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What in the world are Spring beans?
... your application and that are
managed by the Spring IoC* container are called beans. A bean is an
object that is instantiated, assembled, and otherwise managed by a
Spring IoC container. These beans are created with the configuration
metadata that you supply to the container, for example, i...
Are there inline functions in java?
...mple, ex.:
assert false : new com.google.common.base.Function<Void,String>(){
@Override public String apply(Void input) {
//your complex code go here
return "weird message";
}}.apply(null);
yes, this is dead code just to exemplify how to create a ...
Why does typeof array with objects return “object” and not “array”? [duplicate]
...isArray(data);
But the most reliable way is:
isArr = Object.prototype.toString.call(data) == '[object Array]';
Since you tagged your question with jQuery, you can use jQuery isArray function:
var isArr = $.isArray(data);
...
Why does the C# compiler not fault code where a static method calls an instance method?
...:
class SillyStuff
{
static void SameName(object o) { }
void SameName(string s) { }
public static void Test()
{
SameName("Hi mom");
}
}
This will not compile because the best overload is the one taking a string. But hey, that's an instance method, so compiler complains (instead of ...
Maximum value for long integer
... sys.maxsize can be used as an
integer larger than any practical list or string index. It conforms to
the implementation’s “natural” integer size and is typically the same
as sys.maxint in previous releases on the same platform (assuming the
same build options).
and, for anyone inter...
String concatenation does not work in SQLite
...entation:
The || operator is "concatenate" - it joins together the two strings of its operands.
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Android- create JSON Array and JSON Object
...entsObj = new JSONObject();
studentsObj.put("Students", jsonArray);
String jsonStr = studentsObj.toString();
System.out.println("jsonString: "+jsonStr);
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Pandas groupby: How to get a union of strings
...
In [4]: df = read_csv(StringIO(data),sep='\s+')
In [5]: df
Out[5]:
A B C
0 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtype...
Function to calculate distance between two coordinates
...in decimal minutes.
Private Function calculateDistance(ByVal long1 As String, ByVal lat1 As String, ByVal long2 As String, ByVal lat2 As String) As Double
long1 = Double.Parse(long1)
lat1 = Double.Parse(lat1)
long2 = Double.Parse(long2)
lat2 = Double.Parse(lat2)
'conversion...
Find difference between timestamps in seconds in PostgreSQL
...
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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