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TSQL Pivot without aggregate function
...ue..
In this case, you could also self join 5 times on customerid, filter by dbColumnName per table reference. It may work out better.
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Is there a way to 'uniq' by column?
...ds to the dictionary index! For instance, !_[$1][$2]++ can be used to sort by the first two fields. My awk-fu isn't strong enough to be able to unique on a range of fields, though. :(
– Soham Chowdhury
Jan 29 '17 at 6:43
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Is MD5 still good enough to uniquely identify files?
... still vanishingly small. Just be sure that the files aren't being created by someone you don't trust and who might have malicious intent.
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PHP Pass by reference in foreach [duplicate]
..., echo $v; // same as $a[3] and $a[3] == 'two'
because $a[3] is assigned by before processing.
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onActivityResult() & onResume() [duplicate]
...() occurs as part of restarting an app that has been flushed out of memory by the OS (because onResume() would not have been called prior to onActivityResult()).
In this situation, onActivityResult() would have to be prepared to perform such initializations for any such variables that are used by o...
How does inheritance work for Attributes?
...the default) it means that the attribute you are creating can be inherited by sub-classes of the class decorated by the attribute.
So - if you create MyUberAttribute with [AttributeUsage (Inherited = true)]
[AttributeUsage (Inherited = True)]
MyUberAttribute : Attribute
{
string _SpecialName;
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What is the difference between #include and #include “filename”?
...ementation dependent manner, normally in search directories pre-designated by the compiler/IDE. This method is normally used to include standard library header files.
For #include "filename" the preprocessor searches first in the same directory as the file containing the directive, and then follows...
How can building a heap be O(n) time complexity?
...rty:
siftDown swaps a node that is too small with its largest child (thereby moving it down) until it is at least as large as both nodes below it.
siftUp swaps a node that is too large with its parent (thereby moving it up) until it is no larger than the node above it.
The number of operations req...
LINQ Group By into a Dictionary Object
... List<CustomObject>> myDictionary = ListOfCustomObjects
.GroupBy(o => o.PropertyName)
.ToDictionary(g => g.Key, g => g.ToList());
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Why must wait() always be in synchronized block
...releases the monitor, but why do we need to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling wait() ?
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