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How to create a generic array in Java?
...")
final E e = (E) a[i];
return e;
}
}
Note that the component type of the array should be the erasure of the type parameter:
public class GenSet<E extends Foo> { // E has an upper bound of Foo
private Foo[] a; // E erases to Foo, so use Foo[]
public GenSet(int...
Unix command to prepend text to a file
Is there a Unix command to prepend some string data to a text file?
16 Answers
16
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PHP best way to MD5 multi-dimensional array?
... the results of the test with this live script here:
http://nathanbrauer.com/playground/serialize-vs-json.php
http://nathanbrauer.com/playground/plain-text/serialize-vs-json.php
Now, one thing to note is array(1,2,3) will produce a different MD5 as array(3,2,1). If this is NOT what you want. Tr...
Determine .NET Framework version for dll
I have an old dll that was compiled against the .NET framework and deployed. I am not sure which version of the .NET framework it was compiled against. I am wondering how I can determine which version of the .NET framework this dll was compiled against? I cannot trust the source code because I be...
How to check edittext's text is email address or not?
... = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(email);
return matcher.matches();
}
Pass your edit text string in this function .
for right email verification you need server side a...
CSS background opacity with rgba not working in IE 8
... To avoid a potential problem, use any size other than 1x1: stackoverflow.com/questions/7764751/…
– thirtydot
Jan 23 '12 at 16:18
43
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Make a div into a link
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But, your div would be clickable.
<div onclick="location.href='http://www.example.com';" style="cursor:pointer;"></div>
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Cartesian product of multiple arrays in JavaScript
...15 and developed much earlier, better known as ES6 or ES2015. See:
http://www.ecma-international.org/ecma-262/6.0/
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/rest_parameters
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Spread_operator
The n...
Gray out image with CSS?
...ray:
img{
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#graysca...
Are Duplicate HTTP Response Headers acceptable?
...en a message is forwarded
So, multiple headers with the same name is ok (www-authenticate is such a case) if the entire field-value is defined as a comma-separated list of values.
Cache-control is documented here: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 like this:
Cache-Co...