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SQL how to make null values come last when sorting ascending
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Note however that if you place an index on the sort column to improve performance(*), then this method will somewhat complicate the query plan and lose much of the performance benefit. * - indexes provided the data presorted, hence avoiding a ...
How to pass values between Fragments
...e that the host activity has implemented the callback interface
// If not, it throws an exception
try
{
mCallback = (OnImageClickListener) context;
}
catch (ClassCastException e)
{
throw new ClassCastException(context.toString...
Java int to String - Integer.toString(i) vs new Integer(i).toString()
...tic method in the class Integer. It does not need an instance of Integer.
If you call new Integer(i) you create an instance of type Integer, which is a full Java object encapsulating the value of your int. Then you call the toString method on it to ask it to return a string representation of itself...
What's the proper value for a checked attribute of an HTML checkbox?
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This is wrong. If you look at the spec, it says: checked (checked) which means "The checked attribute can have the value 'checked'). Only checked is an acceptable value, none of the others are. Boolean attributes allow you to omit every...
Graphical DIFF programs for linux [closed]
I really like Araxis Merge for a graphical DIFF program for the PC. I have no idea what's available for linux , though. We're running SUSE linux on our z800 mainframe.
I'd be most grateful if I could get a few pointers to what programs everyone else likes.
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Why doesn't “System.out.println” work in Android?
...played.
The first Entry to every logging call is the log tag which identifies the source of the log message. This is helpful as you can filter the output of the log to show just your messages. To make sure that you're consistent with your log tag it's probably best to define it once as a static...
How does Angular $q.when work?
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Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object that might be a value or a (3rd party) then-able ...
difference between throw and throw new Exception()
what is the difference between
12 Answers
12
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What to do with “Unexpected indent” in python?
How do I rectify the error "unexpected indent" in python?
16 Answers
16
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Server.MapPath(“.”), Server.MapPath(“~”), Server.MapPath(@“\”), ...
Can anyone explain the difference between Server.MapPath(".") , Server.MapPath("~") , Server.MapPath(@"\") and Server.MapPath("/") ?
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