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How to print to stderr in Python?
...import the print function, every other "print" in the original script will now need to be "functionized" adding "(" and ")". So that is a slight strike against this method, IMO.
– Dan H
Nov 12 '14 at 18:38
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How to get cumulative sum
...ata -->
Create Table CUMULATIVESUM (id tinyint , SomeValue tinyint)
**Now let put some data in the table**
Insert Into CUMULATIVESUM
Select 1, 10 union
Select 2, 2 union
Select 3, 6 union
Select 4, 10
here I am joining same table (SELF Joining)
Select c1.ID, c1.SomeValue, c2.SomeValue
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Using ChildActionOnly in MVC
... ViewBag.Message = "This is from Index()";
var model = DateTime.Now;
return View(model);
}
[ChildActionOnly]
public PartialViewResult MyDateTime()
{
ViewBag.Message = "This is from MyDateTime()";
var model = DateTime.Now;
return PartialVie...
In C#, What is a monad?
...ittag I read that quote before, but it sounded like overly heady nonsense. Now that I do understand monads and read this explanation of how ';' is one, I get it. But I think it's really an irrational statement to most imperative developers. ';' isn't seen as an operator anymore than // is to most.
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How do I deal with certificates using cURL while trying to access an HTTPS url?
...hub.com/cfg/apt-cyg/master/apt-cyg -k
and no error message. As a bonus, now I have apt-cyg installed. And ca-certificates.
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How to get all subsets of a set? (powerset)
... to for i in range(1, 1 << x).
Returning to this years later, I'd now write it like this:
def powerset(s):
x = len(s)
masks = [1 << i for i in range(x)]
for i in range(1 << x):
yield [ss for mask, ss in zip(masks, s) if i & mask]
And then the test code...
Remove files from Git commit
...to leave them out from the commit:
git reset HEAD path/to/unwanted_file
Now commit again, you can even re-use the same commit message:
git commit -c ORIG_HEAD
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How do you write tests for the argparse portion of a python module? [closed]
...th parameter args=sys.argv[1:]. It already calls the ArgumentParser.parse_known_args-method. With argument args==None it will obtain them with args = _sys.argv[1:] where _sys is an alias for sys. (It might be an update since the answer was posted.)
– Thomas Fauskanger
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ADB No Devices Found
..., and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources".
42 Answers
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Why is there no String.Empty in Java?
...e 2nd one it needs to do some kind of check to figure out "hey, I already know about this string from back over here". I'm admittedly no expert in the java compiler, but how could this NOT be the case? And I would think skipping that check would result in a minuscule improvement in compile times.
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