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SQL how to make null values come last when sorting ascending
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Note however that if you place an index on the sort column to improve performance(*), then this method will somewhat complicate the query plan and lose much of the performance benefit. * - indexes provided the data presorted, hence avoiding a sort per query execu...
How to compare Lists in Unit Testing
... collections, you should use CollectionAssert:
CollectionAssert.AreEqual(expected, actual);
List<T> doesn't override Equals, so if Assert.AreEqual just calls Equals, it will end up using reference equality.
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Rails Object to hash
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Don't use this when looping, Expensive method. Go with as_json
– AnkitG
Jul 10 '13 at 8:07
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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The order of evaluation of subexpressions, including
the arguments of a function call and
operands of operators (e.g., +, -, =, * , /), with the exception of:
the binary logical operators (&& and ||),
the ternary conditional operator (?:), and...
Is either GET or POST more secure than the other?
...curity, they are inherently the same. While it is true that POST doesn't expose information via the URL, it exposes just as much information as a GET in the actual network communication between the client and server. If you need to pass information that is sensitive, your first line of defense wou...
What is the difference between ng-if and ng-show/ng-hide
...ngIf directive removes or recreates a portion of the DOM tree based on an expression. If the expression assigned to ngIf evaluates to a false value then the element is removed from the DOM, otherwise a clone of the element is reinserted into the DOM.
<!-- when $scope.myValue is truthy (element i...
How to exit if a command failed?
I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried:
8 Answers
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random.seed(): What does it do?
I am a bit confused on what random.seed() does in Python. For example, why does the below trials do what they do (consistently)?
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Why can't I make a vector of references?
...cept at boost.org/doc/libs/1_39_0/doc/html/Assignable.html all operations except the swap are valid on references.
– amit
Aug 18 '09 at 16:01
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