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What is the logic behind the “using” keyword in C++?
...aration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq following the identifier appertains
to that typedef-name. It has the same semantics as if it were
introduced by the typedef specifier. In particular, it does not define
a new type and ...
How can I make setuptools install a package that's not on PyPI?
I've just started working with setuptools and virtualenv. My package requires the latest python-gearman that is only available from GitHub. The python-gearman version that's on PyPI is an old one. The Github source is setuptools-compatible, i.e. has setup.py, etc. Is there a way to make setuptools d...
How to kill zombie process
I launched my program in the foreground (a daemon program), and then I killed it with kill -9 , but I get a zombie remaining and I m not able to kill it with kill -9 . How to kill a zombie process?
...
How do you create a daemon in Python?
...The first result is to this code recipe which has a lot of documentation and explanation, along with some useful discussion underneath.
...
CSS file not opening in Visual Studio 2010 SP1?
...
I found the solution from here:
I was having the same issue and found that by going to the Tools -> Extension Manager -> Online Gallery and search for/install the "Web Standards Update for Microsoft Visual Studio 2010 sp1" I was able to open CSS files again.
And it worked for ...
How to use SCNetworkReachability in Swift
...the Swift language, which made it a bit confusing. I have now rewritten it and removed everything which refers to Swift 1.x. The older code can
be found in the edit history if somebody needs it.)
This is how you would do it in Swift 2.0 (Xcode 7):
import SystemConfiguration
func connectedToNetwor...
What C++ Smart Pointer Implementations are available?
...ters shouldn't contain the same object. Assignment will transfer ownership and reset the rvalue auto pointer to a null pointer. Which leads to perhaps the worst drawback; they can't be used within STL containers due to the aforementioned inability to be copied. The final blow to any use case is they...
Can you target with css?
...
BR generates a line-break and it is only a line-break. As this element has no content, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension.
If yo...
XPath OR operator for different nodes
... substrees of a whole XML tree. "//book|//cd" means among all child nodes and descendant of the root node find all ones named 'book' then find also all named 'cd'. If in the descendance of the root node there are only book nodes,your node-set will contain book nodes only. If in the descendance of...
How to concatenate text from multiple rows into a single text string in SQL server?
...h one-to-many relationships. In SQL 2005 I found that XML PATH method can handle the concatenation of the rows very easily.
If there is a table called STUDENTS
SubjectID StudentName
---------- -------------
1 Mary
1 John
1 Sam
2 Al...