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Detecting 'stealth' web-crawlers
...claimed user-agent strings and, if the client claimed to be a legitimate spider but not on the whitelist, it performed DNS/reverse-DNS lookups to verify that the source IP address corresponds to the claimed owner of the bot. As a failsafe, these actions were reported to the admin by email, along wi...
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 ...
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.
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Collapsing Sidebar with Bootstrap
...tp://www.elmastudio.de/ and wondered if it is possible to build the left sidebar collapse with Bootstrap 3.
5 Answers
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How to check if current thread is not main thread
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Should one consider the latter as the safer option as there is no guarantee that any arbitrary thread is associated with a Looper (assuming that the main thread is always associated with a looper)?
– Janus Varmarken
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How do I get the current time only in JavaScript
...urrent time efficiently using javascript
I couldn't find a solution that did exactly what I needed. I wanted clean and tiny code so I came up with this:
(Set once in your master.js and invoke when required.)
PURE JAVASCRIPT
function timeNow(i) {
var d = new Date(),
h = (d.getHours()&...
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.
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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
1
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What does the @ symbol represent in objective-c?
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The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to freely intermix with the C or C++ par...
Catch paste input
...ie 11: window.clipboardData.getData('text')
– Wallstrider
Jun 20 '17 at 12:04
4
However, note tha...