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Difference between one-to-many and many-to-one relationship
... I am afraid that doesn't make scenes! (NOT SURE BUT) i think the order represents dependency! Doesn't it?? E.G, A User to Role may be 1 to many but not many to one because one cannot get references of the user that use the role! Does that make sense?
– Amanuel Nega
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How to get all columns' names for all the tables in MySQL?
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select * from information_schema.columns
where table_schema = 'your_db'
order by table_name,ordinal_position
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How to use orderby with 2 fields in linq? [duplicate]
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MyList.OrderBy(x => x.StartDate).ThenByDescending(x => x.EndDate);
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I want my android application to be only run in portrait mode?
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Old post I know. In order to run your app always in portrait mode even when orientation may be or is swapped etc (for example on tablets) I designed this function that is used to set the device in the right orientation without the need to know h...
How to use PHP OPCache?
...e is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following.
Add the following line to your php.ini:
zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C...
difference between variables inside and outside of __init__()
...company.com
>>> mycompany.com
You can also use class methods in order to change the class variable for all the instances of the class. For example:
@classmethod
def change_my_companys_name(cls, name):
cls.company = name
and now change_my_companys_name()
bob.change_my_companys_na...
Detecting taps on attributed text in a UITextView in iOS
... the tweak below. Also, I needed the full attribute dictionary returned in order to determine the resulting action. I would have put this in the comments but don't appear to have the rep to do so. Apologies in advance if I have violated protocol.
Specific tweak is to use textView.textStorage inste...
how to calculate binary search complexity
...f size n will not exceed log n.
This is just formal mathematical lingo in order to be able to prove statements, etc. It has a very straightforward explanation. When n grows very large, the log n function will out-grow the time it takes to execute the function. The size of the "input set", n, is jus...
How to compare if two structs, slices or maps are equal?
...imple integers. Are slices equal if they contain same elements in the same order? But what if their capacities differ? Etc.
– justinas
Jul 12 '14 at 15:45
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Non-static variable cannot be referenced from a static context
...the resources it is holding such as memory during garbage collection.
In order to have an initial entry point for an application, Java has adopted the convention that the Java program must have a class that contains a method with an agreed upon or special name. This special method is called main()...