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What is the difference between an int and an Integer in Java and C#?
...mitive. So:
String s = i.toString();//will not work!!!
would produce an error, because int is not an object.
int is one of the few primitives in Java (along with char and some others). I'm not 100% sure, but I'm thinking that the Integer object more or less just has an int property and a whole b...
How to track child process using strace?
...ously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
4 Answers
...
Transaction marked as rollback only: How do I find the cause
...ataAccessException exception on a read-only transaction and I got the same error. Changing my annotation to @Transactional(readOnly = true, noRollbackFor = EmptyResultDataAccessException.class) fixed the problem.
– cbmeeks
Oct 25 '16 at 17:57
...
How to disable python warnings
...lter("ignore")
fxn()
I don't condone it, but you could just suppress all warnings with this:
import warnings
warnings.filterwarnings("ignore")
Ex:
>>> import warnings
>>> def f():
... print('before')
... warnings.warn('you are warned!')
... print('after')
>>> ...
Load image from resources area of project in C#
... @SriHarshaChilakapati typeof(this); doesn't compile. You get Error 1 Type expected
– John Gibb
Jan 7 '14 at 16:32
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show 1 mor...
How to pass a class type as a function parameter
...A = B()
// B.Type also inherits from A.Type
let type: A.Type = B.self
// Error: 'C' is not a subtype of 'A'
let type2: A.Type = C.self
That's why you shouldn't use AnyClass, unless you really want to allow any class. In this case the right type would be T.Type, because it expresses the link betw...
Multiple constructors in python? [duplicate]
... Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work.
isinstance is best avoided becaus...
Creating a comma separated list from IList or IEnumerable
...3, 64bit RyuJIT
Method | Job | Runtime | Mean | Error | StdDev | Min | Max | Median | Rank | Gen 0 | Allocated |
---------------------- |----- |-------- |---------:|----------:|----------:|---------:|---------:|---------:|-----:|-------:|----------:|
...
Python regular expressions return true/false
...sing Python regular expressions how can you get a True / False returned? All Python returns is:
6 Answers
...
iterating over each character of a String in ruby 1.8.6 (each_char)
I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like:
...