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Why are C# interface methods not declared abstract or virtual?
... a list of interface vtables, one vtable per interface (so that the method order is preserved). This is how COM interfaces are typically implemented as well.
In .NET, though, interfaces are not implemented as distinct vtables for each class. Interface methods are indexed through a global interfac...
How to retrieve a single file from a specific revision in Git?
...pposed to git show, which allows you to save it under a different name, in order for you to get and see both (the current version and the old version). It is unclear from the question if the OP wants to replace its current version by an old one.
– VonC
Jun 6 '1...
Copy the entire contents of a directory in C#
... letter each. I haven’t tried this. But just to illustrate the point: in order to make this code overflow on a typical computer, the directories would have to be nested a few thousand times. This is simply not a realistic scenario.
...
Adding a new value to an existing ENUM Type
...he enum type you want to change, you can try this. Also you can change the order of values in the new type.
-- 1. rename the enum type you want to change
alter type some_enum_type rename to _some_enum_type;
-- 2. create new type
create type some_enum_type as enum ('old', 'values', 'and', 'new', 'on...
Has anyone actually implemented a Fibonacci-Heap efficiently?
...lemented a Fibonacci-Heap ? I did so a few years back, but it was several orders of magnitude slower than using array-based BinHeaps.
...
Using the RUN instruction in a Dockerfile with 'source' does not work
...targets /bin/sh to dash for a reason. dash is a fully posix shell which is orders of magnitude faster than bash. linking /bin/sh to bash will drastically reduce your server's performance. cite: wiki.ubuntu.com/DashAsBinSh
– xero
May 9 '16 at 18:35
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How to check if a string contains a substring in Bash
...
Note that the order in which the test occurs matters. The output of the following line of code will be forward 2. number=2; if [[ "1, 2, 4, 5" = *${number}* ]]; then echo forward $number; fi; if [[ *${number}* = "1, 2, 4, 5" ]]; then echo ...
Running a command in a Grunt Task
...commands inside a batch or shell which calls the commands in you preferred order. Or you define task e.g. mycmds and write "exec:cmd1", "exec:cmd2" then you also have synchronously order.
– Sebastian
Aug 12 '14 at 9:18
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How to smooth a curve in the right way?
...om(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-Golay filter has been incorporated i...
Which C++ idioms are deprecated in C++11?
... Regarding 14) I'm still crying that I have to use macros in order to write the same code twice -- once for the function body and once for the decltype() statement...
– user678269
Mar 31 '14 at 22:56
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