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C#/Linq: Apply a mapping function to each element in an IEnumerable?
I've been looking for a way to transform each element of an IEnumerable into something else using a mapping function (in a Linq-compatible way) but I haven't found anything.
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Android.app Fragments vs. android.support.v4.app using ViewPager?
...m the android.support.v13.app package. You have to use the v13 support jar for that.
There are two versions of the adapters that work with ViewPager, the ones in the v4 package are meant to be used with support fragments, the ones in v13 with native fragments.
The reason why there are now two frag...
How can I define a composite primary key in SQL?
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Just for clarification: a table can have at most one primary key. A primary key consists of one or more columns (from that table). If a primary key consists of two or more columns it is called a composite primary key. It is define...
Finding the PHP File (at run time) where a Class was Defined
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For ReflectionClass in a namespaced file, add a prefix "\" to make it global as following:
$reflector = new \ReflectionClass('FOO');
Or else, it will generate an error said ReflectionClass in a namespace not defined.
I ...
Why do table names in SQL Server start with “dbo”?
...ould not have to use the fully qualified name, though there is a slight performance gain in doing so and is considered a best practice. "
– Carl G
Oct 9 '12 at 16:33
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How can you hide database output in Rails console?
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Ok, the solution works for me with webrick but you might be using other server or running in production or testing modes?
– madth3
Oct 21 '11 at 0:48
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How do I convert from stringstream to string in C++?
...end of the expression, so directly calling c_str() on the result of str() (for example in auto *ptr = out.str().c_str();) results in a dangling pointer...
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Browsing Folders in MSYS
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cd /c/ to access C:
cd /d/ for D:
etc.
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JavaScript/regex: Remove text between parentheses
...replace(/\s*\(.*?\)\s*/g, ''));
That'll also replace excess whitespace before and after the parentheses.
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'str' object does not support item assignment in Python
...'t change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr + i
The above creates a new string with each iteration, and stores the reference to that new string in srr.
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