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SQLAlchemy: cascade delete
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192
The problem is that sqlalchemy considers Child as the parent, because that is where you define...
Java FileReader encoding issue
...e the platform default encoding which is generally a bad idea.
Since Java 11 FileReader has also gained constructors that accept an encoding: new FileReader(file, charset) and new FileReader(fileName, charset).
In earlier versions of java, you need to use new InputStreamReader(new FileInputStream(...
Performing regex Queries with pymongo
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192
If you want to include regular expression options (such as ignore case), try this:
import re
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How to prevent the activity from loading twice on pressing the button
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19 Answers
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Email address validation using ASP.NET MVC data type attributes
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10 Answers
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Is SecureRandom thread safe?
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108
Yes, it is. It extends Random, which always had a de facto threadsafe implementation, and, fro...
jQuery append() vs appendChild()
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105
The main difference is that appendChild is a DOM method and append is a jQuery method. The sec...
UnicodeDecodeError when redirecting to file
...understand that there are in principle two distinct concepts of "string": (1) string of characters, and (2) string/array of bytes. This distinction has been mostly ignored for a long time because of the historic ubiquity of encodings with no more than 256 characters (ASCII, Latin-1, Windows-1252, Ma...