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Why do C++ libraries and frameworks never use smart pointers?
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Apart from the fact that many libraries were written before the advent of standard smart pointers, the biggest reason is probably the lack of a standard C++ Application Binary Interface (ABI).
If you’re writing a header-only lib...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
... and a list of floor requests sorted in the direction. It receives request from this elevator.
Then there is a bank. It contains the elevators and receives the requests from the floors. These are scheduled to all active elevators (not in maintenance).
The scheduling will be like:
if available pi...
sed edit file in place
... to write the output back to the file. Another option is to create a patch from piping the content into diff.
Tee method
sed '/regex/' <file> | tee <file>
Patch method
sed '/regex/' <file> | diff -p <file> /dev/stdin | patch
UPDATE:
Also, note that patch will get the ...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
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There is no implicit (automatic) cast from text or varchar to integer (i.e. you cannot pass a varchar to a function expecting integer or assign a varchar field to an integer one), so you must specify an explicit cast using ALTER TABLE ... ALTER COLUMN ... TYPE .....
ASP.NET MVC - Should business logic exist in controllers?
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This is from Microsoft's 'Server-Side Implementation' msdn.microsoft.com/en-us/library/hh404093.aspx
– Justin
Jun 16 '14 at 7:36
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How to implement my very own URI scheme on Android
...WSABLE - this is not necessary, but it will allow your URIs to be openable from the browser (a nifty feature).
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Does Firefox support position: relative on table elements?
...rmatting if it's applied directly to the element. Because it's changing it from table-cell... or am I crazy?
– Ben Johnson
Feb 28 '11 at 22:15
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How do you test that a Python function throws an exception?
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Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example:
import mymod
class MyTestCase(unittest.TestCase):
def test1(self):
self.assertRaises(SomeCoolException, mymod.myfunc)
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What is the meaning of “this” in Java?
... a main method is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Ple...
What is the difference between “pom” type dependency with scope “import” and without “import”?
Starting from Maven 2.0.9 there is possibility to include
3 Answers
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