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What is the purpose of XORing a register with itself? [duplicate]
...t is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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Change font size macvim?
I'm using macvim and I love it. I also happen to really like the default font.
7 Answers
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How do I include a pipe | in my linux find -exec command?
...f interpreting the pipe symbol as an instruction to run multiple processes and pipe the output of one process into the input of another process is the responsibility of the shell (/bin/sh or equivalent).
In your example you can either choose to use your top level shell to perform the piping like s...
AddBusinessDays and GetBusinessDays
... For the second one, one solution is to take the difference between date and date+days. This is nice in that it guarantees that the two functions will sync properly, and it removes redundancy.
– Brian
Jun 25 '09 at 16:20
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How to suppress warnings globally in an R Script
...but the approach of Francesco Napolitano from Sept. 22, 2015, is the safer and more globally-applicable method.
– Andy Clifton
Oct 23 '15 at 18:13
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Convert objective-c typedef to its string equivalent
...roaches are not as clear as a function that makes the conversion explicit (and the array approach, although the classic C way is dangerous if your enum values are not continguous from 0). Something like this would work:
- (NSString*)formatTypeToString:(FormatType)formatType {
NSString *result =...
How to copy commits from one branch to another?
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x - x - x (wss)
So all you have to do is git checkout v2.1 and git merge wss. If for some reason you really can't do this, and you can't use git rebase to move your wss branch to the right place, the command to grab a single commit from somewhere and apply it elsewhere is git cherry-...
BCL (Base Class Library) vs FCL (Framework Class Library)
...y that, the base. It contains basic, fundamental types like System.String and System.DateTime.
The Framework Class Library (FCL) is the wider library that contains the totality: ASP.NET, WinForms, the XML stack, ADO.NET and more. You could say that the FCL includes the BCL.
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How to view files in binary from bash?
...he contents of a file in the current directory, but in binary from the command line. How can I achieve this?
11 Answers
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Create a new object from type parameter in generic class
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This (and all other solutions here) require you to pass in the class on top of specifying the generic. This is hacky and redundant. It means if I have a base class ClassA<T> and extend it ClassB extends ClassA<MyClass>,...