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How to construct a timedelta object from a simple string
...+?)s)?')
def parse_time(time_str):
parts = regex.match(time_str)
if not parts:
return
parts = parts.groupdict()
time_params = {}
for (name, param) in parts.iteritems():
if param:
time_params[name] = int(param)
return timedelta(**time_params)
&g...
What is the difference between const_iterator and non-const iterator in the C++ STL?
What is the difference between a const_iterator and an iterator and where would you use one over the other?
7 Answers
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What is the session's “secret” option?
...ior express-session since 1.11.0 supports secret rotation. From the docs: "If an array of secrets is provided, only the first element will be used to sign the session ID cookie, while all the elements will be considered when verifying the signature in requests." (See expressjs/session#127 for detail...
What's the difference between KeyDown and KeyPress in .NET?
What is the difference between the KeyDown and KeyPress events in .net ?
10 Answers
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How to clear an ImageView in Android?
...eResource(0);
it works but it is not documented so it isn't really clear if it effects something else in the view (you can check the ImageView code if you like, i didn't).
I think the best solution is:
viewToUse.setImageResource(android.R.color.transparent);
I like this solution the most cause...
Reset push notification settings for app
I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start.
...
Shallow copy of a Map in Java
...lone method?).
Josh Bloch on Design - Copy Constructor versus Cloning
If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens.
Bloch (who by the w...
How to draw border on just one side of a linear layout?
...und, I have implemented a BorderDrawable which could give me borders with different size and color in the same way as we use css. But this could not be used via xml. For supporting XML, I have added a BorderFrameLayout in which your layout can be wrapped.
See my github for the complete source.
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How can I redirect the output of the “time” command?
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Clarification on the &> please, where can I learn about these?
– hello_there_andy
Feb 20 '17 at 23:47
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The opposite of Intersect()
...
As stated, if you want to get 4 as the result, you can do like this:
var nonintersect = array2.Except(array1);
If you want the real non-intersection (also both 1 and 4), then this should do the trick:
var nonintersect = array1.Excep...