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“Submit is not a function” error in JavaScript
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<form action="product.php" method="post" name="frmProduct" id="frmProduct" enctype="multipart/form-data">
<input id="submit_value" type="button" name="submit_value" value="">
</form>
<script type="text/javascript">
documen...
How to get year/month/day from a date object?
...Use the Date get methods.
http://www.tizag.com/javascriptT/javascriptdate.php
http://www.htmlgoodies.com/beyond/javascript/article.php/3470841
var dateobj= new Date() ;
var month = dateobj.getMonth() + 1;
var day = dateobj.getDate() ;
var year = dateobj.getFullYear();
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Are Java static initializers thread safe?
I'm using a static code block to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessi...
How to enter a multi-line command
...the next line. For example, imagine a cmdlet that takes an optional script block parameter:
Get-Foo { ............ }
if the script block is very long, you might want to write:
Get-Foo
{
...............
...............
...............
}
But this won't w...
Can I prevent text in a div block from overflowing?
Can I prevent text in a div block from overflowing?
14 Answers
14
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How to add http:// if it doesn't exist in the URL?
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function addScheme($url, $scheme = 'http://')
{
return parse_url($url, PHP_URL_SCHEME) === null ?
$scheme . $url : $url;
}
echo addScheme('google.com'); // "http://google.com"
echo addScheme('https://google.com'); // "https://google.com"
See also: parse_url()
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Multi-line commands in GHCi
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@Rog let begins a block; entries in a block are grouped by indentation; and the first non-whitespace character in a block sets the indentation by which they're grouped. Since the first non-whitespace character in the let block above is the a o...
Growing Amazon EBS Volume sizes [closed]
...it can't be done on the fly. You'll need to take a snapshot of the current block, add a new, larger block and re-attach your snapshot.
There's a simple walkthrough here based on using Amazon's EC2 command line tools
share
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What does auto do in margin:0 auto?
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From the CSS specification on Calculating widths and margins for Block-level, non-replaced elements in normal flow:
If both 'margin-left' and 'margin-right' are 'auto', their used values are equal. This horizontally centers the element with respect to the edges of the containing block....
What is the difference between atomic / volatile / synchronized?
... //thread-safe, SRSLy?
}
No two threads can enter the same synchronized block with the same lock. In this case (and similarly in your code) the lock object changes upon every execution, so synchronized effectively has no effect.
Even if you have used a final variable (or this) for synchronizatio...