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What's the best way to set a single pixel in an HTML5 canvas?
...As of July 2017, fillRect() is 5-6× faster on Firefox v54 and Chrome v59 (Win7x64).
Other, sillier alternatives are:
using getImageData()/putImageData() on the entire canvas; this is about 100× slower than other options.
creating a custom image using a data url and using drawImage() to show it:...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...eeper as a sample application. I've found this MSDN article on a simple WinDbg command that reveals all the mines but it is old, is not explained in any detail and really isn't what I'm looking for.
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to_string is not a member of std, says g++ (mingw)
...inGW-w64 project. Despite the name, the project provides toolchains for 32-bit along with 64-bit. The Nuwen MinGW distro also solves this issue.
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Configure apache to listen on port other than 80
...he port that was open.
If you are facing the same problem, Run the following command
sudo nmap -T Aggressive -A -v 127.0.0.1 -p 1-65000
It will scan for all the open ports on your system. Any port that is open can be accessed from outside.
Ref.: http://www.go2linux.org/which_service_or_progra...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
... core
tells us that the core file is actually an ELF file:
core: ELF 64-bit LSB core file x86-64, version 1 (SYSV), SVR4-style, from './main.out'
which is why we are able to inspect it more directly with usual binutils tools.
A quick look at the ELF standard shows that there is actually an ELF...
Is it bad to have my virtualenv directory inside my git repository?
... C module, like many Python modules do, to increase performance. I imagine Windows->Linux would also not work.
– Matt Williamson
Jul 25 '12 at 15:41
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Hash collision in git
... but probability means absolutely nothing here. You can say the same about winning the lotto, but people win lotto here and there on a daily basis. So the lotto company can't really just say: the chance is small so we shouldn't have to worry about actually paying out the jackpot. The OP's question h...
Types in Objective-C on iOS
...ey.org/programming_languages/objective-c/types.html
or run this code:
32 bit process:
NSLog(@"Primitive sizes:");
NSLog(@"The size of a char is: %d.", sizeof(char));
NSLog(@"The size of short is: %d.", sizeof(short));
NSLog(@"The size of int is: %d.", sizeof(int));
NSLog(@"The size of l...
Sleep for milliseconds
...
In Unix you can use usleep.
In Windows there is Sleep.
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How to get memory available or used in C#
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System.Environment has WorkingSet-
a 64-bit signed integer containing the number of bytes of physical memory mapped to the process context.
If you want a lot of details there is System.Diagnostics.PerformanceCounter, but it will be a bit more effort to setup.
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