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All falsey values in JavaScript
...ypeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was added to the HTML spec as a "willful violation of the JavaScript specification" so that sites written for IE wouldn't break on trying to access, for example, document.all.something; it's falsy because if (document...
How to overwrite the previous print to stdout in python?
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16 Answers
16
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Understanding how recursive functions work
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18 Answers
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C++11 reverse range-based for-loop
...or/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 17, 19 };
for (auto i : boost::adaptors::reverse(x))
std::cout << i << '\n';
for (auto i : x)
std::cout << i << '\n';
}
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Getting a list of values from a list of dicts
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answered Sep 1 '11 at 14:08
Ismail BadawiIsmail Badawi
29.6k66 gold badges7373 silver badges9090 bronze badges
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Is it possible to override the configuration of a plugin already defined for a profile in a parent P
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145
Overriding configurations from a parent pom can be done by adding the combine.self="override" ...
git: Show index diff in commit message as comment
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149
The --verbose (or -v) flag for git commit will display the diff of what would be committed:
g...
Cast an instance of a class to a @protocol in Objective-C
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172
The correct way to do this is to do:
if ([self.myViewController conformsToProtocol:@protocol(...
How do you reverse a string in place in C or C++?
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124
The standard algorithm is to use pointers to the start / end, and walk them inward until they ...
How to find current transaction level?
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SELECT CASE transaction_isolation_level
WHEN 0 THEN 'Unspecified'
WHEN 1 THEN 'ReadUncommitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot' END AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
where session_id = @@SPID
do...