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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
... etc."""
for i in range(4):
yield '<< %s' % i
def reader_wrapper(g):
# Manually iterate over data produced by reader
for v in g:
yield v
wrap = reader_wrapper(reader())
for i in wrap:
print(i)
# Result
<< 0
<< 1
<< 2
<< 3
Instead of ...
Why use apparently meaningless do-while and if-else statements in macros?
...mi-colon. Should the user view code not needing one...
doSomething(1) ;
DO_SOMETHING_ELSE(2) // <== Hey? What's this?
doSomethingElseAgain(3) ;
This means the user expects the compiler to produce an error if the semi-colon is absent.
But the real real good reason is that at some time, the ma...
How to find/identify large commits in git history?
...> bigtosmall.txt
done;
Now you can look at the file bigtosmall.txt in order to decide which files you want to remove from your Git history.
Step 4 To perform the removal (note this part is slow since it's going to examine every commit in your history for data about the file you identified):
g...
What does GitHub for Windows' “sync” do?
...ll - it does "git pull --rebase", which is a crucial difference. Also, the order you have is wrong, pull before push.
– Andiih
Feb 6 '13 at 9:49
...
Easy pretty printing of floats in python?
...most exactly) this command you said you made up:
import numpy as np
np.set_printoptions(precision=2)
Or even better in your case if you still want to see all decimals of really precise numbers, but get rid of trailing zeros for example, use the formatting string %g:
np.set_printoptions(formatter...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...has a VERY easy workaround.
So, this is just me posting the fix here, in order to maximize the probability that someone else does a search for this confusing error message, and finds this answer.
So, here it is. In our case, we had an Objective-C project using a mix of Swift and Objective-C frame...
How do I best silence a warning about unused variables?
...
This is how Q_UNUSED is implemented in principle.
– Dmitry Volosnykh
Jan 17 '12 at 11:02
11
...
Compare DATETIME and DATE ignoring time portion
...char(8) = CONVERT(char(8), GETDATE(), 112)
select
*
from
Sales.Orders
where
CONVERT(char(8), OrderDate, 112) = @filterDate
In a perfect world, performing any manipulation to the filtered column should be avoided because this can prevent SQL Server from using indexes efficiently. Th...
Overriding superclass property with different type in Swift
... do it this way...
class ViewController {
var view: UIView! { return _view }
private var _view: UIView!
}
class ScrollView : UIView {}
class ScrollViewController : ViewController {
override var view: ScrollView! { return super.view as ScrollView! }
}
class HomeView : ScrollView {}...
Android - Camera preview is sideways
...Parameters();
Display display = ((WindowManager)getSystemService(WINDOW_SERVICE)).getDefaultDisplay();
if(display.getRotation() == Surface.ROTATION_0) {
parameters.setPreviewSize(height, width);
mCamera.setDisplayOrientation(90);
}
if(disp...