string($sql, $this->link); then it escapes the entire query and leads to a SQL syntax error. How can I dynamically find the variables that need to be escaped? I want to avoid using mysql_real_escape_string() in my main code blocks, i'd rather have it in a function. Thanks.

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• How to retrieve value from asp.net textbox from javascript?

  - by Clean

  Hi, I have an asp.net web form with a couple of asp.net textbox controls: <asp:TextBox ID="txtTextBox" runat="server" /> . I have a javascript file tools.js that are included in the page: <script src="tools.js" type="text/javascript"></script> How can I access the value from txtTextBox from javascript? Ive tried using document.getElementById('<%= txtTextBox.ClienID %>').value; document.getElementById('<%= txtTextBox.UniqueID %>').value; document.getElementById('<%= txtTextBox %>').value; but none of them works. Any ideas?

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• using jquery $.post() for returning multiple values

  - by Aninemity

  Hi all I am trying to use a $.post() in the following way: $.post("file.php", { file_id: $(this).val()}, function(data){...} The file.php then does a database query and returns an array with a title, description and image reference. What I want to do then is be able to update the .val() for form fields for each. I understand how to do this on a single variable, it would just be the following: $.post("file.php", { file_id: $(this).val()}, function(data){ $('#title').val(data); } But, how do I get the data returned to be recognizable in jquery as either separate variables or as an array? Thanks in advance

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• How do I gather a class' css attributes given nothing but the className?

  - by user1128571

  For example I might have some css stuff that looks like this: .divType1 { position: absolute; width: 60px; height: 60px; left: 400px; top: 100px; border: 1px solid #89B; z-index: 0; } Now within Javascript I want to gather div class divType1' css attributes, but am provided only with the div class, so I can't do something of form ( pseudo-code ): selectDivWithClass( divType1 ).getCss(left). I could hack something by instantiating a div with class divType1 and grab its css attributes, and then destroy it, but is there a better way?

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• Whats the best way to parse a file in Java

  - by chitresh

  Hi All, I have a text file with Tag - Value format data. I want to parse this file to form a Trie. What will be the best approach? Sample of File: (String inside "" is a tag and '#' is used to comment the line.) #Hi, this is a sample file. "abcd" = 12; "abcde" = 16; "http" = 32; "sip" = 21;

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• trying to use PHP extract() within a function

  - by samuelf

  Hi, I have the two following files: main.php include("functions.php") __EXTRACT(); echo $testvar; functions.php function __EXTRACT(){ extract($_POST, EXTR_SKIP); } However, having a form with a textbox called testvar I can't get the extract function to extract the data.. if I remove the function call and insert it the extract statement directly into main.php it works. The include is not a problem as other functions in it works. Any ideas? Cheers

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• Application file (Real world example)

  - by aalhamad

  Looking for guidelines to create application file. For example I have an application that store user input into a file (Textbox, DataGrid, ListBox etc). I'm looking for WPF-C# implementation. I would like to have the following: If user edit a any form(Textbox, etc) an asterisk is displayed to the window title. When window is closed and asterisk is still there, a promote "Would you like to save changes" appears. If then saved the asterisk disappear. What do real applications use to create their application file? (Note: I'm not looking for database saving or SQL) I'm just looking for hints and guidelines. Thank you.

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• Sphinx without using an auto_increment id

  - by squeeks

  I am current in planning on creating a big database (2+ million rows) with a variety of data from separate sources. I would like to avoid structuring the database around auto_increment ids to help prevent against sync issues with replication, and also because each item inserted will have a alphanumeric product code that is guaranteed to be unique - it seems to me more sense to use that instead. I am looking at a search engine to index this database with Sphinx looking rather appealing due to its design around indexing relational databases. However, looking at various tutorials and documentation seems to show database designs being dependent on an auto_increment field in one form or another and a rather bold statement in the documentation saying that document ids must be 32/64bit integers only or things break. Is there a way to have a database indexed by Sphinx without auto_increment fields as the id?

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• Django model data consistency

  - by Mark

  When creating a form, you can define a bunch of methods, clean_xyz, to make sure the data gets forced into the correct format. Is there any way to do this on a model level? Perhaps I can override the field setters somehow? I want it so that if I write something like my_address.postal_code = 'a1b2c3' It will automatically get formatted into A1B 2C3. Perhaps throw an exception if it can't be converted. That way I know I'll never have any malformed data in the database.

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• Facebook access_token: how do I get it once the user accepted my app?

  - by hoktar

  When a user visits my site which contains a facebook app the first time, it requires him to allow it and he gets promted to do that, then I get the code which I can convert to an access_token. So far so good. But how do I get the token once the user has already visited the site? As long as this token form the first time is active everything is fine. But how do I get another token when the user had already allowed the app a week ago and is only visiting my page again?

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• Build divs JS functions included in JS or jQuery from ajax & php data

  - by dstonek

  If a user checks a form checkbox I want to create a new div. Dynamic data is loaded from ajax and php. I am asking how to create it with JS or jQuery. A simplified version will look something like <div id="ajaxSRC1" class="CLASS"> <a href="javascript:void(0)" onmouseover="return myFunction('ajaxSRC5', 'ajaxSRC6')"> <img src="ajaxSRC2" width="ajaxSRC3" height="ajaxSRC4" alt="..." /> </a> </div>

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• JQuery input hidden bug

  - by Abude

  this is the code: Jsfiddle when you clear the url filed and leave it empty the input is hidden and disappear , need to return to the input tag wit h display if the value is empty by click or tab. i have a form with inputs the url input is edited by clicking on the link double click or click next to the link that means in the div area when it's done editing it converts the text to link the Problem: when you leave the input empty it make the attribute of the code and the input attribute hidden so no info is show neither can type an info. how can i make if that input with the id url0/url1 is empty to return to the input option to make it visible and can type?

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• How to encode content to send them via jquery to a php file?

  - by phpheini

  I am trying to send a form to a php file via jquery. The problem is, that the content, which has to be sent to the php file, contains slashes (/) since there is bb code inside. So I tried the following: $.ajax( { type: "POST", url: "create.php", data: "content=" + encodeURIComponent(content), cache: false, success: function(message) { $("#somediv").html(message); } }); In the php file I use rawurldecode to decode the content and get my bb codes back which I can then transform into html. The problem is as soon as I put the encodeURIComponent() it will ouput: [object HTMLTextAreaElement] What does that mean, where is my mistake? Thanks for your help! phpheini

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• mysql querying age from dob

  - by Confused

  My MySQL database has date of birth stored in the format yyyy-mm-dd, how do I query the database - without using php code - to show me results of people born within x years of now, and/or, who are y years of age? The table is called users, the colum is called dob. I've spent a while viewing the MySQL manual but I can't work out precisely how to form my query. So far I went for select * from users where dob... but I don't think that's the way to go.

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• Using a database with C#

  - by Mike

  I have been trying to do something that I think would be really easy but have never used C# before and am having trouble with the details. I simple want to use a sql database with Visual C# Express 2008. For testing purposes I have a datagrid on my form that can reflect changes to the db. If i use this: codesTableAdapter.Fill(dataSet1.codes); The datagrid(dataset) will fill with the info from the sql database. If i then do something like this: codesTableAdapter.InsertQuery(txtCode.Text,txtName.Text); codesTableAdapter.Fill(dataSet1.codes); codesTableAdapter.Update(dataSet1); dataSet1.AcceptChanges(); The datagrid reflects the changes but if close the program and go to the database the changes are not there. When I open the program again the changes are not there. I have a feeling this isn't too clear as my understanding here is very low so please let me know what other info is needed. Thanks

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• need the right way to setcookie in wordpress

  - by jq beginner

  i've been looking the whole day how to setcookies in wordpress. in my way i found out (using the developer toolbar) that the cookie is set but still not working. i have 2 files the first contains the login form redirecting to another page to set the cookie and return to another page to check if it's working. domain which is tested on is like this : blog.mydomain.com. here's the setcookie file : <?php setcookie("user_name","test",time()+3600); ?> and chcking the cookie like this : if(isset($_COOKIE["user_name"])){ echo "cookie exists"; } else{ echo "cookie doesn't exist"; } i've read many topics about this issue but there was no clear answer. Thanks in advance

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• IE7 and IE8 change event not being thrown for text input

  - by Sam

  I have a form that I auto focus at startup of the page with jquery. I also have change event handlers in place for whenever an input changes. If I change the value of the first field that was autofocused, and then move to the next field, the change event handler doesn't fire. If I remove the autofocusing, and just focus manually, then change it then move to the next field, the change event does fire. This only happens on IE. It works fine on firefox and chrome. Anyone experience this before?

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• Rails 3 does not render HTML as markup

  - by suebphatt

  Hello, Stackoverflow. I submitted a form, to create single row in SQL database table, as a blog entry: <p>This is a paragraph.</p> And the result, when I query it out for display, via Rails's ActiveRecord, it rendered like this, : <p>This is a paragraph.</p> and here's the code, when I view source in browser: &lt;p&gt;This is a paragraph.&lt;/p&gt; How do I solve this? Or I just have to convert the < and > by Javascript? Thank you :)

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• How to reset a portlet parameter on a button click?

  - by aditibhat

  I have a Liferay portlet param "cmd" in my JSP page, which is initialized to a value "update". I need this value to be get changed to "delete", when a user clicks on the delete button of the form. How I can go about it? <liferay-portlet:actionURL varImpl="edit_survey_form_action"> <portlet:param name="cmd" value="update" /> <input class="optsurvey-submit" type="submit" name="submitButton" value="Delete" onclick="??????"/>

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