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What's the difference between globals(), locals(), and vars()?
... namespace
vars() returns either a dictionary of the current namespace (if called with no argument) or the dictionary of the argument.
locals and vars could use some more explanation. If locals() is called inside a function, it updates a dict with the values of the current local variable namespac...
CMake link to external library
...ation. I think it would be better here to resolve the failing find_library call in the original question, or use @Andre's solution.
– Fraser
Mar 27 '13 at 23:41
4
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Why can lambdas be better optimized by the compiler than plain functions?
...passing them to a function template will instantiate a new function specifically for that object. The compiler can thus trivially inline the lambda call.
For functions, on the other hand, the old caveat applies: a function pointer gets passed to the function template, and compilers traditionally ha...
What is the documents directory (NSDocumentDirectory)?
...ILABLE(10_8, NA) = 23, // location of the user scripts folder for the calling application (~/Library/Application Scripts/code-signing-id)
NSItemReplacementDirectory NS_ENUM_AVAILABLE(10_6, 4_0) = 99, // For use with NSFileManager's URLForDirectory:inDomain:appropriateForURL:create:err...
What is the point of noreturn?
...rn attribute is supposed to be used for functions that don't return to the caller. That doesn't mean void functions (which do return to the caller - they just don't return a value), but functions where the control flow will not return to the calling function after the function finishes (e.g. functio...
What is the use of “assert” in Python?
...rt True # nothing happens
>>> assert False
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AssertionError
Assertions can include an optional message, and you can disable them when running the interpreter.
To print a message if the assertion fails:
as...
“Single-page” JS websites and SEO
...ernet enabled platforms) both have a similar underlying philosophy: semantically rich markup that is "accessible" (i.e. can be accessed, viewed, read, processed, or otherwise used) to all these different browsers. A screen reader, a search engine crawler or a user with JavaScript enabled, should all...
Adding console.log to every function automatically
... there a way to make any function output a console.log statement when it's called by registering a global hook somewhere (that is, without modifying the actual function itself) or via some other means?
...
How do I design a class in Python?
...internal state. For this Database object you could hide how the networking calls work, or batch queries or updates, or provide a caching layer.
The problem is this Database object is HUGE. It represents how to access a database, so under the covers it could do anything and everything. Clearly netw...
What is the recommended way to delete a large number of items from DynamoDB?
...
What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over time by the AWS te...