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How to set tbody height with overflow scroll
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Finally! I'm now able to have a fixed height, scrolling table body, fixed headers, adjustable column widths .... all without javascript! Thank you!!
– Matt Hancock
Dec 6 '15 at 23:13
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Why does HTML5 form-validation allow emails without a dot?
...answers the 'why', not the 'solution'. I was also curious about the why. Now I know not to "fix".
– Eleanor Zimmermann
Aug 23 '16 at 20:35
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Any difference between First Class Function and High Order Function
...pass a function as an argument to another function. The latter function is now "higher order". It is a function that takes a function as an argument.
The canonical example is "map"
map :: (a -> b) -> [a] -> [b]
map f [] = []
map f (x:xs) = f x : map f xs
That is, it takes a function...
List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
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Why is using 'eval' a bad practice?
...ad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecure.
– S.Lott
Dec 2 '09 at 17:38
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“Single-page” JS websites and SEO
... a lot of cool tools for making powerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine s...
What is array to pointer decay?
... has decayed to be assigned to the parameter.
1 The constant U should be known at compile-time.
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PostgreSQL function for last inserted ID
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SELECT currval('persons_id_seq');
The name of the sequence must be known, it's really arbitrary; in this example we assume that the table persons has an id column created with the SERIAL pseudo-type. To avoid relying on this and to feel more clean, you can use instead pg_get_serial_sequence:
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How are software license keys generated?
...ng as "0,-500;100,-300;200,-100;100,600"
We'll encrypt the string with a known and fixed key (horribly weak, but it serves a purpose), then convert the resulting bytes through Base32 to generate the final key
The application can then reverse this process (base32 to real number, decrypt, decode the...
How can you integrate a custom file browser/uploader with CKEditor?
...robably was CKEditorFuncName, maybe the more CKEditor uses CKEditorFuncNum now. Anyway the answer is spot on!
– Rosdi Kasim
Aug 19 '10 at 7:35
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