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How to generate and validate a software license key?
...ple) SHA1
Unpack the SHA1 hash as an alphanumeric string. This is the individual user's "Product Key"
Within the program, do the same hash, and compare with the product key. If equal, OK.
But, I repeat: this won't prevent piracy
I have recently read that this approach is not cryptographically ...
How to detect input type=file “change” for the same file?
...t will erase the file path making it changeable every time.
Example on jsFiddle.
Or you can simply use .prop("value", ""), see this example on jsFiddle.
jQuery 1.6+ prop
Earlier versions attr
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Group by month and year in MySQL
...ld contribute to more pressing questions too. You can find tips on to provide good answers here.
– Mifeet
Apr 14 '14 at 13:18
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Is it possible to get element from HashMap by its position?
...Integer, String>();
Define like this and.
private Entry getEntry(int id){
Iterator iterator = map.entrySet().iterator();
int n = 0;
while(iterator.hasNext()){
Entry entry = (Entry) iterator.next();
if(n == id){
return entry;
...
HTML tag want to add both href and onclick working
...on to the website.
$("#myHref").on('click', function() {
alert("inside onclick");
window.location = "http://www.google.com";
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<a href="#" id="myHref">Click me</a>
...
How to get URL of current page in PHP [duplicate]
..._URI']; ?>
if the current url was http://domain.com/some-slug/some-id, echo will return only '/some-slug/some-id'.
if you want the full url, try this:
<?php echo 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>
...
Why am I seeing “TypeError: string indices must be integers”?
...de; the string indices are the ones in the square brackets, e.g., gravatar_id. So I'd first check your data variable to see what you received there; I guess that data is a list of strings (or at least a list containing at least one string) while it should be a list of dictionaries.
...
Callback functions in C++
...otification callback).
Thus, the library designer is not in charge of deciding what happens with the information that is given to the programmer
via the notification callback and he needn't worry about how to actually determine function values because they're provided by the logic callback. Getti...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...n and play around with it locally, it would be a pain to copy all the individual elements and their associated CSS. And probably just as much work to save the entire source and cut out the unrelated code.
...
How do I calculate a point on a circle’s circumference?
... trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful.
– Isioma Nnodum
May 28 '14 at 22:37
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