企鹅客栈

Applet GWT Integration

Penguin — Mon, 27 Apr 2009 15:51:57 +0000

After did some researches on internet, i found there is one library called GWTAI. This gwtai contains a number of utilities and helper classes, helps developer easily integrate the Java applet to GET projects. Unfortunately, this gwtai is not working under java 6 due to some reason, therefor i need to look another way for applet gwt integration. At the end I found another way which is using the GWT HTML class to embed the plain HTML tag in the gwt. This can let the browser interpreted the tag and display applet correctly.

年薪10萬的乞丐 Part 2

Penguin — Thu, 23 Apr 2009 15:39:35 +0000

乞丐说 "要用科學的方法來乞討。天天躺在天橋上，怎麼能討到錢？走天橋的都是行色匆匆的路人，誰沒事走天橋玩，爬上爬下的多累。要用知識武裝自己，學習知識可以把一個人變得很聰明，聰明的人不斷學習知識就可以變成人才。21世紀最需要的是什麼？就是人才。"

How Resumable Download Work

Penguin — Mon, 20 Apr 2009 16:20:26 +0000

Some download manager software support a feature which is resume download, user can pause or stop the download and continue after some time. The trick to make a download resumable is the HTTP range request header. We know that download file from internet as stream bytes, so we can specific the range header like this ...

Add Menu to Header of Tab Item in GXT

Penguin — Fri, 17 Apr 2009 13:43:10 +0000

I want to add Context Menu to the Header of the TabItem under Ext-Gwt (GXT). Unfortunately i can't find any proper method for me to do that. The Header Item of Ext-GWT tab item was packaged protected and I couldn't override or extend it. After research for some time, I find out another way to add context menu to header of the tab item. The example below shows the basic step to add the context menu into tabitem header.

Drag N Drop Grid To Tree in Ext-GWT (GXT)

Penguin — Thu, 16 Apr 2009 14:26:23 +0000

Ext-Gwt(GXT) is a Java library for building rich internet applications with GWT. It provides various good features in the library. Developer can easily implements drag n drop features in their web applications with few line of codes. This is one simple example to drag from grid and drop the item into the tree.

年薪10萬的乞丐 Part 1

Penguin — Sun, 12 Apr 2009 08:43:03 +0000

乞丐这么说 "我做過精確的計算。這裡每天人流上萬，窮人多，有錢人更多。理論上講，我若是每天向每人討 1 塊錢，那我每月就能掙 30 萬。但是，並不是每個人都會給，而且每天也討不了這麼多人。所以，我得分析，哪些是目標客戶，哪些是潛在客戶。"他潤潤嗓子繼續說，"在華強北區域，我的目標客戶是總人流量的 3 成，成功機率 70% 。潛在客戶佔 2 成，成功機率 50% ；剩下 5 成，我選擇放棄，因為我沒有足夠的時間在他們身上碰運氣。"

Google Webtool Kit (GWT)

Penguin — Mon, 23 Mar 2009 10:25:06 +0000

Google Webtool Kit (GWT) allowed me to write all the dynamic website user interface in java programming language, and the compiler will help me to compile into optimized java script ! I no need face java script any more !

@Override annotation

Penguin — Wed, 11 Mar 2009 10:06:03 +0000

I thought maybe i used it in the wrong way at the beginning, i tested up with different case, end up i found out @Override annotation seems only applied to methods overridden from a superclass and not from Interfaces, i guess this is because implements interface but not override !

纽西兰的工作与薪酬

Penguin — Fri, 27 Feb 2009 12:09:44 +0000

因此，统计起来，我总共赚了16，400元，缴了3550的税，净赚12，850元。加上我带去的2400元，总共是15，200元。但一路上吃喝玩乐，住宿，极限运动，延签，回程机票等一切费用，却花了我大约11，500元。只剩下少少的3700元，然后在澳洲墨尔本转机逗留一个礼拜时，又花了大约800元。

P1 WIMAX Broadband Experience

Penguin — Fri, 27 Feb 2009 10:22:50 +0000

Some time when connection is up, I still face difficulty to do my work, end up I found I got incredible 1MB downlink but only 30k uplink! But that make no sense to me, I cannot send out anything without uplink, my email cant sent out, unable to do any attachment, even msn also cannot send message...