I've found questions similar on SO already, all over the net actually. Though I haven't found a working answer yet. So I'm working in a windows form application using Visual studio 2008. Language is C# I have a DataGridView that is not bound to a DataSource. so: MyDataGridView.DataSource = null; wont work... I've also tried MyDat...
I am working on a PHP function that will recursively remove all sub-folders that contain no files starting from a given absolute path. Here is the code developed so far: function RemoveEmptySubFolders($starting_from_path) { // Returns true if the folder contains no files function IsEmptyFolder($folder) { return (count(...
Hi All I am a PHP novice and I am having a problem with POST variable sometimes being empty when I submit them. The part which is making this difficult for me to figure out is that this doesn't happen every time, and I can usually get the post data in my PHP program by simply refreshing the page. Sometimes it will take a few times, but ...
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background. Here is my code: *$('#apply-form input').blur(function() { if($('input:text').is(":empty")) { $(this).parents('p').addClass('warning'); } });* It app...
I have a simple SQL query, SELECT * FROM phones WHERE manu='$manuf' AND price BETWEEN $min AND $max The issue is that all of the variable fields are connected to fields that will sometimes be empty, and thus I need a way to make them match any value that their respective field could take if they are empty. I tried $min=$_REQUEST['min...
Hi, I'm developing an applciation using SQL Compact database in Visual Studio 2008. When I start the application and run the process, the data is being loaded into database for few hours worth of few tens of megabytes. However, when I quite debugging, change something in code (not in DB structure), run the project again, the database is...
Im using an ajax json response to build some html to place in a webpage. Occasionally I'll come across an empty value in my json. This results in an empty object being placed into the html. I would prefer not to check that each value is not an object, as that doesn't seem efficient. Is there a better way? my code works like this ...
Hello. I have a form with dozens of fields. Some are required, some are not. With the fields that are required, I have added class="required" to the item I found this snippet of code and was wondering how to adjust it $('#form').submit (function() { if(formValidated()) return true; return false; }); I only want to submit the...
echo empty($location); switch($location){ case (empty($location)): expression 1; break; case ($location%10000==0): expression 2; break; case ($location%100==0): expression 3; break; default: expression 4; break; } When I echo empty($location), it prints out 1, why is expression 1 not executed? ...
I'm getting InputStream of attached file by web service. When the user attaches an empty file, the input stream is not empty, but contains the header of the file (taht can be image, video, zip and others). When I read inputStream.available() I get 11 - the size of the header. I believe that for every type of file there is different heade...
Hi Geeks, I dont know whats the wroing with the below code.... I am getting input from textbox and putting the input in a string. If the textbox is empty it will return a empty string. In the below code String[] str = new String[9]; for(int i=0;i<9;i++){ if(str[i].equals("")){ System.out.println("set " + cmds[i]...
I'll say right off I am an inexperienced Cocoa programmer, and I apologize if my question is answered in the docs somehow and I merely missed it, or there was something I don't understand in how the NSPredicateEditor works. However, I did attempt to search in the docs and googled, to little effect. Thus, I bring the question to you. I a...
Hi all, I tried to dump a database: <?php $dbhost = "localhost"; $dbuser = "XXXX"; $dbpass = "XXXXXXXX"; $dbname = 'testdb'; $list = shell_exec ("C:\wamp\bin\mysql\mysql5.1.33\bin\mysqldump.exe $dbname --user=$dbuser--password=$dbpass > dumpfile.sql"); ?> I tried both specified full path to mysqldump.exe or just use mysqldump, it s...
--UPDATED-- I want to empty message in a textarea in callback. Can anyone tell me how to empty it please? I tried $("#message").empty(), but it does not empty it. Thanks in advance. <form method="post" id="form" action="index.php/admin/messages/insertShoutBox"> <input name="user" id="nick" value="admin" type="hidden"> <p c...
A method returns a sequence, IEnumerable<T>, and you now want to check if it is empty. How do you recommend doing that? I'm looking for both good readability and good performance. The first and most obvious way is to check that the count is greater than zero: if(sequence.Count() == 0) Has decent readability, but terrible performance...
Hello, I'm searching for a simple way to delete all data from a database and keep the structure (table, relationship, etc...). I using postgreSQL but I think, if there a command to do that, it's not specific to postgres. Thanks, Damien ...
Hi, I have a control that will return some html to me as a string. Before putting that on screen, I'd like to be able to tell if it'll just show as empty. For example the control might return <p><br /></p>, which when I test using C# for string.Emtpy obviously it's not - but nothing gets displayed on screen. Is there a regex function ...
Hello. I've been experimenting with xhtml and now I'm wondering that is there a valid/correct way to add empty elements. Short question, but here's the two ways I've been using: <div> </div> <div> </div> <!-- Same as space --> Hope someone knows an answer for this. Thanks. ...
Trying to only print if a string isn't empty, and am using the code below, but it keeps coming up with that error... <%if(!String.IsNullOrEmpty(o_handler.renderDesc())) { %> <strong>Description:</strong><BR> <HR SIZE="1"> <strong><%= o_handler.renderDesc()%></stro...
Hi, I am new to iPhone programming. How can I write a search view that does not display default tableview. It should display the tableview with the data only after search is clicked and if no match is found should display empty table view. I don't want to display all the records and the filter on it. Please help. Thanks in advance. ...