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Convert int to string?
...se type safety. myInt could be anything. Nothing here says take an integer and convert it to a string. myInt could be an object and an object can't be converted to a string. That's known at compile time, but it wouldn't even raise a runtime exception it would just allow bad data.
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Rails 3 migrations: Adding reference column?
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EDIT: This is an outdated answer and should not be applied for Rails 4.x+
You don't need to add references when you can use an integer id to your referenced class.
I'd say the advantage of using references instead of a plain integer is that the model will ...
Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
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Why an abstract class implementing an interface can miss the declaration/implementation of one of th
... try making a subclass of AbstractThing without implementing the m2 method and see what errors the compiler gives you. It will force you to implement this method.
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Why does pycharm propose to change method to static
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PyCharm proposes this because the method does not use self in its body and hence does not actually change the class instance. Hence the method could be static, i.e. callable without passing a class instance or without even having created a class instance.
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How to remove all leading zeroes in a string
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why overcomplicate things? and mike it's $str += 0; as explained here: nabtron.com/kiss-code
– Nabeel Khan
Apr 16 '16 at 23:58
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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For this case, where you want to get a Control of a Form and are receiving this error, then I have a little bypass for you.
Go to your Program.cs and change
Application.Run(new Form1());
to
public static Form1 form1 = new Form1(); // Place this var out of the constructor
Appli...
Under what conditions is a JSESSIONID created?
...ll return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not sent. (This also means that session isn't necessarily created on first request... you and your code are in control when the session is created)
Sessions are per-context:
SRV.7.3 Session Scope...
How do I make a placeholder for a 'select' box?
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I usually add both disabled and selected. Seems to work in FF too.
– nilskp
May 21 '12 at 18:05
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How to use ng-repeat without an html element
...er it comes out) you'll be able to repeat over multiple elements, e.g., dt and dd: youtube.com/watch?v=W13qDdJDHp8&t=17m28s
– Mark Rajcok
Jul 18 '13 at 13:50
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