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Forward declaration of a typedef in C++
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In general this is not a useful solution. For example if the typedef names a complex multilevel template type using a forward declaration this way is rather complex and difficult. Not to mention that it might require diving into implementation details hidden in default te...
Dynamic Anonymous type in Razor causes RuntimeBinderException
... .NET framework design decision, in my opinion.
Here is a quick and nice extension to fix this problem i.e. by converting the anonymous object into an ExpandoObject right away.
public static ExpandoObject ToExpando(this object anonymousObject)
{
IDictionary<string, object> anonymousDicti...
What are the undocumented features and limitations of the Windows FINDSTR command?
...Preface
Much of the information in this answer has been gathered based on experiments run on a Vista machine. Unless explicitly stated otherwise, I have not confirmed whether the information applies to other Windows versions.
FINDSTR output
The documentation never bothers to explain the output of FI...
Zooming MKMapView to fit annotation pins?
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You've got it right.
Find your maximum and minimum latitudes and longitudes, apply some simple arithmetic, and use MKCoordinateRegionMake.
For iOS 7 and above, use showAnnotations:animated:, from MKMapView.h:
// Position the map such that the provided arra...
How to write a foreach in SQL Server?
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SELECT DISTINCT PractitionerId
FROM Practitioner
OPEN MY_CURSOR
FETCH NEXT FROM MY_CURSOR INTO @PractitionerId
WHILE @@FETCH_STATUS = 0
BEGIN
--Do something with Id here
PRINT @PractitionerId
FETCH NEXT FROM MY_CURSOR INTO @PractitionerId
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR
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Why do you use typedef when declaring an enum in C++?
...ered Dec 21 '08 at 22:05
Ryan FoxRyan Fox
9,16633 gold badges3333 silver badges4848 bronze badges
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Is there an eval() function in Java? [duplicate]
...rpreter opens you up to code injection. If you do not tightly control the expression, someone could send you while(true){ 3+4;} and hang your JVM.
– Thilo
Apr 9 '10 at 5:20
2
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event Action vs event EventHandler
...inating design pattern (apart from the power of sameness) is that you can extend the EventArgs object with new properties without altering the signature of the event. This would still be possible if you used Action<SomeClassWithProperties>, but I don't really see the point with not using the r...
How should I use git diff for long lines?
... git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly s...
Aren't Python strings immutable? Then why does a + “ ” + b work?
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It's even more convincing to try something like x = 'abc'; x[1] = 'x' in the Python repl
– xpmatteo
May 23 '17 at 6:11
1
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