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Java - Method name collision in interface implementation
...ame method signature , how do I make a class implement both without being forced to write a single method that serves for the both the interfaces and writing some convoluted logic in the method implementation that checks for which type of object the call is being made and invoke proper code ?
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Iterating Through a Dictionary in Swift
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Dictionaries in Swift (and other languages) are not ordered. When you iterate through the dictionary, there's no guarentee that the order will match the initialization order. In this example, Swift processes the "Square" key before the others. You can see this by adding a prin...
'str' object does not support item assignment in Python
...t change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr + i
The above creates a new string with each iteration, and stores the reference to that new string in srr.
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how to bypass Access-Control-Allow-Origin?
I'm doing a ajax call to my own server on a platform which they set prevent these ajax calls (but I need it to fetch the data from my server to display retrieved data from my server's database).
My ajax script is working , it can send the data over to my server's php script to allow it to process.
H...
How can I change the color of AlertDialog title and the color of the line under it
I changed the color of an AlertDialog title using this command
14 Answers
14
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Create whole path automatically when writing to a new file
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@surajs1n: If the directory already exists, mkdirs will do nothing.
– Jon Skeet
Nov 17 '19 at 18:14
3
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Search and replace in Vim across all the project files
I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
I am a little confused about the JPA 2.0 orphanRemoval attribute.
8 Answers
8
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How do you cast a List of supertypes to a List of subtypes?
For example, lets say you have two classes:
17 Answers
17
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List comprehension vs. lambda + filter
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It is strange how much beauty varies for different people. I find the list comprehension much clearer than filter+lambda, but use whichever you find easier.
There are two things that may slow down your use of filter.
The first is the function call overhead: as ...