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What is reflection and why is it useful?
...ction but if you have control over the code then using reflection as specified in this answer is unnessary and therefore an abuse--You should use Type Introspection (instanceof) and strong types. If there is any way but reflection to do something, that's how it should be done. Reflection causes seri...
SSO with CAS or OAuth?
...l 'USER_ROLES table' (user access). It handles authorization for third-parties.
For example, you want your application to integrate with Twitter: a user could allow it to tweet automatically when they update their data or post new content. You want to access some third-party service or resource on ...
What is the maximum possible length of a query string?
...ength of a query string (section 3.2.1). RFC 3986 (Uniform Resource Identifier — URI) also states there is no limit, but indicates the hostname is limited to 255 characters because of DNS limitations (section 2.3.3).
While the specifications do not specify any maximum length, practical limits are...
HSL to RGB color conversion
... I'd like to point out that using Math.round introduces small inaccuracies at the low and high ends (values of 0 and 255) of the scale. Values that arent on the ends of the range can round either up or down to reach their value, but values can only be rounded down to 0, or up to 255. This means ...
How do I prevent node.js from crashing? try-catch doesn't work
From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
Android offers a variety of interfaces all related to text and strings:
Spanned , SpannedString , Spannable , SpannableString and CharSequence .
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Scrolling a flexbox with overflowing content
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Yes, this is broken in IE11
– Steve
May 5 '16 at 12:04
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show 14 more comments
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Why is XOR the default way to combine hashes?
... some k, and any odd constant is relatively prime to 2^k.
For an even fancier version, we can examine boost::hash_combine, which is effectively:
size_t hash_combine( size_t lhs, size_t rhs ) {
lhs ^= rhs + 0x9e3779b9 + (lhs << 6) + (lhs >> 2);
return lhs;
}
here we add together s...
Benefits of inline functions in C++?
...gable, and will be done even if the compiler would have ruled it as inefficient.
Every method of a class defined inside the body of the class itself is considered as "inlined" (even if the compiler can still decide to not inline it
Virtual methods are not supposed to be inlinable. Still, sometimes, ...
Storing time-series data, relational or non?
...s to provide visualisations to a user of the system in the form of time-series graphs.
10 Answers
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