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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...tream things to a string stream and then extract the result and store it.
If you're streaming to and from the same stream, you have to be very careful with the stream state and stream positions.
Using 'just' istringstream or ostringstream better expresses your intent and gives you some checking ag...
“java.lang.OutOfMemoryError : unable to create new native Thread”
...r rewriting into using Callable/Runnables under the control of an Executor if at all possible. There are plenty of standard executors with various behavior which your code can easily control.
(There are many reasons why the number of threads is limited, but they vary from operating system to opera...
How can I get a list of users from active directory?
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If you are new to Active Directory, I suggest you should understand how Active Directory stores data first.
Active Directory is actually a LDAP server. Objects stored in LDAP server are stored hierarchically. It's very sim...
RESTful API methods; HEAD & OPTIONS
...out the communication options available on the request/response chain identified by the Request-URI. This method allows the client to determine the options and/or requirements associated with a resource, or the capabilities of a server, without implying a resource action or initiating a resource ret...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
I know that the auto layout chain consists in basically 3 different process.
2 Answers
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How can I run MongoDB as a Windows service?
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I think if you run it with the --install command line switch, it installs it as a Windows Service.
mongod --install
It might be worth reading this thread first though. There seems to be some problems with relative/absolute paths w...
How to check existence of user-define table type in SQL Server 2008?
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You can look in sys.types or use TYPE_ID:
IF TYPE_ID(N'MyType') IS NULL ...
Just a precaution: using type_id won't verify that the type is a table type--just that a type by that name exists. Otherwise gbn's query is probably better.
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Shell script - remove first and last quote (") from a variable
... that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
15 Answe...
Operator overloading : member function vs. non-member function?
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If you define your operator overloaded function as member function, then the compiler translates expressions like s1 + s2 into s1.operator+(s2). That means, the operator overloaded member function gets invoked on the first op...
Delete all files in directory (but not directory) - one liner solution
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Do you mean like?
for(File file: dir.listFiles())
if (!file.isDirectory())
file.delete();
This will only delete files, not directories.
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