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python max function using 'key' and lambda expression
... Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get this as the...
Why does running the Flask dev server run itself twice?
...go away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment vari...
Sequence contains no matching element
...
answered Oct 22 '10 at 6:14
Jon SkeetJon Skeet
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In Java, what is the best way to determine the size of an object?
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470
You can use the java.lang.instrument package
Compile and put this class in a JAR:
import jav...
Difference between adjustResize and adjustPan in android?
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243
From the Android Developer Site link
"adjustResize"
The activity's main window is always resiz...
Android Studio suddenly cannot resolve symbols
Android Studio 0.4.2 was working fine and today I opened it and almost everything was red and the auto-completion had stopped working. I look at the imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( andro...
C++11 reverse range-based for-loop
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234
Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#includ...
Is there StartsWith or Contains in t sql with variables?
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edited Feb 22 '19 at 15:40
CroMagnon
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answered ...
Git number of commits per author on all branches
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answered Mar 23 '12 at 12:48
ralphtheninjaralphtheninja
100k1919 gold badges9797 silver badges117117 bronze badges
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How to check if object (variable) is defined in R?
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460
You want exists():
R> exists("somethingUnknown")
[1] FALSE
R> somethingUnknown <- 42...