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What is “(program)” in Chrome debugger’s profiler?
... the root of the tree calling all other code...it's there because the jump from native code to JavaScript, resource loading, etc. has to start somewhere :)
You can see examples of the treeview in the Chrome developer tool docs.
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How to properly assert that an exception gets raised in pytest?
...=
Note that e_info saves the exception object so you can extract details from it. For example, if you want to check the exception call stack or another nested exception inside.
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slf4j: how to log formatted message, object array, exception
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Python Logging (function name, file name, line number) using a single file
...ywhere you want, just add:
logger.debug('your message')
Example output from a script I'm working on right now:
[invRegex.py:150 - handleRange() ] ['[A-Z]']
[invRegex.py:155 - handleRepetition() ] [[<__main__.CharacterRangeEmitter object at 0x10ba03050>, '{', '1', '}']]
[invRe...
Android Json and null values
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How can I use interface as a C# generic type constraint?
...eneric types that they otherwise could not, rather than on preventing them from being used in nonsensical ways. That having been said, an interface constraint on T should allow reference comparisons between T and any other reference type, since reference comparisons are allowed between any interfac...
Rails migrations: Undo default setting for a column
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Rails 5+
def change
change_column_default( :table_name, :column_name, from: nil, to: false )
end
Rails 3 and Rails 4
def up
change_column_default( :table_name, :column_name, nil )
end
def down
change_column_default( :table_name, :column_name, false )
end
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Bash script error [: !=: unary operator expected
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Python non-greedy regexes
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You seek the all-powerful *?
From the docs, Greedy versus Non-Greedy
the non-greedy qualifiers *?, +?, ??, or {m,n}? [...] match as little
text as possible.
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How to add new item to hash
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If you want to add new items from another hash - use merge method:
hash = {:item1 => 1}
another_hash = {:item2 => 2, :item3 => 3}
hash.merge(another_hash) # {:item1=>1, :item2=>2, :item3=>3}
In your specific case it could be:
hash =...