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List all environment variables from the command line
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1381
Just do:
SET
You can also do SET prefix to see all variables with names starting with prefi...
Pointer to pointer clarification
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143
Forget for a second about the pointing analogy. What a pointer really contains is a memory addr...
How do you change the datatype of a column in SQL Server?
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573
ALTER TABLE TableName
ALTER COLUMN ColumnName NVARCHAR(200) [NULL | NOT NULL]
EDIT
As noted N...
How to implement static class member functions in *.cpp file?
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Sam
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answered Mar 21 '11 at 2:04
CromTheDestroyerCromTheDestroyer
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Where and why do I have to put the “template” and “typename” keywords?
... type, it will be a multiplication. So the C++ Standard says at paragraph (3/7):
Some names denote types or templates. In general, whenever a name is encountered it is necessary to determine whether that name denotes one of these entities before continuing to parse the program that contains it. ...
Should functions return null or an empty object?
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31 Answers
31
Active
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Date vs DateTime
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131
No there isn't. DateTime represents some point in time that is composed of a date and a time. H...
Switching to landscape mode in Android Emulator
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636
Try:
ctrl+fn+F11 on Mac to change the landscape to portrait and vice versa.
left-ctrl+F11o...
How to pinch out in iOS simulator when map view is only a portion of the screen?
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253
You can move the two gray circles that represent your fingers around the screen by holding Optio...