//Image a = Toolkit.getDefaultToolkit().getImage("123.jpeg");
//本來這樣寫畫不出來
Image a = Toolkit.getDefaultToolkit().getImage(getClass().getResource("123.jpeg"));
g.drawImage(a, 100, 100, 100, 100, this);
- Jul 27 Sat 2013 15:13
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Toolkit.getDefaultToolkit().getImage(應該放什麼?)
- Oct 01 Mon 2012 11:07
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解決VMWARE重新安裝出現時，會出現什麼MSI Failed的問題
節錄http://www.wretch.cc/blog/KENGI/14015056
1. start a DOS box
2. make a temp directory, for example, c:\temp
3. change directory to where you've downloaded WS Tech Preview
4. extract the .msi installer from the .exe by running the following command in DOS
- Aug 16 Thu 2012 13:43
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Windows 修復主控台說明
當您使用「Windows 修復主控台」時，可以在沒有啟動 Windows 圖形介面的情況下，取得 NTFS、FAT 及 FAT32 磁碟區的限制存取。您可以在「Windows 修復主控台」中執行下列操作：
- 使用、複製、重新命名或取代作業系統檔案及資料夾。
- 啟用或停用服務或裝置，以便在您下一次啟動電腦時啟動。
- 修復檔案系統開機磁區或 MBR (主開機記錄)。
- 在磁碟機上建立及格式化磁碟分割。
- Aug 15 Wed 2012 23:11
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Dev C++ 寫win Socket程式設定
需為專案環境
點選 專案選項→參數→連結器
加入 "libws2_32.a"
(通常在 C:\Dev-Cpp\lib\libws2_32.a)
- Aug 15 Wed 2012 22:50
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WS2TCPIP.H
/*
** WS2TCPIP.H - WinSock2 Extension for TCP/IP protocols
**
** This file contains TCP/IP specific information for use
** by WinSock2 compatible applications.
- Aug 13 Mon 2012 23:48
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解決編譯 WinSock 產生的error(編譯器DEV)
在Dev C++ 編譯 WinSock 產生以下的error:
[Linker error] undefined reference to `WSAStartup@8'
[Linker error] undefined reference to `socket@12'
[Linker error] undefined reference to `WSACleanup@0'
[Linker error] undefined reference to `htons@4'
- Aug 08 Wed 2012 00:48
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【EP1】RakNet體驗
- Aug 05 Sun 2012 23:44
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【EP7】LUA Library
The Mathematical Library
The
math library comprises a standard set of mathematical functions, such as trigonometric functions (sin, cos, tan, asin, acos, etc.), exponentiation and logarithms (exp, log, log10), rounding functions (floor, ceil), max, min, plus a variable pi. The mathematical library also defines the operator `
^´ to work as the exponentiation operator.math.randomseed(os.time())
math.random(10000)-----------------------1~10000
- Aug 02 Thu 2012 19:59
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【EP4】Chapter 7. Iterators and the Generic for
7.1 – Iterators and Closures
function list_iter (t)----------------------------------factory(工廠?)
local i = 0
local n = table.getn(t)--------------------------回傳總元素個數
return function ()--------------------------------無名氏函式(Closure)
- Jul 23 Mon 2012 16:19
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【EP3】Chapter 6. More about Functions
筆記模式
================================================
lexical scoping（查翻譯是：詞法作用域）
When a function is written enclosed in another function, it has full access to local variables from the enclosing function.
簡單說就是函數中還有函數。
- Jul 19 Thu 2012 23:39
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數學(catalan數列)ACM_991_Safe Salutations
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