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Default value in Doctrine

.... Again, this solution is only for the scenario where an empty input in a form sets the DB field to null. Background None of the previous answers helped me with my specific scenario but I found a solution. I had a form field that needed to behave as follow: Not required, could be left blank. (...
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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it

...as descibed in the MSDN article: How to: Make Thread-Safe Calls to Windows Forms Controls So instead of setting the text property directly in the serialport1_DataReceived method, use this pattern: delegate void SetTextCallback(string text); private void SetText(string text) { // InvokeRequired re...
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How to trigger Autofill in Google Chrome?

...ind of special markup to enable the Chrome autofill feature for a specific form. I only found questions about how to disable it, but I would like to know if I can add some kind of markup to the html code in order to tell the browser "this is the input for the address" or "this is the ZIP code field"...
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What is a postback?

...on the web server. The only way to achieve this is to collect up all the information that the user is currently working on and send it all back to the server. Some things for a beginner to note are... The state of the controls on the posting back page are available within the context. This will a...
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How to create a dialog with “yes” and “no” options?

... How to do this using 'inline' JavaScript: <form action="http://www.google.com/search"> <input type="text" name="q" /> <input type="submit" value="Go" onclick="return confirm('Are you sure you want to search Google?')" /> </form> ...
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Block Comments in Clojure

...ion: it seems like whatever is inside a (comment ...) needs to be a proper form; e.g. (comment hello :world) is fine but (comment hello: world) yields an exception. [Edit:] It seems like I should have read the answer by Greg Hewgill before posting this comment... oh well, I'll leave it anyway in cas...
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HTML5 input type range show range value

...to this widget, so I think that (optionally) showing the number in a basic form such as a tooltip on top of the slider handle would make for a better design. – Basel Shishani Apr 7 '13 at 1:28 ...
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Add a CSS class to

...lying the name. Alternatively, you can style the button without a class: form#form_id_here input[type=submit] Try that, as well. share | improve this answer | follow ...
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Uploading Files in ASP.net without using the FileUpload server control

How can I get an ASP.net web form (v3.5) to post a file using a plain old <input type="file" /> ? 10 Answers ...
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Styling an input type=“file” button

... follow these steps then you can create custom styles for your file upload form: this is the simple HTML form(please read the HTML comments I have written here below) <form action="#type your action here" method="POST" enctype="multipart/form-data"> <div id="yourBtn" style="height: 50p...