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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...1 = [=]() mutable {x = 42;}; // OK
auto f2 = [=]() {x = 42;}; // Error: a by-value capture cannot be modified in a non-mutable lambda
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String.Join method that ignores empty strings?
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I'm getting an error: "'Where' is not a member of 'System.Array'". And I don't see anything about 'Where' on MSDN: msdn.microsoft.com/en-us/library/system.array.aspx
– Doug
May 2 '13 at 12:55
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The term 'Get-ADUser' is not recognized as the name of a cmdlet
...y to list the users in a windows 2008 server, but failed and got the below error.
6 Answers
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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
... I am down-voting this response, because while it does get rid of the error warning, it is the wrong and confusing thing to do! You should do what shockwave described or if you are happy with the default web.xml then don't write one yourself at all.
– Ustaman Sangat
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...ematica given the album cover as input:
How I did it
Through trial and error, I came up with an algorithm that works on ~80% of the albums with which I've tested it.
Color Differences
The bulk of the algorithm deals with finding the dominant color of an image. A prerequisite to finding domina...
Can I inject a service into a directive in AngularJS?
...ample:
scope.apiService.query((response) ->
scope.data = response
, (errorResponse) ->
console.log "ERROR fetching data for service: #{attributes.apiService}"
console.log errorResponse.data
)
I have found this technique to be very useful when making elements that interact with API end...
Which icon sizes should my Windows application's icon include?
...however, old resource compilers sometimes complained about "out of memory" errors.
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Array.Add vs +=
...ting array. An array is a collection of fixed size, so you will receive an error because it can't be extended.
$array += $element creates a new array with the same elements as old one + the new item, and this new larger array replaces the old one in the $array-variable
You can use the += opera...
generate days from date range
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Accepted answer didn't work for PostgreSQL (syntax error at or near "a").
The way you do this in PostgreSQL is by using generate_series function, i.e.:
SELECT day::date
FROM generate_series('2010-01-20', '2010-01-24', INTERVAL '1 day') day;
day
------------
2010-01-20...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...ey:
// try to locate streets in quadrants with x==0
// compile-time error: hashed indices do not allow such operations
std::pair<street_locator::iterator,street_locator::iterator> p=
sl.equal_range(boost::make_tuple(0));
The reason for this limitation is quite logical: as the hash va...