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App restarts rather than resumes
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The behavior you are experiencing is caused by an issue that exists in some Android launchers since API 1. You can find details about the bug as well as possible solutions here: https://code.google.com/p/android/issues/detail?id=2373.
It's a relatively common issue o...
Is null reference possible?
...create such a reference would be to
bind it to the “object” obtained by
dereferencing a null pointer, which
causes undefined behavior. As
described in 9.6, a reference cannot
be bound directly to a bit-field. ]
1.9/4:
Certain other operations are described
in this International...
Extension method and dynamic object
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To expand on Stecya's answer... extension methods aren't supported by dynamic typing in the form of extension methods, i.e. called as if they were instance methods. However, this will work:
dynamic dList = list;
Console.WriteLine(Enumerable.First(dList));
Of course, that may or may not be...
“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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I'm gonna guess that you are running python 2.6 by accident somehow.
This feature is only available for at least 3.1 if you are using python 3, or 2.7 if you are using python 2.
share
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Are PostgreSQL column names case-sensitive?
I have a db table say, persons in Postgres handed down by another team that has a column name say, "first_Name" . Now am trying to use PG commander to query this table on this column-name.
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Comparing Haskell's Snap and Yesod web frameworks
...ap, and xmlhtml. snap-server is a web server that exposes the API defined by snap-core. heist is a templating system. xmlhtml is an XML/HTML parsing and rendering library used by heist. snap is an umbrella project that glues them all together and provides the powerful snaplets API that makes web...
Difference between UTF-8 and UTF-16?
... characters like digits, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, th...
Select rows of a matrix that meet a condition
...y will not.
To perform the operation on a matrix, you can define a column by name:
m[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note that if only one row matches, the result is an integer vector, not a matrix.
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How can I obtain an 'unbalanced' grid of ggplots?
...rrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like:
4 Answers
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
...numerator();
while (bat.MoveNext())
{
bar = (Foo)bat.Current
...
}
By "functionally equivalent," I mean that's actually what the compiler turns the code into. You can't use foreach on baz in this example unless baz implements IEnumerable.
IEnumerable means that baz implements the method
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