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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...er testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain function call. So, if you're issuing a lot of small function calls, a thread...
how to split the ng-repeat data with three columns using bootstrap
...re clear. Check out what happens if you make a filter that just returns [] vs [[]] and [{}]. The nested array/object makes Angular see a different result on every filter, and keeps repeating looking for the result to remain the same (stabilize).
– m59
Mar 18 '1...
Proper way to declare custom exceptions in modern Python?
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see how exceptions work by default if one vs more attributes are used (tracebacks omitted):
>>> raise Exception('bad thing happened')
Exception: bad thing happened
>>> raise Exception('bad thing happened', 'code is broken')
Exception: ('bad thing ...
What is the difference between the HashMap and Map objects in Java?
...nt to use the most general interface you possibly can. Consider ArrayList vs LinkedList. Huge difference in how you use them, but if you use "List" you can switch between them readily.
In fact, you can replace the right-hand side of the initializer with a more dynamic statement. how about some...
How can I get the version defined in setup.py (setuptools) in my package?
...at django performs an __import__ call in their setup.py. Does '__import__' vs 'import' make this safe? It doesn't appear to be causing them any problems.
– user1978019
Apr 13 '15 at 23:08
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Give all the permissions to a user on a DB
.... More details:
How to manage DEFAULT PRIVILEGES for USERs on a DATABASE vs SCHEMA?
Grant privileges for a particular database in PostgreSQL
How to grant all privileges on views to arbitrary user
Consider upgrading to a current version.
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Why do we use $rootScope.$broadcast in AngularJS?
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What is an example where you would use $broadcast vs. $broadcast.apply()
– guest
Aug 5 '16 at 15:52
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How to sort a list in Scala by two fields?
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It's interesting to think about the performance of this vs. a single sortBy that creates a tuple. With this approach you obviously don't have to create those tuples, but with the tuple approach you only have to compare first names where last names match. But I suppose it doesn't...
Securely storing environment variables in GAE with app.yaml
...ues I highlighted, perhaps storing in another file if you want to use this vs. app.yaml. If I understand the question, it's something akin to shipping an open source app with the library maker's actual client secret or prod. key.
– therewillbesnacks
Mar 27 '14 ...
What do the python file extensions, .pyc .pyd .pyo stand for?
...is-a-pyd-file-the-same-as-a-dll
Also for some further discussion on .pyc vs .pyo, take a look at: http://www.network-theory.co.uk/docs/pytut/CompiledPythonfiles.html (I've copied the important part below)
When the Python interpreter is invoked with the -O flag, optimized code is generated a...