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How to multiply duration by integer?
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just for my knowledge, how does the following work then? time.Sleep(time.Second * 2)
– Ishan Khare
Aug 27 '15 at 13:25
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Replacements for switch statement in Python?
... of code, it will build 3 functions (through the use of the 3 lambdas) and then build a dictionary with those 3 functions as values, but they remain uncalled (evaluate is slightly ambiguous in that context) at first. Then the dictionary gets indexed via [value], which will return only one of the 3 f...
How do you effectively model inheritance in a database?
... as reports, querying, multi-application use, business intelligence, etc.) then I do not recommend any kind of a simple mapping from objects to tables.
Many people think of a row in a database table as an entity (I spent many years thinking in those terms), but a row is not an entity. It is a propo...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...ception and sun.security.provider.certpath.SunCertPathBuilderException . Then I added twitter certificate by:
34 Answers
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How do I apply a perspective transform to a UIView?
... need to set this value to a negative fraction for your initial transform, then apply your layer rotation transforms to that. You should also be able to do the following:
Objective-C
UIView *myView = [[self subviews] objectAtIndex:0];
CALayer *layer = myView.layer;
CATransform3D rotationAndPerspe...
How can I find out the current route in Rails?
...env['PATH_INFO']
# If you are browsing http://example.com/my/test/path,
# then above line will yield current_uri as "/my/test/path"
To find out the route i.e. controller, action and params:
path = ActionController::Routing::Routes.recognize_path "/your/path/here/"
# ...or newer Rails versions:
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String formatting named parameters?
... by named arguments, followed by *args (a sequence like list or tuple) and then *kwargs (a dict keyed with strings if you know what's good for you).
The interpolation points are determined first by substituting the named values at their labels, and then positional from what's left.
So, you can also ...
JavaScript % (modulo) gives a negative result for negative numbers
... Why take the modulo before adding n? Why not just add n and then take the modulo?
– starwed
Nov 26 '13 at 22:34
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How to install python modules without root access?
...rtificate bootstrap.pypa.io/get-pip.py -O - | /my_python/bin/python - then you can install other modules with pip + prefix
– teng_wenxuan
Aug 12 '17 at 0:55
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Enter triggers button click
...hat is triggered in this situation. If you specifically set type="button", then it's removed from consideration by the browser.
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