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Why are Oracle table/column/index names limited to 30 characters?
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I see your point, but the characters vs bytes does depend on your database character set. That setting determines the encoding for the char datatypes (such as varchar2) as well as the encoding for db identifiers. This is contrasted with the national character se...
What are naming conventions for MongoDB?
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See this question for the single vs plural debate: stackoverflow.com/questions/338156/…
– Jason
Apr 21 '16 at 7:31
5
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What is a word boundary in regex?
...t is a word boundary and how matches are happening
– vsingh
Oct 23 '19 at 14:19
2
This post deser...
How to check that an element is in a std::set?
...0x (std::begin and std::end). Here is the near-trivial implementation from VS2010:
namespace std {
template<class _Container> inline
typename _Container::iterator begin(_Container& _Cont)
{ // get beginning of sequence
return (_Cont.begin());
}
template<class _Contain...
How to initialise memory with new operator in C++?
...ow with C++11, there is also std::array that models a constant size array (vs vector that is able to grow). There is also std::unique_ptr that manages a dynamically allocated array (that can be combined with initialization as answered in other answers to this question). Any of those are a more C++ w...
How to escape special characters in building a JSON string?
...s will parse/escape single quote (don't want to get into a battle on parse vs escape)..
JSON.parse("\"'\"")
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How do I use shell variables in an awk script?
..."${v}" 'BEGIN { print v }'
123test
Or to make it clearer (with far fewer vs):
% environment_variable=123test
% awk -vawk_variable="${environment_variable}" 'BEGIN { print awk_variable }'
123test
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Is using 'var' to declare variables optional? [duplicate]
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There's a bit more to it than just local vs global. Global variables created with var are different than those created without. Consider this:
var foo = 1; // declared properly
bar = 2; // implied global
window.baz = 3; // global via window object
Based on the ...
onNewIntent() lifecycle and registered listeners
...t it makes it impossible to distinguish between onPause due to user action vs onPause due to a background intent. If you want to act onPause only in the case of user action you are screwed because you wont know till the future why you go the onPause().
– Sani Elfishawy
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What's the _ underscore representative of in Swift References?
...ments it becomes very relevant: foo.bar(param1: 'fiddle', param2: 'dee') vs foo.bar('fiddle','dee')
– jrypkahauer
Oct 17 '17 at 23:22
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