empty

$_FILES empty on image upload

i need help, i'm programing some kind of catalogue and i have a page where clients can upload their logo or images. every page i make is included in index.php and my url looks like something like this www.url.com/index.php?s=upload where "upload" is name of upload.php file. when i create form on that upload.php file and submit it, $_FIL...

Django - Empty session data in ajax requests

Hi guys, I have an ajax view where I want to set a session variable like such: def upload(request, *args, **kwargs): request.session['test'] = 'test' request.session.modified = True print request.session.items() I have another normal view something like this: def advertise(request): print request.session.ite...

empty() behavior

Maybe I'm asking a stupid question, but I can't understand this behavior: <?php $this->meeting->google_id = 'test'; $test = $this->meeting->google_id; var_dump(empty($test)); var_dump(empty($this->meeting)); var_dump(empty($this->meeting->google_id)); ?> gives output: bool(false) bool(false) bool(true) Why the ...

html.actionlink with .net 4.0 renders empty links

This should hopefully be a simple configuration problem. When my application targets .Net 3.5 This code <%= Html.ActionLink("Forgot your password?","ForgotPassword") %> renders this: <a href="/Account/ForgotPassword">Forgot your password?</a> When my application targets .Net 4.0 The same code renders: <a href="">Forgot your ...

How to access empty ASP.NET ListView.ListViewItem to apply a style after all databinding is done?

We're using a ListView with a GroupTemplate to create a three-column navigation menu with six items in each column, filling in two non-data-bound rows in the last column with an EmptyItemTemplate that contains an empty HTML list item. That part works fine, but I also need to programmatically add a CSS class to the sixth (last) item in ea...

finding empty directories unix

i need to find empty directories for given list of directories some directories have directories inside it if inside directories also empty i can say main directory is empty otherwise it's not empty how can i test this for example A>A1(file1),A2 this is not empty beacuse of file1 B>B1(no file) this is empty C>C1,C2 this is empty ...

How do I determine if form field is empty with jQuery?

I've got a form with two fields, firstname and lastname. The user does not have to fill in the fields. When the user clicks the submit button, a jquery dialog displays with the data the user entered in the form. I only want to show the data for the fields that were entered. I'm trying to do an if statement and use the length() functio...

problem when trying to empty a stack in c

Hi all, (probably it's a stupid thing but) I have a problem with a stack implementation in C language, when I try to empty it, the function to empty the stack does an infinite loop.. the top of the stack is never null. where I commit an error? thanks bye! #include <stdio.h> #include <stdlib.h> typedef struct stack{ size_t a; struct...

Jetty servlet respons to Ajax always empty

Hi I try to run a java server on Jetty which should respond to an ajax call. Unfortunately the response seems to be empty when I call it with ajax. When I call http://localhost:8081/?id=something I get an answer. The Java Server: public class Answer extends AbstractHandler { public void handle(String target, ...

synchronized,immutable,empty collection

Using Collections class we can make any collection synchronized,immutable or empty what are there respective uses, when we need to implement these type of collections ...

dataSet.writeXml does not write an empty tag if the field was empty C#

Hi there, I want to create a XML of my DataSet using the .writeXml-function. If an entry in my DataSet was null, i would like to have an empty tag instead of a missing tag: example how it should look like if John had no age: <MyDataSet> <ID>8613458</ID> <AW_ID>37534778</AW_ID> <NAME>Peter</NAME> <AGE>22</AGE> </MyD...

jQuery, .empty() and memory

Hello, my application (ASP.NET MVC) shows a page which loads data constantly, at certain intervals. The jQuery script calls a controller and this one renders a different partial view, based on certain conditions. This partial view is the appended to the DOM with jQuery; previous elements are removed with the empty() method. $(...

How to find out if a Java ResultSet obtained is empty?

Class.forName("org.sqlite.JDBC"); Connection conn = DriverManager.getConnection("jdbc:sqlite:userdata.db"); Statement stat = conn.createStatement(); ResultSet rs = stat.executeQuery("SELECT * from table WHERE is_query_processed = 0;"); int rowcount = rs.getRow(); System.out.println("Row count = "+rowcount); // output 1 rs.first()...

Remove the elements and contents before an element

Hello guys I am trying to remove the elements and contents before a link inside a div when a user clicks a button. What is the best way to do it?? <div id="dialog" class="window"> //will be inserted a <select> element and few text here //but I want to clear them after the user click a button <a href="#" ...

Why no ArgumentEmptyException in .NET ?

I am beginning to think I am doing something wrong. I mean they did place System.String.IsNullOrWhitespace finally but no ArgumentEmptyException class. public FilterItem(string name, IEnumerable<string> extensions) { if (string.IsNullOrWhiteSpace(name)) { throw new ArgumentNullExce...

Set hidden form field values with JavaScript but request still empty

HI volks, I try to set some hidden form field values with an onclick event. Ok, after I did something like this: document.getElementById('hidden_field').value = 123; I can output the value with the firebug console by entering this: alert(document.getElementById('hidden_field').value); So the values are definitely set. But now when...

Flex chart display with no datapoint

I need to display price of item for every date in the month. The chart can be Bar chart or plot chart. Question: Suppose there is no data available for 01/15/2010 then, Is there a way to display (01/15/2010) on x axis but no (bar or plot point) corresponding y axis point ? i.e. there will be a empty space between 2 bars or plot points...

Retain count = 0 in other function? memory-management problem?

Hey guys, I declared a NSMutableArray in the header-file with: NSMutableArray *myMuArr; and @property (nonatomic, retain) NSMutableArray *myMuArr; In the .m file I've got a delegate from an other class: -(void)didGrabData:(NSArray*)theArray { self.myMuArr = [[[NSMutableArray alloc] initWithArray:myMuArr]retain]; } If I want to...

How do I test to see that a directory is empty in ANT?

How can one test to see that a directory is empty in ant? ...

How to check if certain row in textarea is empty?

How to check if certain row in textarea is empty with javascript? <script type="text/javascript" src="../../../js/jquery-1.3.2.min.js"></script> <script> $(document).bind('keydown',function (e) { if(e.which==13) { function isRowEmpty( idOfTextArea , row ){ return $("#" + idOfTextArea )[0].value.split("\n")[row-1] == ""; } alert(isR...