python 3d 統計圖表

https://matplotlib.org/index.html

https://matplotlib.org/mpl_toolkits/mplot3d/tutorial.html

Matplotlib is a Python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms. Matplotlib can be used in Python scripts, the Python and IPython shells, the Jupyter notebook, web application servers, and four graphical user interface toolkits.

python 的 3d 表格工具 函式 庫 提供你快速 產出 3d的 統計圖表 有有許多變的樣式 ，可以 再多種 python script 上 或是主機上

5種 座標系統 平行軸

Delta 水母  Cartesian 龍門 polar coordinate system  極座標系 Scara 平行軸

Delta Cartesian polar Scara cylindrical

Cartesian coordinate system

cylindrical coordinate system Cartesian coordinate system Spherical Coordinates

Meshing Coordinate Global Coordinate Systems

delphi pascal rad ide open source 編輯器

"Dev-Pascal" "WOL Library" "Virtual Pascal" "CodeTyphon"  "Lazarus" "Kylix" "Pascal-P compiler"

"Dev-Pascal" "WOL Library" "Virtual Pascal" "CodeTyphon" "Lazarus" "Kylix" "Pascal-P compiler"

"Virtual Pascal" "CodeTyphon" "Lazarus" "OpenWire"

free pascal ide

http://wiki.freepascal.org/FPMake

List of compilers and interpreters

Best Third party components for Lazarus

Popular Open Source Delphi Projects

delphi pascal rad ide open source 編輯器

跨平台 pascal 免費 編譯 開發 環境 (window Qt X 基礎) codetyphon lazarus delphi similar delphi development environment

 

 

https://sourceforge.net/projects/charm-pacal/ 

https://alternativeto.net/software/turbo-pascal/

https://alternativeto.net/software/codetyphon/

CodeTyphon Alternative pascalxe Lazarus Charm Pascal IDE

捕捉DOS輸出

Thundax Output 


Кодировка из Win в DOS и из DOS в Win в Delphi 2010 
URL
google

function WinToDos(ASource: String): AnsiString;
var
Ch: PAnsiChar;
begin
Ch := AnsiStrAlloc(Length(ASource) + 1);
CharToOem(PChar(ASource), Ch);
Result := StrPas(Ch);
StrDispose(Ch)
end;

procedure WritelnDos(ASource: String);
begin
Writeln(WinToDos(ASource));
end;
function DosToWin(ASource: AnsiString): AnsiString;
var
Ch: PAnsiChar;
begin
Ch := AnsiStrAlloc(Length(ASource) + 1);
OemToAnsi(PAnsiChar(ASource), Ch);
Result := StrPas(Ch);
StrDispose(Ch)
end;

function DosToWin(ASource: AnsiString): String;
var
Ch: PChar;
begin
Ch := StrAlloc(Length(ASource) + 1);
OemToChar(PAnsiChar(ASource), Ch);
Result := StrPas(Ch);
StrDispose(Ch)
end;


function AsciiToAnsi(AsciiStr: string): string;
var AnsiStr: string;
begin
SetLength(AnsiStr, Length(AsciiStr));
if Length(AsciiStr) > 0 then OemToChar(PChar(AsciiStr), PChar(AnsiStr));
AsciiToAnsi:= AnsiStr;
end;

function AnsiToAscii(AnsiStr: string): string;
var AsciiStr: string;
begin
SetLength(AsciiStr, Length(AnsiStr));
if Length(AnsiStr) > 0 then CharToOem(PChar(AnsiStr), PChar(AsciiStr));
AnsiToAscii:= AsciiStr;
end;

取得系統時間 效能量測

http://codingdelphi.blogspot.tw
Win32 Performance Measurement Options


The five Win32 timing functions provided by the base API (as implemented in KERNEL32.dll) are

GetTickCount,
GetSystemTime()
GetSystemTimeAsFileTime()
QueryPerformanceCounter(),
GetThreadTimes()
GetProcessTimes()
timeGetTime()

References
Java 2 Performance and Idiom Guide, Craig Larman & Rhett Guthrie, Prentice-Hall PTR, 2000.
More Effective C++, Scott Meyers, Addison-Wesley, 1996.
More Exceptional C++, Herb Sutter, Addison-Wesley, 2002.

rtc base timeer timegettime setwaitabletimer ... 最後一頁

GetTickCount function
https://msdn.microsoft.com/en-us/library/windows/desktop/ms724408%28v=vs.85%29.aspx


https://msdn.microsoft.com/en-us/library/windows/desktop/ms724411%28v=vs.85%29.aspx
timeGetTime function
https://msdn.microsoft.com/en-us/library/dd757629.aspx
ntquerytimerresolution NtSetTimerResolution
NtQuerySystemInformation function
https://msdn.microsoft.com/zh-tw/library/windows/desktop/ms724509(v=vs.85).aspx
Articles » Languages » C / C++ Language » General Timers Tutorial
https://www.codeproject.com/Articles/1236/WebControls/?fid=2345&df=90&mpp=25&sort=Position&view=Normal&spc=Relaxed&fr=101&prof=True




Acquiring high-resolution time stamps
QueryPerformanceCounter (QPC)
System.Diagnostics.Stopwatch
QueryPerformanceFrequency
Timestamp Cycle Counter (TSC) - Intel® Developer ... 64-bit register present on all x86 processors since the Pentium.

檔案鏈結 鏡像 備份 同步

mklink  Winodws  建立 symbolic link

https://technet.microsoft.com/zh-tw/library/cc753194(v=ws.10).aspx

Mklink Examples.

mklink [[/d] | [/h] | [/j]]  

https://msdn.microsoft.com/en-us/library/windows/desktop/aa364215(v=vs.85).aspx

File and Directory Linking

https://en.wikipedia.org/wiki/Symbolic_link

https://docs.microsoft.com/en-us/sysinternals/downloads/junction

Junction v1.07

https://docs.microsoft.com/zh-tw/sysinternals/

Windows Sysinternals

mklink

https://kb.iu.edu/d/abbe

mklink ln symlink linux mac freebsd

mklink %USERNAME% iTunes batch junction

How to move your iTunes library to a new location.

ln file

mklink 在Winodws 7 建立symbolic link | 瓶水相逢- 艾小克- 點部落 

 Drive Mirroring Instant Backup

file directory share Mirroring Instant Backup

https://ss64.com/nt/syntax-args.html

Command Line arguments (Parameters)

https://technet.microsoft.com/en-us/library/bb490963.aspx

windows System path Directory echo PATH variable

byte 2 bin byte array

var
  a: byte;
  MASK: byte;
  arr : Array[0..7] of byte;
  iindex : byte;
begin
  a:= random($ff);
  MASK := ($80-1);// ($1 shl (sizeof(a)*7) )-1
  //writeln(MASK);
  write('a= ');
  write(a);
  write('= ');
  write(a div 16 );
  write(',');
  write(a mod 16 );
  writeLn('');

//msb 1 byte  to 8byte
  for iindex := 7 downto 0 do
  begin
    if a > MASK then arr[iindex]:=1 else arr[iindex]:=0;
    a:= a shl 1;
    write(arr[iindex]);
  end;
  //writeLn('-----------');