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Is a one column table good design? [closed]
...st cases of single column design could benefit from an additional column. For example, State Codes can typically have the Full State name spelled out in a second column. Or a blacklist can have notes associated. But, if your design really does not need that information, then it's perfectly ok to ...
When to use .First and when to use .FirstOrDefault with LINQ?
...heck whether there was an element or not. In other words, when it is legal for the sequence to be empty. You should not rely on exception handling for the check. (It is bad practice and might hurt performance).
Finally, the difference between First() and Take(1) is that First() returns the element ...
How to disable/enable select field using jQuery?
I would like to create an option in a form like
8 Answers
8
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How to record webcam and audio using webRTC and a server-based Peer connection
...o record from a WebRTC feed and much more. You can also find some examples for the application you are planning here. It is really easy to add recording capabilities to that demo, and store the media file in a URI (local disk or wherever).
The project is licensed under LGPL Apache 2.0
EDIT 1
Si...
jQuery ID starts with
...is my jQuery code. I am trying to use a JavaScript variable when searching for items. But it does not work. What am I missing below? So the id 'value' am searching is the value of the clicked element
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How do I handle ImeOptions' done button click?
...bove code would some times activate the callback twice. Instead I've opted for the following code, which I got from the Google chat clients:
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// If triggered by an enter key, this is the event; otherwise, this is null.
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How to become an OpenCart guru? [closed]
...ms like they have no documentation except some api calls on their official forums. I have experience with Zend framework and CodeIgniter framework. Can any OpenCart masters recommend me the best way to learn it and master in shortest amount of time? I have to do a big project with it soon.
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CSS How to set div height 100% minus nPx
...nd #right will display a vertical scrollbar if their content is too high.
For this to work under IE7, you have to trigger the standards-compliant mode by adding a DOCTYPE :
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html&...
MySQL, better to insert NULL or empty string?
I have a form on a website which has a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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Rails select helper - Default selected value, how?
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without params, options_for_select is better way. It is good for any situation, good for form edit too.
– Adriano Resende
Jun 25 '15 at 13:07
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