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Is there a simple way to convert C++ enum to string?
... Just make sure your build process doesn't prepend #pragma( once ) before every include file...
– xtofl
Oct 14 '08 at 18:47
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Debugging Package Manager Console Update-Database Seed Method
...dn't miss the breakpoint by not attaching in time I added a Thread.Sleep before the breakpoint.
I hope this helps someone.
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How to measure time taken between lines of code in python?
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If you want to measure CPU time, can use time.process_time() for Python 3.3 and above:
import time
start = time.process_time()
# your code here
print(time.process_time() - start)
First call turns the timer on, and second call tells you how many seconds have elapsed.
There is al...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...ans the operation can be parallelized.
This distinction is very important for Big Data / MPP / distributed computing, and the entire reason why reduce even exists. The collection can be chopped up and the reduce can operate on each chunk, then the reduce can operate on the results of each chunk - ...
Is there a WebSocket client implemented for Python? [closed]
... found this project: http://code.google.com/p/standalonewebsocketserver/ for a WebSocket server, but I need to implement a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
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Does use of final keyword in Java improve the performance?
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Usually not. For virtual methods, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it loads a clas...
Python: Best way to add to sys.path relative to the current running script
...(e.g., setup.py), then os.path.dirname(__file__) will be the empty string. For this and similar concerns raised by John Jiang, ekhumoro's more general-purpose solution is strongly preferable.
– Cecil Curry
Oct 16 '19 at 6:02
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foreach vs someList.ForEach(){}
...There is one important, and useful, distinction between the two.
Because .ForEach uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEach(x => { if(x.RemoveMe) someList.Remove(x); });
whereas foreac...
Dictionaries and default values
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+1 for readability, but if/else is much faster. That might or might not play a role.
– Tim Pietzcker
Jul 6 '13 at 9:20
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Mongoose, Select a specific field with find
...elds and want to omit only a few, you can prefix the field name with a -. For ex "-name" in the second argument will not include name field in the doc whereas the example given here will have only the name field in the returned docs.
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