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What's is the difference between include and extend in use case diagram?
...case adds steps to another first-class use case.
For example, imagine "Withdraw Cash" is a use case of an Automated Teller Machine (ATM). "Assess Fee" would extend Withdraw Cash and describe the conditional "extension point" that is instantiated when the ATM user doesn't bank at the ATM's owning...
static linking only some libraries
... statically link only a some specific libraries to my binary when linking with GCC?
8 Answers
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.NET - Dictionary locking vs. ConcurrentDictionary
...gh information on ConcurrentDictionary types, so I thought I'd ask about it here.
8 Answers
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How to check if a variable is set in Bash?
...a parameter expansion which evaluates to nothing if var is unset, and substitutes the string x otherwise.
Quotes Digression
Quotes can be omitted (so we can say ${var+x} instead of "${var+x}") because this syntax & usage guarantees this will only expand to something that does not require quote...
How to assign the output of a command to a Makefile variable
I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5).
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Path.Combine for URLs?
...t:
PM> Install-Package Flurl.Http
Or get the stand-alone URL builder without the HTTP features:
PM> Install-Package Flurl
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Iterating over dictionaries using 'for' loops
I am a bit puzzled by the following code:
13 Answers
13
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how to convert java string to Date object [duplicate]
...vely converted your date in a string format to a date object. If you print it out at that point, you will get the standard date formatting output. In order to format it after that, you then need to convert it back to a date object with a specified format (already specified previously)
String startD...
LINQ-to-SQL vs stored procedures? [closed]
...ety: I think we all understand this.
Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the framework to add additional improvements that you can easily take advantage of. PLINQ is an example of adding multi-threading support to LINQ. Code changes are minimal...
Copy constructor for a class with unique_ptr
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Since the unique_ptr can not be shared, you need to either deep-copy its content or convert the unique_ptr to a shared_ptr.
class A
{
std::unique_ptr< int > up_;
public:
A( int i ) : up_( new int( i ) ) {}
A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
i...