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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on the same page.
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When to use .First and when to use .FirstOrDefault with LINQ?
I've searched around and haven't really found a clear answer as to when you'd want to use .First and when you'd want to use .FirstOrDefault with LINQ.
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How do I import CSV file into a MySQL table?
...ed HeidiSQL. It gives you a graphical interface to build the LOAD DATA command; you can re-use it programmatically later.
Screenshot: "Import textfile" dialog
To open the Import textfile" dialog, go to Tools > Import CSV file:
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Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
...r page in say Safari (which at present doesn't do CORS checking for fonts) and Firefox (that does) to double check this is the problem described.
See Stack overflow answer on Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading for the Amazon S3 CORS details.
NB in...
Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
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How to iterate a loop with index and element in Swift
Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate ?
15 ...
How to disable textarea resizing?
...y horizontal resize
textarea { resize: horizontal; }
disable vertical and horizontal with limit
textarea { resize: horizontal; max-width: 400px; min-width: 200px; }
disable horizontal and vertical with limit
textarea { resize: vertical; max-height: 300px; min-height: 200px; }
I think min-...
Change an HTML5 input's placeholder color with CSS
...here are three different implementations: pseudo-elements, pseudo-classes, and nothing.
WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. [Ref]
Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon)....
Setting HttpContext.Current.Session in a unit test
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We had to mock HttpContext by using a HttpContextManager and calling the factory from within our application as well as the Unit Tests
public class HttpContextManager
{
private static HttpContextBase m_context;
public static HttpContextBase Current
{
get
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Stretch background image css?
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Another IE8 and lower solution: github.com/louisremi/background-size-polyfill
– Irongaze.com
Dec 18 '12 at 19:19
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