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How to know which version of Symfony I have?
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Run app/console --version (for Symfony3: bin/console --version), it should give you a pretty good idea. On a random project of mine, the output is:
Symfony version 2.2.0-DEV - app/dev/debug
If you can't access the console, try reading symfony/src/Symfony/Component...
Xcode duplicate/delete line
Coming from Eclipse and having been used to duplicate lines all the time, it's pretty strange finding out that Xcode has no such function. Or does it?
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Difference between virtual and abstract methods [duplicate]
...n implementation and provide the derived classes with the option of overriding it. Abstract methods do not provide an implementation and force the derived classes to override the method.
So, abstract methods have no actual code in them, and subclasses HAVE TO override the method. Virtual methods c...
Should I use s and s inside my s?
The title pretty much explains it.
8 Answers
8
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PostgreSQL Crosstab Query
Does any one know how to create crosstab queries in PostgreSQL?
For example I have the following table:
6 Answers
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Package Manager Console Enable-Migrations CommandNotFoundException only in a specific VS project
I tried to run the command 'Enable-Migrations' in a new project and I got the message:
26 Answers
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How do malloc() and free() work?
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OK some answers about malloc were already posted.
The more interesting part is how free works (and in this direction, malloc too can be understood better).
In many malloc/free implementations, free does normally not return the memory to the operating system (or at least only in rare...
Undefined reference to vtable
When building my C++ program, I'm getting the error message
16 Answers
16
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C# Set collection?
Does anyone know if there is a good equivalent to Java's Set collection in C#? I know that you can somewhat mimic a set using a Dictionary or a HashTable by populating but ignoring the values, but that's not a very elegant way.
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std::wstring VS std::string
I am not able to understand the differences between std::string and std::wstring . I know wstring supports wide characters such as Unicode characters. I have got the following questions:
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