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How to iterate over rows in a DataFrame in Pandas
... From the documentation: "Iterating through pandas objects is generally slow. In many cases, iterating manually over the rows is not needed[...]". Your answer is correct (in the context of the question) but does not mention this anywhere, so it isn't a very good one.
– ...
When would you use the Builder Pattern? [closed]
...ed when the factory can easily create the entire object within one method call.
One example of using a builder is a building an XML document, I've used this model when building HTML fragments for example I might have a Builder for building a specific type of table and it might have the following me...
UIDevice uniqueIdentifier deprecated - What to do now?
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A UUID created by CFUUIDCreate is unique if a user uninstalls and re-installs the app: you will get a new one each time.
But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-installs the app. This requires a bit of effort, since the...
C pointers : pointing to an array of fixed size
...proficiency with C language.
When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constant), the only proper way to pass such an array to a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language th...
Can Google Chrome open local links?
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Not even local dir with the index.html is allowed to access! How would that be insecure? With that policy thinking it is safest to not use Chrome at all.
– user985399
Aug 12 '19 at 15:25
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Getting the thread ID from a thread
...ive thread. There are ways to make it work with managed threads, I'm sure, all you need to find is the thread handle and pass it to that function.
GetCurrentThreadId returns the ID of the current thread.
GetCurrentThreadId has been deprecated as of .NET 2.0: the recommended way is the Thread.Curr...
Call AngularJS from legacy code
...larJS to build HTML controls that interact with a legacy Flex application. All callbacks from the Flex app must be attached to the DOM window.
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Is there a properly tested alternative to Select2 or Chosen? [closed]
I am looking for an alternative to Select2 that basically provides the same functionality, but includes proper tests.
3 An...
Is recursion ever faster than looping?
...airly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. In some C compilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function...
How do I check how many options there are in a dropdown menu?
...ctual option count / select.length after I populated my select list dynamically via ajax in the .done({}); using .append(). Way to go!
– yardpenalty.com
Nov 10 '16 at 21:35
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