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Jaxb, Class has two properties of the same name
...FIELD), but if you prefer to annotate either a get- or set-method then you don't.
So you can do:
@XmlRootElement(name="MY_CLASS_A")
@XmlAccessorType(XmlAccessType.FIELD)
public class MyClassA
{
@XmlElement(name = "STATUS")
private int status;
//.. and so on
}
Or:
@XmlRootElement(n...
Compare object instances for equality by their attributes
...__(self, other):
if not isinstance(other, MyClass):
# don't attempt to compare against unrelated types
return NotImplemented
return self.foo == other.foo and self.bar == other.bar
Now it outputs:
>>> x == y
True
Note that implementing __eq__ wi...
Count number of occurrences of a pattern in a file (even on same line)
...te
Some suggest to use just grep -co foo instead of grep -o foo | wc -l.
Don't.
This shortcut won't work in all cases. Man page says:
-c print a count of matching lines
Difference in these approaches is illustrated below:
1.
$ echo afoobarfoobar | grep -oc foo
1
As soon as the match is fou...
when I run mockito test occurs WrongTypeOfReturnValue Exception
...90, you should rephrase your
when(bar.getFoo()).thenReturn(fooBar)
to
doReturn(fooBar).when(bar).getFoo()
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How come an array's address is equal to its value in C?
... int *p = &a, if I want the memory address of the int pointer p, I can do &p. Since &array converts to the address of the whole array (which starts at the address of the first element). Then how do I find the memory address of the array pointer (which stores the address of the first elem...
If I revoke an existing distribution certificate, will it mess up anything with existing apps?
...has the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certificate, and then re-assign one, will I then be able to sign the app and upload it without problem?
...
When should we use intern method of String on String literals
...cases, the == operator appears to work for Strings in the same way that it does for ints or other primitive values.
Since interning is automatic for String literals, the intern() method is to be used on Strings constructed with new String()
Using your example:
String s1 = "Rakesh";
String s2 = "R...
How to check for valid email address? [duplicate]
...ons regarding this topic also seems to have problems with it if it is a subdomained email address.
18 Answers
...
Best practice for storing and protecting private API keys in applications [closed]
... the constant names APP_KEY and APP_SECRET. Extracting keys from such self-documenting code is trivial, for instance with the standard Android tool dx.
You can apply ProGuard. It will leave the key strings untouched, but it will remove the constant names. It will also rename classes and methods with...
How to declare constant map
...
Your syntax is incorrect. To make a literal map (as a pseudo-constant), you can do:
var romanNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV...