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EF Code First foreign key without navigation property
...-IgnoreChanges SomeNewSchemaName. The migration will only contain empty Up and Down methods in this case.
Then you can modify the Up method by adding the follwing to it:
public override void Up()
{
// other stuff...
AddForeignKey("ChildTableName", "ParentId", "ParentTableName", "Id",
...
How can I programmatically check whether a keyboard is present in iOS app?
...take the easy way:
When you enter a textField, it becomes first responder and the keyboard appears.
You can check the status of the keyboard with [myTextField isFirstResponder]. If it returns YES, then the the keyboard is active.
...
Bytes of a string in Java
... turn it into bytes.
That said, you can turn the string into a byte array and then look at its size as follows:
// The input string for this test
final String string = "Hello World";
// Check length, in characters
System.out.println(string.length()); // prints "11"
// Check encoded sizes
final b...
What is the purpose of the single underscore “_” variable in Python?
...nt) in an interactive
interpreter session. This precedent was set by the standard CPython
interpreter, and other interpreters have followed suit
As a general purpose "throwaway" variable name to indicate that part
of a function result is being deliberately ignored (Conceptually, it is being discarde...
Why can't stash be applied to the working directory?
...d an untracked file that was subsequently added to the repo. When you try and check it out, git rightly refuses because it would be overwriting an existing file.
To fix, you could do something like deleting that file (it's okay, it's still in the repo), applying your stash, and then replacing the ...
How to choose between Hudson and Jenkins? [closed]
... is now, but more importantly, what is the direction each branch is taking and what are key points so one could make a choice between which to go with?
...
What is __init__.py for?
... documentation.
Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is ...
When would you use the Builder Pattern? [closed]
...
The key difference between a builder and factory IMHO, is that a builder is useful when you need to do lots of things to build an object. For example imagine a DOM. You have to create plenty of nodes and attributes to get your final object. A factory is used whe...
Enabling WiFi on Android Emulator
How to enable WiFi on Android emulator? I have tried to find this but everyone is confusing WiFi with 3G.
6 Answers
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How to comment lines in rails html.erb files? [duplicate]
...newbie to rails ,
please let me know the way to comment out a single line and also to comment out
a block of lines in *.html.erb files.
...