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Do sealed classes really offer performance Benefits?
...t-in-net-core-and-net-framework/
Original Answer:
I made the following test program, and then decompiled it using Reflector to see what MSIL code was emitted.
public class NormalClass {
public void WriteIt(string x) {
Console.WriteLine("NormalClass");
Console.WriteLine(x);
...
Define variable to use with IN operator (T-SQL)
... much more slower than simple INoperator like someColumnName in (1,2,3,4) (tested using 8000+ items list)
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How to generate a random number in C++?
...
The most fundamental problem of your test application is that you call srand once and then call rand one time and exit.
The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed.
It means that if you pass the sam...
Automapper: Update property values without creating a new object
...n the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2)
IMapper _mapper;
var config = new MapperConfiguration(cfg =>
{
cfg.CreateMap<Source, Destination>();
});
_mapper = config.CreateMapper();
Source src = new Source
{
//initialize prope...
How fast is D compared to C++?
...But still runs more than 3 times as long. @Matthieu M. I would not mind to test a program with boundschecking in slow motion and once it is debugged let it do its computations without boundschecking. (I do the same with C++ now.)
– Lars
Feb 28 '11 at 21:59
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How to replace a character by a newline in Vim
...minal to run it). xxd shows a hexdump of the resulting file.
echo bar > test
(echo 'Before:'; xxd test) > output.txt
vim test '+s/b/\n/' '+s/a/\r/' +wq
(echo 'After:'; xxd test) >> output.txt
more output.txt
Before:
0000000: 6261 720a bar.
After:
0000000:...
How do I reset a sequence in Oracle?
...me know how you generated the script, which procedure etc.? I would try to test it too.
– Lalit Kumar B
May 8 '15 at 9:38
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CUDA incompatible with my gcc version
... most likely a c preprocessor version flag setting, and if the gcc version test is "hardcoded" in some cuda header as part of a define or macro, it is easy enough to fix. The exception could be the cuda gpu compiler itself.
– Beracah
Nov 28 '16 at 19:35
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...
Not really. Test this var_dump(empty(TRUE))
– machineaddict
Jun 5 '14 at 13:12
1
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scp (secure copy) to ec2 instance without password
...om a local server to a remote server
sudo scp -i my-pem-file.pem ./source/test.txt ec2-user@1.2.3.4:~/destination/
copy a file from a remote server to a local machine
sudo scp -i my-pem-file.pem ec2-user@1.2.3.4:~/source/of/remote/test.txt ./where/to/put
So the basically syntax is:-
scp -i my...