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Move capture in lambda
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Generalized lambda capture in C++14
In C++14 we will have the so called generalized lambda capture. This enables move capture. The following will be legal code in C++14:
using namespace std;
// a unique_ptr is move-only
auto u = make_unique<some_type>...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
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154
SignalR provides ConnectionId for each connection. To find which connection belongs to whom (the...
What is the difference between single and double quotes in SQL?
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cmaher
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answered Jan 2 '10 at 18:22
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join list of lists in python [duplicate]
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504
import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))
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Creating range in JavaScript - strange syntax
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Postgres - FATAL: database files are incompatible with server
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413
If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your p...
using extern template (C++11)
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edited Nov 8 '17 at 6:48
user1902689
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Transpose/Unzip Function (inverse of zip)?
...pecial * operator.
>>> zip(*[('a', 1), ('b', 2), ('c', 3), ('d', 4)])
[('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
The way this works is by calling zip with the arguments:
zip(('a', 1), ('b', 2), ('c', 3), ('d', 4))
… except the arguments are passed to zip directly (after being converted to...
Java Enum Methods - return opposite direction enum
...Direction getOppositeDirection() {
return VALUES[(ordinal() + 2) % 4];
}
}
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Disable Enable Trigger SQL server for a table
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244
use the following commands instead:
ALTER TABLE table_name DISABLE TRIGGER tr_name
ALTER TABL...