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List vs List
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void main( String[] args ){
List<HashMap<String,String>> myMap;
withWilds( myMap ); // Works
noWilds( myMap ); // Compiler error
}
You would think a List of HashMaps should be a List of Maps, but there's a good reason why it isn't:
Suppose you could do:
List<HashMap...
When would I use Task.Yield()?
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@Krumelur There's a big difference - look at my example. If you use a Task.Run to implement it, ExecuteFooOnUIThread will run on the thread pool, not the UI thread. With await Task.Yield(), you force it to be asynchronous in a way that the subsequent code is still run...
What are the advantages of NumPy over regular Python lists?
...s,))
print("list: %.3e" % (t_list.timeit(Ntimeits)/Ntimeits,))
which on my systems (while I'm running a backup) gives:
numpy: 3.004e-05
list: 5.363e-04
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...""
argv[1]["a b c"]
> test.exe "a"" b c
argv[1][a" b c]
And a few of my own tests:
> test.exe a "b" c
argv[1][a]
argv[2][b]
argv[3][c]
> test.exe a "b c" "d e
argv[1][a]
argv[2][b c]
argv[3][d e]
> test.exe a \"b\" c
argv[1][a]
argv[2]["b"]
argv[3][c]
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Install a .NET windows service without InstallUtil.exe
...ler class...
Here's an example:
[RunInstaller(true)]
public sealed class MyServiceInstallerProcess : ServiceProcessInstaller
{
public MyServiceInstallerProcess()
{
this.Account = ServiceAccount.NetworkService;
}
}
[RunInstaller(true)]
public sealed class MyServiceInstaller : S...
What is the difference between char s[] and char *s?
...ta, which the linker script then dumps into the same segment as .text. See my answer.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jun 5 '15 at 7:33
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Definition of “downstream” and “upstream”
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@MycrofD words can be used as adjectives and nouns depending on the context
– reggaeguitar
Sep 21 '18 at 22:15
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Setting environment variables on OS X
...ut needs a reboot (to restart launchd). If you want to avoid a reboot, see my answer stackoverflow.com/questions/135688/…
– Matt Curtis
Sep 21 '10 at 1:25
25
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How to make git mark a deleted and a new file as a file move?
...ile is renamed or not and i tried it and its working fine, but when i post my code for review and see that file in gerrit (gerritcodereview.com) there it shows the file is newly added and previous was deleted. So is there an option in "git commit" using which i do commit and gerrit shows it properly...
python max function using 'key' and lambda expression
... If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get this as the answer:
>>> max(lis)
(4, 'e')
But, what if you wanted to compare each item by the value at index 1? Simple: use lambda:
>>> max(l...