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Circular (or cyclic) imports in Python
...e was a really good discussion on this over at comp.lang.python last year. It answers your question pretty thoroughly.
Imports are pretty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running progra...
How to add hyperlink in JLabel?
... view using html tags, but how to open the browser when the user clicks on it?
12 Answers
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Explain how finding cycle start node in cycle linked list work?
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This is Floyd's algorithm for cycle detection. You are asking about the second phase of the algorithm -- once you've found a node that's part of a cycle, how does one find the start of the cycle?
In the first part of Floyd's algorithm, the hare...
How do I dynamically assign properties to an object in TypeScript?
...o programatically assign a property to an object in Javascript, I would do it like this:
23 Answers
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How to compare two Dates without the time portion?
...dDate = second.toLocalDate();
return firstDate.compareTo(secondDate);
EDIT: As noted in comments, if you use DateTimeComparator.getDateOnlyInstance() it's even simpler :)
// TODO: consider extracting the comparator to a field.
return DateTimeComparator.getDateOnlyInstance().compare(first, second...
How to write to a file in Scala?
For reading, there is the useful abstraction Source . How can I write lines to a text file?
18 Answers
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How does a Breadth-First Search work when looking for Shortest Path?
...e done some research, and I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain my...
C++ lambda with captures as a function pointer
I was playing with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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How do I create a unique constraint that also allows nulls?
...want to have a unique constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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How to get current foreground activity context in android?
Whenever my broadcast is executed I want to show alert to foreground activity.
14 Answers
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